@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Geist:wght@300;400;500;600;700&display=swap');

:root {
  --bg:            #0d1117;
  --bg-grad:       radial-gradient(ellipse at 50% -10%, rgba(255,255,255,0.055) 0%, transparent 50%), radial-gradient(ellipse at 50% 0%, #16213a 0%, #0d1117 60%);
  --surface:       rgba(255, 255, 255, 0.055);
  --surface-raised: rgba(255, 255, 255, 0.09);
  --glass-bg:      rgba(255, 255, 255, 0.07);
  --glass-border:  rgba(255, 255, 255, 0.13);
  --border:        rgba(255, 255, 255, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.22);
  --text-primary:   #f4f7ff;
  --text-secondary: #b0bccf;
  --text-tertiary:  #6b7a95;
  --accent:         #6366f1;
  --accent-dim:     rgba(99, 102, 241, 0.12);
  --accent-hover:   rgba(255, 255, 255, 0.04);
  --glow-primary:   rgba(99, 102, 241, 0.35);
  --dot-online:   #34d399;
  --dot-offline:  #f87171;
  --bar-empty:    rgba(255, 255, 255, 0.06);
  --grad-code:    linear-gradient(90deg, #6366f1, #8b5cf6);
  --grad-reason:  linear-gradient(90deg, #3b82f6, #6366f1);
  --grad-mmlu:    linear-gradient(90deg, #06b6d4, #3b82f6);
  --grad-trans:   linear-gradient(90deg, #10b981, #06b6d4);
  --grad-speed:   linear-gradient(90deg, #f59e0b, #10b981);
  --bar-code:     rgba(255,255,255,1.0);
  --bar-reason:   rgba(255,255,255,0.80);
  --bar-instr:    rgba(255,255,255,0.65);
  --bar-trans:    rgba(255,255,255,0.50);
  --bar-speed:    rgba(255,255,255,0.40);
  --badge-small-bg:   rgba(255,255,255,0.07);
  --badge-small-txt:  #b0bccf;
  --badge-medium-bg:  rgba(255,255,255,0.07);
  --badge-medium-txt: #b0bccf;
  --badge-large-bg:   rgba(99,102,241,0.15);
  --badge-large-txt:  #a5b4fc;
  --radius:     16px;
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-pill: 999px;
  --sp-xs:4px;--sp-sm:8px;--sp-md:16px;--sp-lg:24px;--sp-xl:32px;--sp-2xl:48px;
  --font-sans: 'Geist', 'Inter', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Roboto Mono', monospace;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35), 0 1px 4px rgba(0,0,0,0.2);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3 { font-family: var(--font-sans); font-weight: 600; line-height: 1.2; color: var(--text-primary); }

/* header */
.header {
  background: rgba(13, 17, 23, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: 72px;
  max-height: 72px;
  overflow: hidden;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,0.4); }

/* beta ribbon — diagonal white stripe top-right corner */
.beta-ribbon-wrapper {
  position: fixed;
  top: 0;
  right: 0;
  width: 90px;
  height: 90px;
  z-index: 200;
  overflow: hidden;
  pointer-events: none;
}
.beta-ribbon {
  position: absolute;
  top: 20px;
  right: -22px;
  width: 100px;
  text-align: center;
  background: rgba(255, 255, 255, 0.92);
  color: #0d1117;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 0;
  transform: rotate(45deg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  line-height: 1;
}
.header-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-right: 8px;
  flex-shrink: 0;
}
.logo-icon { height: 54px !important; width: 54px !important; max-height: 54px !important; max-width: 54px !important; object-fit: contain; display: inline-block; flex-shrink: 0; vertical-align: middle; }
.nav { display: flex; align-items: center; flex: 1; }
.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  height: 72px;
  padding: 0 14px;
  color: #8fa3bf;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, #3b82f6);
  border-radius: 2px 2px 0 0;
  transform: scaleX(0);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}
.nav-link:hover { color: var(--text-primary); }
.nav-link.active { color: var(--text-primary); }
.nav-link.active::after { transform: scaleX(1); }

/* theme switch */
.theme-switch-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.theme-switch-label { font-size: 11px; color: var(--text-secondary); user-select: none; }
.theme-switch {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
  display: inline-block;
  flex-shrink: 0;
}
.theme-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.theme-switch-track {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-strong);
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.theme-switch input:checked ~ .theme-switch-track {
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  border-color: transparent;
  box-shadow: 0 0 12px rgba(99,102,241,0.4);
}
.theme-switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), background 0.25s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  line-height: 1;
}
.theme-switch input:checked ~ .theme-switch-thumb {
  transform: translateX(20px);
  background: #fff;
}

/* hero */
.hero {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 48px 24px 32px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { max-width: 1600px; margin: 0 auto; position: relative; }
.hero-headline {
  font-family: var(--font-sans);
  font-size: 34px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  margin-bottom: 10px;
  line-height: 1.15;
}
.hero-headline em { font-style: normal; color: var(--text-secondary); }
.hero-sub { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.hero-updated { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); }
.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--dot-online);
  display: inline-block;
  box-shadow: 0 0 6px var(--dot-online);
  animation: blink 3s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* size filter row */
.size-filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  position: sticky;
  top: 56px;
  z-index: 40;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.size-filter-label { font-size: 11px; color: var(--text-secondary); letter-spacing: 0.08em; text-transform: uppercase; margin-right: 4px; font-family: var(--font-mono); }
.size-chip {
  height: 30px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.size-chip:hover { border-color: var(--border-strong); color: var(--text-primary); transform: translateY(-1px); }
.size-chip.active {
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(99,102,241,0.35);
}

/* container */
.container { max-width: 1600px; margin: 0 auto; padding: 36px 24px 64px; }

/* stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-top: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-card), 0 0 0 0.5px rgba(255,255,255,0.06) inset;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s, background 0.2s;
}
.stat-card:hover {
  transform: translateY(-3px) scale(1.01);
  background: rgba(255,255,255,0.10);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.18) inset;
}
.stat-card-icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  margin-bottom: 16px;
  color: #a5b4fc;
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-sm);
  background: rgba(99,102,241,0.08);
}
.stat-card-icon.primary-cont,
.stat-card-icon.tertiary-cont,
.stat-card-icon.secondary-cont,
.stat-card-icon.error-cont { background: rgba(99,102,241,0.08); border-color: rgba(99,102,241,0.2); }
.stat-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.stat-label { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); font-family: var(--font-mono); }

/* section titles */
.section-title { font-family: var(--font-sans); font-size: 18px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 3px; }
.section-sub { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }

/* segmented buttons */
.seg-btn-group {
  display: inline-flex;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.seg-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.seg-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.seg-btn.active {
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(99,102,241,0.4);
}

/* panels with crossfade */
.leaderboard-panel { display: none; }
.leaderboard-panel.active {
  display: block;
  animation: panel-in 0.3s cubic-bezier(0.4,0,0.2,1) both;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.category-section { margin-bottom: 48px; }
.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}
.category-header-left { display: flex; align-items: center; gap: 10px; }
.category-name { font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.1em; }

/* size badges */
.size-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
}
.size-badge.small   { color: var(--badge-small-txt);  background: var(--badge-small-bg); }
.size-badge.medium  { color: var(--badge-medium-txt); background: var(--badge-medium-bg); }
.size-badge.large   { color: var(--badge-large-txt);  background: var(--badge-large-bg); border-color: rgba(99,102,241,0.25); }
.size-badge.unknown { color: var(--text-secondary); background: transparent; }

/* sort chips */
.sort-row { display: flex; gap: 6px; flex-wrap: wrap; }
.sort-chip {
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.15s;
}
.sort-chip:hover { border-color: var(--border-strong); color: var(--text-primary); transform: translateY(-1px); }
.sort-chip.active {
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

/* model cards grid */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.model-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-top: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-card), 0 1px 0 rgba(255,255,255,0.07) inset;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s, background 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}
.model-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(99,102,241,0.06) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.model-card:hover {
  transform: translateY(-4px) scale(1.015);
  background: rgba(255,255,255,0.10);
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(99,102,241,0.15), 0 1px 0 rgba(255,255,255,0.2) inset;
}
.model-card:hover::before { opacity: 1; }
.model-card.rank-1 {
  border-color: rgba(99,102,241,0.45);
  border-top-color: rgba(165,180,252,0.5);
  box-shadow: var(--shadow-card), 0 0 24px rgba(99,102,241,0.15), 0 1px 0 rgba(255,255,255,0.12) inset;
}
.model-card.rank-2 { border-color: rgba(59,130,246,0.3); }

.card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; gap: 10px; }
.card-title-wrap { flex: 1; min-width: 0; }
.card-model-name { font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; line-height: 1.3; letter-spacing: -0.01em; }
.card-model-meta { font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); }
.card-right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; flex-shrink: 0; }
.rank-num { font-family: var(--font-mono); font-size: 13px; font-weight: 400; line-height: 1; font-variant-numeric: tabular-nums; color: var(--text-secondary); }
.rank-num.gold   { color: #a5b4fc; font-weight: 700; }
.rank-num.silver { color: #93c5fd; }
.rank-num.bronze { color: #6ee7b7; }
.rank-num.other  { color: var(--text-secondary); }

/* compare chip */
.cmp-chip {
  height: 26px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 11px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
  display: flex; align-items: center; gap: 3px;
}
.cmp-chip:hover { border-color: rgba(99,102,241,0.5); color: #a5b4fc; }
.cmp-chip.selected {
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 10px rgba(99,102,241,0.35);
}

/* score bars */
.score-block { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.score-row { display: flex; align-items: center; gap: 10px; position: relative; transition: opacity 0.2s; }
.score-block:hover .score-row { opacity: 0.4; }
.score-block:hover .score-row:hover { opacity: 1; }
.score-label { width: 68px; font-size: 10px; font-weight: 500; letter-spacing: 0.06em; color: var(--text-secondary); text-transform: uppercase; flex-shrink: 0; font-family: var(--font-mono); }
.score-bar-wrap { flex: 1; min-width: 0; height: 4px; background: var(--bar-empty); position: relative; overflow: visible; border-radius: 4px; }
.score-bar-fill {
  display: block;
  height: 100%;
  border-radius: 4px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
  min-width: 0;
}
.fill-code   { background: var(--grad-code); box-shadow: 0 0 8px rgba(99,102,241,0.35); }
.fill-reason { background: var(--grad-reason); box-shadow: 0 0 8px rgba(59,130,246,0.3); }
.fill-mmlu   { background: var(--grad-mmlu); box-shadow: 0 0 8px rgba(6,182,212,0.25); }
.fill-trans  { background: var(--grad-trans); box-shadow: 0 0 8px rgba(16,185,129,0.25); }
.fill-speed  { background: var(--grad-speed); box-shadow: 0 0 8px rgba(245,158,11,0.25); }
.score-val { width: 26px; text-align: right; font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); flex-shrink: 0; }

/* tooltip */
.score-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10,14,24,0.96);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 30;
  backdrop-filter: blur(8px);
}
.score-row:hover .score-tooltip { opacity: 1; }

/* card footer */
.card-score-footer { border-top: 1px solid var(--border-subtle); padding-top: 14px; display: flex; justify-content: space-between; align-items: center; }
.score-footer-label { font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-secondary); font-family: var(--font-mono); }
.score-footer-val { font-family: var(--font-mono); font-size: 24px; font-weight: 500; color: var(--text-primary); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.score-footer-val span { font-size: 12px; font-weight: 400; color: var(--text-secondary); }

/* compare bar */
.compare-bar {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: rgba(10,14,24,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  padding: 10px 14px 10px 18px;
  display: none; align-items: center; gap: 12px;
  z-index: 200; white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.compare-bar.visible { display: flex; }
.compare-bar-label { font-family: var(--font-sans); font-size: 13px; color: var(--text-secondary); }

/* buttons */
.btn-filled {
  height: 38px; padding: 0 22px;
  border-radius: var(--radius-pill); border: none;
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  color: #fff;
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  cursor: pointer; display: inline-flex; align-items: center;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-filled:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(99,102,241,0.4); }
.btn-tonal {
  height: 38px; padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-family: var(--font-sans); font-size: 13px;
  cursor: pointer; display: inline-flex; align-items: center;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.btn-tonal:hover { border-color: var(--border-strong); background: rgba(255,255,255,0.08); transform: translateY(-1px); }
.btn, .btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  height: 38px; padding: 0 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; text-decoration: none;
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  color: #fff;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn:hover, .btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(99,102,241,0.4); }
.btn-outlined { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-outlined:hover { border-color: rgba(99,102,241,0.5); background: var(--accent-dim); box-shadow: none; transform: none; }

/* dialog */
.dialog-scrim { position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); z-index: 300; display: none; align-items: center; justify-content: center; padding: 24px; }
.dialog-scrim.open { display: flex; }
.dialog {
  background: rgba(13,17,30,0.96);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0; max-width: 960px; width: 100%; max-height: 90vh;
  overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.dialog-header { padding: 22px 24px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.dialog-title { font-family: var(--font-sans); font-size: 18px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; }
.dialog-close {
  width: 34px; height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: transparent; color: var(--text-secondary); font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.dialog-close:hover { border-color: var(--border-strong); color: var(--text-primary); background: rgba(255,255,255,0.06); }
.dialog-body { overflow-y: auto; padding: 20px 24px 24px; }
.radar-grid { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-bottom: 24px; }
.radar-card {
  flex: 1; min-width: 200px; max-width: 280px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 16px; text-align: center;
}
.radar-card-name { font-family: var(--font-sans); font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.radar-card-meta { font-size: 11px; color: var(--text-secondary); margin-bottom: 12px; font-family: var(--font-mono); }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.cmp-table th { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); font-size: 10px; color: var(--text-secondary); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500; }
.cmp-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); font-family: var(--font-mono); font-size: 12px; }
.cmp-table tr:last-child td { border-bottom: none; }
.cmp-table .row-label { font-size: 11px; color: var(--text-secondary); }
.cmp-table .best { color: #a5b4fc; font-weight: 600; }

/* legend */
.legend { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 12px; height: 4px; border-radius: 4px; flex-shrink: 0; }

/* news */
.news-item { border-bottom: 1px solid var(--border-subtle); padding: 20px 0; }
.news-item:last-child { border-bottom: none; }
.news-date { font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 5px; font-family: var(--font-mono); font-weight: 500; }
.news-title { font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; line-height: 1.4; letter-spacing: -0.01em; }
.news-title a { color: inherit; text-decoration: none; }
.news-title a:hover { color: #a5b4fc; }
.news-summary { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 5px; }
.news-source { font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); }

/* feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s, background 0.2s, border-color 0.2s;
}
.feature-card:hover { transform: translateY(-3px) scale(1.01); background: rgba(255,255,255,0.07); border-color: rgba(99,102,241,0.25); box-shadow: 0 8px 28px rgba(0,0,0,0.4); }
.feature-icon { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; font-size: 15px; margin-bottom: 14px; color: #a5b4fc; border: 1px solid rgba(99,102,241,0.2); border-radius: var(--radius-sm); background: rgba(99,102,241,0.08); }
.feature-name { font-family: var(--font-sans); font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; letter-spacing: -0.01em; }
.feature-metric { font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; color: var(--text-secondary); font-family: var(--font-mono); }
.feature-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.feature-card::after { content: 'view →'; display: block; margin-top: 10px; font-size: 11px; font-family: var(--font-mono); color: #a5b4fc; opacity: 0; transition: opacity 0.2s; }
.feature-card:hover::after { opacity: 1; }

/* footer */
.footer { border-top: 1px solid var(--border); padding: 28px; text-align: center; max-width: 1600px; margin: 0 auto; }
.footer-links { display: flex; justify-content: center; gap: 28px; margin-bottom: 10px; flex-wrap: wrap; }
.footer-link { font-family: var(--font-sans); font-size: 13px; color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
.footer-link:hover { color: #a5b4fc; }
.footer-copy { font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); }

/* generic utilities */
.card, .card-outlined, .card-elevated { background: var(--glass-bg); backdrop-filter: blur(10px); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-card); }
.card-title { font-family: var(--font-sans); font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.card-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.search-container { margin-bottom: 24px; }
.search-box { position: relative; margin-bottom: 12px; }
.search-input {
  width: 100%; height: 46px; padding: 0 18px 0 46px;
  border: 1px solid var(--border); border-radius: var(--radius-pill);
  background: var(--glass-bg); backdrop-filter: blur(10px);
  color: var(--text-primary); font-family: var(--font-sans); font-size: 14px;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input::placeholder { color: var(--text-secondary); }
.search-input:focus { border-color: rgba(99,102,241,0.5); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }
.search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-secondary); font-size: 16px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  height: 30px; padding: 0 14px; border: 1px solid var(--border);
  border-radius: var(--radius-pill); background: transparent;
  color: var(--text-secondary); font-family: var(--font-sans); font-size: 12px;
  cursor: pointer; transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.filter-btn:hover { border-color: var(--border-strong); color: var(--text-primary); }
.filter-btn.active { background: linear-gradient(135deg, #6366f1, #3b82f6); border-color: transparent; color: #fff; font-weight: 600; }
.divider { height: 1px; background: var(--border-subtle); margin: 14px 0; }
.progress-bar { height: 4px; background: var(--bar-empty); border-radius: 4px; overflow: hidden; margin: 6px 0; }
.progress-fill { height: 100%; background: linear-gradient(90deg, #6366f1, #3b82f6); border-radius: 4px; transition: width 1.2s cubic-bezier(0.4,0,0.2,1); }
.rank-badge { font-family: var(--font-mono); font-size: 18px; font-weight: 500; color: var(--text-secondary); line-height: 1; }
.rank-1 { color: #a5b4fc; } .rank-2 { color: #93c5fd; } .rank-3 { color: #6ee7b7; }
.chip { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: var(--radius-pill); font-family: var(--font-sans); font-size: 11px; border: 1px solid var(--border); color: var(--text-secondary); }
.chip-green-bg, .chip-yellow-bg, .chip-red-bg, .chip-gray-bg { background: transparent; color: var(--text-secondary); border-color: var(--border); }
@keyframes shimmer { 0%,100%{opacity:0.3} 50%{opacity:0.6} }
.skeleton { background: rgba(255,255,255,0.04); border-radius: var(--radius-sm); animation: shimmer 1.6s ease-in-out infinite; }

/* light theme */
[data-theme="light"] {
  --bg:            #f5f7fc;
  --bg-grad:       radial-gradient(ellipse at 50% 0%, #e8ecf8 0%, #f5f7fc 65%);
  --surface:       rgba(255,255,255,0.85);
  --surface-raised: rgba(255,255,255,0.95);
  --glass-bg:      rgba(255,255,255,0.75);
  --glass-border:  rgba(0,0,0,0.08);
  --border:        rgba(0,0,0,0.1);
  --border-subtle: rgba(0,0,0,0.05);
  --border-strong: rgba(0,0,0,0.2);
  --text-primary:  #0f1117;
  --text-secondary:#4a5568;
  --text-tertiary: #6b7280;
  --accent:        #4f46e5;
  --accent-dim:    rgba(79,70,229,0.1);
  --accent-hover:  rgba(79,70,229,0.06);
  --glow-primary:  rgba(79,70,229,0.2);
  --dot-online:    #059669;
  --dot-offline:   #dc2626;
  --bar-empty:     rgba(0,0,0,0.08);
  --bar-code:      rgba(79,70,229,1.0);
  --bar-reason:    rgba(59,130,246,0.9);
  --bar-instr:     rgba(6,182,212,0.85);
  --bar-trans:     rgba(16,185,129,0.8);
  --bar-speed:     rgba(245,158,11,0.8);
  --badge-small-bg:  rgba(0,0,0,0.05);
  --badge-small-txt: #4a5568;
  --badge-medium-bg: rgba(0,0,0,0.05);
  --badge-medium-txt:#4a5568;
  --badge-large-bg:  rgba(79,70,229,0.1);
  --badge-large-txt: #4f46e5;
  --shadow-card: 0 2px 16px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.05);
  --color-primary:  #6366f1;
  --color-tertiary: #10b981;
}

[data-theme="light"] .header {
  background: rgba(245, 247, 252, 0.92);
}

[data-theme="light"] .nav-link {
  color: #4a5568;
}

[data-theme="light"] .nav-link.active,
[data-theme="light"] .nav-link:hover {
  color: #0f1117;
}

[data-theme="light"] .theme-switch-label {
  color: #4a5568;
}


/* aliases for legacy references in html */
:root {
  --metric-code:    #8b5cf6;
  --metric-reason:  #3b82f6;
  --metric-mmlu:    #06b6d4;
  --metric-trans:   #10b981;
  --color-primary:  #a5b4fc;
  --color-tertiary: #6ee7b7;
  --color-outline-var: var(--border-subtle);
  --color-on-surface: var(--text-primary);
  --color-on-surface-var: var(--text-secondary);
  --color-surf-cont-low: var(--glass-bg);
}

/* responsive */
@media (max-width: 960px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .hero-headline { font-size: 24px; }
  .hero { padding: 28px 16px 22px; }
  .hero-sub { font-size: 12px; margin-bottom: 14px; }
  .nav .nav-link { display: none; }
  .nav .nav-link.active { display: flex; }
  .header-content { padding: 0 14px; }
  .header { height: 48px; }
  .size-filter-row { top: 48px; }
  .container { padding: 20px 14px 48px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 22px; }
  .grid-cards { grid-template-columns: 1fr; gap: 12px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .model-card { padding: 16px; }
  .card-model-name { font-size: 14px; }
  .score-label { width: 58px; font-size: 9px; }
  .score-val { font-size: 10px; }
  .cmp-chip { font-size: 10px; padding: 0 8px; }
  .size-chip { height: 28px; padding: 0 12px; font-size: 11px; }
  .size-filter-label { display: none; }
  .seg-btn-group { width: 100%; }
  .seg-btn { flex: 1; justify-content: center; }
  .category-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .sort-chip { font-size: 10px; height: 26px; padding: 0 10px; }
  .section-title { font-size: 16px; }
  .footer { padding: 16px 14px; }
  .footer-links { gap: 16px; }
  .compare-bar { padding: 9px 12px; gap: 8px; }
}