:root {
  color-scheme: dark;
  --bg: #08111f;
  --panel: rgba(10, 24, 42, 0.86);
  --panel-strong: rgba(16, 34, 58, 0.96);
  --line: rgba(138, 168, 210, 0.2);
  --text: #edf3ff;
  --muted: #9eb0cc;
  --accent: #76a9ff;
  --accent-2: #52d7c8;
  --accent-3: #ffb454;
  --danger: #ff7b72;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(118, 169, 255, 0.18), transparent 32%),
    linear-gradient(180deg, #08111f 0%, #0d1627 100%);
  color: var(--text);
}

.page-shell {
  width: min(1280px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 32px 0 88px;
}

.hero,
.panel,
.footer-nav {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(280px, 1fr);
  gap: 24px;
  padding: 32px;
  margin-bottom: 24px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 14px;
}

h2 {
  margin-bottom: 8px;
}

.hero-copy,
.section-copy {
  color: var(--muted);
  max-width: 64ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
}

.hero-link-accent {
  background: rgba(82, 215, 200, 0.12);
  border-color: rgba(82, 215, 200, 0.3);
}

.hero-stats {
  display: grid;
  gap: 12px;
}

.stat-card {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}

main {
  display: grid;
  gap: 24px;
}

.panel {
  padding: 24px;
}

.panel-accent {
  background: linear-gradient(180deg, rgba(11, 25, 45, 0.95), rgba(8, 19, 33, 0.95));
}

.inset-panel {
  background: rgba(8, 18, 33, 0.9);
  box-shadow: none;
  padding: 18px;
}

.section-head,
.compare-toolbar,
.controls,
.value-head,
.value-inputs {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.controls,
.compare-toolbar,
.value-inputs {
  justify-content: flex-start;
}

.swap-button {
  align-self: end;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(118, 169, 255, 0.25);
  border-radius: 14px;
  background: rgba(118, 169, 255, 0.1);
  color: var(--text);
  cursor: pointer;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  flex: 1 1 220px;
}

button {
  font: inherit;
}

input,
select {
  width: 100%;
  min-width: 220px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(158, 176, 204, 0.25);
  background: rgba(6, 13, 25, 0.85);
  color: var(--text);
  font: inherit;
}

.mobile-ladder {
  display: none;
}

.table-wrap {
  margin-top: 18px;
  overflow: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

thead {
  background: rgba(118, 169, 255, 0.1);
}

th,
td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

tbody tr:hover {
  background: rgba(82, 215, 200, 0.07);
}

th:first-child,
td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: rgba(9, 21, 37, 0.98);
}

thead th:first-child {
  z-index: 2;
  background: rgba(16, 33, 57, 0.98);
}

.rank-pill {
  display: inline-flex;
  min-width: 38px;
  justify-content: center;
  border-radius: 999px;
  padding: 5px 10px;
  font-weight: 700;
  background: rgba(118, 169, 255, 0.14);
  color: #dbe8ff;
}

.gpu-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(118, 169, 255, 0.03));
}

.gpu-card + .gpu-card {
  margin-top: 12px;
}

.gpu-card-top {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.gpu-card-title {
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.gpu-link {
  color: var(--text);
  text-decoration: none;
}

.gpu-link:hover {
  color: var(--accent-2);
}

.gpu-card-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.gpu-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.gpu-card-grid div {
  border-radius: 14px;
  padding: 12px;
  background: rgba(118, 169, 255, 0.08);
}

.gpu-card-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 6px;
}

.gpu-card-grid strong {
  font-size: 1rem;
}

.compare-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(420px, 1.2fr);
  gap: 18px;
  align-items: stretch;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  min-width: 0;
}

.delta-up {
  color: var(--accent-2);
}

.delta-down {
  color: var(--danger);
}

svg {
  width: 100%;
  height: auto;
  min-height: 320px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.chart-label {
  fill: var(--muted);
  font-size: 14px;
}

.chart-value {
  fill: var(--text);
  font-size: 12px;
}

.value-panel {
  margin-top: 18px;
}

.value-inputs {
  margin-top: 16px;
}

.value-result {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 14px;
}

.value-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.value-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.25rem;
}

.value-card.verdict-win strong {
  color: var(--accent-2);
}

.value-card.verdict-loss strong {
  color: var(--danger);
}

.value-card.verdict-neutral strong {
  color: var(--accent-3);
}

.value-card.verdict-win {
  border-color: rgba(82, 215, 200, 0.35);
}

.value-card.verdict-loss {
  border-color: rgba(255, 123, 114, 0.4);
}

.value-card.verdict-neutral {
  border-color: rgba(255, 180, 84, 0.4);
}

.value-card.verdict-box {
  grid-column: span 2;
  padding: 20px;
}

.verdict-title {
  display: block;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--muted);
}

.verdict-label {
  display: block;
  margin-bottom: 8px;
  font-size: 1.5rem;
  font-weight: 800;
}

.verdict-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.footer-nav {
  position: sticky;
  bottom: 16px;
  margin-top: 26px;
  padding: 14px 18px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.footer-nav a {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
}

.footer-nav a:hover {
  background: rgba(118, 169, 255, 0.12);
}

.empty-state {
  color: var(--muted);
  padding: 20px;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .hero,
  .compare-grid,
  .value-result {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100vw - 20px, 1220px);
    padding: 20px 0 84px;
  }

  .panel,
  .hero,
  .inset-panel {
    padding: 18px;
    border-radius: 20px;
  }

  .controls,
  .compare-toolbar,
  .value-head,
  .value-inputs {
    gap: 12px;
  }

  input,
  select,
  .value-card.verdict-box {
    min-width: 100%;
    grid-column: span 1;
  }

  table {
    min-width: 720px;
  }

  svg {
    min-height: 260px;
  }

  .footer-nav {
    bottom: 10px;
    padding: 10px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: calc(100vw - 12px);
    padding: 12px 0 80px;
  }

  .hero,
  .panel,
  .inset-panel {
    padding: 14px;
    border-radius: 18px;
  }

  h1 {
    font-size: 1.9rem;
    line-height: 1.12;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.12rem;
  }

  .hero-copy,
  .section-copy,
  label,
  .verdict-copy,
  .gpu-card-subtitle {
    font-size: 1rem;
    line-height: 1.55;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero-link {
    min-height: 46px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .value-card,
  .gpu-card {
    padding: 15px;
  }

  .stat-value,
  .value-card strong {
    font-size: 1.2rem;
  }

  .mobile-ladder {
    display: block;
    margin-top: 16px;
  }

  .desktop-ladder {
    display: none;
  }

  .controls,
  .compare-toolbar,
  .value-head,
  .value-inputs {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .swap-button {
    width: 100%;
    min-height: 46px;
    order: 3;
  }

  .gpu-card-top {
    align-items: flex-start;
  }

  .gpu-card-title {
    font-size: 1.1rem;
    line-height: 1.35;
  }

  .gpu-card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .gpu-card-grid div {
    padding: 12px;
  }

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

  .compare-table {
    min-width: 520px;
  }

  .compare-table th,
  .compare-table td {
    padding: 10px 10px;
    font-size: 0.94rem;
  }

  svg {
    min-height: 220px;
  }

  .rank-pill {
    min-width: 34px;
    padding: 4px 8px;
  }

  .verdict-label {
    font-size: 1.35rem;
    line-height: 1.35;
  }

  .footer-nav {
    width: calc(100vw - 16px);
    left: 8px;
    right: 8px;
    margin-top: 18px;
    justify-content: stretch;
  }

  .footer-nav a {
    flex: 1 1 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 11px 12px;
  }
}