/* =====================================================================
   App components: accounts, dashboard, practice, coach, simulator, editor.
   Uses the tokens defined in style.css.
   ===================================================================== */

:root {
  --k-note: #ca8a04;
  --ok-soft: color-mix(in srgb, var(--ok) 12%, var(--panel));
  --bad-soft: color-mix(in srgb, var(--bad) 12%, var(--panel));
  --warn-soft: color-mix(in srgb, var(--warn) 14%, var(--panel));
}

.small {
  font-size: 13px;
}
.ok-text {
  color: var(--ok);
}
.bad-text {
  color: var(--bad);
}
.warn-text {
  color: var(--warn);
}
.center {
  justify-content: center;
}
.btn.block {
  width: 100%;
  justify-content: center;
}
.btn.danger {
  background: var(--bad);
  border-color: var(--bad);
  color: #fff;
}
.btn.danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--bad) 85%, #000);
}
.btn.on {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.link-btn {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.link-btn:hover {
  text-decoration: underline;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  background: var(--panel);
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.skip-link:focus {
  left: 8px;
}

/* ------------------------------------------------------------ top bar */
.top-nav {
  display: flex;
  gap: 2px;
  margin-left: 18px;
}
.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.top-nav a:hover {
  color: var(--text);
  background: var(--panel-2);
}
.top-nav a.active {
  color: var(--text);
  background: var(--panel-2);
}
.search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 10px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font: 500 13.5px Inter, sans-serif;
  cursor: pointer;
  min-width: 180px;
}
.search-btn:hover {
  border-color: var(--border-strong);
  color: var(--text);
}
.search-btn kbd {
  margin-left: auto;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--panel-2);
}
.user-slot {
  display: flex;
  gap: 8px;
  align-items: center;
}
.menu-wrap {
  position: relative;
}
.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--accent);
  font: 700 13px Inter, sans-serif;
  cursor: pointer;
}
.menu {
  position: absolute;
  right: 0;
  top: 42px;
  min-width: 230px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 50;
  display: flex;
  flex-direction: column;
}
.menu[hidden] {
  display: none;
}
.menu-head {
  display: flex;
  flex-direction: column;
  padding: 8px 10px 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.menu a,
.menu button {
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font: 500 14px Inter, sans-serif;
  background: none;
  border: 0;
  cursor: pointer;
}
.menu a:hover,
.menu button:hover,
.menu a:focus-visible,
.menu button:focus-visible {
  background: var(--panel-2);
}

/* ------------------------------------------------------------ toast variants */
.toast.ok {
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border));
}
.toast.bad {
  border-color: color-mix(in srgb, var(--bad) 45%, var(--border));
}

/* ------------------------------------------------------------ modal + forms */
body.modal-open {
  overflow: hidden;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(8, 9, 12, 0.55);
  display: grid;
  place-items: start center;
  padding: 10vh 16px 16px;
  overflow-y: auto;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
}
.modal {
  position: relative;
  width: min(440px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 26px;
  animation: popIn 0.18s ease;
}
.modal.wide {
  width: min(720px, 100%);
}
@keyframes popIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}
.modal h2 {
  margin: 0 0 12px;
  font-size: 20px;
}
.modal-x {
  position: absolute;
  right: 12px;
  top: 12px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}
.auth-head {
  text-align: center;
  margin-bottom: 18px;
}
.auth-head .brand-logo {
  font-size: 34px;
}
.auth-logo {
  display: block;
  margin: 0 auto 4px;
  border-radius: 12px;
}
.auth-head h2 {
  margin: 6px 0 4px;
}
.auth-head p {
  margin: 0;
}
.auth-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}
.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field > label,
.field > span {
  font-size: 13.5px;
  font-weight: 600;
}
input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 12px;
  font: 15px/1.5 Inter, system-ui, sans-serif;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea {
  resize: vertical;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus);
}
input:disabled {
  opacity: 0.6;
}
.invalid {
  border-color: var(--bad) !important;
}
.field-error {
  margin: 0;
  color: var(--bad);
  font-size: 13.5px;
}
.pw-wrap {
  position: relative;
}
.pw-wrap input {
  padding-right: 46px;
}
/* Stretched to the field's height (the label centres itself), not moved with
   a transform: the buttons' press effect replaces transforms and would drop it. */
.pw-wrap .pw-toggle {
  position: absolute;
  top: 4px;
  right: 4px;
  bottom: 4px;
  width: 38px;
  height: auto;
  color: var(--muted);
}
.pw-wrap .pw-toggle:hover,
.pw-wrap .pw-toggle[aria-pressed="true"] {
  color: var(--text);
}
.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.danger-zone {
  border-color: color-mix(in srgb, var(--bad) 35%, var(--border));
}

/* ------------------------------------------------------------ pages */
.page.narrow {
  max-width: 760px;
}
.page.wide {
  max-width: 1180px;
}
.page-head {
  margin-bottom: 22px;
}
.page-head h1,
.page h1 {
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.02em;
  margin: 6px 0 8px;
}
.gate {
  text-align: center;
  padding: 40px 28px;
}
.gate-icon {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
}
.gate-points {
  list-style: none;
  padding: 0;
  margin: 0 auto 26px;
  display: inline-grid;
  gap: 8px;
  text-align: left;
}
.gate-points li {
  display: flex;
  align-items: center;
  gap: 9px;
}
.gate-points .ico {
  color: var(--ok);
  flex: none;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}
.tag.accent {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}
.tag.ok {
  color: var(--ok);
  background: var(--ok-soft);
  border-color: transparent;
}
.tag.warn {
  color: var(--warn);
  background: var(--warn-soft);
  border-color: transparent;
}
.tag.bad {
  color: var(--bad);
  background: var(--bad-soft);
  border-color: transparent;
}
.chips,
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font: 500 13.5px Inter, sans-serif;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.chip:hover {
  border-color: var(--border-strong);
  background: var(--panel-2);
}
.chip.small {
  padding: 4px 10px;
  font-size: 12.5px;
}
.chip.ok {
  border-color: color-mix(in srgb, var(--ok) 40%, var(--border));
}
.chip b {
  color: var(--accent);
}
.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  background: var(--panel);
}
.seg button {
  border: 0;
  background: none;
  color: var(--muted);
  padding: 6px 12px;
  font: 600 13px Inter, sans-serif;
  cursor: pointer;
}
.seg button + button {
  border-left: 1px solid var(--border);
}
.seg button.on {
  background: var(--accent-soft);
  color: var(--accent);
}

/* skeletons and empty states */
.skeleton {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 0;
}
.sk-line {
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--panel-2), color-mix(in srgb, var(--text) 6%, var(--panel-2)), var(--panel-2));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}
.sk-line:nth-child(2) {
  width: 80%;
}
.sk-line:nth-child(3) {
  width: 60%;
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}
.empty {
  text-align: center;
  padding: 26px 16px;
}
.empty-icon {
  font-size: 30px;
}
.empty h3 {
  margin: 6px 0 4px;
}
.empty p {
  margin: 0 0 12px;
}

/* score ring */
.ring {
  flex: none;
}
.ring-bg {
  fill: none;
  stroke: var(--panel-2);
}
.ring-fg {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s ease;
}
.ring.ok .ring-fg {
  stroke: var(--ok);
}
.ring.warn .ring-fg {
  stroke: var(--warn);
}
.ring.bad .ring-fg {
  stroke: var(--bad);
}
.ring text {
  fill: var(--text);
  font: 800 15px Inter, sans-serif;
}

/* bars */
.bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 1.2fr) 2fr 42px;
  gap: 10px;
  align-items: center;
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
}
a.bar-row:hover span:first-child {
  color: var(--accent);
}
.bars.mini .bar-row {
  grid-template-columns: 1fr 1fr;
  font-size: 12.5px;
}
.bar-row b {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.bar-track {
  height: 8px;
  border-radius: 99px;
  background: var(--panel-2);
  overflow: hidden;
}
.bar-track span {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--accent);
  transition: width 0.6s ease;
}
.bar-track span.ok {
  background: var(--ok);
}
.bar-track span.warn {
  background: var(--warn);
}
.bar-track span.bad {
  background: var(--bad);
}

/* ------------------------------------------------------------ questions */
.q-meta {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 10px;
}
.q-opt {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.q-box {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
}
[role="group"] .q-box {
  border-radius: 5px;
}
.q-opt.picked {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.q-opt.picked .q-box {
  background: var(--accent);
  border-color: var(--accent);
}
.q-opt.right .q-box {
  background: var(--ok);
  border-color: var(--ok);
}
.q-opt.wrong .q-box {
  background: var(--bad);
  border-color: var(--bad);
}
.q-opt:disabled {
  cursor: default;
  color: var(--text);
}
.q-actions,
.q-next {
  margin-top: 12px;
}
.q-num {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.q-num input {
  max-width: 220px;
}
.fb {
  padding: 8px 12px;
  border-radius: 9px;
  margin: 4px 0 8px;
}
.fb.ok {
  background: var(--ok-soft);
}
.fb.bad {
  background: var(--bad-soft);
}
.fb.warn {
  background: var(--warn-soft);
}
.q-why p {
  margin: 6px 0;
  color: var(--text);
}
.q-extra {
  margin: 6px 0;
  padding-left: 20px;
}
.q-revisit a {
  margin-right: 6px;
}

/* ------------------------------------------------------------ practice */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.mode-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.mode-card:hover {
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--text) 2%, var(--panel));
}
.mode-card.featured {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.mode-icon {
  font-size: 26px;
}
.mode-title {
  font-weight: 700;
  font-size: 16.5px;
}
.mode-card .muted {
  font-size: 14px;
}
.due {
  color: var(--warn);
}
.session-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.session-head .btn {
  align-self: flex-start;
}
.session-head h1 {
  font-size: 24px;
  margin: 0;
}
.seg-progress {
  display: flex;
  gap: 4px;
}
.seg-progress span {
  flex: 1;
  height: 6px;
  border-radius: 99px;
  background: var(--panel-2);
}
.seg-progress span.current {
  background: color-mix(in srgb, var(--accent) 45%, var(--panel-2));
}
.seg-progress span.ok {
  background: var(--ok);
}
.seg-progress span.bad {
  background: var(--bad);
}
.q-card .q {
  border: 0;
  padding: 0;
}
.session-result {
  text-align: center;
}
.session-result .bars,
.session-result .revisit {
  text-align: left;
}
.big-score {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.big-score span {
  font-size: 26px;
  color: var(--muted);
}
.big-score.ok {
  color: var(--ok);
}
.big-score.warn {
  color: var(--warn);
}
.big-score.bad {
  color: var(--bad);
}
.revisit {
  padding-left: 18px;
}
.revisit li {
  margin: 8px 0;
}
.revisit a {
  white-space: nowrap;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th,
.table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.score {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.score.ok {
  color: var(--ok);
}
.score.warn {
  color: var(--warn);
}
.score.bad {
  color: var(--bad);
}
.plain {
  list-style: none;
  padding: 0;
  margin: 0;
}
.plain li {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}

/* ------------------------------------------------------------ section head extras */
.sec-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}
.bm {
  font-size: 17px;
  color: var(--muted);
}
.bm.on {
  color: var(--warn);
}
.toc a.current {
  border-color: var(--accent);
  color: var(--accent);
}
.side-bookmarks summary {
  cursor: pointer;
  list-style: none;
}
.side-item.small {
  font-size: 13px;
  padding: 5px 12px;
}

/* ------------------------------------------------------------ coach */
.coach-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  font: 600 14px Inter, sans-serif;
  cursor: pointer;
}
.coach-fab:hover {
  border-color: var(--border-strong);
}
.coach-fab[hidden],
body.coach-open .coach-fab {
  display: none;
}
.coach {
  position: fixed;
  top: 60px;
  right: 0;
  bottom: 0;
  width: min(400px, 100vw);
  z-index: 45;
  background: var(--panel);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(105%);
  transition: transform 0.22s ease;
}
body.coach-open .coach {
  transform: none;
}
.coach-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.coach-head select {
  width: auto;
  padding: 4px 8px;
  font-size: 13px;
}
.coach-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.msg {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 14.5px;
  line-height: 1.55;
}
.msg p {
  margin: 0 0 6px;
}
.msg p:last-child {
  margin: 0;
}
.msg.user {
  align-self: flex-end;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.msg.assistant {
  align-self: flex-start;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.msg-sources {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 8px;
  font-size: 13px;
}
.msg-tag {
  margin-top: 6px;
}
.typing {
  display: flex;
  gap: 4px;
  padding: 14px;
}
.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  animation: blink 1s infinite;
}
.typing span:nth-child(2) {
  animation-delay: 0.15s;
}
.typing span:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes blink {
  50% {
    opacity: 0.25;
  }
}
.coach-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 14px 8px;
}
.coach-form {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
}
.coach-form textarea,
.coach-form input {
  flex: 1;
  resize: none;
}
.coach-note {
  padding: 0 14px 12px;
  margin: 0;
}

/* ------------------------------------------------------------ dashboard */
.dash-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 18px;
}
.dash-head h1 {
  margin: 0 0 4px;
}
.dash-head p {
  margin: 0;
}
.stat-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.stat {
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 8px;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  min-width: 140px;
}
.stat-icon {
  grid-row: span 2;
  font-size: 20px;
}
.stat b {
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}
.stat > span:not(.stat-icon):not(.mini-track) {
  font-size: 12.5px;
  color: var(--muted);
}
.mini-track {
  grid-column: 1 / -1;
  height: 4px;
  border-radius: 99px;
  background: var(--panel-2);
  margin-top: 6px;
  overflow: hidden;
}
.mini-track span {
  display: block;
  height: 100%;
  background: var(--ok);
}
.dash-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}
.dash-grid > .card {
  margin-bottom: 20px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 19px;
}
.card h3 {
  font-size: 14px;
  margin: 18px 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sec-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.recs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rec {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 2px 8px 2px 2px;
  background: var(--panel);
}
.rec > a:first-child {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
  border-left: 3px solid var(--accent);
}
.rec.review > a:first-child {
  border-left-color: var(--warn);
}
.rec.weak > a:first-child {
  border-left-color: var(--bad);
}
.rec.design > a:first-child {
  border-left-color: var(--ok);
}
.rec > a:first-child:hover b {
  color: var(--accent);
}
.rec .muted {
  font-size: 13.5px;
}
.ready-top {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
}
.progress-line {
  height: 8px;
  border-radius: 99px;
  background: var(--panel-2);
  overflow: hidden;
  margin: 4px 0 12px;
}
.progress-line span {
  display: block;
  height: 100%;
  background: var(--accent);
}
.level-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}
.level-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.legend-help {
  cursor: help;
  text-decoration: underline dotted;
}
.lv {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.lv.l1,
.lv-badge.l1 {
  --lv: #64748b;
}
.lv.l2,
.lv-badge.l2 {
  --lv: var(--accent-2);
}
.lv.l3,
.lv-badge.l3 {
  --lv: var(--accent);
}
.lv.l4,
.lv-badge.l4 {
  --lv: var(--ok);
}
.lv.l1,
.lv.l2,
.lv.l3,
.lv.l4 {
  background: var(--lv);
  border-color: var(--lv);
}
.part-title {
  margin-top: 16px !important;
}
.mastery {
  display: flex;
  flex-direction: column;
}
.m-row {
  display: grid;
  grid-template-columns: 28px minmax(160px, 1fr) 110px 100px 80px 80px;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
}
.m-row:hover {
  background: var(--panel-2);
}
.m-icon {
  font-size: 18px;
}
.m-meta {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.lv-badge {
  justify-self: start;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  color: var(--lv, var(--muted));
  background: color-mix(in srgb, var(--lv, var(--muted)) 14%, transparent);
}
.design-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.design-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
}
.design-list a:hover {
  background: var(--panel-2);
}
.dl-title {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.spark {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 70px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-2);
}
.spark span {
  flex: 1;
  max-width: 22px;
  border-radius: 4px 4px 0 0;
  background: var(--accent);
}
.spark span.ok {
  background: var(--ok);
}
.spark span.warn {
  background: var(--warn);
}
.spark span.bad {
  background: var(--bad);
}
.heat {
  display: grid;
  grid-template-rows: repeat(7, 12px);
  grid-auto-flow: column;
  grid-auto-columns: 12px;
  gap: 3px;
}
.heat span {
  border-radius: 3px;
  background: var(--panel-2);
}
.heat .h1 {
  background: color-mix(in srgb, var(--ok) 35%, var(--panel-2));
}
.heat .h2 {
  background: color-mix(in srgb, var(--ok) 55%, var(--panel-2));
}
.heat .h3 {
  background: color-mix(in srgb, var(--ok) 75%, var(--panel-2));
}
.heat .h4 {
  background: var(--ok);
}
.badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.badge-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  opacity: 0.55;
  font-size: 13.5px;
}
.badge-card.earned {
  opacity: 1;
  border-color: color-mix(in srgb, var(--warn) 45%, var(--border));
  background: color-mix(in srgb, var(--warn) 6%, var(--panel));
}
.badge-card > span:first-child {
  font-size: 20px;
}

/* home */
.hero-note {
  margin-top: 14px;
}
.for-you .fy-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.fy-stats {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--muted);
}
.fy-stats b {
  color: var(--text);
}
.recs.compact .rec > a:first-child {
  padding: 8px 12px;
}
.sim-promo {
  margin-top: 30px;
}
.ch-card.complete {
  border-color: color-mix(in srgb, var(--ok) 35%, var(--border));
}

/* ------------------------------------------------------------ problems */
.mode-explain {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.mode-explain > div {
  flex: 1;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  font-size: 14px;
}
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 18px 0;
}
.filters .search-input {
  max-width: 300px;
}
.filters .sort {
  width: auto;
}
.problem-grid {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.problem-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.problem-card:hover {
  border-color: var(--border-strong);
}
.pc-top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.pc-icon {
  font-size: 30px;
}
.problem-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}
.pc-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.problem-card p {
  margin: 0;
  font-size: 14px;
}
.pc-prereq a {
  color: var(--muted);
}
.pc-prereq a.ok-text {
  color: var(--ok);
}
.pc-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}
.pc-drafts {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.pc-drafts a {
  color: var(--text);
  text-decoration: none;
}
.pc-drafts a:hover {
  color: var(--accent);
}

/* ------------------------------------------------------------ workspace */
body.ws-mode .sidebar {
  display: none;
}
body.ws-mode .layout {
  grid-template-columns: minmax(0, 1fr);
}
body.ws-mode main {
  height: calc(100vh - 60px);
}
.ws {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
  position: relative;
}
.ws-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  min-width: 0;
}
.ws-head .btn {
  gap: 6px;
}
.ws-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.ws-title b {
  font-size: 15.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ws-badge {
  flex: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid var(--border);
}
.save-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.save-state i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
}
.save-state.bad {
  color: var(--bad);
}
.save-state.bad i {
  background: var(--bad);
}
.timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.timer.late {
  color: var(--bad);
  border-color: var(--bad);
}
.ws-body {
  position: relative;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
}
.ws-show-side {
  display: none !important;
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
  box-shadow: var(--shadow-lg);
}
.ws.no-side .ws-show-side {
  display: inline-flex !important;
}
.ws.no-side .ws-body {
  grid-template-columns: minmax(0, 1fr);
}
.ws.no-side .ws-side {
  display: none;
}
.ws-side {
  border-right: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.ws-canvas {
  min-height: 0;
  min-width: 0;
}
/* guided mode: progress bar, the current step, a fixed footer */
.guided {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}
.g-top {
  padding: 12px 16px 12px;
  border-bottom: 1px solid var(--border);
}
.g-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.g-meta .ws-collapse {
  margin-left: auto;
  width: 30px;
  height: 30px;
}
.g-steps {
  display: flex;
  gap: 4px;
  margin-top: 10px;
}
.g-steps button {
  flex: 1;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: var(--border);
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.g-steps button:hover {
  background: var(--border-strong);
  transform: scaleY(1.5);
}
.g-steps button.done {
  background: var(--ok);
}
.g-steps button.on {
  background: var(--accent);
}
.g-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
}
.g-body h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 19px;
}
.g-done-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  padding: 2px 8px;
  border-radius: 99px;
}
.stage-prompt {
  font-size: 14.5px;
  line-height: 1.55;
  color: color-mix(in srgb, var(--text) 80%, var(--muted));
  margin: 0 0 12px;
}
.stage-work textarea {
  width: 100%;
  min-height: 210px;
  font-size: 14px;
  line-height: 1.55;
  resize: vertical;
}
.g-help {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 12px;
  font-size: 13.5px;
}
.g-help .link-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}
.g-help .link-btn:disabled {
  color: var(--muted);
  cursor: default;
  text-decoration: none;
}
.g-help {
  flex-direction: column;
  align-items: flex-start;
}
.g-lessons {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
/* lesson links are chips elsewhere; here a plain list reads better */
.g-lessons a.chip {
  display: block;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 500;
  white-space: normal;
  text-decoration: none;
}
.g-lessons a.chip:hover {
  text-decoration: underline;
}
.hint {
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  margin: 8px 0 0;
}
.g-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.interview-side {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 16px 30px;
}
.interview-side .g-meta {
  margin-bottom: 10px;
}
.qc-title {
  font-size: 15px;
  margin: 18px 0 6px;
}
.qc-issues {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  display: grid;
  gap: 4px;
}
.assume {
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 9px;
  background: var(--panel-2);
  margin-bottom: 10px;
}
.est-grid {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}
.est-input {
  display: flex;
  gap: 8px;
  align-items: center;
}
.est-input input {
  max-width: 170px;
}
.tip {
  margin: 0 0 8px;
}
.small-tabs {
  flex-wrap: wrap;
  margin-top: 0;
}
.small-tabs .tab {
  padding: 6px 10px;
  font-size: 12.5px;
}
.itab {
  padding-top: 12px;
}
.chat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 46vh;
  overflow-y: auto;
  margin-bottom: 10px;
}
.istage h3 {
  margin: 4px 0;
  font-size: 15px;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}
.istage p {
  margin: 0 0 6px;
}
.istage + .istage {
  margin-top: 16px;
}
.ws-report {
  position: absolute;
  inset: 53px 0 0;
  overflow-y: auto;
  background: var(--bg);
  z-index: 5;
  padding: 24px 16px 60px;
}
.ws.reporting .ws-body {
  visibility: hidden;
}

/* report */
.report {
  max-width: 900px;
  margin: 0 auto;
}
.report-top {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
}
.report-top h2 {
  margin: 2px 0;
}
.report-top p {
  margin: 2px 0;
}
.report-sec {
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
}
.report-sec h3 {
  margin: 0 0 10px;
  font-size: 16px;
}
.findings {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.finding {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--panel-2);
}
.finding p {
  margin: 4px 0 0;
  font-size: 14px;
}
.finding details {
  flex: 1;
}
.finding summary {
  cursor: pointer;
}
.evidence {
  color: var(--muted);
}
.sev {
  flex: none;
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  margin-top: 1px;
  min-width: 82px;
  text-align: center;
}
.sev.bad {
  color: var(--bad);
  background: var(--bad-soft);
}
.sev.warn {
  color: var(--warn);
  background: var(--warn-soft);
}
.sev.ok {
  color: var(--ok);
  background: var(--ok-soft);
}
.sev.muted {
  color: var(--muted);
  background: var(--panel);
}
.satisfied {
  padding-left: 0;
  list-style: none;
  font-size: 14px;
}
.satisfied li {
  margin: 6px 0;
}
.fu {
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.fu-q {
  margin: 0 0 8px;
}
.fu-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
  flex-wrap: wrap;
}
.lesson-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.reference summary {
  cursor: pointer;
  font-weight: 700;
}
.uncertainty {
  margin: 20px 4px;
}
.ai-review {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

/* ------------------------------------------------------------ editor */
/* The canvas fills the editor; dock, toolbar, library and properties float over it. */
.ed {
  position: relative;
  height: 100%;
  min-height: 420px;
}
.ed-palette {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 2px 8px 6px;
}
.pal-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 10px 4px 4px;
}
.pal-item {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 6px 8px;
  margin: 2px 0;
  border: 1px solid transparent;
  border-left: 3px solid var(--k, var(--border));
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--text);
  font: 500 12.5px Inter, sans-serif;
  cursor: grab;
  text-align: left;
}
.pal-item:hover {
  border-color: var(--border-strong);
  border-left-color: var(--k);
}
.pal-item span {
  font-size: 15px;
  display: inline-flex;
}
.pal-item .glyph {
  color: var(--k);
  flex: none;
}
.ed-node .node-glyph {
  pointer-events: none;
}
.props-glyph {
  color: var(--k);
  display: inline-flex;
  vertical-align: -3px;
}
.ed-toolbar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
}
.tb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--text);
  font: 600 13px Inter, sans-serif;
  cursor: pointer;
}
.tb:hover:not(:disabled) {
  background: var(--panel-2);
}
.tb:disabled {
  opacity: 0.35;
  cursor: default;
}
.tb.on {
  background: var(--accent-soft);
  color: var(--accent);
}
.ed-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}
.ed-dock {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
}
.dock-item {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--k, var(--text));
  cursor: grab;
}
.dock-item:hover {
  background: color-mix(in srgb, var(--k, var(--text)) 14%, transparent);
}
.dock-item.more {
  cursor: pointer;
  color: var(--text);
  background: var(--panel-2);
}
.dock-item.more[aria-expanded="true"] {
  background: var(--accent-soft);
  color: var(--accent);
}
.dock-sep {
  height: 1px;
  background: var(--border);
  margin: 2px 4px;
}
.ed-library {
  position: absolute;
  left: 66px;
  top: 12px;
  max-height: calc(100% - 24px);
  z-index: 4;
  width: 240px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.lib-head {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 10px 10px 6px;
}
.lib-head input {
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  font-size: 13.5px;
}
.lib-foot {
  margin: 0;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
}
.ed-foot {
  position: absolute;
  left: 66px;
  right: 12px;
  bottom: 10px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  color: var(--muted);
  pointer-events: none;
}
.ed-count {
  white-space: nowrap;
}
.ed-zoom {
  font-size: 12px;
  color: var(--muted);
  width: 42px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.ed-hint.flash {
  color: var(--accent);
}
.ed-canvas {
  position: relative;
  height: 100%;
  min-height: 420px;
  background: var(--bg-2);
}
.ed-svg {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline: none;
  cursor: grab;
}
.ed-svg:active {
  cursor: grabbing;
}
.ed-svg:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent);
}
.ed-dot {
  fill: color-mix(in srgb, var(--muted) 30%, transparent);
}
.ed-node {
  cursor: move;
}
.ed-node text {
  pointer-events: none;
  user-select: none;
}
.ed .kind-note,
.pal-item.kind-note {
  --k: var(--k-note);
}
.ed-node-box {
  fill: color-mix(in srgb, var(--k) 10%, var(--panel));
  stroke: color-mix(in srgb, var(--k) 70%, var(--border));
  stroke-width: 1.5;
}
.ed-node.note .ed-node-box {
  fill: color-mix(in srgb, var(--k-note) 14%, var(--panel));
  stroke-dasharray: 4 3;
}
.ed-node.sel .ed-node-box {
  stroke: var(--accent);
  stroke-width: 2.5;
}
.ed-node.src .ed-node-box {
  stroke: var(--accent);
  stroke-dasharray: 5 3;
  stroke-width: 2.5;
}
.ed-node-icon {
  font-size: 18px;
}
.ed-node-label {
  fill: var(--text);
  font: 600 12.5px Inter, sans-serif;
}
.ed-node-tech {
  fill: var(--muted);
  font: 500 10.5px Inter, sans-serif;
}
.ed-port {
  fill: var(--panel);
  stroke: var(--accent);
  stroke-width: 1.5;
  opacity: 0;
  cursor: crosshair;
  transition: opacity 0.12s;
}
.ed-node:hover .ed-port,
.ed-node.sel .ed-port {
  opacity: 1;
}
.ed-edge-hit {
  stroke: transparent;
  stroke-width: 14;
  cursor: pointer;
}
.ed-edge-line {
  stroke: color-mix(in srgb, var(--muted) 75%, transparent);
  stroke-width: 1.8;
  pointer-events: none;
}
.ed-edge.async .ed-edge-line {
  stroke-dasharray: 6 5;
}
.ed-edge.sel .ed-edge-line {
  stroke: var(--accent);
  stroke-width: 2.4;
}
.ed-arrowhead {
  fill: color-mix(in srgb, var(--muted) 75%, transparent);
}
.ed-arrowhead.sel {
  fill: var(--accent);
}
.ed-edge-label {
  fill: var(--muted);
  font: 500 11px Inter, sans-serif;
  paint-order: stroke;
  stroke: var(--bg-2);
  stroke-width: 4px;
  pointer-events: none;
}
.ed-ghost {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 5 4;
  pointer-events: none;
}
.ed.connecting .ed-node {
  cursor: crosshair;
}
.ed-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 20px 20px 70px;
  pointer-events: none;
}
.ed-empty-card {
  pointer-events: auto;
  max-width: 420px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
}
.ed-empty-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
}
.ed-empty-card ol {
  margin: 0 0 16px;
  padding-left: 20px;
  font-size: 14px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}
.ed-empty-card b {
  color: var(--text);
}
.ed-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ed-empty[hidden] {
  display: none;
}
.ed-props {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 4;
  width: 280px;
  max-height: calc(100% - 24px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
}
.props-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.ed-props h3 {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 15px;
}
.ed-props .field span {
  font-size: 12.5px;
}
.ed-props input,
.ed-props select,
.ed-props textarea {
  font-size: 13.5px;
  padding: 7px 9px;
}
.ed-conns {
  list-style: none;
  padding: 0;
  margin: 0 0 6px;
}
.ed-conns li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.ed-prop-actions {
  display: flex;
  gap: 8px;
}

/* ------------------------------------------------------------ search */
.search-modal {
  width: min(620px, 100%) !important;
  padding: 0 !important;
  overflow: hidden;
}
.search-modal .modal-x {
  display: none;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.search-box input {
  border: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  font-size: 17px !important;
  padding: 6px 0 !important;
}
.search-box kbd {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.search-results {
  list-style: none;
  margin: 0;
  padding: 6px;
  max-height: 55vh;
  overflow-y: auto;
}
.search-results a {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
}
.search-results li.active a,
.search-results a:hover {
  background: var(--panel-2);
}
.sr-icon {
  width: 26px;
  text-align: center;
  font-size: 16px;
}
.search-results a > span:nth-child(2) {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.sr-sub {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sr-empty {
  padding: 18px;
  text-align: center;
}
.search-help {
  margin: 0;
  padding: 8px 16px 12px;
  border-top: 1px solid var(--border);
}

/* ------------------------------------------------------------ responsive */
@media (max-width: 1180px) {
  .top-nav a {
    padding: 6px 9px;
  }
  .search-btn {
    min-width: 0;
  }
  .search-btn .search-label,
  .search-btn kbd {
    display: none;
  }
  .ws-body {
    grid-template-columns: 320px minmax(0, 1fr);
  }
}
@media (max-width: 960px) {
  .top-nav {
    display: none;
  }
  .dash-grid {
    grid-template-columns: 1fr;
  }
  .m-row {
    grid-template-columns: 26px 1fr auto;
  }
  .m-row .m-meta {
    display: none;
  }
  .ws-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(460px, 1fr);
    overflow-y: auto;
  }
  .ws-side {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    max-height: 50vh;
  }
  .ws.no-side .ws-body {
    grid-template-columns: 1fr;
  }
  /* phones and small tablets: the dock runs along the bottom, cards become sheets */
  .ed-dock {
    top: auto;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
  }
  .dock-sep {
    width: 1px;
    height: auto;
    margin: 4px 2px;
  }
  .ed-library,
  .ed-props {
    left: 8px;
    right: 8px;
    top: auto;
    bottom: 8px;
    width: auto;
    max-height: 60%;
  }
  .ed-foot {
    display: none;
  }
  .ed-empty {
    padding: 64px 12px 70px;
  }
  body.ws-mode main,
  .ws {
    height: auto;
    min-height: calc(100vh - 60px);
  }
}
@media (max-width: 600px) {
  .user-slot .btn.ghost {
    display: none;
  }
  .row2 {
    grid-template-columns: 1fr;
  }
  .bar-row {
    grid-template-columns: 1fr 1fr 36px;
  }
  .stat {
    min-width: 0;
    flex: 1 1 40%;
  }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .sec-actions .ask {
    display: none;
  }
  .modal {
    padding: 20px;
  }
  .ws-title .tag {
    display: none;
  }
}
@media (max-width: 600px) {
  .rec {
    flex-wrap: wrap;
    padding-bottom: 8px;
  }
  .rec > a:first-child {
    flex-basis: 100%;
  }
  .rec > .btn {
    margin-left: 14px;
  }
}

/* ------------------------------------------------------------ coach drawer (redesign) */
.coach .coach-head {
  gap: 10px;
  padding: 12px 10px 12px 14px;
}
.coach-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #a855f7));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 30%, transparent);
}
.coach-avatar.lg {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}
.coach-avatar.lg svg {
  width: 24px;
  height: 24px;
}
.coach-title {
  flex: 1;
  min-width: 0;
  line-height: 1.25;
}
.coach-title b {
  font-size: 15px;
}
.coach-ctx {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.coach .coach-head .ui-select {
  border-radius: 99px;
  padding: 5px 10px 5px 12px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--panel-2);
}
.coach-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.coach-icon:hover {
  background: var(--panel-2);
  color: var(--text);
}
.coach-icon[hidden] {
  display: none;
}
.coach .coach-msgs {
  padding: 16px 14px;
  gap: 12px;
}
.coach .msg {
  max-width: 100%;
  padding: 10px 13px;
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.coach .msg.user {
  max-width: 85%;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 16px 16px 4px 16px;
}
.coach .msg.assistant {
  border-radius: 16px 16px 16px 4px;
}
.coach .msg p {
  margin: 0 0 8px;
}
.coach .msg ul,
.coach .msg ol {
  margin: 0 0 8px;
  padding-left: 20px;
}
.coach .msg li {
  margin: 3px 0;
}
.coach .msg li::marker {
  color: var(--muted);
}
.coach .msg > :last-child {
  margin-bottom: 0;
}
.coach .msg code {
  font-size: 12.5px;
  padding: 1px 5px;
  border-radius: 5px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.coach .msg-sources {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.coach .msg-sources a {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--panel);
  text-decoration: none;
}
.coach .msg-sources a:hover {
  border-color: var(--accent);
}
.coach .msg-tag {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}
.coach .msg.typing {
  padding: 13px 14px;
}
.coach-empty {
  margin: auto 0;
  padding: 12px 18px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.coach-empty .coach-avatar {
  margin: 0 auto 12px;
}
.coach-empty p {
  margin: 0 0 4px;
}
.coach-empty .coach-hi {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.coach-bottom {
  padding: 10px 12px 10px;
  border-top: 1px solid var(--border);
}
.coach .coach-quick {
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 0 0 8px;
  scrollbar-width: none;
}
.coach .coach-quick[hidden] {
  display: none;
}
.coach-chip {
  flex: none;
  padding: 5px 11px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: 500 12.5px Inter, system-ui, sans-serif;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.coach-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.coach .coach-form {
  align-items: flex-end;
  gap: 6px;
  padding: 5px 5px 5px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel-2);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.coach .coach-form:focus-within {
  border-color: var(--accent);
  box-shadow: var(--focus);
}
.coach .coach-form textarea {
  min-height: 0;
  height: 34px;
  max-height: 140px;
  padding: 6px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-size: 14px;
  line-height: 22px;
}
.coach-send {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, transform 0.1s;
}
.coach-send:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 85%, #000);
}
.coach-send:active:not(:disabled) {
  transform: scale(0.94);
}
.coach-send:disabled {
  background: var(--border-strong);
  color: var(--panel);
  cursor: default;
}
.coach.busy .coach-send {
  opacity: 0.5;
}
.coach .coach-note {
  margin: 7px 0 0;
  padding: 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
}

/* dashboard: two columns that stack independently, so a short card never
   stretches to match a tall neighbour and end in a block of empty space */
.dash-grid.stack {
  align-items: start;
  margin-bottom: 20px;
}
.dash-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}
.dash-col > .card {
  margin-bottom: 0;
}
.page > :last-child {
  margin-bottom: 0;
}
.bar-row > span:first-child {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.show-more {
  width: 100%;
  margin-top: 6px;
  justify-content: center;
}
.quizzes .bars {
  gap: 6px;
}
.score-chart {
  margin-top: 18px;
}
.sc-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.sc-head h3 {
  margin: 0;
}
.sc-head b {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.sc-plot {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  padding: 18px 10px 0;
  border-bottom: 1px solid var(--border-strong);
}
.sc-target {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc((100% - 18px) * 0.8);
  border-top: 1px dashed var(--border-strong);
  pointer-events: none;
}
.sc-target em {
  position: absolute;
  right: 0;
  top: -16px;
  font: 600 10.5px Inter, sans-serif;
  font-style: normal;
  color: var(--muted);
}
.sc-col {
  position: relative;
  flex: 1;
  max-width: 34px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  outline: none;
}
.sc-col b {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-bottom: 3px;
}
.sc-col i {
  display: block;
  width: 100%;
  border-radius: 4px 4px 0 0;
  background: var(--accent);
  transition: filter 0.15s;
}
.sc-col i.ok {
  background: var(--ok);
}
.sc-col i.warn {
  background: var(--warn);
}
.sc-col i.bad {
  background: var(--bad);
}
.sc-col:hover i,
.sc-col:focus-visible i {
  filter: brightness(1.12);
}
.sc-col:hover b,
.sc-col:focus-visible b {
  color: var(--text);
}
.quizzes .bar-row {
  grid-template-columns: minmax(0, 1.6fr) minmax(60px, 1fr) 40px;
}

/* ------------------------------------------------------------ load lab (stress test) */
.ws-head [data-a="lab"].on {
  background: var(--accent-soft);
  color: var(--accent);
}
.lab {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  width: min(760px, calc(100% - 100px));
  max-height: calc(100% - 96px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}
.lab[hidden] {
  display: none;
}
@media (min-width: 1100px) {
  /* keep clear of the properties card when it's open */
  .ed:has(.ed-props:not([hidden])) .lab {
    left: 66px;
    right: 304px;
    width: auto;
    transform: none;
  }
}
.lab-head {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lab-title {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}
.lab-title b {
  font-size: 14.5px;
}
.lab-traffic {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lab-scen {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 1px;
}
.lab-scen::-webkit-scrollbar {
  display: none;
}
.lab-chip {
  flex: none;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--panel-2);
  color: var(--text);
  font: 600 12.5px Inter, system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.lab-chip:hover {
  border-color: var(--border-strong);
}
.lab-chip[aria-checked="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.lab-chip:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.lab-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lab-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.lab-m {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel-2);
}
.lab-m span {
  font-size: 11.5px;
  color: var(--muted);
}
.lab-m b {
  font-size: 18px;
  line-height: 1.25;
  font-variant-numeric: tabular-nums;
}
.lab-m small {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lab-m.ok b {
  color: var(--ok);
}
.lab-m.warn b {
  color: var(--warn);
}
.lab-m.bad b {
  color: var(--bad);
}
.lab-verdict {
  display: flex;
  gap: 7px;
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.45;
}
.lab-verdict.pass > span {
  color: var(--ok);
}
.lab-verdict.fail > span {
  color: var(--bad);
}
.lab-findings {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.lf {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px 8px 12px;
  border-left: 3px solid var(--border-strong);
  border-radius: 10px;
  background: var(--panel-2);
  font-size: 13px;
  line-height: 1.45;
}
.lf[data-node] {
  cursor: pointer;
}
.lf[data-node]:hover {
  background: color-mix(in srgb, var(--accent) 6%, var(--panel-2));
}
.lf.critical {
  border-left-color: var(--bad);
}
.lf.warn {
  border-left-color: var(--warn);
}
.lf.good {
  border-left-color: var(--ok);
}
.lf > span {
  color: var(--muted);
}
.lf-lesson {
  font-size: 12px;
  font-weight: 600;
}
.lab-chaos {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12.5px;
}
.lab-chaos > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--warn) 15%, var(--panel));
}
.lab-empty {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}
.lab-more {
  align-self: flex-start;
  font-size: 12.5px;
}

/* the diagram under load */
.ed-node.sim .ed-node-box {
  transition: fill 0.3s, stroke 0.3s;
}
.ed-node.sim-busy .ed-node-box {
  stroke: color-mix(in srgb, var(--warn) 55%, var(--border));
}
.ed-node.sim-hot .ed-node-box {
  stroke: var(--warn);
  stroke-width: 2;
  fill: color-mix(in srgb, var(--warn) 10%, var(--panel));
}
.ed-node.sim-over .ed-node-box {
  stroke: var(--bad);
  stroke-width: 2.4;
  fill: color-mix(in srgb, var(--bad) 12%, var(--panel));
  animation: sim-pulse 1.4s ease-in-out infinite;
}
.ed-node.sim-down .ed-node-box {
  stroke: var(--bad);
  stroke-dasharray: 5 4;
  fill: var(--panel-2);
}
.ed-node.sim-down .node-glyph,
.ed-node.sim-down .ed-node-label,
.ed-node.sim-down .ed-node-tech {
  opacity: 0.5;
}
.ed-node.sim-idle {
  opacity: 0.45;
}
.ed-node.sim.sel .ed-node-box {
  stroke: var(--accent);
}
.ed-util-track {
  fill: color-mix(in srgb, var(--muted) 18%, transparent);
}
.ed-util-bar {
  fill: var(--ok);
  transition: width 0.3s;
}
.sim-busy .ed-util-bar {
  fill: color-mix(in srgb, var(--warn) 65%, var(--ok));
}
.sim-hot .ed-util-bar {
  fill: var(--warn);
}
.sim-over .ed-util-bar {
  fill: var(--bad);
}
.ed-util-pct {
  font: 700 10.5px Inter, system-ui, sans-serif;
  fill: var(--muted);
}
.sim-hot .ed-util-pct {
  fill: var(--warn);
}
.sim-over .ed-util-pct,
.sim-down .ed-util-pct {
  fill: var(--bad);
}
@keyframes sim-pulse {
  50% {
    stroke-opacity: 0.35;
  }
}
.ed-edge.flow .ed-edge-line {
  stroke: color-mix(in srgb, var(--accent) 70%, var(--muted));
  stroke-dasharray: 6 8;
  animation: ed-flow var(--dur, 1.2s) linear infinite;
}
.ed-edge.flow.w2 .ed-edge-line {
  stroke-width: 2.4;
}
.ed-edge.flow.w3 .ed-edge-line {
  stroke-width: 3.2;
}
.ed-edge.flow.flow-async .ed-edge-line {
  stroke-dasharray: 1.5 7;
  stroke-linecap: round;
}
.ed-edge.flow-hot .ed-edge-line {
  stroke: var(--warn);
}
.ed-edge.flow-over .ed-edge-line,
.ed-edge.flow-down .ed-edge-line {
  stroke: var(--bad);
}
.ed-edge.no-flow .ed-edge-line {
  opacity: 0.35;
}
.ed-edge.sel .ed-edge-line {
  stroke: var(--accent);
}
.ed-edge-label.rate {
  fill: var(--text);
  font-weight: 600;
}
@keyframes ed-flow {
  to {
    stroke-dashoffset: -14;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ed-edge.flow .ed-edge-line,
  .ed-node.sim-over .ed-node-box {
    animation: none;
  }
}
.ed-count-badge rect {
  fill: var(--panel);
  stroke: color-mix(in srgb, var(--k, var(--muted)) 60%, var(--border));
  stroke-width: 1.2;
}
.ed-count-badge text {
  font: 700 10.5px Inter, system-ui, sans-serif;
  fill: var(--text);
  pointer-events: none;
}

/* instances / shards / replicas in the properties card */
.stepper {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-2);
}
.stepper:focus-within {
  border-color: var(--accent);
  box-shadow: var(--focus);
}
.stepper .step {
  width: 32px;
  height: 32px;
  border: 0;
  background: none;
  color: var(--text);
  font: 600 16px Inter, system-ui, sans-serif;
  cursor: pointer;
}
.stepper .step:hover:not(:disabled) {
  background: var(--panel-2);
}
.stepper .step:disabled {
  opacity: 0.35;
  cursor: default;
}
.ed-props .stepper input {
  width: 64px;
  padding: 6px 2px;
  border: 0;
  border-radius: 0;
  background: none;
  text-align: center;
  font-variant-numeric: tabular-nums;
  -moz-appearance: textfield;
  appearance: textfield;
}
.ed-props .stepper input:focus {
  box-shadow: none;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.cap-fields {
  gap: 6px;
}
.cap-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.ed-props .cap-row .cap-label {
  font-size: 13px;
  font-weight: 500;
}
.field > .field-hint,
.ed-props .field > .field-hint {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--muted);
}
.sim-box {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel-2);
}
.sim-box-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.sim-line {
  margin: 0;
  font-size: 13px;
}
.sim-pct {
  font-size: 15px;
}
.sim-pct.sim-ok {
  color: var(--ok);
}
.sim-pct.sim-busy,
.sim-pct.sim-hot {
  color: var(--warn);
}
.sim-pct.sim-over,
.sim-pct.sim-down {
  color: var(--bad);
}
.sim-meter {
  width: 100%;
  height: 6px;
  overflow: hidden;
  border-radius: 99px;
  background: color-mix(in srgb, var(--muted) 20%, transparent);
}
.sim-meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--ok);
}
.sim-meter.sim-busy i {
  background: color-mix(in srgb, var(--warn) 65%, var(--ok));
}
.sim-meter.sim-hot i {
  background: var(--warn);
}
.sim-meter.sim-over i {
  background: var(--bad);
}

/* report: level check and stress test */
.sec-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}
.sec-row h3 {
  margin: 0;
}
.lc-target {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lc-target .ui-select {
  width: auto;
  padding: 5px 10px;
  font-size: 13px;
}
.lc-ladder {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0 10px;
  padding: 0;
  list-style: none;
}
.lc-ladder li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
}
.lc-ladder li.met {
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border));
  background: color-mix(in srgb, var(--ok) 8%, var(--panel));
}
.lc-ladder li.target {
  box-shadow: inset 0 0 0 2px var(--accent);
}
.lc-ladder small {
  font-size: 11.5px;
  color: var(--muted);
}
.lc-dot {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-bottom: 4px;
  border-radius: 50%;
  background: var(--border);
  color: var(--muted);
  font: 700 11.5px Inter, system-ui, sans-serif;
}
.met .lc-dot {
  background: var(--ok);
  color: #fff;
}
.lc-you {
  position: absolute;
  top: 9px;
  right: 10px;
  font: 700 10px Inter, system-ui, sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.lc-summary {
  margin: 4px 0 8px;
}
.lc-gaps {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}
.lc-gaps li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 10px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--panel-2);
}
.lc-gaps li > .muted {
  flex-basis: 100%;
}
.lc-num {
  font-weight: 700;
  color: var(--warn);
  font-variant-numeric: tabular-nums;
}
.lc-note {
  margin: 0;
}
.stress-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}
.stress-list li {
  display: grid;
  grid-template-columns: 20px 118px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--panel-2);
  font-size: 13.5px;
}
.stress-list li > span:last-child {
  color: var(--muted);
}
.st-icon {
  font-weight: 800;
}
.stress-list .pass .st-icon {
  color: var(--ok);
}
.stress-list .fail .st-icon {
  color: var(--bad);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
@media (max-width: 720px) {
  .lab {
    left: 8px;
    right: 8px;
    bottom: 8px;
    width: auto;
    max-height: 62%;
    transform: none;
    padding: 10px 12px;
  }
  .lab-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lc-ladder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stress-list li {
    grid-template-columns: 20px minmax(0, 1fr);
  }
  .stress-list li > span:last-child {
    grid-column: 2;
  }
}

/* ------------------------------------------------------------ daily design */
.page.daily {
  max-width: 720px;
}
/* bottleneck diagrams need the room */
.page.daily.wide-play {
  max-width: 980px;
}
.daily-head {
  margin-bottom: 18px;
}
.daily-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--muted);
}
.daily-kicker b {
  color: var(--text);
}
.dot-sep {
  opacity: 0.5;
}
.daily-head h1 {
  margin: 8px 0 10px;
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: -0.02em;
}
.daily-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.dtag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--panel-2);
  color: var(--text);
  font: 600 12px Inter, system-ui, sans-serif;
  white-space: nowrap;
}
.dtag.type-estimate {
  --t: var(--accent-2);
}
.dtag.type-order {
  --t: var(--k-lb);
}
.dtag.type-bottleneck {
  --t: var(--warn);
}
.dtag.type-pick {
  --t: var(--accent);
}
.dtag[class*="type-"] {
  border-color: color-mix(in srgb, var(--t) 38%, var(--border));
  background: color-mix(in srgb, var(--t) 13%, var(--panel));
  color: color-mix(in srgb, var(--t) 80%, var(--text));
}
.daily-card,
.daily-done {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.daily-prompt {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
}
.daily-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.daily-facts li {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  font: 600 13.5px Inter, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
}
.daily-how {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}
.daily-play {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.daily-foot {
  margin-top: 18px;
  text-align: center;
}

/* estimate */
.est-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.est-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  font-variant-numeric: tabular-nums;
  animation: dd-pop 0.25s ease-out;
}
.est-row.empty {
  border-style: dashed;
  background: none;
  animation: none;
}
.est-row b {
  font-size: 16px;
}
.est-tile {
  display: grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--border);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.tile-hit .est-tile {
  background: var(--ok);
}
.tile-close .est-tile {
  background: #eab308;
}
.tile-near .est-tile {
  background: #f97316;
}
.tile-far .est-tile {
  background: var(--bad);
}
.est-unit-sm {
  font-size: 13px;
  color: var(--muted);
}
.est-dir {
  font-size: 13.5px;
  font-weight: 700;
}
.est-close {
  min-width: 112px;
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}
.est-form {
  display: flex;
  gap: 8px;
}
.est-field {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  padding-right: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-2);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.est-field:focus-within {
  border-color: var(--accent);
  box-shadow: var(--focus);
}
/* specific enough to beat the general text-box rule (which adds a border) */
.est-form .est-field input,
.est-form .est-field input:focus {
  width: 100%;
  min-width: 0;
  border: 0;
  background: none;
  box-shadow: none;
  font-size: 16px;
}
.est-unit {
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
}
.est-error {
  margin: 0;
  font-size: 13.5px;
  color: var(--bad);
}
.est-hints .hint {
  margin: 0 0 6px;
}

/* order */
.ord-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.ord-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 8px 9px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  transition: border-color 0.15s, background 0.15s;
}
.ord-item[draggable="true"] {
  cursor: grab;
}
.ord-item.dragging {
  opacity: 0.5;
}
.ord-item.over {
  border-color: var(--accent);
}
.ord-item.ok {
  border-color: color-mix(in srgb, var(--ok) 50%, var(--border));
  background: color-mix(in srgb, var(--ok) 9%, var(--panel));
}
.ord-item.bad {
  border-color: color-mix(in srgb, var(--bad) 45%, var(--border));
  background: color-mix(in srgb, var(--bad) 6%, var(--panel));
}
.ord-n {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  font: 700 13px Inter, system-ui, sans-serif;
}
.ord-item.ok .ord-n {
  border-color: var(--ok);
  background: var(--ok);
  color: #fff;
}
.ord-text {
  flex: 1;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.45;
}
.ord-moves {
  display: flex;
  flex: none;
  gap: 2px;
}
.ord-moves .icon-btn {
  width: 34px;
  height: 34px;
  font-size: 16px;
}
.ord-lock {
  display: inline-flex;
  padding: 0 6px;
  color: var(--ok);
}
.ord-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.ord-history {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 18px;
  letter-spacing: 2px;
}

/* pick */
.pick-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pick-opt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  font: 500 14.5px/1.5 Inter, system-ui, sans-serif;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.pick-opt:hover:not(:disabled) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, var(--panel-2));
}
.pick-opt:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.pick-opt:disabled {
  cursor: default;
}
.pick-key {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  font: 700 13px Inter, system-ui, sans-serif;
}
.pick-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pick-why {
  font-size: 13.5px;
  color: var(--muted);
}
.pick-opt.ok {
  border-color: var(--ok);
  background: color-mix(in srgb, var(--ok) 9%, var(--panel));
}
.pick-opt.ok .pick-key {
  border-color: var(--ok);
  background: var(--ok);
  color: #fff;
}
.pick-opt.bad {
  border-color: color-mix(in srgb, var(--bad) 50%, var(--border));
  background: color-mix(in srgb, var(--bad) 6%, var(--panel));
}
.pick-opt.bad .pick-key {
  border-color: var(--bad);
  background: var(--bad);
  color: #fff;
}
.pick-opt.dim {
  opacity: 0.65;
}

/* spot the bottleneck */
.bn-wrap {
  overflow-x: auto;
  padding: 2px 0;
}
.bn-svg {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
  margin: 0 auto;
}
.bn-edge {
  stroke: color-mix(in srgb, var(--muted) 70%, transparent);
  stroke-width: 1.8;
}
.bn-arrowhead {
  fill: color-mix(in srgb, var(--muted) 70%, transparent);
}
.bn-box {
  fill: color-mix(in srgb, var(--k) 10%, var(--panel));
  stroke: color-mix(in srgb, var(--k) 65%, var(--border));
  stroke-width: 1.5;
  transition: stroke 0.15s, fill 0.15s;
}
.bn-label {
  font: 700 12.5px Inter, system-ui, sans-serif;
  fill: var(--text);
}
.bn-cap {
  font: 500 11px Inter, system-ui, sans-serif;
  fill: var(--muted);
}
.bn-node text {
  pointer-events: none;
}
.bn-node.pickable {
  cursor: pointer;
  outline: none;
}
.bn-node.pickable:hover .bn-box,
.bn-node.pickable:focus-visible .bn-box {
  stroke: var(--accent);
  stroke-width: 2.5;
}
.bn-node.wrong .bn-box {
  stroke: var(--bad);
  stroke-dasharray: 5 4;
  fill: color-mix(in srgb, var(--bad) 6%, var(--panel));
}
.bn-node.answer .bn-box {
  stroke: var(--bad);
  stroke-width: 2.6;
  fill: color-mix(in srgb, var(--bad) 12%, var(--panel));
}
.bn-track {
  fill: color-mix(in srgb, var(--muted) 18%, transparent);
}
.bn-bar {
  fill: var(--ok);
}
.bn-bar.hot {
  fill: var(--warn);
}
.bn-bar.over {
  fill: var(--bad);
}
.bn-pct {
  font: 700 10.5px Inter, system-ui, sans-serif;
  fill: var(--muted);
}
.bn-pct.over {
  fill: var(--bad);
}
.bn-mark {
  font: 800 13px Inter, system-ui, sans-serif;
  fill: var(--bad);
}
.bn-note {
  margin: 0;
  font-size: 14px;
}

/* result */
.daily-done {
  margin-top: 18px;
  animation: dd-rise 0.35s ease-out;
}
.daily-done[hidden] {
  display: none;
}
.dd-hero {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  margin: -6px -6px 0;
  border-radius: 14px;
  background: var(--bad-soft);
  border: 1px solid color-mix(in srgb, var(--bad) 22%, transparent);
}
.dd-hero.win {
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 25%, transparent);
}
.dd-badge {
  display: grid;
  place-items: center;
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--bad) 18%, transparent);
  color: var(--bad);
}
.dd-hero.win .dd-badge {
  background: color-mix(in srgb, var(--ok) 20%, transparent);
  color: var(--ok);
}
.dd-text {
  flex: 1;
  min-width: 0;
}
.dd-eyebrow {
  font: 600 12px Inter, system-ui, sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.dd-text h2 {
  margin: 2px 0 0;
  font-size: 21px;
  letter-spacing: -0.01em;
}
.dd-text p {
  margin: 4px 0 0;
  color: var(--muted);
}
.dd-text p b {
  color: var(--text);
}
.dd-tries {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: none;
}
.dd-tries span {
  display: flex;
  gap: 4px;
}
.dd-tries i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--border-strong);
}
.dd-tries .t-hit {
  background: var(--ok);
}
.dd-tries .t-close {
  background: #e5b53b;
}
.dd-tries .t-near {
  background: #e8853b;
}
.dd-tries .t-far {
  background: var(--bad);
}
.dd-label {
  margin: 0 0 8px;
  font: 600 12px Inter, system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.dd-order {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.dd-order li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  font-size: 14.5px;
  line-height: 1.45;
}
.dd-n {
  display: grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  font: 700 12px Inter, system-ui, sans-serif;
}
.dd-order li.ok .dd-n {
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  color: var(--ok);
}
.dd-step {
  flex: 1;
  min-width: 0;
}
.dd-mark {
  flex: none;
  font: 600 12px Inter, system-ui, sans-serif;
  color: var(--bad);
  white-space: nowrap;
}
.dd-mark.ok {
  display: inline-flex;
  color: var(--ok);
}
.dd-explain {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}
.dd-takeaway {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--accent-soft);
}
.dd-takeaway > svg {
  flex: none;
  margin-top: 2px;
  color: var(--accent);
}
.dd-takeaway p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
}
.dd-takeaway b {
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.dd-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.dd-lesson:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-1px);
}
.dd-lesson > svg {
  flex: none;
  color: var(--muted);
}
.dd-lesson-ic {
  display: grid;
  place-items: center;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}
.dd-lesson-text {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.dd-lesson-text small {
  font-size: 12px;
  color: var(--muted);
}
.dd-lesson-text b {
  font-size: 15px;
}
.dd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dd-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.dd-stats div {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 6px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
}
.dd-stats b {
  font-size: 24px;
  font-variant-numeric: tabular-nums;
}
.dd-stats span {
  font-size: 12px;
  color: var(--muted);
}
.dd-bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 6px;
}
.dd-bar {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  font: 600 12.5px Inter, system-ui, sans-serif;
}
.dd-bar i {
  display: flex;
  justify-content: flex-end;
  min-width: 24px;
  padding: 2px 6px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--muted) 30%, transparent);
  font-style: normal;
}
.dd-bar.me i {
  background: var(--ok);
  color: #fff;
}
.dd-bar b {
  font-size: 11.5px;
}
.dd-next {
  display: inline-flex;
  align-items: center;
  align-self: center;
  gap: 6px;
  margin: 0;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--muted);
}
.dd-next b {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.dd-signup {
  margin: 0;
  text-align: center;
}
@keyframes dd-pop {
  from {
    transform: scale(0.97);
    opacity: 0.4;
  }
}
@keyframes dd-rise {
  from {
    transform: translateY(8px);
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .est-row,
  .daily-done {
    animation: none;
  }
}
@media (max-width: 600px) {
  .daily-card,
  .daily-done {
    padding: 16px;
    border-radius: 14px;
  }
  .daily-prompt {
    font-size: 16px;
  }
  .est-row {
    flex-wrap: wrap;
  }
  .est-close {
    min-width: 0;
  }
  .dd-stats b {
    font-size: 20px;
  }
  .dd-hero {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px;
  }
  .dd-tries {
    order: 3;
    flex-basis: 100%;
  }
}

/* prep hub card and sidebar dot */
.daily-mini .dm-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.dm-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.dm-kicker b {
  color: var(--text);
}
.daily-mini h3 {
  margin: 10px 0 6px;
  font-size: 16.5px;
}
.daily-mini p {
  margin: 0 0 12px;
}
.dm-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dm-tiles {
  font-size: 18px;
  letter-spacing: 2px;
}
.nav-dot {
  flex: none;
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
body.side-collapsed .nav-item {
  position: relative;
}
body.side-collapsed .nav-dot {
  position: absolute;
  top: 7px;
  right: 7px;
}
.coach .msg-sources-label {
  flex-basis: 100%;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------------------------------------ pro (plans and checkout) */
.page.pro-page {
  max-width: 980px;
}
.pro-head {
  margin-bottom: 26px;
  text-align: center;
}
.pro-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}
.pro-head h1 {
  margin: 14px auto 10px;
  line-height: 1.15;
  max-width: 640px;
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: -0.02em;
}
.pro-head > p {
  max-width: 620px;
  margin: 0 auto;
}
.pro-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px !important;
  padding: 8px 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--ok) 12%, var(--panel));
  color: var(--text);
}
.pro-status .ico {
  color: var(--ok);
}
.pro-plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}
.pro-plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.pro-plan.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg);
}
.pro-plan h2 {
  margin: 0;
  font-size: 18px;
}
.pro-plan .btn {
  margin-top: auto;
}
.pro-badge {
  position: absolute;
  top: -11px;
  right: 18px;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.pro-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
}
.pro-price b {
  font-size: 40px;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.pro-price span {
  color: var(--muted);
}
.pro-fine {
  max-width: 760px;
  margin: 18px auto 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  text-align: center;
}
.pro-fine b {
  color: var(--text);
}
.pro-fine .ico {
  vertical-align: -2px;
}
.pro-soon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 760px;
  margin: 14px auto 0;
  padding: 10px 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--warn) 12%, var(--panel));
  font-size: 14px;
}
.pro-what,
.pro-history {
  max-width: 760px;
  margin: 34px auto 0;
}
.pro-what h2,
.pro-history h2 {
  font-size: 18px;
  margin: 0 0 12px;
}
.pro-what ul,
.pro-history ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.pro-what li {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}
.pro-what li > .ico {
  flex: none;
  color: var(--ok);
}
.pro-what li > span {
  display: flex;
  flex-direction: column;
}
.pro-history ul {
  grid-template-columns: 1fr;
}
.pro-history li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--panel-2);
}
/* purchase confirmation */
.buy {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.buy-rows {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.buy-rows > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 14px;
}
.buy-rows > div + div {
  border-top: 1px solid var(--border);
}
.buy-rows dt {
  color: var(--muted);
  font-size: 13.5px;
}
.buy-rows dd {
  margin: 0;
  font-size: 14px;
}
.buy-agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--warn) 8%, var(--panel));
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
}
.buy-agree input {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}
.buy-note {
  margin: 0;
  text-align: center;
}
/* sidebar and account */
.nav-item.go-pro {
  color: var(--accent);
  font-weight: 600;
}
.nav-pro-tag {
  margin-left: 8px;
  padding: 1px 7px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--ok) 15%, transparent);
  color: var(--ok);
  font-size: 11px;
  font-weight: 700;
}
.plan-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.plan-card h2 {
  margin: 0 0 4px;
}
.plan-card p {
  margin: 0;
}
@media (max-width: 700px) {
  .pro-plans,
  .pro-what ul {
    grid-template-columns: 1fr;
  }
  .pro-plans {
    gap: 22px;
  }
}

/* ============================================================ growth features */
/* shared helpers */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}
.back-link:hover {
  color: var(--text);
}
.nav-new {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 600 10.5px Inter, system-ui, sans-serif;
  letter-spacing: 0.03em;
}
body.side-collapsed .nav-new {
  display: none;
}

/* sign-up: an invite was applied */
.auth-gift {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--ok-soft);
  border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent);
  font-size: 14px;
}
.auth-gift svg {
  flex: none;
  color: var(--ok);
}

/* settings: invite card and devices */
.invite-card {
  display: flex;
  align-items: center;
  gap: 14px;
}
.invite-card h2 {
  margin: 0 0 2px;
  font-size: 16px;
}
.invite-card p {
  margin: 0;
}
.invite-card > div {
  flex: 1;
  min-width: 0;
}
.invite-ic {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.devices {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.devices li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.dev-ic {
  display: grid;
  place-items: center;
  color: var(--muted);
}
.dev-text {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

/* invite page */
.invite-hero {
  text-align: center;
  margin-bottom: 22px;
}
.invite-hero h1 {
  margin: 12px 0 8px;
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -0.02em;
}
.invite-hero p {
  max-width: 560px;
  margin: 0 auto;
}
.invite-badge,
.rd-badge {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
}
.invite-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}
.invite-link {
  display: flex;
  gap: 8px;
}
.invite-link input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--bg-2);
  color: var(--text);
  font: 500 14px ui-monospace, SFMono-Regular, Menlo, monospace;
}
.invite-share {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.invite-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.invite-stats div {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  text-align: center;
}
.invite-stats b {
  font-size: 26px;
  font-variant-numeric: tabular-nums;
}
.invite-stats span {
  font-size: 12.5px;
  color: var(--muted);
}
.invite-friends {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.invite-friends li {
  display: flex;
  align-items: center;
  gap: 12px;
}
.if-avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  font-weight: 700;
}
.if-text {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.ok-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--ok-soft);
  color: var(--ok);
}
.invite-how {
  margin-top: 18px;
  padding: 0 4px;
}
.invite-how h2 {
  font-size: 17px;
}
.invite-how ol {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 20px;
}

/* readiness check */
.readiness .card {
  padding: 26px;
}
.rd-intro,
.rd-result {
  text-align: center;
}
.rd-intro h1,
.rd-result h1 {
  margin: 12px 0 8px;
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -0.02em;
}
.rd-areas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}
.rd-areas li {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
  font-size: 13px;
}
.rd-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.rd-bar {
  height: 6px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}
.rd-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 0.3s ease;
}
.rd-next {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}
.rd-next[hidden] {
  display: none;
}
.rd-kicker {
  font: 600 12px Inter, system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.rd-score {
  margin: 0 0 6px;
  font-size: 15px;
}
.rd-score b {
  font-size: 22px;
}
.rd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin: 20px 0;
  text-align: left;
}
.rd-area {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  font-size: 14px;
}
.rd-dots {
  display: flex;
  gap: 4px;
}
.rd-dots i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--border-strong);
}
.rd-area.good .rd-dots i.on {
  background: var(--ok);
}
.rd-area.mid .rd-dots i.on {
  background: var(--warn);
}
.rd-start {
  margin: 4px 0 20px;
  text-align: left;
}
.rd-start h2 {
  margin: 0 0 8px;
  font-size: 16px;
}
.rd-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s;
}
.rd-lesson:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}
.rd-lesson > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.rd-lesson > span:first-child {
  color: var(--accent);
}
.rd-honest {
  margin-top: 14px;
}

/* hub cards */
.readiness-mini h3 {
  margin: 10px 0 4px;
}
.readiness-mini p {
  margin: 0 0 12px;
}
.promo-voice {
  margin-top: 8px;
}

/* interview list: the voice banner */
.voice-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 14px;
  background: linear-gradient(120deg, var(--accent-soft), var(--panel) 70%);
  color: var(--text);
  text-decoration: none;
}
.voice-banner > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 2px;
}
.voice-banner:hover {
  border-color: var(--accent);
}
.vb-ic {
  display: grid;
  place-items: center;
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
}
.pt-actions a.btn {
  text-decoration: none;
}

/* voice: home */
.vh-hero {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 26px;
}
.vh-hero h1 {
  margin: 0 0 6px;
}
.vh-hero p {
  margin: 0;
  max-width: 680px;
}
.vh-badge {
  display: grid;
  place-items: center;
  flex: none;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
}
.vh-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}
.vh-steps li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}
.vh-title {
  margin: 22px 0 10px;
  font-size: 17px;
}
.vh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}
.vh-card,
.vh-history a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.vh-card:hover,
.vh-history a:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-1px);
}
.vh-card.locked {
  opacity: 0.75;
}
.vh-text,
.vh-history a > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.vh-text .muted {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.vh-history {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 720px;
}

/* voice: setup */
.vs-card {
  padding: 26px;
}
.vs-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.vs-head h1 {
  margin: 2px 0 0;
  font-size: clamp(22px, 3.5vw, 28px);
}
.vs-prompt {
  margin: 16px 0;
  font-size: 16px;
  line-height: 1.6;
}
.vs-opts {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.vs-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 14px;
}
.vs-tips {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 16px 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

/* voice: the interview room */
.voice-room {
  display: flex;
  flex-direction: column;
  max-width: 880px;
  min-height: calc(100vh - 110px);
  padding-bottom: 6px;
}
.vr-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.vr-title {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.vr-title b {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.vr-timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.vr-timer.late {
  border-color: var(--warn);
  color: var(--warn);
}
.vr-phases {
  display: flex;
  gap: 6px;
  margin: 14px 0 8px;
  padding: 0;
  list-style: none;
  overflow-x: auto;
}
.vr-phases li {
  flex: 1;
  min-width: max-content;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
  border-bottom: 2px solid transparent;
}
.vr-phases li.done {
  color: var(--text);
  border-bottom-color: color-mix(in srgb, var(--ok) 60%, transparent);
}
.vr-phases li.on {
  color: var(--text);
  font-weight: 600;
  border-bottom-color: var(--accent);
}
.vr-log {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  padding: 14px 2px 20px;
}
.vr-msg {
  max-width: 82%;
  scroll-margin-bottom: 170px; /* stay clear of the answer bar */
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.vr-msg p {
  margin: 2px 0 0;
  line-height: 1.6;
}
.vr-msg.candidate {
  align-self: flex-end;
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}
.vr-who {
  font: 600 11.5px Inter, system-ui, sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
/* the answer bar: one frosted, rounded dock that floats at the bottom;
   messages scroll behind it (blurred) instead of under a hard-edged band */
.vr-controls {
  position: sticky;
  bottom: 14px;
  z-index: 5;
  padding-top: 8px;
}
.vr-dock {
  padding: 10px;
  border: 1px solid var(--glass-border-strong, var(--border-strong));
  border-radius: 22px;
  background: var(--glass-strong, var(--panel));
  -webkit-backdrop-filter: var(--glass-blur, none);
  backdrop-filter: var(--glass-blur, none);
  box-shadow: var(--glass-edge, none), 0 18px 44px rgba(0, 0, 0, 0.35);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.vr-dock:focus-within {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: var(--glass-edge, none), 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent), 0 18px 44px rgba(0, 0, 0, 0.35);
}
.vr-live {
  margin: 2px 4px 10px;
  padding: 10px 12px;
  border: 1px dashed color-mix(in srgb, var(--accent) 45%, var(--border-strong));
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  font-style: italic;
  color: var(--text);
}
.vr-live[hidden] {
  display: none;
}
.vr-type {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}
.vr-type textarea {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  max-height: 160px;
  padding: 13px 4px 11px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: 15.5px/1.5 Inter, system-ui, sans-serif;
  resize: none;
  outline: none;
}
/* the dock shows focus for the whole bar; the box itself stays borderless */
.voice-room .vr-type textarea,
.voice-room .vr-type textarea:focus,
.voice-room .vr-type textarea:focus-visible {
  border: 0;
  outline: none;
  box-shadow: none;
  background: transparent;
}
.vr-type textarea::placeholder {
  color: var(--muted);
}
.vr-mic,
.vr-send {
  display: grid;
  place-items: center;
  flex: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: transform 0.15s, filter 0.15s, background 0.15s, box-shadow 0.15s;
}
.vr-mic {
  background: var(--btn-primary, var(--accent));
  color: var(--btn-primary-ink, #fff);
  box-shadow: var(--glow, none);
}
.vr-send {
  background: color-mix(in srgb, var(--text) 10%, transparent);
  color: var(--text);
}
.vr-type:has(textarea:not(:placeholder-shown)) .vr-send {
  background: var(--btn-primary, var(--accent));
  color: var(--btn-primary-ink, #fff);
  box-shadow: var(--glow, none);
}
.vr-mic:hover,
.vr-send:hover {
  transform: scale(1.05);
  filter: brightness(1.08);
}
.vr-mic:disabled,
.vr-send:disabled {
  opacity: 0.5;
  cursor: wait;
  transform: none;
}
.vr-mic.on {
  background: var(--bad);
  animation: vr-pulse 1.4s ease-out infinite;
}
@keyframes vr-pulse {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--bad) 55%, transparent);
  }
  100% {
    box-shadow: 0 0 0 14px transparent;
  }
}
.vr-status {
  min-height: 1.3em;
  margin: 6px 6px 0;
  color: var(--muted);
  font-size: 12.5px;
}
.vr-status:empty {
  display: none;
}

/* voice: report */
.vp-hero {
  display: flex;
  align-items: center;
  gap: 20px;
}
.vp-hero h1 {
  margin: 4px 0;
  font-size: clamp(22px, 3.5vw, 28px);
}
.vp-band {
  margin: 0;
  color: var(--muted);
}
.vp-band b {
  color: var(--text);
}
.vp-dims {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0;
}
.vp-dim {
  display: grid;
  grid-template-columns: 150px auto 1fr;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.vp-pips {
  display: flex;
  gap: 3px;
}
.vp-pips i {
  width: 16px;
  height: 8px;
  border-radius: 3px;
  background: var(--border-strong);
}
.vp-pips i.on {
  background: var(--accent);
}
.vp-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.vp-two h3 {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
}
.vp-two ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
}
.vp-cats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}
.vp-cat {
  display: grid;
  grid-template-columns: minmax(150px, 200px) 1fr 32px;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.vp-cat b {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.vp-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}
.vp-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
}
.vp-bar i.good {
  background: var(--ok);
}
.vp-bar i.mid {
  background: var(--warn);
}
.vp-bar i.low {
  background: var(--bad);
}
.vp-sub {
  margin: 20px 0 8px;
  font-size: 15px;
}
.vp-missed {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.vp-missed li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-left: 3px solid var(--warn);
  border-radius: 0 10px 10px 0;
  background: var(--panel-2);
}
.vp-missed .tag {
  align-self: flex-start;
}
.vp-lesson {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
  font-size: 13px;
}
.vp-covered {
  margin-top: 14px;
}
.vp-covered ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 4px;
  list-style: none;
}
.vp-covered li {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}
.vp-covered svg {
  color: var(--ok);
}
.vp-transcript summary,
.vp-covered summary {
  cursor: pointer;
  font-weight: 600;
}
.vr-line {
  margin: 8px 0;
  line-height: 1.6;
}
.vr-line.interviewer b {
  color: var(--accent);
}

/* shared design */
.shared-tip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--accent-soft);
  font-size: 13.5px;
}
.shared-tip svg {
  flex: none;
  color: var(--accent);
}
/* no guide panel here: the canvas takes the whole width */
.shared-ws .ws-body {
  grid-template-columns: minmax(0, 1fr);
}
.share-dlg {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.share-dlg p {
  margin: 0;
}

/* first-visit tour */
.tour-card {
  position: fixed;
  z-index: 60;
  width: min(320px, calc(100vw - 24px));
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  animation: tour-in 0.2s ease-out;
}
.tour-card.floating {
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  animation: none;
}
.tour-card h3 {
  margin: 4px 0 6px;
  font-size: 16px;
}
.tour-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.tour-top,
.tour-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tour-top {
  justify-content: space-between;
}
.tour-step {
  font: 600 12px Inter, system-ui, sans-serif;
  color: var(--accent);
}
.tour-lit {
  position: relative;
  z-index: 1;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 10px;
}
@keyframes tour-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

@media (max-width: 700px) {
  .invite-card {
    flex-wrap: wrap;
  }
  .invite-stats b {
    font-size: 21px;
  }
  .vh-hero {
    flex-direction: column;
  }
  .vr-msg {
    max-width: 92%;
  }
  .vp-hero {
    flex-direction: column;
    text-align: center;
  }
  .vp-dim {
    grid-template-columns: 1fr auto;
  }
  .vp-dim .muted {
    grid-column: 1 / -1;
  }
  .vp-two {
    grid-template-columns: 1fr;
  }
  .vp-cat {
    grid-template-columns: 100px 1fr 28px;
  }
  .vr-head .lbl {
    display: none;
  }
  .readiness .card {
    padding: 20px 16px;
  }
}

/* ============================================================ interview problems: card grid */
.pc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr));
  gap: 14px;
}
.pc-empty {
  grid-column: 1 / -1;
}
.pc {
  container: pc / inline-size;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--glass-edge, none);
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.pc:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateY(-2px);
  box-shadow: var(--glass-edge, none), 0 14px 34px rgba(0, 0, 0, 0.22);
}
.pc.solved {
  border-color: color-mix(in srgb, var(--ok) 35%, var(--border));
}
.pc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.pc .pt-glyph {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
  color: var(--accent);
}
.pc-badges {
  display: flex;
  align-items: center;
  gap: 6px;
}
.pc-badges .pro-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.pc-title {
  margin: 2px 0 0;
  font-size: 15.5px;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.pc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 0;
}
.pc-tags span {
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--muted);
  font-size: 12px;
}
.pc-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
.pc-meta b {
  color: var(--text);
}
.pc-ok {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 4px;
  color: var(--ok);
  font-weight: 600;
}
.pc-new {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pc-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  white-space: nowrap;
}
.pc-actions {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 6px;
}
.pc-actions .btn {
  justify-content: center;
  text-decoration: none;
}
/* a narrow card: Guided gets its own full-width line, Interview and Voice share the next */
@container pc (max-width: 340px) {
  .pc-actions {
    grid-template-columns: 1fr 1fr;
  }
  .pc-actions .btn.primary {
    grid-column: 1 / -1;
  }
}

/* ============================================================ playground */
/* grade colors: S shimmers, A to F run from green to red (always shown with the letter) */
.g-S {
  --g: #f5b53f;
  --g2: #ff6fb5;
}
.g-A {
  --g: var(--ok);
}
.g-B {
  --g: var(--accent);
}
.g-C {
  --g: var(--warn);
}
.g-D {
  --g: color-mix(in srgb, var(--warn) 40%, var(--bad));
}
.g-F {
  --g: var(--bad);
}
.g-none {
  --g: var(--muted);
}
.pg-grade-chip {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font: 800 15px/1 Inter, system-ui, sans-serif;
  color: var(--g);
  background: color-mix(in srgb, var(--g) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--g) 42%, transparent);
}
.pg-grade-chip.g-S {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--g), var(--g2));
  box-shadow: 0 0 16px color-mix(in srgb, var(--g2) 45%, transparent);
}
.pg-grade-chip.bump {
  animation: pg-bump 0.6s cubic-bezier(0.3, 1.6, 0.5, 1);
}
@keyframes pg-bump {
  40% {
    transform: scale(1.28);
  }
}

/* ------------------------------------------------------------ gallery */
.pg-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 36px;
  align-items: center;
  padding: 6px 0 12px;
}
.pg-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pg-hero h1 {
  margin: 14px 0 12px;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
}
.pg-hero .lead {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}
.pg-hero .hero-cta {
  margin-top: 20px;
}
.pg-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}
.pg-steps li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pg-steps b {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 12px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.pg-steps strong {
  color: var(--text);
  font-weight: 600;
}
.pg-hero-art {
  position: relative;
  padding: 18px 10px 26px;
}
.pg-art-canvas {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--text) 13%, transparent) 1px, transparent 0) 0 0 / 18px 18px, var(--panel);
  box-shadow: var(--glass-edge, none), var(--shadow-lg);
}
.pg-art-canvas .pg-mini {
  display: block;
  width: 100%;
  height: auto;
}
.pg-art-canvas .mm-edges line {
  stroke: color-mix(in srgb, var(--accent) 70%, var(--muted));
  stroke-width: 1.6;
  stroke-dasharray: 5 6;
  animation: ed-flow 1.1s linear infinite;
}
.pg-art-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--glass-border-strong, var(--border-strong));
  border-radius: 14px;
  background: var(--glass-solid, var(--panel));
  box-shadow: var(--glass-edge, none), var(--shadow-lg);
  font-size: 13px;
  animation: pg-float 6s ease-in-out infinite;
}
.pg-art-card span {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.pg-art-card small {
  color: var(--muted);
  font-size: 12px;
}
.pg-art-grade {
  right: -6px;
  bottom: 0;
}
.pg-art-grade .pg-grade-chip {
  width: 36px;
  height: 36px;
  font-size: 19px;
}
.pg-art-spike {
  left: -8px;
  top: 0;
  color: var(--warn);
  animation-delay: -3s;
}
.pg-art-spike span {
  display: block;
  color: var(--text);
}
@keyframes pg-float {
  50% {
    transform: translateY(-6px);
  }
}
.pg-section {
  margin-top: 34px;
}
.pg-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  margin-bottom: 14px;
}
.pg-section-head h2 {
  margin: 0;
  font-size: 19px;
}
.pg-section-head p {
  margin: 0;
  font-size: 13.5px;
}
.pg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 14px;
}
.pg-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--glass-edge, none);
  color: var(--text);
  font: inherit;
  text-align: left;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
button.pg-card {
  cursor: pointer;
}
.pg-card:hover,
.pg-card:focus-within {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateY(-2px);
  box-shadow: var(--glass-edge, none), 0 14px 34px rgba(0, 0, 0, 0.22);
}
.pg-card:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.pg-card.loading {
  opacity: 0.7;
  pointer-events: none;
}
.pg-thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 28 / 15;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--text) 11%, transparent) 1px, transparent 0) 0 0 / 14px 14px, color-mix(in srgb, var(--bg-2) 70%, transparent);
}
.pg-mini {
  width: 100%;
  height: 100%;
}
.mm-edges line {
  stroke: color-mix(in srgb, var(--text) 32%, transparent);
  stroke-width: 1.3;
}
.pg-card:hover .mm-edges line {
  stroke: color-mix(in srgb, var(--accent) 75%, var(--muted));
  stroke-dasharray: 4 5;
  animation: ed-flow 0.9s linear infinite;
}
.mm-nodes rect {
  fill: color-mix(in srgb, var(--k, var(--muted)) 22%, var(--bg-2));
  stroke: var(--k, var(--muted));
  stroke-width: 1.2;
}
.pg-blank {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 55%, transparent);
  color: var(--accent);
  transition: transform 0.2s;
}
.pg-card:hover .pg-blank {
  transform: scale(1.08) rotate(90deg);
}
.pg-card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 12px 14px 14px;
}
.pg-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.pg-card-title b {
  font-size: 14.5px;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pg-card-title a {
  display: flex;
  min-width: 0;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}
.pg-card-title a:hover {
  color: var(--accent);
}
.pg-card-title .pg-grade-chip {
  margin-left: auto;
}
.pg-card-glyph {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.pg-card-text {
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}
.pg-card-meta {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
}
.pg-card-meta .ico {
  vertical-align: -2px;
}
.pg-del {
  position: absolute;
  top: 8px;
  right: 8px;
  opacity: 0;
  background: var(--glass-solid, var(--panel));
  border: 1px solid var(--border);
  transition: opacity 0.15s;
}
.pg-card:hover .pg-del,
.pg-del:focus-visible {
  opacity: 1;
}
.pg-del:hover {
  color: var(--bad);
}
@media (hover: none) {
  .pg-del {
    opacity: 1;
  }
}
.pg-signin {
  align-items: flex-start;
  gap: 6px;
  padding: 18px;
  border-style: dashed;
  font-size: 13.5px;
}
.pg-signin:hover,
.pg-signin:focus-within {
  transform: none;
}
.pg-signin-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 4px;
  border-radius: 12px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.pg-signin .hero-cta {
  margin-top: 6px;
}
.pg-empty {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 16px;
  color: var(--muted);
  font-size: 14px;
}

/* ------------------------------------------------------------ workspace */
.pg-ws .ws-body {
  grid-template-columns: 330px minmax(0, 1fr);
}
.pg-ws.no-side .ws-body {
  grid-template-columns: minmax(0, 1fr);
}
.pg-title {
  flex: 0 1 auto;
}
.pg-ws input.pg-name {
  min-width: 60px;
  width: clamp(130px, 22vw, 300px);
  padding: 4px 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: 650 15.5px Inter, system-ui, sans-serif;
  text-overflow: ellipsis;
}
@supports (field-sizing: content) {
  /* the name field is as wide as the name */
  .pg-ws input.pg-name {
    field-sizing: content;
    width: auto;
    max-width: min(340px, 30vw);
  }
}
.pg-ws input.pg-name:hover {
  border-color: var(--border);
}
.pg-ws input.pg-name:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--panel-2);
  box-shadow: none;
}
.pg-side {
  position: relative;
}
.pg-callout {
  display: flex;
  gap: 8px;
  margin: 12px 12px 0;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  font-size: 13px;
  line-height: 1.45;
}
.pg-callout .ico {
  flex: none;
  margin-top: 2px;
  color: var(--accent);
}
.pg-tabs {
  display: flex;
  gap: 4px;
  margin: 12px 12px 0;
  padding: 4px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
}
.pg-tabs [role="tab"] {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font: 600 13px Inter, system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.pg-tabs [role="tab"]:hover {
  color: var(--text);
}
.pg-tabs [aria-selected="true"] {
  background: var(--glass-solid-2, var(--panel));
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18), var(--glass-edge, none);
}
.pg-tabs [role="tab"]:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.pg-panels {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 16px 8px;
}
.pg-sec {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.pg-sec:last-child {
  border-bottom: 0;
}
.pg-sec h3 {
  margin: 0 0 8px;
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.pg-field {
  margin: 10px 0 12px;
}
.pg-field-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.pg-field-top label {
  font-size: 13.5px;
  font-weight: 500;
}
.pg-val {
  font-size: 13.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.pg-help,
.pg-note {
  margin: 3px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}
.pg-help:empty {
  display: none;
}
.pg-note {
  margin: 0 0 4px;
}
/* range sliders: a filled track and a round thumb */
.pg-side input.pg-range {
  --fill: 0%;
  width: 100%;
  height: 22px;
  margin: 4px 0 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
.pg-range::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 6px;
  background: linear-gradient(to right, var(--accent) var(--fill), color-mix(in srgb, var(--text) 14%, transparent) var(--fill));
}
.pg-range::-moz-range-track {
  height: 6px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--text) 14%, transparent);
}
.pg-range::-moz-range-progress {
  height: 6px;
  border-radius: 6px;
  background: var(--accent);
}
.pg-range::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  -webkit-appearance: none;
  transition: transform 0.12s;
}
.pg-range::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}
.pg-range:active::-webkit-slider-thumb {
  transform: scale(1.15);
}
.pg-side input.pg-range:focus {
  outline: none;
  box-shadow: none;
}
.pg-range:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent);
}
.pg-range:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent);
}
.pg-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pg-chip {
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--panel-2);
  color: var(--text);
  font: 600 12.5px Inter, system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.pg-chip:hover {
  border-color: var(--border-strong);
}
.pg-chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.pg-chip:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.pg-scales {
  margin-bottom: 4px;
}
/* on/off switches */
.pg-switch {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  padding: 8px 0;
  cursor: pointer;
}
.pg-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.pg-switch .sw {
  position: relative;
  width: 34px;
  height: 20px;
  margin-top: 1px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--text) 18%, transparent);
  transition: background 0.18s;
}
.pg-switch .sw::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.18s;
}
.pg-switch input:checked + .sw {
  background: var(--accent);
}
[data-chaos]:checked + .sw {
  background: var(--bad);
}
.pg-switch input:checked + .sw::after {
  transform: translateX(14px);
}
.pg-switch input:focus-visible + .sw {
  box-shadow: var(--focus);
}
.pg-switch > span:last-child {
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}
.pg-switch b {
  font-size: 13.5px;
  font-weight: 600;
}
.pg-switch small {
  font-size: 12px;
  color: var(--muted);
}
.pg-ramp {
  margin-top: 14px;
  gap: 8px;
}
.pg-ws.ramping .pg-ramp,
.pg-ws.ramping .pg-ramp:hover:not(:disabled) {
  background: var(--bad);
  border-color: var(--bad);
  color: #fff;
}
.pg-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pg-results:empty {
  display: none;
}
.pg-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.pg-down-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 4px 0 0;
  font-size: 12.5px;
  color: var(--bad);
}
.pg-down-line .link-btn {
  font-size: 12.5px;
}
/* the live grade, pinned to the bottom of the panel */
.pg-score {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 12px 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.pg-score:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.pg-score:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.pg-score .pg-grade-chip {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 20px;
}
.pg-score-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.35;
}
.pg-score-text b {
  font-size: 14px;
}
.pg-score-text span {
  overflow: hidden;
  font-size: 12px;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pg-score-go {
  margin-left: auto;
  color: var(--muted);
}
/* the status bar over the canvas */
.pg-hud {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100% - 150px);
  padding: 7px 14px 7px 12px;
  overflow: hidden;
  border: 1px solid var(--glass-border-strong, var(--border-strong));
  border-radius: 999px;
  background: var(--glass-solid, var(--panel));
  -webkit-backdrop-filter: var(--glass-blur, none);
  backdrop-filter: var(--glass-blur, none);
  box-shadow: var(--glass-edge, none), var(--shadow-lg);
  color: var(--text);
  font: 500 12.5px Inter, system-ui, sans-serif;
  white-space: nowrap;
  cursor: pointer;
}
.pg-hud:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.hud-dot {
  position: relative;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  color: var(--muted);
  background: currentColor;
}
.pg-hud.ok .hud-dot {
  color: var(--ok);
}
.pg-hud.warn .hud-dot {
  color: var(--warn);
}
.pg-hud.bad .hud-dot {
  color: var(--bad);
}
.pg-hud:not(.idle) .hud-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 2px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  animation: pg-ping 1.8s ease-out infinite;
}
@keyframes pg-ping {
  0% {
    opacity: 0.8;
    transform: scale(0.6);
  }
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}
.pg-hud.bad {
  border-color: color-mix(in srgb, var(--bad) 55%, transparent);
}
.hud-main {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.hud-mult {
  font-size: 15px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.hud-name {
  color: var(--muted);
}
.hud-stats {
  display: flex;
  gap: 12px;
  min-width: 0;
  overflow: hidden;
  padding-left: 12px;
  border-left: 1px solid var(--border);
  color: var(--muted);
  text-overflow: ellipsis;
}
.hud-stats b {
  color: var(--text);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.pg-hud.bad .hud-stats span:first-child b {
  color: var(--bad);
}
/* the big ×N while the traffic ramps up */
.pg-burst {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 34%;
  transform: translate(-50%, -50%);
  font: 800 clamp(44px, 7vw, 76px) / 1 Inter, system-ui, sans-serif;
  letter-spacing: -0.03em;
  color: var(--text);
  text-shadow: 0 0 40px color-mix(in srgb, var(--accent) 60%, transparent);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
}
.pg-burst.bad {
  color: var(--bad);
  text-shadow: 0 0 40px color-mix(in srgb, var(--bad) 55%, transparent);
}
.pg-burst.go {
  animation: pg-burst 0.75s ease-out;
}
.pg-burst.bad.go {
  animation: pg-burst-bad 2.2s ease-out;
}
@keyframes pg-burst {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.7);
  }
  25% {
    opacity: 0.85;
    transform: translate(-50%, -50%) scale(1.04);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.18);
  }
}
@keyframes pg-burst-bad {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.7);
  }
  12%,
  70% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* ------------------------------------------------------------ the rating report */
.pg-rep {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}
.pg-rep-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pg-rep-bar .btn {
  gap: 6px;
}
.pg-rep-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  padding: 26px 28px;
  border: 1px solid color-mix(in srgb, var(--g) 30%, var(--border));
  border-radius: 22px;
  background: radial-gradient(60% 120% at 0% 0%, color-mix(in srgb, var(--g) 16%, transparent), transparent 70%), var(--panel);
  box-shadow: var(--glass-edge, none);
}
.pg-medal {
  position: relative;
  width: 132px;
  height: 132px;
}
.pg-medal svg {
  width: 100%;
  height: 100%;
}
.pg-medal-bg,
.pg-medal-fg {
  fill: none;
  stroke-width: 9;
}
.pg-medal-bg {
  stroke: color-mix(in srgb, var(--text) 10%, transparent);
}
.pg-medal-fg {
  stroke: var(--g);
  stroke-linecap: round;
  stroke-dashoffset: var(--from);
  transition: stroke-dashoffset 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.pg-medal-fg.go {
  stroke-dashoffset: var(--to);
}
.pg-medal b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font: 800 58px/1 Inter, system-ui, sans-serif;
  color: var(--g);
  text-shadow: 0 0 34px color-mix(in srgb, var(--g) 45%, transparent);
  animation: pg-stamp 0.55s 0.25s cubic-bezier(0.3, 1.5, 0.5, 1) both;
}
.g-S .pg-medal b {
  background: linear-gradient(135deg, var(--g), var(--g2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes pg-stamp {
  from {
    opacity: 0;
    transform: scale(1.8);
  }
}
.pg-kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.pg-rep-head h2 {
  margin: 4px 0 6px;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  outline: none;
}
.pg-rep-blurb {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
}
.pg-rep-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin-top: 18px;
}
.pg-rep-stats > div {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.pg-rep-stats span {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.pg-rep-stats b {
  margin-top: 3px;
  font-size: 24px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.pg-rep-stats b small {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}
.pg-rep-stats > div > small {
  font-size: 12px;
  color: var(--muted);
}
.pg-flames {
  display: flex;
  align-items: center;
  gap: 1px;
  height: 29px;
}
.pg-flames svg {
  fill: color-mix(in srgb, var(--text) 14%, transparent);
}
.pg-flames .on svg {
  fill: #ff7a3d;
  filter: drop-shadow(0 0 5px rgba(255, 122, 61, 0.55));
}
.pg-rep-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.pg-rep-card {
  min-width: 0;
  margin: 0;
}
.pg-rep-card h3 {
  margin: 0 0 12px;
  font-size: 15.5px;
}
.pg-cats,
.pg-tests,
.pg-checks,
.pg-spofs,
.pg-fixes {
  margin: 0;
  padding: 0;
  list-style: none;
}
.pg-cat + .pg-cat {
  margin-top: 13px;
}
.pg-cat-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13.5px;
}
.pg-cat-top span {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.pg-meter {
  height: 8px;
  margin: 5px 0 3px;
  overflow: hidden;
  border-radius: 8px;
  background: color-mix(in srgb, var(--text) 9%, transparent);
}
.pg-meter i {
  display: block;
  width: var(--w);
  height: 100%;
  border-radius: 8px;
  animation: pg-grow 0.9s 0.15s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.pg-cat.ok .pg-meter i {
  background: var(--ok);
}
.pg-cat.warn .pg-meter i {
  background: var(--warn);
}
.pg-cat.bad .pg-meter i {
  background: var(--bad);
}
@keyframes pg-grow {
  from {
    width: 0;
  }
}
.pg-cat small {
  font-size: 12px;
  color: var(--muted);
}
.pg-tests {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.pg-test {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: center;
  column-gap: 8px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  animation: pg-in 0.35s calc(var(--i) * 70ms + 0.2s) ease-out both;
}
@keyframes pg-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}
.pg-test-ico {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: var(--muted);
  background: color-mix(in srgb, var(--text) 8%, transparent);
  font-weight: 700;
}
.pg-test.pass .pg-test-ico {
  color: var(--ok);
  background: var(--ok-soft);
}
.pg-test.fail .pg-test-ico {
  color: var(--bad);
  background: var(--bad-soft);
}
.pg-test b {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pg-test small {
  font-size: 12px;
  color: var(--muted);
}
.pg-test.na {
  opacity: 0.65;
}
.pg-rep-card .pg-note {
  margin: 10px 0 0;
}
.pg-curve-head h3 {
  margin-bottom: 4px;
}
.pg-curve-head p {
  margin: 0 0 12px;
  font-size: 13.5px;
}
.pg-charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.pg-chart {
  min-width: 0;
  margin: 0;
}
.pg-chart figcaption {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
  font-size: 13px;
}
.pg-chart figcaption span {
  font-size: 12px;
  color: var(--muted);
}
.pg-chart-box {
  position: relative;
}
.pg-chart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.pg-ch-grid {
  stroke: color-mix(in srgb, var(--text) 8%, transparent);
}
.pg-ch-tick,
.pg-ch-target-label,
.pg-ch-today-label {
  fill: var(--muted);
  font: 11px Inter, system-ui, sans-serif;
}
.pg-ch-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.pg-ch-area {
  fill: color-mix(in srgb, var(--accent) 11%, transparent);
}
.pg-ch-target {
  stroke: color-mix(in srgb, var(--text) 32%, transparent);
  stroke-dasharray: 4 4;
}
.pg-ch-today {
  stroke: color-mix(in srgb, var(--text) 28%, transparent);
  stroke-dasharray: 2 3;
}
.pg-ch-break {
  stroke: var(--bad);
  stroke-width: 1.5;
}
.pg-ch-break-label {
  fill: var(--bad);
  font: 600 11px Inter, system-ui, sans-serif;
}
.pg-ch-broken {
  fill: color-mix(in srgb, var(--bad) 7%, transparent);
}
.pg-ch-cross {
  stroke: color-mix(in srgb, var(--text) 40%, transparent);
}
.pg-ch-dot {
  fill: var(--accent);
  stroke: var(--bg-2);
  stroke-width: 2;
}
.pg-ch-hit {
  fill: transparent;
  cursor: crosshair;
}
.pg-ch-tip {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 8px 10px;
  border: 1px solid var(--glass-border-strong, var(--border-strong));
  border-radius: 10px;
  background: var(--glass-solid, var(--panel));
  box-shadow: var(--shadow-lg);
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
  pointer-events: none;
}
.pg-ch-tip .ok {
  color: var(--ok);
  font-weight: 600;
}
.pg-ch-tip .bad {
  color: var(--bad);
  font-weight: 600;
}
.pg-fixes {
  counter-reset: fix;
}
.pg-fixes li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
  line-height: 1.5;
  counter-increment: fix;
}
.pg-fixes li:first-child {
  padding-top: 0;
  border-top: 0;
}
.pg-fixes li::before {
  content: counter(fix);
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.pg-fix-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 12.5px;
}
.pg-fix-links:empty {
  display: none;
}
.pg-fix-links .link-btn {
  font-size: 12.5px;
  font-weight: 600;
}
.pg-checks li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 6px 0;
  font-size: 13.5px;
  line-height: 1.45;
}
.pg-checks li.miss {
  color: var(--muted);
}
.pg-check-ico {
  flex: none;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border-radius: 50%;
}
.pg-checks .ok .pg-check-ico {
  color: var(--ok);
  background: var(--ok-soft);
}
.pg-checks .miss .pg-check-ico {
  color: var(--bad);
  background: var(--bad-soft);
}
.pg-spofs li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
}
.pg-spofs li:first-child {
  border-top: 0;
}
.pg-spofs span {
  grid-column: 1;
  font-size: 12.5px;
  color: var(--muted);
}
.pg-spofs .link-btn {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-size: 13px;
  font-weight: 600;
}
.pg-perfect {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--ok);
  font-weight: 600;
}
.pg-how {
  margin: 0 0 20px;
  line-height: 1.5;
}

/* Prep Hub: the Playground card */
.pg-promo {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--text);
  text-decoration: none;
  background:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--text) 10%, transparent) 1px, transparent 0) 0 0 / 14px 14px,
    var(--panel);
  transition: border-color 0.18s, transform 0.18s;
}
.pg-promo:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-2px);
}
.pg-promo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pg-promo b {
  font-size: 15px;
  line-height: 1.35;
}
.pg-promo .muted {
  font-size: 13px;
  line-height: 1.5;
}
.pg-promo-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 600;
}

/* ------------------------------------------------------------ playground: smaller screens */
@media (max-width: 1180px) {
  .pg-ws .ws-body {
    grid-template-columns: 310px minmax(0, 1fr);
  }
}
@media (max-width: 960px) {
  .pg-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .pg-hero-art {
    max-width: 520px;
  }
  .pg-ws .ws-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .pg-ws .pg-side {
    max-height: 62vh;
  }
  /* controls hidden: the canvas takes the whole height */
  .pg-ws.no-side .ws-body {
    grid-template-rows: minmax(0, 1fr);
  }
  /* the header's Controls button does this job; here it would sit on the toolbar */
  .ws.pg-ws.no-side .ws-show-side {
    display: none !important;
  }
  .pg-hud {
    top: 62px;
    bottom: auto;
    max-width: calc(100% - 24px);
  }
  .hud-cost {
    display: none;
  }
  .pg-rep-grid,
  .pg-charts {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 640px) {
  .pg-rep-hero {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
    gap: 14px;
    padding: 20px;
  }
  .pg-medal {
    width: 104px;
    height: 104px;
  }
  .pg-medal b {
    font-size: 46px;
  }
  .pg-tests {
    grid-template-columns: minmax(0, 1fr);
  }
  .hud-name {
    display: none;
  }
  .pg-art-spike {
    left: 0;
  }
  .pg-art-grade {
    right: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pg-art-card,
  .pg-art-canvas .mm-edges line,
  .pg-card:hover .mm-edges line,
  .pg-hud .hud-dot::after,
  .pg-medal b,
  .pg-meter i,
  .pg-test {
    animation: none;
  }
  .pg-medal-fg {
    transition: none;
  }
  .pg-burst.go,
  .pg-burst.bad.go {
    animation-duration: 0.01s;
  }
}

/* ============================================================ canvas: "Show me" and the reference build */
.ed-node.lit .ed-node-box {
  stroke: var(--accent);
  stroke-width: 2.5;
}
.ed-lit-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  animation: ed-lit 1.6s ease-out infinite;
  pointer-events: none;
}
@keyframes ed-lit {
  0% {
    opacity: 0.95;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.14);
  }
}
.ed-lit-tag {
  pointer-events: none;
  animation: ed-tag-in 0.35s cubic-bezier(0.3, 1.5, 0.5, 1) both;
}
.ed-lit-tag rect {
  fill: var(--accent);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}
.ed-lit-tag text {
  fill: #fff;
  font: 700 11.5px Inter, system-ui, sans-serif;
}
/* opacity only: a CSS transform would replace the group's translate() */
@keyframes ed-tag-in {
  from {
    opacity: 0;
  }
}
.cap-fields.lit,
.cap-row.lit {
  border-radius: 10px;
  box-shadow: 0 0 0 2px var(--accent), 0 0 18px color-mix(in srgb, var(--accent) 35%, transparent);
  animation: ed-field 1.6s ease-in-out infinite;
}
.cap-fields.lit {
  padding: 8px 10px;
  margin: 0 -4px;
}
.cap-row.lit {
  padding: 4px 6px;
  margin: 0 -6px;
}
@keyframes ed-field {
  50% {
    box-shadow: 0 0 0 2px var(--accent), 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
  }
}
.props-lit {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}
.props-lit::before {
  content: "→";
}
/* components and connections appearing one step at a time */
.ed-node.pop {
  animation: ed-pop 0.55s cubic-bezier(0.3, 1.5, 0.5, 1) both;
}
@keyframes ed-pop {
  from {
    opacity: 0;
  }
}
/* a ring that fades out around a component that just appeared */
.ed-pop-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
  pointer-events: none;
  animation: ed-pop-ring 1.6s ease-out forwards;
}
@keyframes ed-pop-ring {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
.ed-edge.pop .ed-edge-line {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: ed-draw 0.8s 0.25s ease-out forwards;
}
@keyframes ed-draw {
  to {
    stroke-dashoffset: 0;
  }
}

/* the report after "Fix it for me" */
.pg-fixed {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--ok) 45%, var(--border));
  border-radius: 16px;
  background: color-mix(in srgb, var(--ok) 10%, var(--panel));
  outline: none;
  animation: pg-in 0.4s ease-out both;
}
.pg-fixed.down {
  border-color: color-mix(in srgb, var(--warn) 45%, var(--border));
  background: color-mix(in srgb, var(--warn) 10%, var(--panel));
}
.pg-fixed-ico {
  display: grid;
  flex: none;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  background: var(--ok);
}
.pg-fixed.down .pg-fixed-ico {
  background: var(--warn);
}
.pg-fixed-text {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.45;
}
.pg-fixed-text span {
  color: var(--muted);
}
.pg-fixed-text em {
  margin-left: 2px;
  padding: 1px 7px;
  border-radius: 99px;
  background: var(--ok);
  color: #fff;
  font-style: normal;
  font-weight: 700;
}
.pg-fixed.down .pg-fixed-text em {
  background: var(--warn);
}
.pg-fix-links .btn {
  gap: 5px;
  padding: 4px 10px;
  font-size: 12.5px;
}
.pg-fix-links {
  align-items: center;
  margin-top: 6px;
}
.pg-spofs .pg-fix-links {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
}
@media (max-width: 640px) {
  .pg-fixed {
    flex-wrap: wrap;
  }
  .pg-spofs li {
    grid-template-columns: minmax(0, 1fr);
  }
  .pg-spofs .pg-fix-links {
    grid-column: 1;
    grid-row: auto;
    margin-top: 6px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ed-lit-ring,
  .cap-fields.lit,
  .cap-row.lit,
  .ed-node.pop,
  .ed-pop-ring,
  .ed-lit-tag {
    animation: none;
  }
  .ed-edge.pop .ed-edge-line {
    animation: none;
    stroke-dashoffset: 0;
  }
}

/* ============================================================ "Reveal the answer" */
.ws.revealing .ws-body {
  visibility: hidden;
}
.ws-reveal {
  position: absolute;
  inset: 53px 0 0;
  z-index: 6;
  display: flex;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  animation: pg-in 0.3s ease-out both;
}
.rv {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  min-height: 0;
}
.rv-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.rv-badge {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font: 700 12px Inter, system-ui, sans-serif;
}
.rv-head h2 {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-size: 16px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
  outline: none;
}
.rv-head .btn {
  flex: none;
  gap: 6px;
}
.rv-body {
  display: grid;
  flex: 1;
  grid-template-columns: 340px minmax(0, 1fr);
  min-height: 0;
}
.rv-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  padding: 14px 12px;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--panel);
}
.rv-steps {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.rv-steps button {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.rv-steps button:hover {
  background: color-mix(in srgb, var(--text) 5%, transparent);
  color: var(--text);
}
.rv-steps button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.rv-n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1.5px solid var(--border-strong);
  border-radius: 50%;
  color: var(--muted);
  font: 700 12px Inter, system-ui, sans-serif;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.rv-steps .done button {
  color: var(--text);
}
.rv-steps .done .rv-n {
  border-color: var(--ok);
  background: var(--ok);
  color: #fff;
}
.rv-steps .on button {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--text);
}
.rv-steps .on .rv-n {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
.rv-t {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding-top: 3px;
}
.rv-t b {
  font-size: 13.5px;
  font-weight: 650;
  line-height: 1.35;
}
.rv-t span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  animation: pg-in 0.35s ease-out both;
}
.rv-words {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
}
.rv-words summary {
  font-weight: 650;
  cursor: pointer;
}
.rv-words ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}
.rv-words li + li {
  margin-top: 6px;
}
.rv-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.rv-canvas {
  flex: 1;
  min-height: 0;
}
/* a viewer, not an editor: the building tools are hidden */
.rv-canvas .ed-dock,
.rv-canvas .ed-library,
.rv-canvas .ed-empty,
.rv-canvas .ed-toolbar,
.rv-canvas .ed-foot,
.rv-canvas .ed-port,
.rv-canvas .ed-prop-actions,
.rv-canvas [data-a="connect-to"],
.rv-canvas .ed-conns .btn {
  display: none !important;
}
/* its settings card is for reading: notes stay scrollable, nothing else changes */
.rv-canvas .ed-props input,
.rv-canvas .ed-props select,
.rv-canvas .ed-props .step,
.rv-canvas .ed-props .sim-box {
  pointer-events: none;
}
.rv-canvas .ed-props .step {
  visibility: hidden;
}
.rv-canvas .ed-props textarea {
  resize: none;
}
.rv-tip {
  position: absolute;
  top: 12px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 5px 11px;
  border: 1px solid var(--glass-border-strong, var(--border));
  border-radius: 99px;
  background: var(--glass-solid, var(--panel));
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
}
.rv-caption {
  display: none;
}
.rv-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.rv-controls .btn {
  gap: 4px;
}
.rv-play {
  justify-content: center;
  min-width: 96px;
}
.rv-progress {
  flex: 1;
  height: 6px;
  overflow: hidden;
  border-radius: 6px;
  background: color-mix(in srgb, var(--text) 10%, transparent);
}
.rv-progress i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 6px;
  background: var(--accent);
}
@keyframes rv-fill {
  from {
    width: var(--from);
  }
  to {
    width: var(--to);
  }
}
.rv-count {
  color: var(--muted);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ws-reveal.finished [data-a="copy"] {
  animation: rv-glow 1.8s ease-in-out infinite;
}
@keyframes rv-glow {
  50% {
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 25%, transparent), 0 6px 22px color-mix(in srgb, var(--accent) 40%, transparent);
  }
}
.g-reveal {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.rv-used {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 900px;
  margin: 0 auto 14px;
}
.rv-used .ico {
  flex: none;
  margin-top: 2px;
}
@media (max-width: 860px) {
  /* phones: a full-screen viewer, with the page underneath held still */
  .ws-reveal {
    position: fixed;
    inset: 0;
    z-index: 70;
    background: var(--bg);
  }
  body.rv-open {
    overflow: hidden;
  }
  .rv-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .rv-side {
    display: none;
  }
  .rv-caption {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 36vh;
    padding: 12px 16px;
    overflow-y: auto;
    border-top: 1px solid var(--border);
    background: var(--panel);
    font-size: 13.5px;
    line-height: 1.55;
  }
  .rv-caption span {
    color: var(--muted);
  }
  .rv-badge {
    display: none;
  }
  .rv-controls .lbl {
    display: none;
  }
  .rv-tip {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ws-reveal,
  .rv-t span,
  .ws-reveal.finished [data-a="copy"] {
    animation: none;
  }
}

/* ============================================================ stress test panel: compact, so the diagram stays in view */
/* It floats over the canvas; the editor fits the diagram into the space above it. */
.lab {
  bottom: 30px;
  gap: 8px;
  padding: 10px 12px 12px;
}
.lab-head {
  gap: 6px;
}
.lab-title {
  flex-direction: row;
  align-items: baseline;
  gap: 10px;
}
.lab-title b {
  flex: none;
  font-size: 14px;
}
.lab-traffic {
  font-size: 12px;
}
.lab-chip {
  padding: 4px 11px;
  font-size: 12px;
}
.lab-body {
  gap: 8px;
}
.lab-metrics {
  gap: 6px;
}
.lab-m {
  padding: 6px 10px;
  border-radius: 10px;
}
.lab-m span {
  font-size: 11px;
}
.lab-m b {
  font-size: 16px;
  line-height: 1.2;
}
.lab-m small {
  font-size: 10.5px;
}
.lab-verdict {
  font-size: 13px;
}
.lf {
  gap: 1px;
  padding: 6px 10px 6px 11px;
  font-size: 12.5px;
  line-height: 1.4;
}
.lf > span {
  font-size: 12px;
}
.lab-less .ico {
  transition: transform 0.2s;
}
.lab.less .lab-less .ico {
  transform: rotate(180deg);
}
/* "Show less": the scenarios and the verdict only */
.lab.less .lab-metrics,
.lab.less .lab-findings,
.lab.less .lab-more,
.lab.less .lab-chaos,
.lab.less .lab-traffic {
  display: none;
}
/* wide enough: numbers on the left, the verdict and the fix on the right */
.lab {
  bottom: 12px;
  width: min(880px, calc(100% - 100px));
  container: lab / inline-size;
}
.ed:has(.lab:not([hidden])) .ed-foot {
  display: none;
}
@container lab (min-width: 620px) {
  .lab-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 8px 12px;
  }
  .lab-body > * {
    grid-column: 2;
  }
  .lab-body > .lab-chaos {
    grid-column: 1 / -1;
  }
  .lab-body > .lab-metrics {
    grid-column: 1;
    grid-row: span 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lab-body > .lab-empty,
  .lab.less .lab-body > .lab-verdict {
    grid-column: 1 / -1;
  }
}
@media (max-width: 720px) {
  .lab {
    bottom: 8px;
    max-height: 55%;
  }
  .lab-title {
    flex-direction: column;
    gap: 0;
  }
}

/* Reveal: "What to say out loud" */
.rv-say {
  margin: 6px 4px 4px 48px;
  font-size: 13px;
  line-height: 1.5;
  animation: pg-in 0.35s ease-out both;
}
.rv-say > p {
  margin: 0 0 10px;
  color: var(--muted);
}
.rv-say h4 {
  margin: 14px 0 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.rv-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.rv-points li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}
.rv-nums li {
  border-left-color: var(--ok);
  background: color-mix(in srgb, var(--ok) 7%, transparent);
}
.rv-points b {
  font-size: 13px;
  font-weight: 650;
}
.rv-points span {
  color: var(--muted);
  font-size: 12.5px;
}
.rv-caption .rv-say {
  margin: 4px 0 0;
}
.rv-points small {
  margin-top: 2px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

/* ------------------------------------------------------------ outlined fields (sign in / sign up) */
/* The label sits inside the box and floats into a gap in the border when the
   field is focused or filled. The border is a fieldset whose legend makes a
   real gap, so it looks right on any background (the frosted dialog too). */
.ofield {
  position: relative;
}
.ofield input.of-in {
  height: 52px;
  padding: 0 14px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
  font-size: 15px;
}
.ofield.pw-wrap input.of-in {
  padding-right: 48px;
}
.ofield input.of-in:focus {
  box-shadow: none;
}
.ofield input.of-in::placeholder {
  color: transparent;
}
.ofield fieldset {
  position: absolute;
  inset: -6px 0 0;
  min-width: 0;
  margin: 0;
  padding: 0 9px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  text-align: left;
  pointer-events: none;
  transition: border-color 0.15s;
}
.ofield legend {
  float: unset;
  width: auto;
  max-width: 0.01px;
  height: 12px;
  padding: 0;
  overflow: hidden;
  visibility: hidden;
  font-size: 12px;
  white-space: nowrap;
  transition: max-width 0.05s;
}
.ofield legend span {
  display: inline-block;
  padding: 0 5px;
}
.ofield > label {
  position: absolute;
  top: 26px;
  left: 14px;
  max-width: calc(100% - 28px);
  overflow: hidden;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  text-overflow: ellipsis;
  pointer-events: none;
  transform: translateY(-50%);
  transform-origin: left center;
  transition: top 0.15s, font-size 0.15s, color 0.15s;
}
.ofield:hover fieldset {
  border-color: color-mix(in srgb, var(--text) 45%, transparent);
}
/* focused or filled: the label moves up into the gap */
.ofield input.of-in:focus ~ label,
.ofield input.of-in:not(:placeholder-shown) ~ label {
  top: 0;
  font-size: 12px;
}
.ofield input.of-in:focus ~ fieldset legend,
.ofield input.of-in:not(:placeholder-shown) ~ fieldset legend {
  max-width: 100%;
  transition: max-width 0.1s 0.05s;
}
/* a thicker real border (not a shadow, which would ignore the label's gap);
   1px less padding keeps the gap lined up with the label */
.ofield input.of-in:focus ~ fieldset,
.ofield input.of-in.invalid ~ fieldset {
  padding: 0 8px;
  border-width: 2px;
  border-color: var(--accent);
}
.ofield input.of-in:focus ~ label {
  color: var(--accent);
}
.ofield input.of-in.invalid ~ fieldset {
  border-color: var(--bad);
}
.ofield input.of-in.invalid ~ label {
  color: var(--bad);
}
/* browser autofill keeps the theme's colours */
.ofield input.of-in:-webkit-autofill {
  -webkit-text-fill-color: var(--text);
  box-shadow: 0 0 0 40px var(--panel) inset;
  transition: background-color 9999s;
}
.of-hint {
  margin: 6px 2px 0 14px;
  color: var(--muted);
  font-size: 12.5px;
}

/* errors under an outlined field line up with its text, like the hint */
.field:has(.ofield) .field-error {
  margin: 6px 2px 0 14px;
}