/*
 * Two skies, one concept.
 *   Daylight atlas (light): a printed star chart — parchment, navy ink, gold-leaf stars.
 *   Night sky (dark): deep indigo, starlight, gold.
 * The theme follows the system unless the learner picks one (data-theme on <html>).
 */

:root {
  color-scheme: light;
  --bg: #f4eee2;
  --surface: #fbf8f1;
  --surface-2: #efe7d7;
  --raised: #fffdf8;
  --ink: #1c2240;
  --ink-2: #474c66;
  --ink-3: #75778a;
  --line: rgba(28, 34, 64, 0.12);
  --line-2: rgba(28, 34, 64, 0.22);
  --accent: #a66c0e;
  --accent-fill: #ddb05a;
  --on-accent: #1f1504;
  --accent-soft: rgba(196, 138, 31, 0.13);
  --star-lit: #c4861a;
  --star-glow: #e3a83a;
  --star-unlit: #8f8d99;
  --sky: #2d5c9c;
  --sky-soft: rgba(45, 92, 156, 0.1);
  --good: #2a7650;
  --good-soft: rgba(42, 118, 80, 0.11);
  --off: #b0473a;
  --off-soft: rgba(176, 71, 58, 0.1);
  --hue-azure: #2f63b5;
  --hue-coral: #bf5038;
  --hue-jade: #1e7757;
  --hue-violet: #6a4fb3;
  --hue-teal: #1c7a82;
  --hue-rose: #b13f78;
  --hue-amber: #93630a;
  --hue-slate: #4d5b70;
  --map-bg: #f7f1e5;
  --map-grid: rgba(28, 34, 64, 0.06);
  --dust: rgba(28, 34, 64, 0.16);
  --bar: rgba(244, 238, 226, 0.88);
  --backdrop: rgba(28, 34, 64, 0.35);
  --shadow: 0 10px 28px rgba(28, 34, 64, 0.12);
  --glow-a: rgba(196, 138, 31, 0.1);
  --glow-b: rgba(45, 92, 156, 0.07);
  --starfield: 0;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 14px;
  --topbar: 56px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --bg: #0b1022;
    --surface: #121935;
    --surface-2: #19214a;
    --raised: #161e3f;
    --ink: #ece7dc;
    --ink-2: #b8b8c6;
    --ink-3: #8589a2;
    --line: rgba(205, 212, 255, 0.11);
    --line-2: rgba(205, 212, 255, 0.2);
    --accent: #f1c56c;
    --accent-fill: #f1c56c;
    --on-accent: #1d1503;
    --accent-soft: rgba(241, 197, 108, 0.13);
    --star-lit: #fff3d4;
    --star-glow: #f6d68f;
    --star-unlit: #7c83a3;
    --sky: #8dbcf3;
    --sky-soft: rgba(141, 188, 243, 0.12);
    --good: #8fd6aa;
    --good-soft: rgba(143, 214, 170, 0.12);
    --off: #f2a08f;
    --off-soft: rgba(242, 160, 143, 0.12);
    --hue-azure: #7fb3ff;
    --hue-coral: #ff9f87;
    --hue-jade: #6fd4aa;
    --hue-violet: #b9a4ff;
    --hue-teal: #62d0d6;
    --hue-rose: #f39ac2;
    --hue-amber: #f2c25c;
    --hue-slate: #a6b5cc;
    --map-bg: #090e1e;
    --map-grid: rgba(205, 212, 255, 0.045);
    --dust: rgba(255, 255, 255, 0.5);
    --bar: rgba(11, 16, 34, 0.86);
    --backdrop: rgba(3, 5, 12, 0.7);
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
    --glow-a: rgba(80, 100, 190, 0.22);
    --glow-b: rgba(150, 90, 170, 0.12);
    --starfield: 0.55;
  }
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0b1022;
  --surface: #121935;
  --surface-2: #19214a;
  --raised: #161e3f;
  --ink: #ece7dc;
  --ink-2: #b8b8c6;
  --ink-3: #8589a2;
  --line: rgba(205, 212, 255, 0.11);
  --line-2: rgba(205, 212, 255, 0.2);
  --accent: #f1c56c;
  --accent-fill: #f1c56c;
  --on-accent: #1d1503;
  --accent-soft: rgba(241, 197, 108, 0.13);
  --star-lit: #fff3d4;
  --star-glow: #f6d68f;
  --star-unlit: #7c83a3;
  --sky: #8dbcf3;
  --sky-soft: rgba(141, 188, 243, 0.12);
  --good: #8fd6aa;
  --good-soft: rgba(143, 214, 170, 0.12);
  --off: #f2a08f;
  --off-soft: rgba(242, 160, 143, 0.12);
  --hue-azure: #7fb3ff;
  --hue-coral: #ff9f87;
  --hue-jade: #6fd4aa;
  --hue-violet: #b9a4ff;
  --hue-amber: #f2c25c;
  --hue-slate: #a6b5cc;
  --hue-teal: #62d0d6;
  --hue-rose: #f39ac2;
  --map-bg: #090e1e;
  --map-grid: rgba(205, 212, 255, 0.045);
  --dust: rgba(255, 255, 255, 0.5);
  --bar: rgba(11, 16, 34, 0.86);
  --backdrop: rgba(3, 5, 12, 0.7);
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
  --glow-a: rgba(80, 100, 190, 0.22);
  --glow-b: rgba(150, 90, 170, 0.12);
  --starfield: 0.55;
}

/* ── Base ── */

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, var(--glow-a), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 110%, var(--glow-b), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: var(--starfield);
  background-image:
    radial-gradient(1px 1px at 23px 41px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 137px 89px, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1.4px 1.4px at 201px 171px, rgba(255, 240, 210, 0.55), transparent),
    radial-gradient(1px 1px at 71px 203px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 251px 23px, rgba(255, 255, 255, 0.4), transparent);
  background-size: 280px 260px;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: default;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow {
  display: block;
  font: 600 11px/1.4 var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}

.dot {
  flex: none;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c, var(--accent));
  box-shadow: 0 0 8px var(--c, var(--accent));
}

.is-off {
  color: var(--off);
}

/* ── Top bar, navigation, dock ── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
  background: var(--bar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 21px/1 var(--serif);
  text-decoration: none;
}

.brand-star {
  color: var(--accent);
  font-size: 18px;
}

.topnav {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  background: var(--surface-2);
}

.topnav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink-2);
  font-size: 14.5px;
}

.topnav a.is-active {
  color: var(--ink);
  background: var(--raised);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.nav-count {
  min-width: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.topright {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.topic-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: none;
  color: var(--accent);
  font-size: 14px;
  white-space: nowrap;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: none;
  color: var(--ink-2);
  font-size: 15px;
}

.plan-link {
  background: none;
  border: 0;
  color: var(--ink-2);
  font-size: 14px;
  padding: 6px 8px;
  white-space: nowrap;
}

.dock {
  display: none;
}

.main {
  padding: 28px 20px 40px;
}

.learn {
  max-width: 700px;
  margin: 0 auto;
}

.paths {
  max-width: 1080px;
  margin: 0 auto;
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}

.btn:not(:disabled):hover {
  border-color: var(--ink-3);
}

.btn-primary {
  background: var(--accent-fill);
  border-color: var(--accent-fill);
  color: var(--on-accent);
}

.btn-primary:not(:disabled):hover {
  filter: brightness(1.06);
  border-color: var(--accent-fill);
}

.btn:disabled {
  opacity: 0.4;
}

.btn-small {
  min-height: 36px;
  padding: 6px 14px;
  font-size: 14px;
}

.link-quiet {
  background: none;
  border: 0;
  padding: 6px 0;
  color: var(--ink-3);
  font-size: 14px;
  text-decoration: none;
}

.link-quiet:hover {
  color: var(--ink);
}

/* ── Welcome ── */

.welcome {
  max-width: 760px;
  margin: 4vh auto 0;
}

.hero h1 {
  font-size: clamp(36px, 6.5vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.hero-sub {
  margin: 18px 0 0;
  font: 400 clamp(17px, 2.4vw, 20px) / 1.6 var(--serif);
  color: var(--ink-2);
  max-width: 640px;
}

.welcome-actions {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-note {
  margin: 12px 0 0;
  color: var(--ink-3);
  font-size: 13.5px;
}

.how {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.how li {
  display: grid;
  gap: 4px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}

.how strong {
  font: 500 18px/1.3 var(--serif);
}

.how li > span:last-child {
  color: var(--ink-2);
  font-size: 14px;
}

.how-n {
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.welcome-h2 {
  margin: 44px 0 12px;
  font-size: clamp(22px, 3.6vw, 28px);
}

.welcome-p {
  margin: 0;
  color: var(--ink-2);
  font: 400 17px/1.6 var(--serif);
}

.helps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
}

.help-card {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-align: left;
  color: var(--ink);
}

.help-card:hover {
  border-color: var(--accent);
}

.help-card .eyebrow {
  margin: 0;
  color: var(--accent);
}

.help-title {
  font: 500 17px/1.3 var(--serif);
}

.help-card.is-question {
  border-top: 2px solid var(--accent);
}

.welcome-price {
  margin: 40px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--ink-2);
  font-size: 15px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 56px 0 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13px;
}

.site-footer a {
  color: var(--ink-3);
}

/* ── View bar: focus, skip, path ── */

.view-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.focus-menu {
  position: relative;
}

.focus-menu summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  cursor: pointer;
  font-size: 14px;
  max-width: 76vw;
}

.focus-menu summary::-webkit-details-marker {
  display: none;
}

.focus-menu summary::after {
  content: '▾';
  color: var(--ink-3);
}

.focus-label {
  color: var(--ink-3);
}

.focus-value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.focus-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 15;
  min-width: 260px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: var(--raised);
  box-shadow: var(--shadow);
}

.focus-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14.5px;
}

.focus-option:hover {
  background: var(--surface-2);
}

.focus-option input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.focus-panel .link-quiet {
  margin: 4px 6px 0;
}

.skip-btn {
  margin-left: auto;
}

.path-bar {
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c);
  background: var(--surface);
}

.path-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  min-width: 0;
}

.path-pips {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.pip {
  width: 12px;
  height: 12px;
  padding: 0;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  background: none;
}

.pip.is-lit {
  background: var(--star-lit);
  border-color: var(--star-lit);
  box-shadow: 0 0 6px var(--star-glow);
}

.pip.is-here {
  box-shadow: 0 0 0 3px var(--accent-soft);
  border-color: var(--accent);
}

/* ── Star ── */

.star-cons {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink-3);
}

.lit-badge {
  color: var(--accent);
  font-size: 12.5px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.star-title {
  margin-top: 10px;
  font-size: clamp(30px, 5vw, 40px);
  line-height: 1.12;
}

.star-context {
  margin: 8px 0 0;
  color: var(--ink-3);
  font-size: 15px;
}

.star-level {
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
}

.star-bounds {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
  margin: 6px 0 0;
  color: var(--ink-3);
  font-size: 13.5px;
}

.star-bounds .eyebrow {
  margin: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 24px 0 28px;
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0 0;
  background: none;
  border: 0;
  border-top: 2px solid var(--line);
  color: var(--ink-3);
  font-size: 13px;
  text-align: left;
}

.step:disabled {
  opacity: 0.5;
}

.step.is-done {
  border-top-color: color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--ink-2);
}

.step.is-active {
  border-top-color: var(--accent);
  color: var(--ink);
}

.step-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid currentColor;
  font-size: 11px;
}

.step.is-active .step-num {
  background: var(--accent-fill);
  border-color: var(--accent-fill);
  color: var(--on-accent);
}

.step-bar {
  position: sticky;
  bottom: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 8px 8px 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--bar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.step-back {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: none;
  font-size: 22px;
  line-height: 1;
  color: var(--ink-2);
}

.step-back.is-empty {
  border-color: transparent;
}

.step-where {
  flex: 1;
  min-width: 0;
  font-size: 13.5px;
  color: var(--ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.step-bar .btn {
  flex: none;
}

.scene {
  font: 400 21px/1.55 var(--serif);
  margin: 0 0 22px;
}

.ask {
  font-weight: 600;
  font-size: 16px;
  margin: 26px 0 12px;
}

.scene + .ask {
  margin-top: 0;
}

.options {
  display: grid;
  gap: 10px;
}

.option {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  font-size: 15.5px;
  line-height: 1.45;
  transition: border-color 0.15s, background 0.15s;
}

.option:not(:disabled):hover {
  border-color: var(--ink-3);
}

.option.is-picked {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.option:disabled:not(.is-picked) {
  opacity: 0.45;
}

.hint {
  margin: 14px 2px 0;
  font-size: 14px;
  color: var(--ink-3);
}

.reveal {
  margin-top: 22px;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  animation: rise 0.4s ease-out;
}

.reveal-bet {
  margin: 0 0 4px;
  color: var(--ink-2);
}

.reveal-then {
  margin: 0 0 14px;
}

.reveal-insight {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font: 400 20px/1.5 var(--serif);
}

.reveal-pattern {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin: 14px 0 0;
  font: 500 17px/1.4 var(--serif);
  color: var(--accent);
  animation: rise 0.5s 0.25s ease-out both;
}

.reveal-pattern .eyebrow {
  margin: 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

/* Another light */

.shared-lever {
  padding: 18px 20px 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.shared-lever > .eyebrow {
  color: var(--accent);
}

.lever-labels {
  display: grid;
  gap: 6px;
  margin: 2px 0 16px;
}

.lever-label {
  padding: 4px 2px;
  background: none;
  border: 0;
  font-size: 12.5px;
  color: var(--ink-3);
  text-align: center;
}

.lever-label:first-child {
  text-align: left;
}

.lever-label:last-child {
  text-align: right;
}

.lever-label.is-seen {
  color: var(--ink-2);
}

.lever-label.is-active {
  color: var(--accent);
  font-weight: 600;
}

.lever-panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.lever-pane {
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--surface-2);
  border-top: 2px solid var(--c, var(--accent));
}

.lever-pane.is-there {
  border-top-color: var(--sky);
}

.lever-pane p {
  margin: 0;
  font: 400 17px/1.45 var(--serif);
}

.light-after {
  animation: rise 0.35s ease-out;
}

.light-option .light-says {
  margin: 6px 4px 4px 16px;
  font-size: 14.5px;
  color: var(--ink-2);
}

.light-option.is-right .option {
  border-color: var(--good);
  background: var(--good-soft);
}

.light-option.is-near .option {
  opacity: 0.7;
}

.light-holds,
.light-differs {
  margin: 20px 0 6px;
  padding: 16px 18px;
  border-radius: 12px;
  background: var(--surface);
  border-left: 3px solid var(--sky);
  font: 400 18.5px/1.5 var(--serif);
  animation: rise 0.35s ease-out;
}

.light-differs {
  border-left-color: var(--accent);
}

.bridge {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px dashed var(--sky);
  background: var(--sky-soft);
}

.bridge .eyebrow {
  color: var(--sky);
}

.bridge[style] {
  border-color: var(--c);
}

.bridge[style] .eyebrow {
  color: var(--c);
}

.bridge p {
  margin: 0 0 6px;
}

/* Lit panel */

.lit-panel {
  margin-top: 26px;
  padding: 26px 22px 18px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  background: radial-gradient(ellipse at 50% 0%, var(--accent-soft), transparent 70%), var(--surface);
  text-align: center;
}

.lit-panel h2 {
  font-size: 30px;
}

.lit-done {
  font: 400 19px/1.5 var(--serif);
  margin: 10px auto 0;
  max-width: 520px;
}

.lit-note {
  color: var(--ink-2);
  font-size: 14.5px;
  margin: 12px 0 0;
}

.lit-note.is-bridge {
  color: var(--sky);
}

.lit-pattern {
  max-width: 520px;
  margin: 14px auto 0;
  color: var(--ink-2);
  font-size: 15px;
}

.lit-pattern .eyebrow {
  display: block;
  margin-bottom: 2px;
}

.lit-pattern strong {
  color: var(--ink);
  font: 500 17px/1.4 var(--serif);
}

.twin-card {
  display: grid;
  gap: 2px;
  width: 100%;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px dashed var(--c);
  background: var(--surface-2);
  text-align: left;
}

.twin-card .eyebrow {
  color: var(--c);
  margin: 0;
}

.twin-title {
  font: 500 19px/1.3 var(--serif);
}

.twin-hint {
  font-size: 13.5px;
  color: var(--ink-3);
}

.lit-panel > .link-quiet {
  margin-top: 12px;
}

.bloom {
  display: block;
  width: 200px;
  height: auto;
  margin: 0 auto 6px;
  overflow: visible;
}

.bloom-ring {
  fill: none;
  stroke: var(--accent);
  stroke-opacity: 0.6;
  stroke-width: 1.5;
}

.map-star.is-new .bloom-ring {
  transform-box: fill-box;
  transform-origin: center;
  animation: ring 1.8s ease-out infinite;
}

.map-star.is-new .map-glow,
.map-star.is-new .map-core {
  transform-box: fill-box;
  transform-origin: center;
  animation: burst 0.9s cubic-bezier(0.2, 0.9, 0.3, 1.3);
}

@keyframes burst {
  from {
    transform: scale(0.2);
    opacity: 0;
  }
}

@keyframes ring {
  from {
    transform: scale(0.5);
    stroke-opacity: 0.9;
  }
  to {
    transform: scale(2.4);
    stroke-opacity: 0;
  }
}

/* Questions */

.ask-box {
  margin-top: 28px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.ask-box summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-size: 15px;
  color: var(--ink-2);
}

.ask-box summary::-webkit-details-marker {
  display: none;
}

.ask-box summary::before {
  content: '?';
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-right: 10px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  font-size: 12px;
  color: var(--sky);
}

.ask-box[open] summary {
  color: var(--ink);
}

.qa {
  padding: 0 16px 14px;
}

.qa-q {
  margin: 0 0 4px;
  font-weight: 600;
  font-size: 15px;
}

.qa-a {
  margin: 0;
  color: var(--ink-2);
  font: 400 17px/1.5 var(--serif);
}

.ask-form {
  display: flex;
  gap: 8px;
  padding: 2px 16px 0;
}

.ask-form input,
.composer-form input {
  flex: 1;
  min-width: 0;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--raised);
  font-size: 16px;
}

.ask-form input::placeholder,
.composer-form input::placeholder {
  color: var(--ink-3);
}

.ask-note {
  margin: 8px 16px 14px;
  font-size: 13px;
  color: var(--ink-3);
}

/* ── Labs ── */

.lab {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 22px;
}

.lab.is-ignite {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.lab-prompt {
  margin: 0 0 18px;
  font-size: 16px;
}

.lab-note {
  margin: -10px 0 18px;
  font-size: 13.5px;
  color: var(--ink-3);
}

.lab-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.try-status {
  margin: 0;
  font-size: 14.5px;
  color: var(--off);
}

/* Levers (dial, plot) */

.dial-control {
  padding: 4px 0 10px;
}

.dial-control + .dial-control {
  margin-top: 6px;
}

.dial-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}

.dial-value {
  font-weight: 600;
}

.dial-readout {
  color: var(--ink-2);
  text-align: right;
}

.dial-ends {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--ink-3);
  margin-top: 2px;
}

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 32px;
  background: transparent;
  margin: 0;
  touch-action: pan-y;
}

input[type='range']::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--sky) 45%, transparent), color-mix(in srgb, var(--accent) 45%, transparent));
}

input[type='range']::-moz-range-track {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--sky) 45%, transparent), color-mix(in srgb, var(--accent) 45%, transparent));
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin-top: -10px;
  border-radius: 50%;
  background: var(--accent-fill);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--accent), 0 2px 8px rgba(0, 0, 0, 0.2);
}

input[type='range']::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-fill);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--accent), 0 2px 8px rgba(0, 0, 0, 0.2);
}

.zone-track {
  display: flex;
  gap: 4px;
  margin: 14px 0 18px;
}

.zone-seg {
  min-width: 0;
  padding: 6px 4px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.zone-seg.is-seen {
  color: var(--ink-2);
}

.zone-seg.is-here {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--ink);
}

.meters {
  display: grid;
  gap: 8px;
}

.meter {
  display: grid;
  grid-template-columns: minmax(90px, 210px) 1fr 42px;
  gap: 12px;
  align-items: center;
  font-size: 14px;
}

.meter-label {
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meter-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--line);
  overflow: hidden;
}

.meter-fill {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--sky);
  transition: width 0.12s linear;
}

.meter:nth-child(2) .meter-fill {
  background: var(--accent);
}

.meter-pct {
  text-align: right;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.zone-card {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
}

.zone-card p {
  margin: 4px 0 0;
  color: var(--ink-2);
  font-size: 15px;
}

.zone-card .zone-sample {
  font: italic 400 17px/1.45 var(--serif);
  color: var(--ink);
  margin-top: 8px;
}

.case + .case {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.case-text {
  margin: 0 0 10px;
  font-weight: 500;
}

.case-result:not(:empty) {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--surface-2);
  animation: rise 0.3s ease-out;
}

.case-result p {
  margin: 4px 0 0;
  font-size: 14.5px;
  color: var(--ink-2);
}

.case-result.is-right {
  border-left: 3px solid var(--good);
}

.case-result.is-right strong {
  color: var(--good);
}

.case-result.is-wrong {
  border-left: 3px solid var(--off);
}

.case-result.is-wrong strong {
  color: var(--off);
}

/* Plot */

.plot-chart {
  margin-top: 10px;
}

.plot-figure {
  margin: 0;
}

.chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-grid {
  stroke: var(--line);
}

.chart-tick {
  fill: var(--ink-3);
  font: 400 11px var(--sans);
  font-variant-numeric: tabular-nums;
}

.chart-target {
  stroke: var(--ink-3);
  stroke-dasharray: 4 5;
}

.chart-line {
  fill: none;
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart-line.is-primary {
  stroke: var(--accent);
}

.chart-line.is-secondary {
  stroke: var(--sky);
}

.chart-marker {
  stroke: var(--ink-3);
  stroke-dasharray: 2 4;
}

.chart-dot {
  fill: var(--accent-fill);
  stroke: var(--surface);
  stroke-width: 2;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-3);
}

.legend-item::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 3px;
  margin-right: 6px;
  border-radius: 2px;
  vertical-align: middle;
  background: var(--accent);
}

.legend-item.is-secondary::before {
  background: var(--sky);
}

.plot-readouts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-2);
}

.plot-readout strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.plot-hidden {
  display: grid;
  place-items: center;
  min-height: 180px;
  border-radius: 12px;
  border: 1px dashed var(--line-2);
  color: var(--ink-3);
  font-size: 14.5px;
  text-align: center;
  padding: 16px;
}

/* Limit */

.limit-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--ink-2);
}

.limit-rows {
  display: grid;
  gap: 10px;
}

.limit-row {
  display: grid;
  grid-template-columns: minmax(100px, 160px) 1fr 40px auto;
  gap: 12px;
  align-items: center;
  font-size: 14.5px;
}

.limit-label {
  color: var(--ink-2);
}

.limit-track {
  position: relative;
  height: 14px;
  border-radius: 7px;
  background: var(--surface-2);
  overflow: visible;
}

.limit-fill {
  display: block;
  height: 100%;
  border-radius: 7px;
  background: var(--sky);
  transition: width 0.25s;
}

.limit-row.is-limit .limit-fill {
  background: var(--off);
}

.limit-row.is-limit .limit-label {
  color: var(--off);
  font-weight: 600;
}

.limit-demand {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 2px;
  margin-left: -1px;
  background: var(--ink-2);
}

.limit-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.limit-add {
  min-height: 32px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: none;
  color: var(--accent);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.limit-add:disabled {
  opacity: 0.35;
}

.limit-result {
  display: grid;
  gap: 2px;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
  font-size: 15px;
}

.limit-result strong {
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}

.limit-result.is-right {
  border-left-color: var(--good);
}

.limit-result.is-wrong {
  border-left-color: var(--off);
}

.limit-result.is-pending {
  border-left-color: var(--line-2);
  color: var(--ink-3);
}

.limit-why {
  font-size: 13.5px;
  color: var(--ink-3);
}

/* Build */

.build-stage {
  display: grid;
  justify-items: center;
  padding: 10px 0 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.build-big {
  font: 400 40px/1.15 var(--serif);
  min-height: 48px;
  text-align: center;
}

.compose-hangul .build-big {
  font-size: 92px;
  line-height: 1.1;
  min-height: 102px;
}

.has-outcomes .build-big {
  font-size: 24px;
  min-height: 32px;
}

.build-big.is-empty {
  color: var(--ink-3);
}

.build-sub {
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 8px;
  margin: 2px 0 14px;
}

.build-sound {
  color: var(--accent);
  font-size: 17px;
  letter-spacing: 0.04em;
}

.build-meaning {
  color: var(--ink-2);
  font-size: 15px;
}

.build-off {
  flex-basis: 100%;
  text-align: center;
  color: var(--off);
  font-size: 14.5px;
}

.build-outcome {
  max-width: 520px;
  margin: 16px 0 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--ink-3);
  font: 400 15px/1.45 var(--sans);
  text-align: center;
}

.build-outcome.is-shown {
  color: var(--ink);
  font: 400 18px/1.45 var(--serif);
  border-left: 3px solid var(--sky);
  animation: rise 0.25s ease-out;
}

.build-outcome.is-good {
  color: var(--ink);
  font: 400 18px/1.45 var(--serif);
  border-left: 3px solid var(--good);
}

.build-outcome.is-off {
  color: var(--ink);
  font: 400 18px/1.45 var(--serif);
  border-left: 3px solid var(--off);
}

.slots {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.slot {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 2px;
  min-width: 92px;
  min-height: 68px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1.5px dashed var(--line-2);
  background: none;
}

.slot.is-filled {
  border-style: solid;
  border-color: var(--accent);
  background: var(--accent-soft);
}

.slot-label {
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.slot-text {
  font: 400 28px/1.15 var(--serif);
  min-height: 30px;
}

.compose-words .slot-text {
  font-size: 18px;
}

.pieces {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.piece {
  display: grid;
  justify-items: center;
  gap: 2px;
  min-width: 56px;
  min-height: 52px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--raised);
  transition: border-color 0.15s, transform 0.1s;
}

.piece:hover {
  border-color: var(--accent);
}

.piece:active {
  transform: scale(0.96);
}

.piece-text {
  font: 400 26px/1.2 var(--serif);
}

.piece.is-wide .piece-text {
  font-size: 17px;
}

.piece-sub {
  font-size: 11.5px;
  color: var(--ink-3);
}

.piece-note {
  min-height: 24px;
  margin: 16px 0 0;
  text-align: center;
  color: var(--ink-2);
  font-size: 15px;
}

.piece-note.is-off {
  color: var(--off);
}

.build-log {
  margin: 8px 0 0;
  text-align: center;
  font-size: 13.5px;
  color: var(--ink-3);
}

/* Sort */

.sort-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sort-item {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.sort-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.sort-text {
  margin: 0 0 10px;
  font-size: 16px;
}

.bins {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bin {
  min-height: 38px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: none;
  font-size: 14px;
  color: var(--ink-2);
}

.bin:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}

.bin.is-picked {
  color: var(--ink);
  background: var(--surface-2);
  border-color: var(--ink-3);
}

.sort-item.is-right .bin.is-picked {
  border-color: var(--good);
  background: var(--good-soft);
}

.sort-item.is-wrong .bin.is-picked {
  border-color: var(--off);
  background: var(--off-soft);
}

.sort-why {
  margin: 10px 0 0;
  font-size: 14.5px;
  color: var(--ink-2);
  animation: rise 0.25s ease-out;
}

/* Fit */

.fit-meter {
  margin-bottom: 14px;
}

.fit-bar {
  display: flex;
  gap: 2px;
  height: 14px;
  border-radius: 7px;
  background: var(--surface-2);
  overflow: hidden;
}

.fit-seg {
  display: block;
  height: 100%;
  background: color-mix(in srgb, var(--sky) 60%, transparent);
  transition: width 0.2s;
}

.fit-seg.is-pinned {
  background: var(--ink-3);
}

.fit-seg.is-key {
  background: var(--accent);
}

.fit-seg-total.is-over {
  background: var(--off);
}

.fit-total {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.fit-total.is-over {
  color: var(--off);
}

.fit-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fit-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.fit-item label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: 0;
  cursor: pointer;
}

.fit-item input {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--accent);
}

.fit-label {
  font-size: 15px;
}

.fit-item.is-off .fit-label {
  color: var(--ink-3);
  text-decoration: line-through;
}

.fit-item.is-dropped .fit-label {
  color: var(--off);
}

.fit-meta {
  flex: none;
  display: flex;
  gap: 8px;
  align-items: center;
}

.fit-size {
  font-size: 13px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  min-width: 42px;
  text-align: right;
}

.tag {
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--line-2);
  color: var(--ink-3);
  white-space: nowrap;
}

.tag-off {
  border-color: var(--off);
  color: var(--off);
}

.fit-outcome {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--surface-2);
}

.fit-outcome p {
  margin: 2px 0 0;
  font: 400 18px/1.45 var(--serif);
}

.fit-outcome-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.fit-outcome.is-good {
  border-color: var(--good);
}

.fit-outcome.is-off {
  border-color: var(--off);
}

.fit-outcome.is-pending {
  border-style: dashed;
}

.fit-outcome.is-pending p {
  color: var(--ink-3);
  font: 400 15px/1.45 var(--sans);
}

/* Beams */

.beam-sentence + .beam-sentence {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.beam-words {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 4px;
  margin: 0 0 14px;
  font: 400 22px/1.3 var(--serif);
}

.beam-word {
  position: relative;
  padding: 3px 6px 15px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--sky) calc(var(--w, 0) * 55%), transparent);
  transition: background 0.25s;
}

.beam-word.is-focus {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.beam-word.is-top {
  box-shadow: inset 0 0 0 1px var(--sky);
}

.beam-word.is-swap {
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px dashed var(--accent);
  font: inherit;
}

.beam-word.is-blank {
  min-width: 72px;
}

.beam-pct {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  text-align: center;
  font: 500 10.5px/1 var(--sans);
  color: var(--sky);
}

.beam-swaps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.beam-read {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--ink-2);
}

/* ── Paths ── */

.paths h1 {
  font-size: clamp(30px, 5vw, 40px);
}

.page-sub {
  color: var(--ink-2);
  margin: 8px 0 24px;
  max-width: 640px;
}

.cons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.cons-card {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 20px;
}

.cons-card header {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.cons-dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 10px var(--c);
}

.cons-card h3 {
  font-size: 22px;
}

.cons-card header p {
  margin: 4px 0 0;
  color: var(--ink-2);
  font-size: 14px;
}

.cons-stars {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  flex: 1;
}

.cons-star {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px;
  align-items: baseline;
  width: 100%;
  padding: 9px 4px;
  text-align: left;
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.cons-star .mark {
  color: var(--ink-3);
}

.cons-star.is-lit .mark {
  color: var(--star-lit);
}

.cons-star-title {
  color: var(--ink-2);
}

.cons-star:hover .cons-star-title {
  color: var(--ink);
}

.cons-star {
  grid-template-columns: 20px 1fr auto;
}

.cons-star-level {
  color: var(--ink-3);
  font-size: 12px;
}

.paths-h2 {
  margin-top: 48px;
  font-size: clamp(24px, 4vw, 30px);
}

.pattern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.pattern-card {
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px dashed var(--line-2);
  background: transparent;
}

.pattern-card.is-named {
  border-style: solid;
  border-color: var(--line);
  background: var(--surface);
}

.pattern-card h3 {
  font: 500 18px/1.3 var(--serif);
  color: var(--ink-3);
}

.pattern-card.is-named h3 {
  color: var(--accent);
}

.pattern-card > p {
  margin: 6px 0 10px;
  color: var(--ink-2);
  font-size: 14px;
}

.pattern-stars {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pattern-star {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  padding: 5px 0;
  background: none;
  border: 0;
  color: var(--ink-2);
  font-size: 14px;
  text-align: left;
}

.pattern-star .dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--c);
  transform: translateY(-1px);
}

.pattern-star.is-lit .dot {
  background: var(--c);
}

.pattern-star:hover {
  color: var(--ink);
}

.cons-card footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cons-progress {
  font-size: 13px;
  color: var(--ink-3);
}

.cons-new {
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  border-style: dashed;
  border-color: var(--line-2);
  background: none;
  min-height: 220px;
}

.cons-new:hover {
  background: var(--surface);
}

.cons-new-plus {
  font: 400 34px/1 var(--serif);
  color: var(--accent);
  margin-bottom: 10px;
}

.cons-new p {
  color: var(--ink-2);
  font-size: 14px;
  margin: 6px 0 0;
}

/* ── Universe (map) ── */

body.is-map .main {
  padding: 0;
}

.universe {
  position: relative;
  height: calc(100vh - var(--topbar));
  height: calc(100dvh - var(--topbar));
  overflow: hidden;
  background: var(--map-bg);
}

.map-frame {
  position: absolute;
  inset: 0;
}

.map-svg {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.map-svg:active {
  cursor: grabbing;
}

.map-svg:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
}

.map-grid {
  stroke: var(--map-grid);
  vector-effect: non-scaling-stroke;
}

.map-dust {
  fill: var(--dust);
}

.map-line {
  stroke: var(--c, var(--ink-3));
  stroke-opacity: 0.2;
  stroke-width: 1.2;
  stroke-dasharray: 3 6;
  vector-effect: non-scaling-stroke;
}

.map-line.is-lit {
  stroke-opacity: 0.9;
  stroke-width: 1.8;
  stroke-dasharray: none;
}

.map-ring-level {
  fill: none;
  stroke: var(--c, var(--ink-3));
  stroke-opacity: 0.1;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.map-hub {
  fill: var(--c);
  opacity: 0.5;
}

.map-bridge {
  fill: none;
  stroke: var(--sky);
  stroke-opacity: 0.22;
  stroke-width: 1.3;
  stroke-dasharray: 2 7;
  vector-effect: non-scaling-stroke;
}

.map-bridge.is-lit {
  stroke-opacity: 0.9;
  stroke-width: 2;
  stroke-dasharray: none;
}

.map-bridge-label {
  fill: var(--sky);
  font: italic 400 calc(13px / var(--k, 1)) var(--serif);
  opacity: 0;
  transition: opacity 0.2s;
}

.map-svg.is-close .map-bridge-label {
  opacity: 1;
}

.map-label {
  fill: var(--c);
  font: 600 calc(clamp(8.5px, 25px * var(--k, 1), 12.5px) / var(--k, 1)) var(--sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.map-star {
  cursor: pointer;
  outline: none;
}

.map-dot {
  transform: scale(calc(1 / var(--k, 1)));
}

.map-hit {
  fill: transparent;
}

.map-core {
  fill: var(--star-unlit);
}

.map-ring {
  fill: none;
  stroke: var(--c);
  stroke-opacity: 0.55;
  vector-effect: non-scaling-stroke;
}

.map-star.is-lit .map-core {
  fill: var(--star-lit);
}

.map-glow {
  fill: url(#glow);
}

/* Depth as brightness: a glimpse is faint, the turn half-lit, lit and echoed fully bright. */
.map-star.is-depth-1 .map-core { fill: color-mix(in srgb, var(--star-unlit) 70%, var(--star-lit)); }
.map-star.is-depth-2 .map-core { fill: color-mix(in srgb, var(--star-unlit) 35%, var(--star-lit)); }
.map-star.is-depth-4 .map-core { stroke: var(--star-lit); stroke-width: 2; stroke-opacity: .5; }
/* Reach: a soft halo in the field's colour where the light could travel next. */
.map-halo { fill: color-mix(in srgb, var(--c) 28%, transparent); stroke: var(--c); stroke-opacity: .35; stroke-dasharray: 2 3; vector-effect: non-scaling-stroke; }
/* An echo is due: the lit star twinkles until it's answered. */
.map-star.is-echo-due .map-glow { animation: map-twinkle 2.4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes map-twinkle { 50% { opacity: .45; transform: scale(.82); } }
@media (prefers-reduced-motion: reduce) { .map-star.is-echo-due .map-glow { animation: none; opacity: .7; } }
.map-card .map-depth, .map-card .map-reach { font-size: 13px; color: var(--ink-3); margin: 4px 0 8px; }
.map-card .map-reach { color: var(--accent); }

.map-title {
  fill: var(--ink-2);
  font: 400 13px var(--sans);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.map-svg.is-close .map-title {
  opacity: 1;
}

.map-star:hover .map-title,
.map-star.is-selected .map-title,
.map-star:focus-visible .map-title {
  opacity: 1;
  fill: var(--ink);
}

.map-star:hover .map-ring,
.map-star.is-selected .map-ring {
  stroke-opacity: 1;
}

.map-star.is-selected .map-core {
  stroke: var(--accent);
  stroke-width: 3;
}

.map-head {
  position: absolute;
  top: 16px;
  left: 16px;
  max-width: min(420px, calc(100% - 32px));
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--bar);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  pointer-events: none;
}

.map-head h1 {
  font-size: 24px;
}

.map-head p {
  margin: 2px 0 0;
  font-size: 13.5px;
  color: var(--ink-2);
}

.map-head .map-hint {
  color: var(--ink-3);
}

.map-controls {
  position: absolute;
  right: 16px;
  bottom: 24px;
  display: grid;
  gap: 1px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
}

.map-btn {
  width: 44px;
  height: 44px;
  border: 0;
  background: var(--raised);
  font-size: 20px;
  color: var(--ink);
}

.map-btn:hover {
  background: var(--surface-2);
}

.map-card {
  position: absolute;
  left: 16px;
  bottom: 24px;
  width: min(380px, calc(100% - 92px));
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--line-2);
  border-top: 3px solid var(--c);
  background: var(--raised);
  box-shadow: var(--shadow);
  animation: rise 0.25s ease-out;
}

.map-card .eyebrow {
  color: var(--c);
  margin-bottom: 2px;
}

.map-card h2 {
  font-size: 21px;
  padding-right: 28px;
}

.map-card p {
  margin: 6px 0 0;
  color: var(--ink-2);
  font-size: 14.5px;
}

.map-card .map-relation {
  color: var(--ink);
  font: italic 400 17px/1.45 var(--serif);
}

.map-card-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 0;
  background: none;
  font-size: 20px;
  color: var(--ink-3);
}

.map-twin {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px dashed var(--sky);
  background: var(--sky-soft);
  color: var(--sky);
  font-size: 13.5px;
  text-align: left;
}

.map-card-actions {
  margin-top: 12px;
}

/* ── Drawer, sheets, toast ── */

.drawer {
  position: sticky;
  top: var(--topbar);
  z-index: 19;
  border-bottom: 1px solid var(--line-2);
  background: var(--raised);
  box-shadow: var(--shadow);
  animation: drop 0.2s ease-out;
}

@keyframes drop {
  from {
    transform: translateY(-8px);
    opacity: 0;
  }
}

.drawer-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 20px 18px;
}

.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.drawer-head h2 {
  font-size: 24px;
}

.drawer-close {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  background: none;
  font-size: 24px;
  color: var(--ink-3);
}

.drawer-sub {
  margin: 4px 0 14px;
  color: var(--ink-2);
  font-size: 15px;
}

.composer-form {
  display: flex;
  gap: 10px;
}

.composer-status {
  margin: 12px 4px 0;
  font-size: 14px;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--line-2);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.sheet {
  width: min(680px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  background: var(--raised);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.sheet::backdrop {
  background: var(--backdrop);
  backdrop-filter: blur(4px);
}

.sheet-inner {
  padding: 22px 24px 20px;
}

.plan-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: var(--surface);
}

.plan-card h3 {
  font-size: 20px;
}

.plan-card p {
  margin: 6px 0 0;
  color: var(--ink-2);
  font-size: 14.5px;
}

.plan-card .price {
  font: 500 30px/1.2 var(--serif);
  color: var(--ink);
  margin-top: 8px;
}

.plan-card .price span {
  font: 400 14px var(--sans);
  color: var(--ink-3);
}

.plan-card .price-alt {
  margin-top: 0;
  font-size: 13px;
  color: var(--ink-3);
}

.plan-card .btn {
  margin-top: auto;
}

.plan-card > p:last-of-type {
  margin-bottom: 16px;
}

.plans-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--ink-3);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 30;
  max-width: calc(100vw - 32px);
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 14.5px;
  box-shadow: var(--shadow);
  animation: rise 0.25s ease-out;
}

/* ── Phones ── */

@media (max-width: 720px) {
  :root {
    --topbar: 52px;
  }

  .topbar {
    gap: 10px;
  }

  .topnav {
    display: none;
  }

  .dock {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 4px 8px calc(4px + env(safe-area-inset-bottom));
    background: var(--bar);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
  }

  .dock a {
    display: grid;
    justify-items: center;
    gap: 1px;
    padding: 5px 0;
    text-decoration: none;
    font-size: 11.5px;
    color: var(--ink-3);
  }

  .dock a.is-active {
    color: var(--accent);
  }

  .dock-icon {
    position: relative;
    font-size: 17px;
    line-height: 1.2;
  }

  .dock-count {
    position: absolute;
    top: -3px;
    left: 100%;
    margin-left: 2px;
    min-width: 16px;
    padding: 0 4px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 10px;
    line-height: 14px;
    text-align: center;
  }

  .main {
    padding: 18px 16px calc(84px + env(safe-area-inset-bottom));
  }

  .universe {
    height: calc(100dvh - var(--topbar) - 58px - env(safe-area-inset-bottom));
  }

  .welcome {
    margin-top: 4vh;
  }

  .welcome p {
    font-size: 17.5px;
  }

  .cons-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    gap: 4px;
    margin: 20px 0 22px;
  }

  .step .step-label {
    display: none;
  }

  .step.is-active .step-label {
    display: inline;
    white-space: nowrap;
  }

  .step-bar {
    bottom: calc(66px + env(safe-area-inset-bottom));
  }

  .scene {
    font-size: 19px;
  }

  .lab {
    padding: 18px 16px;
    margin: 0 -4px;
  }

  .meter {
    grid-template-columns: 110px 1fr 38px;
    gap: 8px;
    font-size: 13px;
  }

  .limit-row {
    grid-template-columns: 1fr 34px auto;
    grid-template-areas: 'label value add' 'track track track';
    gap: 4px 10px;
  }

  .limit-label {
    grid-area: label;
  }

  .limit-track {
    grid-area: track;
  }

  .limit-value {
    grid-area: value;
  }

  .limit-add {
    grid-area: add;
  }

  .compose-hangul .build-big {
    font-size: 76px;
    min-height: 86px;
  }

  .compose-words .build-big {
    font-size: 28px;
  }

  .has-outcomes .build-big {
    font-size: 20px;
  }

  .slot {
    min-width: 78px;
  }

  .lever-panes {
    grid-template-columns: 1fr;
  }

  .beam-words {
    font-size: 19px;
  }

  .fit-item {
    align-items: flex-start;
  }

  .fit-meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
  }

  .composer-form {
    flex-direction: column;
  }

  .map-head {
    top: 10px;
    left: 10px;
    padding: 10px 12px;
  }

  .map-head h1 {
    font-size: 20px;
  }

  .map-controls {
    right: 10px;
    bottom: 12px;
  }

  .map-card {
    left: 10px;
    bottom: 12px;
    width: calc(100% - 76px);
  }

  .sheet {
    width: 100%;
    max-width: 100vw;
    margin: auto 0 0;
    border-radius: 20px 20px 0 0;
    max-height: 88vh;
    overflow: auto;
  }

  .sheet-inner {
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
  }

  .plan-cards {
    grid-template-columns: 1fr;
  }

  .toast {
    bottom: calc(76px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 380px) {
  .brand-name {
    display: none;
  }
}

/* ── Contrast lab ── */

.contrast-frame {
  margin: 14px 0 10px;
}

.contrast {
  display: block;
  width: 100%;
  height: auto;
}

/* ── Base-rate grid ── */

.grid-frame {
  margin: 14px 0 4px;
}

.grid {
  display: block;
  width: 100%;
  height: auto;
}

.grid-dot {
  fill: var(--dust);
}

.grid-dot.is-flagged {
  fill: var(--off);
}

.grid-dot.is-real {
  fill: none;
  stroke: var(--good);
  stroke-width: 1.6;
}

.grid-dot.is-real.is-flagged {
  fill: var(--good);
}

.grid-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-3);
}

.legend-dot::before {
  content: '';
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 6px;
  border-radius: 50%;
  vertical-align: -1px;
  background: var(--off);
}

.legend-dot.is-real::before {
  background: none;
  border: 1.6px solid var(--good);
  box-sizing: border-box;
}

.legend-dot.is-real.is-flagged::before {
  background: var(--good);
}

/* ── Map card extras ── */

.map-pattern {
  margin: 6px 0 0;
  color: var(--accent);
  font: italic 400 15px/1.4 var(--serif);
}

.map-needs {
  margin: 6px 0 0;
  color: var(--ink-3);
  font-size: 13px;
}

/* ── Constellations ── */

.part-of {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
  width: 100%;
  margin: 0 0 18px;
  padding: 9px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--accent-soft);
  color: var(--ink-2);
  font-size: 14px;
  text-align: left;
}

.part-of strong {
  color: var(--ink);
  font-weight: 600;
}

.part-of-mark {
  color: var(--accent);
}

.part-of-count {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 13px;
}

.paths-h2.is-first {
  margin-top: 28px;
}

.paths-h2 + .cons-grid,
.paths-h2 + .page-sub {
  margin-top: 14px;
}

.cons-card.is-constellation {
  border-top: 2px solid var(--accent);
}

.cons-card.is-constellation.is-done {
  box-shadow: 0 0 0 1px var(--accent-soft), 0 0 28px var(--accent-soft);
}

.cons-card.is-constellation header .eyebrow {
  color: var(--accent);
}

a.cons-star {
  color: inherit;
  text-decoration: none;
}

.cons-star.is-final .mark,
.cons-star.is-final .cons-star-title {
  color: var(--accent);
}

.path-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pip.is-final {
  display: inline-block;
  border-radius: 2px;
  transform: rotate(45deg) scale(0.85);
  border-color: var(--accent);
}

.finale > .btn {
  margin-top: 8px;
}

a.twin-card {
  color: inherit;
  text-decoration: none;
}

.twin-card.is-finale {
  border-style: solid;
  background: var(--accent-soft);
}

.cons-progress-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  margin-top: 16px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: none;
  color: var(--ink-2);
  font-size: 13.5px;
  text-align: left;
}

.chip-pips {
  display: inline-flex;
  flex: none;
  gap: 4px;
}

.chip-pip {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.3px solid var(--ink-3);
}

.chip-pip.is-lit {
  border-color: var(--star-lit);
  background: var(--star-lit);
}

.cons-figure .figure-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}

.cons-figure.is-fresh .figure-line {
  animation: trace 1.8s 0.2s ease-in-out both;
}

.cons-figure.is-fresh .map-star {
  animation: rise 0.5s var(--delay, 0s) ease-out both;
}

@keyframes trace {
  from {
    stroke-dashoffset: 1;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.map-figure {
  fill: none;
  stroke: var(--accent);
  stroke-opacity: 0.35;
  stroke-width: 1.3;
  stroke-dasharray: 1 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.map-figure.is-done {
  stroke-opacity: 0.95;
  stroke-width: 2.4;
  stroke-dasharray: none;
  filter: drop-shadow(0 0 4px var(--star-glow));
}

.map-figure-label {
  fill: var(--accent);
  font: italic 500 calc(15px / var(--k, 1)) var(--serif);
  paint-order: stroke;
  stroke: var(--map-bg);
  stroke-width: calc(4px / var(--k, 1));
  stroke-linejoin: round;
}

.map-twin.is-cons {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .cons-figure.is-fresh .figure-line,
  .cons-figure.is-fresh .map-star {
    animation: none;
  }
}

.bloom.cons-figure {
  width: min(100%, 380px);
  height: auto;
}

.finale .star-head + .scene {
  margin-top: 26px;
}

.path-bar > .link-quiet {
  white-space: nowrap;
}

/* ── Roleplay: the situation as a scene ── */

.stage-set .af {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.stage-script {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.stage-you {
  margin: 0;
  color: var(--ink-2);
  font: italic 400 17px/1.5 var(--serif);
}

.stage-line {
  margin: 0;
  font: 400 18px/1.55 var(--serif);
}

.stage-line.is-said {
  justify-self: start;
  max-width: 92%;
  padding: 10px 14px;
  border-radius: 14px 14px 14px 4px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.stage-who {
  display: block;
  margin-bottom: 2px;
  color: var(--accent);
  font: 600 12px/1.4 var(--sans);
  letter-spacing: 0.04em;
}

.stage-line.is-new {
  animation: rise 0.45s ease-out both;
}

.stage-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 16px;
}

.stage + .ask {
  margin-top: 22px;
}

/* ── Film: the landings lab ── */

.film {
  position: relative;
  margin: 12px 0 10px;
  border-radius: var(--radius);
  overflow: hidden;
}

.film .af {
  display: block;
  width: 100%;
  height: auto;
}

.af-plane {
  fill: #1a1322;
}

.af-light {
  animation: twinkle 2.2s ease-in-out infinite alternate;
}

.af-light:nth-child(3n) {
  animation-delay: -1.1s;
}

@keyframes twinkle {
  from {
    opacity: 0.45;
  }
  to {
    opacity: 1;
  }
}

.af-puff {
  fill: #dcc6a6;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: puff 0.9s ease-out forwards;
}

@keyframes puff {
  0% {
    opacity: 0.8;
    transform: scale(0.4);
  }
  100% {
    opacity: 0;
    transform: translateY(-6px) scale(var(--s, 2));
  }
}

.film-badge,
.film-sound {
  position: absolute;
  top: 10px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 0;
  background: rgba(20, 14, 30, 0.55);
  color: #fff3d4;
  font: 500 12px/1.6 var(--sans);
  backdrop-filter: blur(4px);
}

.film-badge {
  left: 12px;
}

.film-sound {
  right: 10px;
  cursor: pointer;
}

.film-sound[aria-pressed='true'] {
  color: #1d1503;
  background: #f1c56c;
}

.film-score {
  position: absolute;
  left: 50%;
  top: max(18%, 40px);
  transform: translateX(-50%);
  color: #fff8e6;
  text-align: center;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
  animation: rise 0.35s ease-out both;
}

.film-score strong {
  display: block;
  font: 500 clamp(32px, 7vw, 46px) / 1 var(--serif);
}

.film-score span {
  font-size: 13.5px;
  letter-spacing: 0.04em;
}

.film-says {
  min-height: 1.5em;
  margin: 2px 0 10px;
  color: var(--ink-2);
  font-size: 15px;
}

.film-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.film-ask {
  margin-right: 4px;
  color: var(--ink-2);
  font-size: 14.5px;
}

.logbooks {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.logbook {
  margin: 0;
}

.logbook figcaption {
  margin-bottom: 4px;
  color: var(--ink-3);
  font-size: 12.5px;
}

.logbook svg {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
}

.log-bar {
  fill: var(--ink-3);
  opacity: 0.5;
}

.log-bar.is-praise {
  fill: var(--good);
  opacity: 0.9;
}

.log-bar.is-shout {
  fill: var(--off);
  opacity: 0.9;
}

.log-mean {
  stroke: var(--ink-2);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  opacity: 0.6;
}

.lab-landings .case-result .logbook {
  margin-top: 10px;
}

/* ── The moment a star lights ── */

.ignite-layer {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 34px;
  background: rgba(6, 9, 22, 0.8);
  animation: fade-in 0.3s ease-out both;
  cursor: pointer;
  transition: background 0.6s, opacity 0.4s;
}

.ignite-layer.is-flying {
  background: rgba(6, 9, 22, 0.35);
}

.ignite-layer.is-leaving {
  opacity: 0;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

.ignite-burst {
  position: relative;
  width: 0;
  height: 0;
}

.ignite-burst::after {
  content: '';
  position: absolute;
  left: -40px;
  top: -40px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(246, 214, 143, 0.8);
  animation: ring 1.1s 0.15s ease-out both;
}

@keyframes ring {
  from {
    transform: scale(0.2);
    opacity: 1;
  }
  to {
    transform: scale(2.6);
    opacity: 0;
  }
}

.ignite-fly {
  position: absolute;
  left: 0;
  top: 0;
  transition: transform 0.7s cubic-bezier(0.55, 0, 0.25, 1);
}

.ignite-core {
  position: absolute;
  left: -11px;
  top: -11px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle, #fffdf3 0 35%, #f6d68f 72%);
  box-shadow: 0 0 24px 10px rgba(246, 214, 143, 0.75), 0 0 90px 34px rgba(246, 214, 143, 0.32);
  animation: core-in 0.75s cubic-bezier(0.2, 1.4, 0.4, 1) both;
}

@keyframes core-in {
  0% {
    transform: scale(0);
  }
  60% {
    transform: scale(1.8);
  }
  100% {
    transform: scale(1);
  }
}

.ignite-spark {
  position: absolute;
  left: -2px;
  top: -2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ffe9b0;
  box-shadow: 0 0 6px #f6d68f;
  animation: spark var(--t, 0.8s) 0.15s ease-out both;
}

@keyframes spark {
  from {
    transform: rotate(var(--a)) translateX(0);
    opacity: 1;
  }
  to {
    transform: rotate(var(--a)) translateX(var(--d));
    opacity: 0;
  }
}

.ignite-title {
  max-width: min(80vw, 520px);
  margin: 0;
  color: #fff3d4;
  font: 400 clamp(22px, 4vw, 28px) / 1.3 var(--serif);
  text-align: center;
  animation: rise 0.5s 0.4s ease-out both;
  transition: opacity 0.3s;
}

.ignite-title .eyebrow {
  display: block;
  margin-bottom: 8px;
  color: #f6d68f;
}

.is-flying .ignite-title {
  opacity: 0;
}

.nav-count,
.dock-count {
  display: inline-block;
}

[data-lit-count].is-bump {
  animation: bump 0.6s ease-out;
}

@keyframes bump {
  35% {
    transform: scale(1.7);
    box-shadow: 0 0 12px var(--star-glow);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage-line.is-new,
  .af-light,
  .af-puff,
  [data-lit-count].is-bump {
    animation: none;
  }
}

/* ── Your own light ── */

.own-light {
  margin-top: 26px;
  padding: 18px 18px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--accent-soft), transparent 60%), var(--surface);
  text-align: left;
}

.own-light > .eyebrow {
  color: var(--accent);
}

.own-ask {
  margin: 4px 0 12px;
  color: var(--ink-2);
  font-size: 15px;
}

.own-form {
  display: flex;
  gap: 8px;
}

.own-form input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

.own-note {
  margin: 8px 0 0;
  color: var(--ink-3);
  font-size: 12.5px;
}

.own-card {
  margin: 0 0 12px;
  padding: 14px 16px;
  border-radius: 12px;
  border-left: 3px solid var(--accent);
  background: var(--surface-2);
  animation: rise 0.4s ease-out both;
}

.own-card.is-none {
  border-left-color: var(--ink-3);
}

.own-card h4 {
  margin: 2px 0 6px;
  font: 500 18px/1.3 var(--serif);
}

.own-card p {
  margin: 6px 0 0;
  font-size: 14.5px;
}

.own-card .eyebrow {
  display: block;
  margin-bottom: 1px;
}

.own-situation {
  color: var(--ink-3);
  font-style: italic;
}

.own-scene {
  font: 400 16px/1.5 var(--serif);
}

.own-watch {
  color: var(--ink);
}

/* ── Galaxies, Wormholes, Use it, Field guide ── */

.galaxy-head {
  margin: 40px 0 14px;
}

.galaxy-head .eyebrow {
  color: var(--accent);
}

.galaxy-head .paths-h2 {
  margin: 2px 0 0;
}

.galaxy-head p {
  margin: 4px 0 0;
  color: var(--ink-2);
}

.wormhole {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  margin: 12px 0 0;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px dashed var(--sky);
  background: var(--sky-soft);
  color: var(--ink-2);
  font-size: 14px;
  text-align: left;
}

.wormhole strong {
  color: var(--ink);
  font-weight: 600;
}

.wormhole-mark {
  color: var(--sky);
  font-size: 16px;
}

.wormhole.is-return {
  margin: 0 0 10px;
  border-style: solid;
  color: var(--sky);
}

.use-card {
  max-width: 560px;
  margin: 22px auto 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-2);
  text-align: left;
}

.use-card > .eyebrow {
  color: var(--accent);
}

.use-when {
  margin: 4px 0 8px;
  font: 400 17px/1.5 var(--serif);
}

.use-try {
  margin: 0 0 10px;
  color: var(--ink-2);
  font-size: 15px;
}

.use-try strong {
  color: var(--ink);
}

.use-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.area-chip {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  font-size: 12.5px;
  text-decoration: none;
}

.area-chip:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.switch {
  display: inline-flex;
  padding: 3px;
  margin-bottom: 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.switch a {
  padding: 4px 14px;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 13px;
  text-decoration: none;
}

.switch a.is-on {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.guide {
  max-width: 760px;
  margin: 0 auto;
}

.guide h1 {
  font-size: clamp(30px, 5vw, 40px);
}

.guide-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.guide-area {
  margin-top: 34px;
  scroll-margin-top: 80px;
}

.guide-area header h2 {
  font-size: clamp(22px, 4vw, 27px);
}

.guide-area header p {
  margin: 2px 0 12px;
  color: var(--ink-3);
  font-size: 14px;
}

.guide-entry {
  margin-bottom: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c);
  background: var(--surface);
}

.guide-entry h3 {
  margin: 0 0 4px;
  font: 500 19px/1.3 var(--serif);
}

.guide-entry p {
  margin: 6px 0 0;
  font-size: 14.5px;
  color: var(--ink-2);
}

.guide-entry .eyebrow {
  display: block;
}

.guide-relation {
  color: var(--ink) !important;
  font-style: italic;
}

.guide-own {
  padding-top: 6px;
  border-top: 1px dashed var(--line-2);
}

.guide-unlit {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  columns: 2 220px;
}

.guide-unlit li {
  padding: 3px 0;
  font-size: 14px;
}

.link-plain {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.guide-unlit .link-plain {
  color: var(--ink-3);
}

.link-plain:hover {
  color: var(--accent);
}

/* ── Flow: why this star, goals ── */

.flow-why {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 8px;
  margin: -8px 0 18px;
  padding: 0 4px;
  color: var(--ink-2);
  font-size: 14px;
}

.flow-why .eyebrow {
  margin: 0;
  color: var(--sky);
}

.focus-heading {
  margin: 10px 0 4px;
  color: var(--ink-3);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.focus-heading:first-child {
  margin-top: 0;
}

.goal-card {
  max-width: 560px;
  margin: 22px auto 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  text-align: left;
}

.goal-card > .eyebrow {
  color: var(--accent);
}

.goal-card > p {
  margin: 4px 0 12px;
  color: var(--ink-2);
  font-size: 15px;
}

.goal-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.goal-option {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
}

.goal-option:hover {
  border-color: var(--accent);
}

.goal-option.is-quiet {
  color: var(--ink-3);
}

/* ── Plans and the daily allowance ── */

.plans .sheet-inner {
  max-width: 920px;
}

.plan-cards {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)) !important;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.plan-card.is-featured {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 1px var(--accent-soft), var(--shadow);
}

.plan-badge {
  position: absolute;
  top: -11px;
  left: 16px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--accent-fill);
  color: var(--on-accent);
  font-size: 11.5px;
  font-weight: 600;
}

.plan-points {
  flex: 1;
  margin: 10px 0 16px;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ink-2);
}

.plan-points li {
  padding: 4px 0 4px 20px;
  position: relative;
}

.plan-points li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 11px;
  top: 6px;
}

.plan-current {
  margin: 0;
  padding: 9px 0;
  color: var(--ink-3);
  font-size: 14px;
  text-align: center;
  border: 1px dashed var(--line-2);
  border-radius: 999px;
}

.plan-member {
  display: grid;
  gap: 10px;
}

.billing {
  display: flex;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.billing button {
  flex: 1;
  padding: 5px 0;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--ink-2);
  font-size: 13px;
}

.billing button.is-on {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.restore {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.restore label {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-2);
  font-size: 14px;
}

.restore-row {
  display: flex;
  gap: 8px;
  max-width: 440px;
}

.restore-row input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

.allowance {
  margin-top: 6px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent-soft);
}

.allowance > .eyebrow {
  color: var(--accent);
}

.allowance p {
  margin: 6px 0 12px;
  color: var(--ink-2);
}

.allowance-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.allowance .allowance-note {
  margin: 12px 0 0;
  color: var(--ink-3);
  font-size: 13.5px;
}

.allowance-chip {
  margin-left: auto;
  margin-right: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: none;
  color: var(--ink-3);
  font-size: 12.5px;
}

.sources {
  max-width: 560px;
  margin: 12px auto 0;
  color: var(--ink-3);
  font-size: 13px;
  text-align: left;
}

.sources summary {
  cursor: pointer;
}

.sources ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

/* ── Legal pages ── */

.legal {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.legal h1 {
  margin-top: 24px;
  font-size: clamp(32px, 5vw, 42px);
}

.legal h2 {
  margin: 32px 0 6px;
  font-size: 21px;
}

.legal p {
  color: var(--ink-2);
  line-height: 1.65;
}

.legal-lede {
  font: 400 19px/1.55 var(--serif);
  color: var(--ink) !important;
}

.legal-meta {
  margin-top: 48px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.lit-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  margin-top: 14px;
}

/* ── Explore: search, listings and the star card ─────────────────────── */

.explore h1 {
  font-size: clamp(30px, 5vw, 40px);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--ink-3);
}

.crumbs a {
  color: var(--ink-2);
}

.search-box {
  position: sticky;
  top: calc(var(--topbar) + 8px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 8px;
  padding: 0 16px;
  min-height: 52px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--raised);
  box-shadow: var(--shadow);
}

.search-box:focus-within {
  border-color: var(--accent);
}

.search-icon {
  color: var(--ink-3);
  font-size: 20px;
}

.search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 400 16px var(--sans);
  outline: none;
}

.search-results {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.search-empty {
  color: var(--ink-2);
  margin: 10px 2px;
}

.result-group {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.result-head {
  font: 600 12px var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin: 40px 0 14px;
}

.section-head .paths-h2 {
  margin: 0;
}

.section-head .link-quiet {
  margin-left: auto;
}

.explore-count {
  color: var(--ink-3);
  font-size: 13.5px;
}

.explore-head {
  display: grid;
  gap: 6px;
  justify-items: start;
  margin-bottom: 18px;
}

.explore-head .page-sub {
  margin: 0;
}

.star-list,
.row-list {
  display: grid;
  gap: 8px;
}

.star-card,
.place-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  text-decoration: none;
}

.star-card:hover,
.place-row:hover {
  border-color: var(--c, var(--accent));
}

.star-card-mark {
  flex: none;
  width: 18px;
  color: var(--ink-3);
  text-align: center;
}

.star-card.is-lit .star-card-mark {
  color: var(--star-lit);
}

.star-card-body,
.place-row > span:not(.dot):not(.mark):not(.pattern-glyph) {
  display: grid;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.star-card-title {
  font: 500 16.5px/1.3 var(--serif);
}

.star-card-meta,
.row-note {
  color: var(--ink-3);
  font-size: 13px;
}

.place-row strong {
  font: 500 16.5px/1.3 var(--serif);
}

.place-row .dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c);
}

.place-row .mark {
  flex: none;
  color: var(--accent);
}

.star-card.is-compact {
  padding: 8px 10px;
  border-radius: 10px;
}

.star-card.is-compact .star-card-title {
  font-size: 15px;
}

/* A small arrow pointing the pattern's way on every compass. */
.pattern-glyph {
  flex: none;
  position: relative;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
}

.pattern-glyph::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 1.5px;
  background: var(--c, var(--accent));
  transform-origin: 0 50%;
  transform: rotate(var(--a, 0rad));
}

.pattern-glyph.is-big {
  width: 34px;
  height: 34px;
}

.pattern-glyph.is-big::after {
  width: 15px;
  height: 2px;
}

.pattern-card .pattern-glyph {
  margin-bottom: 8px;
}

.pattern-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
  color: var(--ink-2);
}

.star-cons a {
  color: inherit;
}

.crumb-sep {
  color: var(--ink-3);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.field-tile {
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--c);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

.field-tile strong {
  font: 500 19px/1.25 var(--serif);
}

.field-tile:hover {
  border-color: var(--c);
}

.area-row,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.area-chip,
.filter-chip,
.filter-select {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  font: 400 14px var(--sans);
  text-decoration: none;
}

.filter-chip.is-on {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.filter-select {
  padding-right: 10px;
}

.chip-count {
  color: var(--ink-3);
  font-size: 12.5px;
}

.filter-row {
  margin: 4px 0 12px;
}

.subject-block {
  margin-top: 8px;
}

.subject-block .section-head {
  margin: 28px 0 10px;
}

.subject-block .paths-h2 a {
  color: inherit;
}

.subject-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.list-more {
  justify-self: start;
  margin-top: 12px;
}

.search-topic {
  margin-top: 18px;
}

.explore-sections .cons-new {
  margin-top: 36px;
}

.pick-panel {
  display: grid;
  gap: 6px;
  width: min(340px, 84vw);
}

.pick-panel .focus-heading {
  margin: 6px 4px 0;
}

.focus-more {
  display: inline-block;
  margin: 2px 6px 6px;
}

.path-count {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 13.5px;
}

.star-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 40px 4px;
  color: var(--ink-2);
}

.load-error {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-2);
}

.twin-all {
  display: inline-block;
  margin: 4px 0 8px;
}

/* ── The sky at scale: subject names, and less detail when far away ───── */

.map-subject {
  fill: var(--c);
  font: 500 calc(12px / var(--k, 1)) var(--sans);
  opacity: 0.85;
}

.map-svg.is-far .map-subject {
  display: none;
}

.map-svg.is-far .map-label {
  font-size: calc(13px / var(--k, 1));
}

@media (max-width: 560px) {
  .view-bar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .section-head .link-quiet {
    margin-left: 0;
  }
}

.search-topic.cons-card {
  flex-direction: row;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-style: dashed;
  text-align: left;
}

.search-topic h3 {
  font-size: 16.5px;
}

.search-topic p {
  display: none;
}

.search-topic .cons-new-plus {
  font-size: 20px;
  line-height: 1;
}

/* On a phone, a menu opens across the full width of its bar, wherever its button sits. */
@media (max-width: 560px) {
  .view-bar {
    position: relative;
  }

  .view-bar .focus-menu {
    position: static;
  }

  .view-bar .focus-panel {
    left: 0;
    right: 0;
    width: auto;
    min-width: 0;
  }
}

/* Reusable frame and Fourier-pair instruments, inside the shared learning frame. */
.physics-scene { display:block; width:100%; height:auto; overflow:hidden; background:var(--surface-2); border:1px solid var(--line); border-radius:3px; margin:16px 0; }
.physics-svg-label { fill:var(--ink); font:15px var(--sans); }
.physics-line { stroke:var(--ink-3); stroke-width:2; }
.physics-car { fill:var(--surface); stroke:var(--ink-2); stroke-width:2; }
.physics-car.is-other { fill:var(--accent-soft); }
.physics-wheel { fill:var(--ink-2); }
.physics-pulse { fill:var(--accent); stroke:var(--surface); stroke-width:2; }
.physics-light-path,.physics-trace,.physics-distribution,.physics-wave,.physics-envelope { fill:none; stroke:var(--accent); stroke-width:2.5; }
.physics-trace { stroke-dasharray:5 3; }
.physics-distribution { stroke:var(--sky); }
.physics-wave { stroke:var(--ink-2); stroke-width:1; }
.physics-envelope { stroke:var(--accent); stroke-dasharray:5 4; }
.physics-flash-ring { fill:none; stroke:var(--accent); stroke-width:2; opacity:.6; }
.physics-observer { fill:var(--sky); }
.physics-other-observer { fill:var(--accent); }
.physics-sample { fill:var(--accent); stroke:var(--surface); stroke-width:1; }
.physics-actions,.physics-views { display:flex; flex-wrap:wrap; gap:9px; margin:16px 0; }
.physics-views .btn[aria-pressed='true'] { background:var(--accent-soft); border-color:var(--accent); }
.physics-readouts { font-size:14px; line-height:1.7; font-variant-numeric:tabular-nums; }
.physics-readouts p { margin:10px 0; overflow-wrap:anywhere; }
.physics-panels { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:12px; }
.physics-choices { display:flex; flex-wrap:wrap; width:100%; gap:12px; border:1px solid var(--line); padding:12px; }
.physics-choices label,.physics-sound { display:flex; gap:8px; align-items:center; min-height:44px; }
.physics-lab > .btn-primary { margin-top:16px; }
.chart-line.is-total { stroke:var(--ink); stroke-width:3; }
.legend-item.is-total::before { background:var(--ink); }
@media(max-width:720px) {
 .physics-panels { grid-template-columns:minmax(0,1fr); gap:0; }
 .physics-views .btn { flex:1 1 100px; min-height:44px; padding:10px; }
 .physics-lab .physics-actions .btn { min-height:44px; }
 .physics-readouts { font-size:13px; }
 .physics-scene { margin-block:12px; }
}
@media(max-width:720px) {
 .physics-svg-label { font-size:21px; }
}
.physics-inset { fill:var(--surface); stroke:var(--line-2); }
/* Status-only toast messages must not swallow the learner's next tap. */
.toast { pointer-events:none; }
@media(max-width:720px) { .chart-tick { font-size:18px; } }

/* Exact figures stay available without interrupting the first comparison. */
.physics-numbers { border-top:1px solid var(--line); margin-top:14px; padding-top:8px; }
.physics-numbers summary { cursor:pointer; min-height:44px; display:list-item; align-content:center; color:var(--ink-2); font-size:13px; }
.physics-numbers[open] { padding-bottom:12px; }
.physics-numbers .plot-readout { display:block; margin:8px 0; }
.chart-minimum { fill:var(--surface); stroke:var(--ink); stroke-width:3; }

.physics-spread-bar { stroke-width:8; stroke-linecap:round; }

.physics-panels > .physics-scene:only-child { max-width:760px; justify-self:center; }

/* Scene: trains (scenes/trains.js) */
.trains-scene{max-width:640px;margin:0 auto;padding:4px 0}@media(max-width:700px){.trains-scene{padding:4px 18px}}.tr-stage{display:grid;gap:16px}
.tr-kicker{font:500 11px/1.6 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.tr-scene{font-size:17px;line-height:1.65;margin:0}
.tr-carriage,.tr-platform{width:100%;height:auto;display:block;background:color-mix(in srgb,#c3c7cf 22%,var(--bg));border-radius:10px;touch-action:none}
.tr-drag{cursor:ew-resize}
.tr-wall{fill:var(--surface);stroke:var(--line-2);stroke-width:2}.tr-blind{stroke:var(--line-2);stroke-width:3}.tr-table{fill:var(--ink-3)}.tr-floor{stroke:var(--ink-3);stroke-width:2}
.tr-hand{fill:color-mix(in srgb,var(--accent) 35%,var(--surface));stroke:var(--ink-3)}.tr-ball{fill:var(--accent)}.tr-wheel{fill:var(--ink-3)}
.tr-marker{fill:var(--ink)}.tr-ghost{fill:none;stroke:var(--ink-3);stroke-dasharray:3 3;stroke-width:1.5}
.tr-note{font:500 11px var(--sans);fill:var(--ink-3)}.tr-note.is-strong{fill:var(--ink)}
.tr-arc{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-dasharray:6 5}
.tr-regions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.tr-region{min-height:46px;border:1px solid var(--line-2);border-radius:6px;background:var(--surface);color:var(--ink);font:500 14px var(--sans);cursor:pointer}.tr-region[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.tr-caption{font-size:16px;line-height:1.6;margin:0;min-height:1.6em}
.tr-speed{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;font-size:14px}
.tr-after{display:grid;gap:10px}.tr-insight{font:400 20px/1.5 var(--serif);margin:0}.tr-bet{color:var(--ink-2);margin:0}
.tr-zoom{list-style:none;padding:0;margin:0;display:grid;gap:14px}.tr-zoom li{display:grid;grid-template-columns:1fr auto;gap:4px 14px;padding:14px 0;border-top:1px solid var(--line);animation:tr-in .5s ease-out}
.tr-zoom-label{font-size:14px;color:var(--ink-2)}.tr-zoom-value{font:400 30px/1.1 var(--serif);text-align:right}
.tr-zoom-bar{grid-column:1/-1;height:6px;border-radius:3px;background:linear-gradient(90deg,var(--accent) var(--w),var(--line) var(--w))}
.tr-zoom-desk{grid-column:1/-1;font-size:13px;color:var(--ink-3)}
.tr-outro{font:400 24px/1.35 var(--serif);margin:10px 0}
.tr-pendulum-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tr-pendulum{margin:0;text-align:center;font-size:13px;color:var(--ink-2)}.tr-pendulum svg{width:100%;max-width:150px}
.tr-dial{fill:var(--surface);stroke:var(--line-2)}.tr-swing{stroke:var(--accent);stroke-width:3;stroke-linecap:round}
.tr-note-line{font-size:12px;color:var(--ink-3);text-align:center;margin:0}
.tr-difference{display:grid;gap:10px;margin-top:10px}.tr-difference h3{margin:6px 0 0}.tr-holds{color:var(--ink-2);margin:0}
.tr-choice{text-align:left;padding:14px;border:1px solid var(--line-2);border-radius:6px;background:var(--surface);color:var(--ink);font:400 15px/1.5 var(--sans);cursor:pointer}.tr-choice[aria-pressed=true]{border-color:var(--ink)}
.tr-reply{font-size:15px;line-height:1.6;margin:0}.tr-hidden{padding:30px 16px;text-align:center;color:var(--ink-3);border:1px dashed var(--line-2);border-radius:10px;margin:0}
@keyframes tr-in{from{opacity:0;transform:translateY(8px)}}
@media(prefers-reduced-motion:reduce){.tr-zoom li{animation:none}}

/* After the turn: a quiet place to stop (app.js turnExit). */
.turn-slot:not(:empty) { padding: 0 var(--journey-pad, 24px) 24px; }
.deeper { padding: 30px var(--journey-pad, 24px); }
.turn-exit { margin: 0; padding: 16px 18px; border-left: 2px solid var(--accent); background: var(--accent-soft); border-radius: 0 4px 4px 0; }
.turn-exit p { margin: 0 0 8px; font-size: 15px; line-height: 1.55; color: var(--ink-2); }
.turn-exit strong { color: var(--ink); }

/* A lit star, reopened (app.js deeperView). */
.deeper-head { margin: 8px 0 28px; }
.deeper-head h2 { font: 400 clamp(26px, 3.2vw, 36px)/1.2 var(--serif); letter-spacing: -0.02em; margin: 8px 0 22px; color: var(--ink); }
.deeper-part { margin: 0 0 22px; }
.deeper-part p { margin: 6px 0 0; font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.deeper-replay { display: inline-block; margin-top: 14px; }

/* Persistent purchase and creation status stays readable in narrow drawers. */
.payment-notice { padding:14px; margin:12px 0; border:1px solid var(--line-2); border-radius:8px; background:var(--surface); color:var(--ink); }
.payment-notice p { margin:0 0 10px; line-height:1.5; overflow-wrap:anywhere; }
.composer-expectation { color:var(--ink-2); font-size:13px; line-height:1.5; margin:0 0 14px; }

.plans-status:not(:empty) { padding:12px 0; color:var(--ink); line-height:1.5; overflow-wrap:anywhere; }