@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Sora:wght@500;600;700&display=swap");

:root {
  --bg-card: rgba(9, 24, 35, 0.72);
  --line: rgba(141, 188, 209, 0.23);
  --text: #edf6fb;
  --muted: #a8bfcc;
  --brand: #23b0d1;
  --brand-soft: #74d8ea;
  --accent: #ffc06e;
  --danger: #ff6b6b;
  --ok: #84d190;
  --viz-compare: #ffe07a;
  --viz-swap: #ff9d68;
  --viz-overwrite: #7fd5ff;
  --viz-pivot: #ff6f61;
  --viz-sorted: #8de2a3;
  --viz-active: #f2f8ff;
  --home-cool: #63d6d1;
  --home-cool-soft: #2e8ea6;
  --home-warm: #ffb368;
  --home-warm-soft: #d88344;
  --shadow: 0 24px 62px rgba(0, 0, 0, 0.34);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --space-xs: 10px;
  --space-sm: 14px;
  --space-md: 18px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 44px;
  --space-3xl: 56px;
  --copy-measure: 66ch;
  --copy-measure-wide: 74ch;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 16% 18%, rgba(33, 105, 146, 0.45), transparent 34%),
    radial-gradient(circle at 82% 6%, rgba(255, 150, 76, 0.32), transparent 28%),
    linear-gradient(156deg, #05090e 0%, #07111a 48%, #03070c 100%);
  color: var(--text);
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.68;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "Sora", "Manrope", sans-serif;
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.74;
  max-width: var(--copy-measure);
  text-wrap: pretty;
}

a {
  color: inherit;
}

code {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, monospace;
}

.bg-shape {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.65;
  pointer-events: none;
}

.bg-shape-a {
  width: 34vw;
  height: 34vw;
  min-width: 280px;
  min-height: 280px;
  top: -10vw;
  left: -6vw;
  background: radial-gradient(circle at 35% 30%, rgba(18, 181, 166, 0.38), transparent 70%);
  animation: floatA 16s ease-in-out infinite alternate;
}

.bg-shape-b {
  width: 38vw;
  height: 38vw;
  min-width: 300px;
  min-height: 300px;
  right: -12vw;
  bottom: -16vw;
  background: radial-gradient(circle at 40% 45%, rgba(242, 158, 76, 0.3), transparent 72%);
  animation: floatB 18s ease-in-out infinite alternate;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 25%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.app-shell {
  position: relative;
  z-index: 1;
  padding: 34px clamp(20px, 3.4vw, 52px) 72px;
  max-width: 1540px;
  margin: 0 auto;
}

.glass-card {
  background: linear-gradient(160deg, var(--bg-card), rgba(4, 16, 24, 0.78));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.5fr) minmax(220px, 0.8fr);
  gap: 18px;
  align-items: start;
  padding: 16px 18px;
  margin-bottom: 24px;
  border: 1px solid rgba(141, 188, 209, 0.24);
  animation: fadeSlideIn 420ms ease-out both;
}

.brand {
  display: grid;
  gap: 4px;
}

.brand h1 {
  font-size: clamp(1.05rem, 2vw, 1.52rem);
  letter-spacing: -0.02em;
}

.brand-sub {
  margin-top: 2px;
  font-size: 0.76rem;
  color: #84aec3;
}

.eyebrow {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.62rem;
  color: var(--brand-soft);
  margin-bottom: 2px;
}

.main-nav {
  display: grid;
  gap: 10px;
  justify-items: start;
  min-width: 0;
}

.main-nav-primary,
.main-nav-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
}

.main-nav-secondary {
  gap: 10px;
  padding-top: 6px;
  border-top: 1px solid rgba(141, 188, 209, 0.14);
  width: 100%;
}

.nav-link,
.subnav-link {
  color: #9db7c6;
  text-decoration: none;
  border: 1px solid rgba(142, 183, 202, 0.22);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
  font-size: 0.81rem;
  line-height: 1;
  transition: all 180ms ease;
  background: rgba(11, 28, 39, 0.42);
}

.subnav-link {
  padding: 8px 12px;
  font-size: 0.76rem;
  color: #91b0c1;
  border-radius: 12px;
  background: rgba(10, 29, 40, 0.68);
}

.nav-link:hover,
.nav-link.is-active,
.subnav-link:hover,
.subnav-link.is-active {
  color: var(--text);
  border-color: rgba(114, 211, 237, 0.52);
  background: rgba(24, 132, 169, 0.28);
}

.route-title-box {
  display: grid;
  gap: 5px;
  align-content: start;
  padding: 12px 14px;
  border: 1px solid rgba(141, 188, 209, 0.18);
  border-radius: 14px;
  background: rgba(8, 24, 35, 0.56);
  color: var(--muted);
  font-size: 0.72rem;
}

.route-title-box span {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8ecddd;
}

.route-title-box strong {
  display: block;
  color: var(--text);
  font-size: 1rem;
  margin-top: 0;
}

.route-summary {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #9fbdcb;
  max-width: 28ch;
}

.main-content {
  animation: fadeSlideIn 420ms ease-out both;
  display: grid;
  gap: 26px;
}

.home-shell {
  display: grid;
  gap: 30px;
}

.home-quick-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1120px;
}

.home-quick-grid .theory-mini-card strong {
  font-size: 1.06rem;
}

.home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(32px, 4.4vw, 52px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(136, 208, 216, 0.34);
  background: linear-gradient(142deg, rgba(6, 23, 34, 0.92) 0%, rgba(9, 38, 52, 0.86) 55%, rgba(23, 29, 22, 0.84) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 26px 56px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.home-hero::before,
.home-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.home-hero::before {
  width: 320px;
  height: 320px;
  left: -96px;
  bottom: -176px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255, 188, 116, 0.24), transparent 68%);
  filter: blur(3px);
}

.home-hero::after {
  width: 420px;
  height: 260px;
  right: -120px;
  top: -96px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(84, 214, 205, 0.3), transparent 68%);
}

.home-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 16px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(144, 220, 230, 0.38);
  background: rgba(18, 65, 78, 0.42);
  font-size: 0.68rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: #bdebf4;
  font-weight: 700;
}

.home-hero h1 {
  font-size: clamp(2rem, 4.9vw, 4.15rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 12ch;
  margin-bottom: 18px;
  text-wrap: balance;
}

.home-lead {
  max-width: var(--copy-measure);
  color: #bfd5df;
  font-size: clamp(1rem, 1.65vw, 1.15rem);
  text-wrap: pretty;
}

.home-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.home-actions .btn {
  background: linear-gradient(140deg, rgba(14, 52, 66, 0.72), rgba(12, 35, 47, 0.84));
  border-color: rgba(136, 208, 216, 0.34);
}

.home-actions .btn:hover:not(:disabled) {
  border-color: rgba(168, 228, 235, 0.62);
  background: linear-gradient(140deg, rgba(18, 67, 83, 0.76), rgba(14, 45, 58, 0.9));
}

.home-actions .btn-primary {
  background: linear-gradient(134deg, rgba(83, 207, 198, 0.45), rgba(236, 149, 83, 0.42));
  border-color: rgba(182, 232, 211, 0.62);
}

.home-route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 1120px;
}

.home-route-card {
  appearance: none;
  position: relative;
  overflow: hidden;
  width: 100%;
  text-align: left;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 204, 219, 0.26);
  background: linear-gradient(166deg, rgba(10, 32, 45, 0.86), rgba(6, 18, 27, 0.94));
  color: var(--text);
  padding: 24px;
  min-height: 164px;
  display: grid;
  align-content: start;
  gap: 12px;
  cursor: pointer;
  transition: transform 200ms ease, border-color 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
  animation: fadeSlideIn 340ms ease-out both;
}

.home-route-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--home-cool) 0%, var(--home-warm) 100%);
}

.home-route-card::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  right: -78px;
  bottom: -116px;
  border-radius: 50%;
  opacity: 0.38;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(99, 214, 209, 0.4), transparent 74%);
}

.home-route-card:nth-child(1) {
  animation-delay: 40ms;
}

.home-route-card:nth-child(2) {
  animation-delay: 110ms;
}

.home-route-card:nth-child(3) {
  animation-delay: 180ms;
}

.home-route-card:nth-child(4) {
  animation-delay: 250ms;
}

.home-route-card:nth-child(5) {
  animation-delay: 320ms;
}

.home-route-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--home-cool-soft) 0%, var(--home-cool) 100%);
}

.home-route-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--home-warm-soft) 0%, var(--home-warm) 100%);
}

.home-route-card:nth-child(4)::before {
  background: linear-gradient(90deg, rgba(105, 229, 187, 0.96) 0%, rgba(85, 201, 224, 0.96) 100%);
}

.home-route-card:nth-child(5)::before {
  background: linear-gradient(90deg, rgba(255, 123, 123, 0.96) 0%, rgba(255, 193, 95, 0.96) 100%);
}

.home-route-card:hover {
  transform: translateY(-4px);
  border-color: rgba(156, 220, 233, 0.5);
  box-shadow: 0 14px 30px rgba(2, 8, 12, 0.48);
}

.home-route-card h3 {
  margin: 0;
  font-size: 1.08rem;
  letter-spacing: -0.015em;
}

.home-route-card p {
  margin: 0;
  font-size: 0.91rem;
  color: #a9c2ce;
  max-width: 36ch;
}

.home-hero-v3 {
  padding-bottom: clamp(24px, 3vw, 34px);
}

.home-stat-strip {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.home-stat-box {
  border-radius: 12px;
  border: 1px solid rgba(149, 206, 221, 0.24);
  background: rgba(9, 30, 43, 0.68);
  padding: 10px 11px;
  display: grid;
  gap: 2px;
}

.home-stat-box span {
  font-size: 0.72rem;
  color: #9dbdcb;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.home-stat-box strong {
  font-size: 1.34rem;
  line-height: 1.06;
}

.home-route-grid-v3 {
  gap: 15px;
}

.home-route-card-v3 {
  min-height: 154px;
  padding: 18px 20px 20px;
  gap: 8px;
}

.home-route-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(147, 212, 224, 0.36);
  background: rgba(16, 56, 72, 0.58);
  color: #b8e4ee;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.home-route-card-v3 h3 {
  font-size: 1.14rem;
}

.home-history-panel {
  padding: 24px 26px;
  border: 1px solid rgba(148, 204, 219, 0.24);
  background: linear-gradient(164deg, rgba(8, 26, 37, 0.84), rgba(5, 16, 23, 0.94));
  display: grid;
  gap: 20px;
}

.home-history-head {
  display: grid;
  gap: 12px;
}

.home-history-kicker {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9fd5dc;
}

.home-history-head h2 {
  font-size: clamp(1.34rem, 2.5vw, 1.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.home-history-head p {
  max-width: var(--copy-measure-wide);
  color: #a9c5d0;
  font-size: 0.96rem;
  line-height: 1.72;
}

.home-history-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 16px;
  align-items: start;
}

.home-history-main {
  display: grid;
  gap: 12px;
}

.home-history-main p {
  color: #a6c1cb;
  font-size: 0.9rem;
  line-height: 1.64;
}

.home-history-timeline {
  display: grid;
  gap: 8px;
}

.home-history-item {
  position: relative;
  border: 1px solid rgba(150, 205, 219, 0.2);
  border-radius: 11px;
  background: rgba(9, 31, 44, 0.74);
  padding: 10px 11px 10px 64px;
}

.home-history-item span {
  position: absolute;
  left: 11px;
  top: 11px;
  min-width: 44px;
  text-align: center;
  border-radius: 8px;
  border: 1px solid rgba(146, 209, 221, 0.32);
  background: rgba(12, 56, 72, 0.58);
  color: #bde6ef;
  padding: 3px 6px;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.home-history-item p {
  margin: 0;
  color: #b2ced8;
  font-size: 0.86rem;
  line-height: 1.5;
}

.home-history-item strong {
  color: #e3f7ff;
}

.home-history-item code {
  color: #d2f4ff;
  background: rgba(51, 157, 183, 0.2);
  border: 1px solid rgba(123, 195, 219, 0.26);
  border-radius: 6px;
  padding: 1px 5px;
  font-size: 0.72rem;
}

.home-history-side {
  border: 1px solid rgba(147, 203, 218, 0.22);
  border-radius: 12px;
  background: rgba(8, 29, 41, 0.74);
  padding: 16px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.home-history-side h3 {
  font-size: 1rem;
}

.home-history-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.home-history-list li {
  border: 1px solid rgba(145, 204, 218, 0.2);
  border-radius: 10px;
  background: rgba(11, 38, 53, 0.72);
  padding: 8px 9px;
  display: grid;
  gap: 2px;
}

.home-history-list strong {
  font-size: 0.84rem;
}

.home-history-list span {
  color: #9ebdca;
  font-size: 0.78rem;
  line-height: 1.43;
}

.home-history-side-note {
  margin: 0;
  font-size: 0.8rem;
  color: #93b6c3;
}

.home-theory-btn.btn {
  min-height: 40px;
  padding: 8px 14px;
  white-space: nowrap;
}

.home-hero-v4 {
  padding: clamp(34px, 4.4vw, 50px);
}

.home-hero-v4 h1 {
  max-width: 11ch;
}

.home-factline {
  margin: 4px 0 0;
  color: #a8c8d6;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.home-route-grid-v4 {
  margin-top: 4px;
  gap: 18px;
}

.home-route-card-v4 {
  min-height: 176px;
  padding: 22px 24px;
  gap: 10px;
}

.home-route-card-v4 p {
  max-width: 40ch;
}

.home-history-panel-v4 {
  padding: clamp(28px, 3vw, 36px);
  gap: 20px;
}

.home-history-panel-v4 .home-history-head {
  gap: 12px;
}

.home-history-copy {
  display: grid;
  gap: 18px;
  max-width: var(--copy-measure-wide);
}

.home-history-copy p {
  margin: 0;
  color: #aec8d3;
  font-size: 1rem;
  line-height: 1.76;
}

.home-history-milestones {
  margin: 6px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.home-history-milestones li {
  margin: 0;
  padding: 8px 0 8px 16px;
  border-left: 2px solid rgba(117, 197, 216, 0.46);
  color: #c0d9e2;
  font-size: 0.94rem;
  line-height: 1.64;
  background: transparent;
  border-radius: 0;
}

.home-history-milestones strong {
  color: #e8f9ff;
}

.home-history-milestones code {
  color: #d6f5ff;
  background: rgba(48, 143, 169, 0.24);
  border: 1px solid rgba(107, 180, 208, 0.32);
  border-radius: 6px;
  padding: 1px 5px;
  font-size: 0.76rem;
}

.home-history-footer {
  margin-top: 6px;
  color: #92b8c8;
  font-style: italic;
}

.search-shell {
  display: grid;
  gap: 28px;
}

.search-hero {
  padding: clamp(28px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.95fr);
  gap: 24px;
  border: 1px solid rgba(129, 217, 231, 0.28);
}

.search-hero-copy {
  display: grid;
  gap: 14px;
  max-width: var(--copy-measure);
}

.search-hero-actions {
  margin-top: 4px;
}

.search-hero-side {
  display: grid;
  gap: 16px;
}

.search-hero-stat {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(149, 201, 219, 0.22);
  background: linear-gradient(165deg, rgba(9, 31, 45, 0.74), rgba(6, 17, 25, 0.86));
  display: grid;
  gap: 6px;
}

.search-hero-stat span {
  font-size: 0.77rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #87b7c8;
}

.search-hero-stat strong {
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 1.55rem;
  color: #f2fbff;
}

.search-hero-stat small {
  color: #9dbfcd;
  font-size: 0.84rem;
  line-height: 1.45;
}

.search-main-stack {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.search-analysis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 22px;
}

.search-code-card,
.search-insight-card {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.search-insight-head {
  display: grid;
  gap: 6px;
}

.search-insight-head h3 {
  font-size: 1.1rem;
}

.search-chip-row {
  margin-top: -2px;
}

.search-insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.search-insight-grid .metric-card {
  min-height: 0;
}

.search-methods-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
}

.search-method-card {
  padding: 20px 22px;
  display: grid;
  gap: 14px;
  border: 1px solid rgba(151, 202, 221, 0.22);
  background: linear-gradient(164deg, rgba(8, 24, 35, 0.88), rgba(7, 18, 26, 0.94));
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.search-method-card:hover {
  transform: translateY(-2px);
  border-color: rgba(134, 223, 239, 0.48);
}

.search-method-card.is-active {
  border-color: rgba(120, 222, 240, 0.62);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.28), inset 0 0 0 1px rgba(120, 222, 240, 0.16);
}

.search-method-card-head {
  display: grid;
  gap: 8px;
}

.search-method-tag {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(149, 208, 225, 0.28);
  background: rgba(10, 37, 50, 0.78);
  color: #a4dcec;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-method-card h3 {
  font-size: 1.02rem;
}

.search-method-card p {
  color: #a9c5d2;
  font-size: 0.87rem;
  line-height: 1.56;
  max-width: 28ch;
}

.search-method-card .cmp-stack {
  margin-top: 2px;
}

.search-detail-card {
  min-height: 110px;
}

.search-settings #sm-custom-wrap[hidden] {
  display: none;
}


.workspace-grid {
  display: grid;
  grid-template-columns: minmax(260px, clamp(280px, 27vw, 390px)) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}

.workspace-grid > * {
  min-width: 0;
}

.control-panel,
.compare-controls,
.benchmark-controls {
  padding: 24px;
  display: grid;
  gap: 18px;
  align-content: start;
  position: sticky;
  top: 24px;
}

.panel-heading {
  display: grid;
  gap: 10px;
}

.panel-heading p {
  max-width: 34ch;
}

.control-section {
  display: grid;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(151, 196, 216, 0.18);
  border-radius: 16px;
  background: linear-gradient(168deg, rgba(7, 24, 35, 0.7), rgba(5, 16, 24, 0.82));
}

.control-section-head {
  display: grid;
  gap: 6px;
}

.control-section-head h3 {
  font-size: 0.96rem;
  color: #d7edf7;
}

.control-section-kicker {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #8bcfdc;
}

.control-section > label,
.control-section > fieldset {
  border: none;
  background: transparent;
  padding: 0;
}

.control-section > fieldset {
  display: grid;
  gap: 12px;
}

.control-section .button-row {
  margin-top: 2px;
}

.control-section .caption,
.control-section .description {
  max-width: 36ch;
}

.vz-settings,
.cmp-settings,
.benchmark-controls {
  border: 1px solid rgba(152, 205, 226, 0.24);
}

.control-panel h3,
.compare-controls h3 {
  font-size: 0.98rem;
  color: #cfe8f2;
}

.control-panel > label,
.compare-controls > label,
.benchmark-controls > label,
.control-panel > fieldset,
.compare-controls > fieldset,
.benchmark-controls > fieldset {
  border: 1px solid rgba(151, 196, 216, 0.22);
  border-radius: var(--radius-md);
  background: linear-gradient(168deg, rgba(6, 22, 32, 0.78), rgba(4, 14, 21, 0.86));
  padding: 14px 16px;
}

.control-panel > label:focus-within,
.compare-controls > label:focus-within,
.benchmark-controls > label:focus-within,
.control-panel > fieldset:focus-within,
.compare-controls > fieldset:focus-within,
.benchmark-controls > fieldset:focus-within {
  border-color: rgba(131, 222, 241, 0.56);
  box-shadow: 0 0 0 1px rgba(131, 222, 241, 0.24);
}

.control-panel hr,
.compare-controls hr,
.benchmark-controls hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  width: 100%;
  margin: 2px 0;
}

label,
legend {
  font-size: 0.94rem;
  color: #c5d4dc;
  line-height: 1.4;
}

label {
  display: grid;
  gap: 6px;
}

select,
input,
textarea,
button {
  font: inherit;
}

select,
input[type="number"],
textarea {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(151, 196, 216, 0.34);
  background: rgba(6, 19, 28, 0.82);
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.93rem;
}

textarea {
  min-height: 88px;
  resize: vertical;
}

.input-pair {
  display: grid;
  grid-template-columns: 1fr minmax(88px, 118px);
  gap: 10px;
  align-items: center;
}

input[type="number"] {
  min-height: 40px;
  padding: 0 10px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

input[type="checkbox"] {
  accent-color: var(--brand);
}

fieldset {
  border: 1px solid rgba(158, 198, 216, 0.3);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 0;
}

.check-list {
  display: grid;
  gap: 12px;
  max-height: 260px;
  overflow: auto;
  padding-right: 3px;
}

.check-list label {
  display: flex;
  align-items: center;
  gap: 7px;
}

.sound-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: #b9cfd9;
}

.inline-check input {
  width: auto;
  margin: 0;
}

.sound-legend {
  font-size: 0.76rem;
  color: #86a9b9;
  margin: 0;
}

.sound-status {
  margin: 0;
  border-radius: 999px;
  border: 1px solid rgba(129, 195, 213, 0.28);
  background: rgba(8, 28, 40, 0.7);
  padding: 4px 10px;
  font-size: 0.77rem;
  line-height: 1.35;
  color: #c2e5f2;
  width: fit-content;
  max-width: 100%;
}

.sound-status.tone-on {
  border-color: rgba(118, 223, 193, 0.42);
  color: #d9fff0;
}

.sound-status.tone-off {
  border-color: rgba(255, 151, 151, 0.42);
  color: #ffd9d9;
}

.sound-status.tone-ready {
  border-color: rgba(254, 203, 132, 0.5);
  color: #ffe0aa;
}

.keyboard-hint {
  margin: -2px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(133, 198, 216, 0.24);
  border-radius: 10px;
  background: rgba(8, 28, 40, 0.62);
  padding: 7px 10px;
  font-size: 0.74rem;
  color: #a8cfdd;
  letter-spacing: 0.01em;
}

.keyboard-hint kbd {
  border: 1px solid rgba(139, 204, 221, 0.34);
  background: rgba(20, 55, 73, 0.9);
  border-radius: 6px;
  padding: 1px 7px;
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 0.69rem;
  line-height: 1.4;
  color: #d9f1f9;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid rgba(150, 193, 211, 0.3);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  min-height: 42px;
  cursor: pointer;
  transition: all 160ms ease;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.15;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(133, 211, 236, 0.56);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  border-color: rgba(103, 212, 236, 0.62);
  background: linear-gradient(132deg, rgba(35, 176, 209, 0.35), rgba(35, 176, 209, 0.52));
}

.btn-primary:hover:not(:disabled) {
  border-color: rgba(131, 222, 241, 0.72);
  background: linear-gradient(132deg, rgba(35, 176, 209, 0.44), rgba(35, 176, 209, 0.62));
}

button:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible,
.subnav-link:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(139, 214, 236, 0.8);
  outline-offset: 2px;
}

.caption {
  font-size: 0.86rem;
  color: #91b2c0;
  line-height: 1.45;
}

.description {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.55;
}

body.app-modal-open {
  overflow: auto;
}

.app-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.app-modal.is-open {
  opacity: 1;
  pointer-events: none;
}

.app-modal-backdrop {
  display: none;
}

.app-modal-card {
  --panel-x: 0px;
  --panel-y: 0px;
  position: absolute;
  left: min(58vw, calc(100vw - 630px));
  top: 92px;
  width: min(590px, 95vw);
  max-height: min(78vh, 760px);
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid rgba(148, 210, 234, 0.28);
  pointer-events: auto;
  transform: translate3d(var(--panel-x), var(--panel-y), 0);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.5);
}

.app-modal-card.is-dragging {
  box-shadow: 0 26px 72px rgba(0, 0, 0, 0.58);
}

.app-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(148, 210, 234, 0.22);
  background: linear-gradient(165deg, rgba(8, 30, 43, 0.84), rgba(7, 18, 27, 0.88));
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.app-modal-card.is-dragging .app-modal-head {
  cursor: grabbing;
}

.app-modal-head h3 {
  margin: 0;
  font-size: 1.02rem;
}

.app-modal-body {
  padding: 18px;
  display: grid;
  gap: 12px;
  overflow: auto;
}

.status-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.status-summary .sound-status {
  flex: 0 1 auto;
}

.status-code-shell {
  border: 1px solid rgba(131, 199, 215, 0.26);
  border-radius: 12px;
  background: linear-gradient(150deg, rgba(8, 24, 36, 0.78), rgba(6, 16, 24, 0.92));
  overflow: hidden;
}

.status-code-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(131, 199, 215, 0.2);
  background: linear-gradient(150deg, rgba(10, 36, 50, 0.76), rgba(8, 22, 31, 0.88));
}

.status-code-head strong {
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.status-code-head .caption {
  margin: 0;
  font-size: 0.72rem;
}

.status-code-block {
  margin: 0;
  padding: 8px 10px 10px;
  max-height: 200px;
  overflow: auto;
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, monospace;
  font-size: 0.74rem;
  line-height: 1.5;
}

.status-code-line {
  display: grid;
  grid-template-columns: 2.4ch 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 1px 4px;
  border-radius: 8px;
  color: #c6dde8;
}

.status-code-line.is-active {
  background: linear-gradient(90deg, rgba(107, 199, 255, 0.23), rgba(84, 214, 205, 0.2));
  color: #f2fbff;
}

.status-code-no {
  color: #7ca8bb;
  font-size: 0.72rem;
  text-align: right;
  user-select: none;
}

.status-code-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.visual-stage {
  padding: 24px;
  display: grid;
  gap: 20px;
  min-width: 0;
}

.visual-canvas,
.mini-canvas {
  width: 100%;
  min-height: clamp(290px, 45vh, 560px);
  border-radius: 14px;
  border: 1px solid rgba(158, 198, 216, 0.24);
  background: linear-gradient(180deg, rgba(6, 20, 29, 0.95), rgba(6, 14, 20, 0.95));
  overflow: hidden;
}

.mini-canvas {
  height: 240px;
  min-height: 240px;
}

.mini-canvas [data-role="canvas"] {
  width: 100%;
  height: 100%;
  min-height: inherit;
}

.mini-canvas .visualizer,
.mini-canvas .visualizer-bars,
.mini-canvas .visualizer-dots,
.mini-canvas .visualizer-radial,
.mini-canvas .visualizer-words {
  height: 100%;
  min-height: 100%;
}

.mini-canvas .visualizer-bars {
  padding: 12px;
  gap: 3px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.metric-card {
  border-radius: 12px;
  background: rgba(6, 25, 36, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.09);
  padding: 14px;
  display: grid;
  gap: 6px;
}

.metric-card span {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8baab9;
}

.metric-card strong {
  font-size: 1.02rem;
}

.metric-card small {
  color: #8baab9;
  font-size: 0.72rem;
}

.metric-card.valid {
  border-color: rgba(132, 209, 144, 0.55);
}

.metric-card.invalid {
  border-color: rgba(255, 107, 107, 0.55);
}

.dataset-preview {
  font-size: 0.84rem;
  color: #8cb0bf;
  overflow-wrap: anywhere;
}

.operation-detail-card {
  border-radius: 12px;
  border: 1px solid rgba(152, 203, 224, 0.24);
  background: linear-gradient(160deg, rgba(8, 34, 49, 0.74), rgba(6, 18, 28, 0.9));
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}

.operation-detail-card .caption {
  margin: 0;
  font-size: 0.69rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #92b9c8;
}

.operation-detail-line,
.operation-next-line {
  margin: 0;
  overflow-wrap: anywhere;
}

.operation-detail-line {
  color: #e8f5fb;
  font-size: 0.92rem;
  line-height: 1.48;
}

.operation-next-line {
  color: #9fbfcc;
  font-size: 0.82rem;
  line-height: 1.42;
}

.sier-shell {
  grid-template-columns: minmax(260px, clamp(300px, 30vw, 420px)) minmax(0, 1fr);
}

.sier-controls {
  border: 1px solid rgba(145, 217, 196, 0.24);
}

#sp-zoom-row .btn {
  min-width: 58px;
  padding-inline: 10px;
}

#sp-zoom-row #sp-zoom-in,
#sp-zoom-row #sp-zoom-out {
  min-width: 44px;
}

.sier-stage {
  min-width: 0;
}

.sier-canvas-shell {
  min-height: clamp(320px, 52vh, 700px);
  border-radius: 14px;
  border: 1px solid rgba(158, 198, 216, 0.24);
  background: linear-gradient(180deg, rgba(6, 20, 29, 0.95), rgba(6, 14, 20, 0.95));
  overflow: hidden;
  position: relative;
  cursor: default;
}

.sier-canvas-shell.is-pan-enabled {
  cursor: grab;
}

.sier-canvas-shell.is-pan-enabled.is-panning {
  cursor: grabbing;
}

.sier-explain {
  gap: 10px;
}

.sier-explain .operation-next-line {
  white-space: pre-line;
}

.sier-code {
  margin-top: 2px;
  max-height: 260px;
  border: 1px solid rgba(129, 199, 215, 0.22);
  border-radius: 10px;
  background: rgba(6, 18, 27, 0.86);
  font-size: 0.77rem;
}

.hanoi-shell {
  grid-template-columns: minmax(280px, clamp(320px, 28vw, 420px)) minmax(0, 1fr);
}

.hanoi-controls {
  border: 1px solid rgba(224, 170, 112, 0.22);
  background:
    radial-gradient(circle at top right, rgba(255, 179, 92, 0.12), transparent 34%),
    linear-gradient(165deg, rgba(9, 28, 39, 0.88), rgba(4, 14, 20, 0.96));
}

.hanoi-controls-head {
  display: grid;
  gap: 8px;
}

.hanoi-stage-stack {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.hanoi-hero-card,
.hanoi-stage-card,
.hanoi-ledger-card {
  position: relative;
  overflow: hidden;
}

.hanoi-hero-card {
  padding: 20px 22px;
  display: grid;
  gap: 10px;
  border: 1px solid rgba(255, 192, 120, 0.24);
  background:
    radial-gradient(circle at right top, rgba(255, 176, 86, 0.2), transparent 34%),
    radial-gradient(circle at left center, rgba(87, 210, 204, 0.18), transparent 36%),
    linear-gradient(155deg, rgba(8, 28, 39, 0.92), rgba(6, 18, 27, 0.98));
}

.hanoi-hero-card::after,
.hanoi-stage-card::after,
.hanoi-ledger-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(68, 203, 227, 0.12), transparent 72%);
  pointer-events: none;
}

.hanoi-hero-card h2 {
  font-size: clamp(1.4rem, 2.5vw, 2.35rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.hanoi-stage-card {
  padding: 16px;
  border: 1px solid rgba(149, 204, 224, 0.24);
  background:
    linear-gradient(180deg, rgba(8, 28, 41, 0.94), rgba(5, 15, 23, 0.98));
}

.hanoi-stage-head {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.hanoi-stage-head > div {
  border: 1px solid rgba(142, 196, 214, 0.18);
  border-radius: 12px;
  background: rgba(7, 24, 35, 0.64);
  padding: 10px 12px;
  display: grid;
  gap: 3px;
}

.hanoi-stage-head strong {
  font-size: 1rem;
  color: #f7fbff;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.hanoi-board-shell {
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(151, 198, 214, 0.2);
  background:
    linear-gradient(180deg, rgba(5, 17, 26, 0.98), rgba(3, 11, 18, 0.98)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  overflow: hidden;
}

.hanoi-board-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(83, 215, 206, 0.16), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(255, 165, 81, 0.15), transparent 30%);
  pointer-events: none;
}

.hanoi-board {
  position: relative;
  min-height: clamp(360px, 58vh, 700px);
  width: 100%;
}

.hanoi-lane {
  position: absolute;
  inset: 0 auto 0 auto;
  width: 33.3333%;
  height: 100%;
}

.hanoi-lane:nth-child(1) {
  left: 0;
}

.hanoi-lane:nth-child(2) {
  left: 33.3333%;
}

.hanoi-lane:nth-child(3) {
  left: 66.6666%;
}

.hanoi-lane-glow {
  position: absolute;
  left: 50%;
  top: 18%;
  width: min(24vw, 180px);
  height: min(44vw, 320px);
  transform: translateX(-50%);
  border-radius: 999px;
  background: radial-gradient(circle at center, rgba(87, 210, 204, 0.12), transparent 72%);
  filter: blur(6px);
}

.hanoi-lane:nth-child(2) .hanoi-lane-glow {
  background: radial-gradient(circle at center, rgba(99, 194, 255, 0.12), transparent 72%);
}

.hanoi-lane:nth-child(3) .hanoi-lane-glow {
  background: radial-gradient(circle at center, rgba(255, 175, 96, 0.12), transparent 72%);
}

.hanoi-rod {
  position: absolute;
  left: calc(50% - 5px);
  bottom: 58px;
  width: 10px;
  height: calc(100% - 136px);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(168, 217, 234, 0.95), rgba(74, 114, 138, 0.92));
  box-shadow: 0 0 0 1px rgba(214, 242, 255, 0.08), 0 0 24px rgba(123, 196, 217, 0.12);
  opacity: 0.72;
}

.hanoi-base {
  position: absolute;
  left: 16%;
  right: 16%;
  bottom: 36px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(64, 112, 142, 0.92), rgba(163, 224, 244, 0.96), rgba(64, 112, 142, 0.92));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.hanoi-tower-label {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #cde7f2;
}

.hanoi-disk {
  --transition-ms: 320ms;
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(5, 13, 20, 0.92);
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
  transform: translate(0, 0);
  transition:
    transform var(--transition-ms) cubic-bezier(0.22, 1, 0.36, 1),
    width var(--transition-ms) cubic-bezier(0.22, 1, 0.36, 1),
    height var(--transition-ms) cubic-bezier(0.22, 1, 0.36, 1),
    line-height var(--transition-ms) cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 180ms ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.hanoi-disk span {
  display: block;
  pointer-events: none;
}

.hanoi-disk.is-compact span {
  opacity: 0;
}

.hanoi-metrics .metric-card {
  background: linear-gradient(160deg, rgba(8, 29, 41, 0.78), rgba(5, 16, 24, 0.92));
}

.hanoi-metrics .metric-card strong {
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.hanoi-note-card {
  margin-top: 4px;
}

.hanoi-ledger-card {
  padding: 16px;
  border: 1px solid rgba(154, 201, 218, 0.22);
  background:
    radial-gradient(circle at left top, rgba(73, 203, 226, 0.14), transparent 28%),
    linear-gradient(160deg, rgba(8, 28, 41, 0.88), rgba(4, 13, 20, 0.96));
}

.hanoi-ledger-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
}

.hanoi-ledger-head h3 {
  font-size: 1.04rem;
}

.hanoi-ledger-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.hanoi-preview-item {
  border: 1px solid rgba(147, 203, 219, 0.2);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(6, 22, 31, 0.74);
  display: grid;
  gap: 4px;
}

.hanoi-preview-item strong {
  font-size: 0.88rem;
}

.hanoi-preview-item span {
  color: #9fc0ce;
  font-size: 0.82rem;
}

.hanoi-preview-item.is-done {
  border-color: rgba(132, 209, 144, 0.38);
  background: rgba(12, 36, 31, 0.72);
}

.compare-shell,
.benchmark-shell,
.theory-shell {
  display: grid;
  gap: 28px;
}

.compare-shell {
  grid-template-columns: minmax(320px, 390px) 1fr;
}

.benchmark-shell {
  grid-template-columns: minmax(300px, 380px) 1fr;
  align-items: start;
}

.compare-content {
  display: grid;
  gap: 18px;
  align-content: start;
}

.compare-ranking {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.ranking-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
}

.ranking-head h2 {
  font-size: 0.96rem;
}

.ranking-head .caption {
  margin: 0;
}

.ranking-podium {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.ranking-pill {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(149, 198, 214, 0.25);
  border-radius: 10px;
  background: linear-gradient(156deg, rgba(9, 31, 43, 0.8), rgba(5, 16, 24, 0.9));
  color: var(--text);
  padding: 10px 12px;
  display: grid;
  gap: 8px;
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease;
}

.ranking-main {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ranking-pill strong {
  flex: 1;
  min-width: 0;
  font-size: 0.83rem;
  line-height: 1.2;
}

.ranking-pill .ranking-pos {
  border: 1px solid rgba(161, 218, 233, 0.42);
  background: rgba(22, 75, 98, 0.4);
  color: #d9f8ff;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 2px 7px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ranking-runtime {
  color: #c9e6f2;
  font-size: 0.74rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ranking-pill:hover,
.ranking-pill.is-focused {
  border-color: rgba(157, 220, 233, 0.56);
  transform: translateY(-1px);
}

.ranking-pill .cmp-stack {
  margin: 0;
}

.ranking-details {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding-top: 7px;
}

.ranking-details summary {
  cursor: pointer;
  color: #aed2df;
  font-size: 0.8rem;
  user-select: none;
}

.ranking-details[open] summary {
  margin-bottom: 5px;
}

.ranking-preview-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.ranking-preview-item {
  border: 1px solid rgba(147, 202, 220, 0.2);
  border-radius: 10px;
  background: rgba(7, 24, 34, 0.58);
  padding: 10px 12px;
  display: grid;
  gap: 8px;
}

.ranking-preview-item strong {
  font-size: 0.82rem;
}

.cmp-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.cmp-stack-chip {
  border: 1px solid rgba(141, 200, 218, 0.35);
  border-radius: 999px;
  padding: 4px 9px;
  background: rgba(14, 49, 64, 0.44);
  font-size: 0.68rem;
  line-height: 1.35;
  color: #c6eaf8;
  white-space: nowrap;
}

.cmp-stack-chip.cmp-stack-family {
  border-color: rgba(120, 215, 205, 0.4);
  background: rgba(22, 73, 74, 0.46);
  color: #d7fcf1;
}

.compare-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.compare-card {
  padding: 20px;
  display: grid;
  gap: 14px;
  cursor: pointer;
  transition: border-color 150ms ease, transform 150ms ease;
}

.compare-card .card-head {
  display: grid;
  gap: 6px;
  justify-content: stretch;
  align-items: start;
}

.compare-card .card-head h3 {
  margin: 0;
}

.compare-card .card-head .caption {
  margin: 0;
}

.compare-card:hover {
  transform: translateY(-1px);
}

.compare-card.is-preview {
  border-style: dashed;
}

.compare-card.compare-card-empty {
  border-style: dashed;
  border-color: rgba(149, 198, 214, 0.3);
  background: linear-gradient(165deg, rgba(8, 29, 41, 0.64), rgba(7, 17, 25, 0.78));
  cursor: default;
  min-height: 210px;
  align-content: center;
}

.compare-card.compare-card-empty:hover {
  transform: none;
}

.compare-card.is-focused {
  border-color: rgba(144, 224, 217, 0.66);
  box-shadow: 0 0 0 1px rgba(144, 224, 217, 0.28), var(--shadow);
}

.ranking-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 0.9rem;
}

.ranking-table th,
.ranking-table td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ranking-table th {
  color: #b1d0dd;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ranking-table tr[data-algorithm-id] {
  cursor: pointer;
}

.ranking-table tr.is-focused {
  background: rgba(49, 149, 162, 0.18);
}

.benchmark-result,
.theory-shell .glass-card {
  padding: clamp(22px, 2.6vw, 30px);
}

.benchmark-result {
  display: grid;
  gap: 18px;
  align-content: start;
}

.overview-info-card {
  cursor: default;
}

.overview-info-card:hover {
  transform: none;
}

.theory-hero,
.theory-section {
  display: grid;
  gap: 24px;
}

.theory-section-head {
  display: grid;
  gap: 12px;
  max-width: var(--copy-measure-wide);
}

.theory-section-head h2 {
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  text-wrap: balance;
}

.theory-cheat-grid {
  margin-top: 2px;
}

.theory-mini-grid,
.theory-card-grid,
.theory-topic-grid {
  display: grid;
  gap: 18px;
}

.theory-mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 1120px;
}

.theory-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.theory-topic-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 1120px;
}

.theory-topic-grid-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.theory-mini-card,
.theory-topic-card {
  border: 1px solid rgba(149, 202, 219, 0.2);
  border-radius: 14px;
  background: linear-gradient(164deg, rgba(8, 27, 39, 0.76), rgba(6, 15, 23, 0.9));
  padding: 20px 22px;
  display: grid;
  gap: 10px;
}

.theory-mini-card span {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #89bbcb;
}

.theory-mini-card strong {
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 1.28rem;
  color: #f2fbff;
}

.theory-mini-card small,
.theory-topic-card small {
  color: #9fbfcd;
  font-size: 0.84rem;
  line-height: 1.5;
}

.theory-table-wrap {
  overflow-x: auto;
}

.theory-complexity-slot {
  display: grid;
}

.complexity-lab-shell {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.35fr);
  gap: 20px;
}

.complexity-lab-panel,
.complexity-lab-stage,
.complexity-live-card {
  border: 1px solid rgba(149, 202, 219, 0.18);
  border-radius: 18px;
  background:
    radial-gradient(circle at top right, rgba(35, 176, 209, 0.12), transparent 34%),
    linear-gradient(164deg, rgba(8, 27, 39, 0.76), rgba(6, 15, 23, 0.92));
}

.complexity-lab-panel,
.complexity-lab-stage {
  padding: 22px;
  display: grid;
  gap: 18px;
  min-width: 0;
}

.complexity-lab-copy {
  display: grid;
  gap: 12px;
  max-width: var(--copy-measure);
}

.complexity-control-stack {
  display: grid;
  gap: 16px;
}

.complexity-range-label {
  display: grid;
  gap: 6px;
}

.complexity-range-label span {
  color: #cfe6ef;
}

.complexity-range-label strong {
  font-size: 1.04rem;
  color: #f2fbff;
}

.complexity-button-row {
  align-items: stretch;
}

.complexity-button-row .btn {
  flex: 1 1 160px;
}

.complexity-check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.complexity-toggle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.complexity-toggle {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(154, 198, 216, 0.22);
  border-radius: 14px;
  background: rgba(8, 25, 36, 0.62);
  padding: 11px 12px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.complexity-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(131, 222, 241, 0.38);
}

.complexity-toggle.is-active {
  border-color: rgba(131, 222, 241, 0.48);
  background: rgba(15, 38, 52, 0.78);
}

.complexity-toggle input {
  width: auto;
  margin: 0;
}

.complexity-toggle-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--curve-color, var(--brand));
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12),
    0 0 0 4px rgba(255, 255, 255, 0.05);
}

.complexity-toggle-copy {
  display: grid;
  gap: 1px;
}

.complexity-toggle-copy strong {
  font-size: 0.92rem;
  color: #f2fbff;
}

.complexity-toggle-copy small {
  color: #8fb5c4;
  font-size: 0.76rem;
  line-height: 1.45;
}

.complexity-insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.complexity-insight-card {
  border: 1px solid rgba(149, 202, 219, 0.18);
  border-radius: 16px;
  background: rgba(8, 22, 31, 0.56);
  padding: 16px;
  display: grid;
  gap: 8px;
}

.complexity-insight-card span {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #89bbcb;
}

.complexity-insight-card strong {
  font-size: 1rem;
  color: #f2fbff;
}

.complexity-insight-card small {
  color: #9fbfcd;
  font-size: 0.82rem;
  line-height: 1.5;
}

.complexity-live-card {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.complexity-live-head {
  display: grid;
  gap: 5px;
}

.complexity-live-head h4 {
  margin: 0;
  font-size: 1rem;
}

.complexity-live-values {
  display: grid;
  gap: 10px;
}

.complexity-live-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: center;
  border: 1px solid rgba(152, 196, 214, 0.16);
  border-radius: 14px;
  background: rgba(7, 20, 29, 0.52);
  padding: 10px 12px;
}

.complexity-live-name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: #f2fbff;
}

.complexity-live-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--curve-color, var(--brand));
  flex: 0 0 auto;
}

.complexity-live-row strong {
  color: #f2fbff;
  font-variant-numeric: tabular-nums;
}

.complexity-live-row small {
  grid-column: 1 / -1;
  color: #8fb5c4;
  font-size: 0.8rem;
}

.complexity-stage-head {
  display: grid;
  gap: 8px;
}

.complexity-canvas-shell {
  border: 1px solid rgba(147, 196, 215, 0.18);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(4, 15, 22, 0.72), rgba(3, 10, 16, 0.92));
  min-height: 420px;
  overflow: hidden;
}

.complexity-canvas {
  width: 100%;
  height: 420px;
  display: block;
}

.theory-card {
  display: grid;
  gap: 12px;
}

.theory-card-head {
  display: grid;
  gap: 8px;
}

.theory-chip-row {
  margin-top: -1px;
}

.theory-topic-card h3 {
  font-size: 1rem;
}

.theory-note-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  color: #b7d0da;
  font-size: 0.9rem;
  line-height: 1.65;
}

.theory-note-list li {
  margin: 0;
}

.benchmark-bars {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.benchmark-bar-item {
  display: grid;
  gap: 5px;
}

.benchmark-bar-item header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.88rem;
  color: #cde6ef;
}

.benchmark-bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.benchmark-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(18, 181, 166, 0.95), rgba(242, 158, 76, 0.95));
}

.algorithm-card.compact {
  background: rgba(6, 21, 31, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 12px;
  padding: 20px;
  gap: 12px;
}

.visualizer {
  width: 100%;
  min-height: clamp(290px, 45vh, 560px);
}

.visualizer-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  padding: 20px;
  min-height: clamp(290px, 45vh, 560px);
}

.visualizer-bars .viz-item {
  flex: 1 1 0;
  min-width: 3px;
  height: var(--bar-height, 35%);
  border-radius: 6px 6px 2px 2px;
  background: var(--bar-color, #60b9c6);
  position: relative;
  transition: height 140ms ease, background-color 140ms ease, opacity 140ms ease, transform 110ms ease;
  opacity: var(--bar-opacity, 1);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 4px 3px;
  overflow: hidden;
  box-shadow: inset 0 -2px 0 rgba(7, 18, 26, 0.42);
}

.visualizer-bars .viz-label {
  font-size: var(--bar-label-size, clamp(0.78rem, 1.05vw, 1.05rem));
  font-weight: 800;
  line-height: 1.1;
  max-width: calc(100% - 4px);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 2px var(--bar-label-pad-x, 4px);
  border-radius: 6px;
  background: rgba(4, 12, 20, 0.66);
  border: 1px solid rgba(216, 239, 251, 0.34);
  color: #f6fcff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.72);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  user-select: none;
}

.visualizer-dots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
  gap: 12px;
  padding: 22px;
  min-height: clamp(290px, 45vh, 560px);
  align-content: start;
}

.visualizer-dots .viz-item {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 28, 40, 0.7);
  min-height: 58px;
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 8px 6px;
  transition: transform 120ms ease, border-color 120ms ease, opacity 140ms ease;
  opacity: var(--dot-opacity, 1);
}

.dot-core {
  width: var(--dot-size, 16px);
  height: var(--dot-size, 16px);
  border-radius: 50%;
  background: var(--dot-color, #7fd5c6);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.11), 0 10px 18px rgba(0, 0, 0, 0.28);
}

.dot-label {
  font-size: 0.73rem;
  color: #d8edf6;
}

.visualizer.is-textual .viz-label,
.visualizer.is-textual .dot-label {
  font-family: "Sora", "Manrope", sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #f3fbff;
}

.visualizer.is-textual .viz-item {
  border: 1px solid rgba(188, 224, 239, 0.16);
}

.visualizer-radial {
  padding: 18px;
  display: grid;
  place-items: center;
  min-height: clamp(290px, 45vh, 560px);
}

.visualizer-words {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 14px;
  min-height: clamp(290px, 45vh, 560px);
}

.word-summary {
  margin: 0;
}

.word-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.word-grid.is-letter-stream {
  grid-template-columns: repeat(auto-fill, minmax(24px, 1fr));
  gap: 4px;
}

.word-token {
  border-radius: 10px;
  border: 1px solid rgba(178, 219, 236, 0.2);
  background: var(--word-bg, rgba(11, 43, 60, 0.84));
  padding: 8px 7px 6px;
  display: grid;
  gap: 5px;
  min-height: 58px;
}

.word-token.is-letter {
  min-height: 24px;
  padding: 2px;
  place-items: center;
  border-radius: 6px;
}

.word-letters {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: nowrap;
  overflow: hidden;
}

.word-char {
  min-width: 13px;
  height: 18px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  padding: 0 3px;
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 0.62rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #eef8ff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(211, 240, 255, 0.2);
  text-transform: lowercase;
}

.word-index {
  color: rgba(223, 245, 255, 0.72);
  font-size: 0.64rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.radial-svg {
  width: min(100%, 580px);
  height: min(100%, 580px);
}

.radial-spoke {
  stroke: var(--spoke-color, #60b9c6);
  stroke-width: 2.8;
  stroke-linecap: round;
  opacity: 0.92;
  transition: stroke 160ms ease, opacity 160ms ease, stroke-width 160ms ease;
}

.radial-label {
  fill: rgba(220, 243, 255, 0.78);
  font-size: 4.2px;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}

.visualizer.is-textual .radial-label {
  fill: rgba(239, 250, 255, 0.95);
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 3.7px;
  letter-spacing: 0.04px;
}

.radial-core {
  fill: rgba(10, 20, 26, 0.96);
  stroke: rgba(96, 224, 136, 0.75);
  stroke-width: 1.5;
}

.viz-canvas-layer {
  width: 100%;
  height: 100%;
  display: block;
}

.viz-item.out-of-range,
.radial-spoke.out-of-range {
  opacity: 0.2;
}

.viz-item.is-active,
.radial-spoke.is-active {
  transform: translateY(-2px);
}

.viz-item.is-compare {
  background: var(--viz-compare);
  box-shadow: 0 0 0 1px rgba(255, 224, 122, 0.34), 0 0 14px rgba(255, 224, 122, 0.3);
}

.radial-spoke.is-compare {
  stroke: var(--viz-compare);
  opacity: 1;
}

.viz-item.is-swap {
  background: var(--viz-swap);
  box-shadow: 0 0 0 1px rgba(255, 157, 104, 0.32), 0 0 14px rgba(255, 157, 104, 0.32);
}

.radial-spoke.is-swap {
  stroke: var(--viz-swap);
  opacity: 1;
}

.viz-item.is-overwrite {
  background: var(--viz-overwrite);
  box-shadow: 0 0 0 1px rgba(127, 213, 255, 0.35), 0 0 14px rgba(127, 213, 255, 0.3);
}

.radial-spoke.is-overwrite {
  stroke: var(--viz-overwrite);
  opacity: 1;
}

.viz-item.is-pivot {
  background: var(--viz-pivot);
  box-shadow: 0 0 0 1px rgba(255, 111, 97, 0.3), 0 0 14px rgba(255, 111, 97, 0.28);
}

.radial-spoke.is-pivot {
  stroke: var(--viz-pivot);
  opacity: 1;
}

.viz-item.is-sorted {
  background: var(--viz-sorted);
  box-shadow: 0 0 0 1px rgba(141, 226, 163, 0.36), 0 0 16px rgba(141, 226, 163, 0.32);
}

.radial-spoke.is-sorted {
  stroke: var(--viz-sorted);
  opacity: 1;
}

.visualizer-bars .viz-item.is-compare,
.visualizer-bars .viz-item.is-swap,
.visualizer-bars .viz-item.is-overwrite,
.visualizer-bars .viz-item.is-pivot,
.visualizer-bars .viz-item.is-sorted {
  background: var(--bar-color, #60b9c6);
}

.visualizer-bars .viz-item.is-compare {
  box-shadow: inset 0 -2px 0 rgba(7, 18, 26, 0.42), 0 0 0 2px rgba(255, 224, 122, 0.45), 0 0 16px rgba(255, 224, 122, 0.26);
}

.visualizer-bars .viz-item.is-swap {
  box-shadow: inset 0 -2px 0 rgba(7, 18, 26, 0.42), 0 0 0 2px rgba(255, 157, 104, 0.42), 0 0 16px rgba(255, 157, 104, 0.3);
}

.visualizer-bars .viz-item.is-overwrite {
  box-shadow: inset 0 -2px 0 rgba(7, 18, 26, 0.42), 0 0 0 2px rgba(127, 213, 255, 0.45), 0 0 16px rgba(127, 213, 255, 0.3);
}

.visualizer-bars .viz-item.is-pivot {
  box-shadow: inset 0 -2px 0 rgba(7, 18, 26, 0.42), 0 0 0 2px rgba(255, 111, 97, 0.44), 0 0 16px rgba(255, 111, 97, 0.28);
}

.visualizer-bars .viz-item.is-sorted {
  box-shadow: inset 0 -2px 0 rgba(7, 18, 26, 0.42), 0 0 0 2px rgba(141, 226, 163, 0.44), 0 0 16px rgba(141, 226, 163, 0.3);
}

.visualizer-bars .viz-item.is-next-target::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  right: 1px;
  height: 3px;
  border-radius: 999px;
  background: rgba(190, 216, 227, 0.8);
  box-shadow: 0 0 8px rgba(190, 216, 227, 0.45);
}

.visualizer-bars .viz-item.is-next-compare::after {
  background: var(--viz-compare);
}

.visualizer-bars .viz-item.is-next-swap::after {
  background: var(--viz-swap);
}

.visualizer-bars .viz-item.is-next-overwrite::after {
  background: var(--viz-overwrite);
}

.visualizer-bars .viz-item.is-next-pivot::after {
  background: var(--viz-pivot);
}

.visualizer-bars .viz-item.is-next-active::after {
  background: var(--viz-active);
}

.notice {
  color: #ffd08f;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatA {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(40px, 24px) scale(1.08);
  }
}

@keyframes floatB {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(-46px, -28px) scale(1.1);
  }
}

@media (max-width: 1160px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .route-title-box {
    text-align: left;
    width: 100%;
  }

  .workspace-grid,
  .compare-shell,
  .benchmark-shell {
    grid-template-columns: 1fr;
  }

  .control-panel,
  .compare-controls,
  .benchmark-controls {
    position: static;
  }

  .sier-shell {
    grid-template-columns: 1fr;
  }

  .hanoi-shell {
    grid-template-columns: 1fr;
  }

  .compare-content {
    grid-template-columns: 1fr;
  }

  .complexity-lab-shell {
    grid-template-columns: 1fr;
  }

  .complexity-insight-grid {
    grid-template-columns: 1fr;
  }

  .compare-ranking {
    position: static;
    max-height: none;
  }

  .home-route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .search-hero,
  .search-analysis-grid {
    grid-template-columns: 1fr;
  }

  .search-methods-rail,
  .compare-card-grid,
  .theory-mini-grid,
  .theory-card-grid,
  .theory-topic-grid,
  .theory-topic-grid-compact {
    grid-template-columns: 1fr;
  }

  .visual-canvas,
  .visualizer {
    min-height: clamp(260px, 40vh, 420px);
  }

  .sier-canvas-shell {
    min-height: clamp(300px, 45vh, 540px);
  }

  .hanoi-stage-head {
    grid-template-columns: 1fr;
  }

  .app-modal-card {
    left: min(48vw, calc(100vw - 560px));
    top: 82px;
    width: min(540px, 94vw);
    max-height: min(74vh, 680px);
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 18px 12px 34px;
  }

  .brand-sub {
    display: none;
  }

  .main-nav {
    width: 100%;
    justify-items: stretch;
  }

  .main-nav-primary,
  .main-nav-secondary {
    justify-content: flex-start;
  }

  .home-actions .btn,
  .button-row .btn {
    flex: 1;
    text-align: center;
  }

  .home-route-grid {
    grid-template-columns: 1fr;
  }

  .complexity-toggle-grid {
    grid-template-columns: 1fr;
  }

  .complexity-canvas-shell,
  .complexity-canvas {
    min-height: 320px;
    height: 320px;
  }

  .home-history-panel {
    padding: 18px 16px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .search-insight-grid,
  .search-methods-rail {
    grid-template-columns: 1fr;
  }

  .compare-card-grid,
  .theory-mini-grid,
  .theory-card-grid,
  .theory-topic-grid,
  .theory-topic-grid-compact {
    grid-template-columns: 1fr;
  }

  .ranking-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .visualizer-bars {
    gap: 2px;
    padding: 10px;
  }

  .visualizer-bars .viz-label {
    font-size: var(--bar-label-size, clamp(0.72rem, 2.6vw, 0.96rem));
  }

  .sier-canvas-shell {
    min-height: clamp(260px, 42vh, 430px);
  }

  .hanoi-board {
    min-height: clamp(300px, 48vh, 480px);
  }

  .hanoi-ledger-head {
    display: grid;
    align-items: start;
  }

  .sier-code {
    font-size: 0.72rem;
  }

  .app-modal-card {
    left: 8px;
    top: 72px;
    width: calc(100vw - 16px);
    max-height: min(70vh, 620px);
  }
}