/* ChatShelf: design tokens, layout and components.
   Dark is the default; light follows the OS or the theme toggle. */

:root {
  color-scheme: dark;
  --bg: #08090d;
  --bg-2: #0d0f15;
  --surface: #12131a;
  --surface-2: #181a23;
  --surface-3: #20232e;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f2f1ee;
  --text-2: #c3c2b7;
  --muted: #8b8a85;
  --accent: #8b7dff;
  --accent-2: #4fd1c5;
  --accent-ink: #0b0a14;
  --glow: rgba(139, 125, 255, 0.35);
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #3ccf3c;
  /* provider identity: validated categorical slots (dark steps) */
  --p-google: #3987e5;
  --p-anthropic: #d95926;
  --p-openai: #199e70;
  --p-xai: #c98500;
  --p-meta: #d55181;
  --p-alibaba: #008300;
  --p-deepseek: #9085e9;
  --p-other: #6d6c68;
  --grid: #262833;
  --axis: #383a45;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --maxw: 1200px;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f6f6f3; --bg-2: #efefea; --surface: #ffffff; --surface-2: #f7f7f4; --surface-3: #eeeee9;
    --line: rgba(11, 11, 11, 0.08); --line-strong: rgba(11, 11, 11, 0.14);
    --text: #0b0b0b; --text-2: #52514e; --muted: #77766f;
    --accent: #5b4bd6; --accent-2: #0f8f84; --accent-ink: #ffffff; --glow: rgba(91, 75, 214, 0.18);
    --good-ink: #006300;
    --p-google: #2a78d6; --p-anthropic: #eb6834; --p-openai: #1baf7a; --p-xai: #eda100;
    --p-meta: #e87ba4; --p-alibaba: #008300; --p-deepseek: #6250d6; --p-other: #a3a29c;
    --grid: #e6e5df; --axis: #c3c2b7;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 18px 40px -24px rgba(0, 0, 0, 0.18);
  }
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f6f3; --bg-2: #efefea; --surface: #ffffff; --surface-2: #f7f7f4; --surface-3: #eeeee9;
  --line: rgba(11, 11, 11, 0.08); --line-strong: rgba(11, 11, 11, 0.14);
  --text: #0b0b0b; --text-2: #52514e; --muted: #77766f;
  --accent: #5b4bd6; --accent-2: #0f8f84; --accent-ink: #ffffff; --glow: rgba(91, 75, 214, 0.18);
  --good-ink: #006300;
  --p-google: #2a78d6; --p-anthropic: #eb6834; --p-openai: #1baf7a; --p-xai: #eda100;
  --p-meta: #e87ba4; --p-alibaba: #008300; --p-deepseek: #6250d6; --p-other: #a3a29c;
  --grid: #e6e5df; --axis: #c3c2b7;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 18px 40px -24px rgba(0, 0, 0, 0.18);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text); font-family: var(--font);
  font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ambient background */
.aurora { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.aurora::before, .aurora::after {
  content: ""; position: absolute; width: 60vw; height: 60vw; border-radius: 50%; filter: blur(90px); opacity: 0.22;
}
.aurora::before { background: radial-gradient(circle, var(--accent), transparent 65%); top: -25vw; left: -10vw; animation: drift 22s ease-in-out infinite alternate; }
.aurora::after { background: radial-gradient(circle, var(--accent-2), transparent 65%); top: -20vw; right: -20vw; opacity: 0.14; animation: drift 28s ease-in-out infinite alternate-reverse; }
.aurora .grain { position: absolute; inset: 0; background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(to bottom, black, transparent 70%); }
@keyframes drift { to { transform: translate(8vw, 6vw) scale(1.1); } }
@media (prefers-reduced-motion: reduce) { .aurora::before, .aurora::after { animation: none; } html { scroll-behavior: auto; } }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(160%) blur(16px); background: color-mix(in srgb, var(--bg) 72%, transparent); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand-mark { width: 30px; height: 30px; }
.nav-links { display: none; gap: 2px; margin-left: 12px; }
.nav-links a { white-space: nowrap; padding: 8px 12px; border-radius: 10px; color: var(--text-2); font-size: 14.5px; font-weight: 500; transition: color .15s, background .15s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--surface-2); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; color: var(--text-2); transition: border-color .15s, color .15s; }
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); }
.menu-btn { display: grid; }
@media (min-width: 1120px) { .nav-links { display: flex; } .menu-btn { display: none; } }
.mobile-menu { display: none; border-top: 1px solid var(--line); padding: 8px 16px 16px; }
.mobile-menu.open { display: grid; gap: 2px; }
.mobile-menu a { padding: 12px; border-radius: 10px; color: var(--text-2); font-weight: 500; }
.mobile-menu a[aria-current="page"] { background: var(--surface-2); color: var(--text); }
@media (min-width: 1120px) { .mobile-menu, .mobile-menu.open { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 18px; border-radius: 12px; font-weight: 600; font-size: 15px; border: 1px solid var(--line-strong); background: var(--surface); cursor: pointer; transition: transform .15s, box-shadow .2s, background .15s, border-color .15s; white-space: nowrap; }
.btn:hover { border-color: var(--text-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2))); color: #fff; border-color: transparent; box-shadow: 0 8px 30px -8px var(--glow), inset 0 1px 0 rgba(255,255,255,.2); }
.btn-primary:hover { box-shadow: 0 10px 40px -6px var(--glow), inset 0 1px 0 rgba(255,255,255,.25); border-color: transparent; }
.btn-sm { height: 36px; padding: 0 12px; font-size: 14px; border-radius: 10px; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: transparent; }

/* typography */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.03em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(38px, 6.4vw, 72px); font-weight: 700; }
h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 700; }
h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.3; }
p { margin: 0; }
.lede { font-size: clamp(17px, 1.8vw, 20px); color: var(--text-2); max-width: 640px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 13.5px; }
.grad-text { background: linear-gradient(120deg, var(--text) 30%, var(--accent) 65%, var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mono { font-family: var(--mono); }

/* sections */
section { padding: 72px 0; }
@media (min-width: 720px) { section { padding: 104px 0; } }
.section-head { display: grid; gap: 14px; margin-bottom: 40px; max-width: 760px; }
.page-hero { padding: 56px 0 28px; }
.page-hero .lede { margin-top: 14px; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); position: relative; }
.card-glow { overflow: hidden; }
.card-glow::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 60%, transparent), transparent 40%, transparent 60%, color-mix(in srgb, var(--accent-2) 50%, transparent)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.grid { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 720px) and (max-width: 999px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 500; background: var(--surface-2); border: 1px solid var(--line); color: var(--text-2); white-space: nowrap; }
.chip .dot { width: 8px; height: 8px; border-radius: 50%; }
.tag { font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 6px; background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }

/* segmented control / tabs */
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: none; padding: 8px 14px; border-radius: 10px; border: 0; background: transparent; color: var(--text-2); font-size: 14px; font-weight: 500; cursor: pointer; transition: background .15s, color .15s; white-space: nowrap; }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { background: var(--surface-3); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-strong); }

/* forms */
.field { display: grid; gap: 6px; }
.field label { font-size: 13.5px; font-weight: 500; color: var(--text-2); }
.input, select.input, textarea.input { width: 100%; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--text); outline: none; transition: border-color .15s, box-shadow .15s; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent); }
textarea.input { min-height: 120px; resize: vertical; line-height: 1.5; }

/* status */
.status-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; position: relative; }
.status-dot.good { background: var(--good); }
.status-dot.warning { background: var(--warning); }
.status-dot.serious { background: var(--serious); }
.status-dot.critical { background: var(--critical); }
.status-dot.unknown { background: var(--muted); }
.status-dot.good::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--good); opacity: 0; animation: ping 2.4s ease-out infinite; }
@keyframes ping { 0% { transform: scale(.6); opacity: .6; } 100% { transform: scale(1.6); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .status-dot.good::after { animation: none; } }

/* footer */
footer { border-top: 1px solid var(--line); padding: 48px 0 64px; color: var(--muted); font-size: 14px; }
footer .cols { display: grid; gap: 28px; }
@media (min-width: 720px) { footer .cols { grid-template-columns: 2fr 1fr 1fr 1fr; } }
footer h4 { color: var(--text); font-size: 14px; margin: 0 0 10px; }
footer a { display: block; padding: 3px 0; color: var(--muted); }
footer a:hover { color: var(--text); }

/* toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--surface-3); color: var(--text); border: 1px solid var(--line-strong); padding: 10px 16px; border-radius: 12px; font-size: 14px; font-weight: 500; opacity: 0; transition: opacity .2s, transform .2s; z-index: 100; pointer-events: none; box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- home ---------- */
.hero { padding: 56px 0 40px; }
@media (min-width: 720px) { .hero { padding: 88px 0 56px; } }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 1000px) { .hero-grid { grid-template-columns: 1.05fr 1fr; } }
.hero h1 { margin: 18px 0 20px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; color: var(--muted); font-size: 14px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.platforms { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }

/* product mock */
.mock { border-radius: 20px; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: 0 40px 120px -30px var(--glow), var(--shadow); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(3deg); transition: transform .6s ease; }
.mock:hover { transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); }
@media (max-width: 999px) { .mock { transform: none; } .mock:hover { transform: none; } }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--surface-3); }
.mock-body { display: grid; grid-template-columns: 150px 1fr; min-height: 340px; }
@media (max-width: 520px) { .mock-body { grid-template-columns: 1fr; } .mock-side { display: none; } }
.mock-side { border-right: 1px solid var(--line); padding: 12px; display: grid; align-content: start; gap: 2px; font-size: 13px; }
.mock-side div { padding: 7px 9px; border-radius: 8px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.mock-side div.on { background: var(--surface-3); color: var(--text); }
.mock-main { padding: 14px; display: grid; gap: 10px; align-content: start; }
.mock-search { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent); font-size: 14px; }
.mock-search .caret { width: 2px; height: 16px; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.mock-result { padding: 10px 12px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line); font-size: 13px; display: grid; gap: 4px; animation: rise .5s ease both; }
.mock-result b { font-weight: 600; font-size: 13.5px; }
.mock-result mark { background: color-mix(in srgb, var(--accent) 30%, transparent); color: var(--text); border-radius: 3px; padding: 0 2px; }
.mock-result .meta { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 12px; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }

/* pulse strip */
.pulse { display: grid; gap: 12px; }
@media (min-width: 900px) { .pulse { grid-template-columns: 1.2fr 1fr 1fr; } }
.pulse .card { padding: 18px 20px; }
.pulse-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.status-row { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.status-row a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; }
.leader-list { display: grid; gap: 8px; }
.leader-list a { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.leader-list .cat { color: var(--muted); width: 92px; flex: none; font-size: 13px; }
.leader-list .who { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* tip card */
.tip-card { display: grid; gap: 16px; padding: 28px; }
@media (min-width: 720px) { .tip-card { padding: 36px; } }
.tip-card .tip-title { font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 30px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.tip-card .tip-body { color: var(--text-2); font-size: 16.5px; max-width: 760px; }
.tip-example { display: grid; gap: 10px; }
@media (min-width: 720px) { .tip-example { grid-template-columns: 1fr 1fr; } }
.tip-example > div { border-radius: 12px; padding: 14px 16px; font-size: 14.5px; border: 1px solid var(--line); background: var(--surface-2); }
.tip-example .label { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.tip-example .before .label { color: var(--muted); }
.tip-example .after { border-color: color-mix(in srgb, var(--accent) 40%, transparent); background: color-mix(in srgb, var(--accent) 7%, var(--surface-2)); }
.tip-example .after .label { color: var(--accent); }
.tip-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.streak { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: var(--text-2); }

/* features */
.feature { display: grid; gap: 10px; }
.feature .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 14%, var(--surface-2)); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.feature p { color: var(--text-2); font-size: 15px; }

/* pricing */
.price-grid { display: grid; gap: 16px; max-width: 880px; }
@media (min-width: 760px) { .price-grid { grid-template-columns: 1fr 1fr; } }
.price { display: grid; gap: 18px; align-content: start; padding: 28px; }
.price .amount { font-family: var(--font-display); font-size: 46px; font-weight: 700; letter-spacing: -0.03em; }
.price .amount small { font-size: 16px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.price ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.price li { display: flex; gap: 10px; color: var(--text-2); font-size: 15px; }
.price li svg { flex: none; color: var(--accent-2); margin-top: 3px; }
.badge-pop { position: absolute; top: 18px; right: 18px; }

/* faq */
details.faq { border-bottom: 1px solid var(--line); padding: 18px 0; }
details.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--muted); font-size: 22px; line-height: 1; transition: transform .2s; }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { margin-top: 10px; color: var(--text-2); max-width: 760px; }

/* ---------- leaderboard ---------- */
.lb-layout { display: grid; gap: 20px; }
@media (min-width: 1040px) { .lb-layout { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; } }
.orbit-card { padding: 18px; }
.orbit-wrap { position: relative; width: 100%; aspect-ratio: 1 / 1; max-width: 620px; margin: 0 auto; }
.orbit-wrap svg { width: 100%; height: 100%; overflow: visible; }
.orbit-wrap .spoke-label { font-size: 15px; fill: var(--text-2); font-weight: 500; cursor: pointer; }
.orbit-wrap .spoke-label.on { fill: var(--text); font-weight: 700; }
.orbit-wrap .ring { fill: none; stroke: var(--grid); stroke-width: 1; }
.orbit-wrap .spoke { stroke: var(--grid); stroke-width: 1; }
.orbit-wrap .ring-label { font-size: 12px; fill: var(--muted); }
.orbit-wrap .shape { fill-opacity: 0.12; stroke-width: 2; stroke-linejoin: round; transition: opacity .3s, fill-opacity .3s; }
.orbit-wrap .shape.dim { opacity: 0.12; }
.orbit-wrap .node { stroke: var(--surface); stroke-width: 2; transition: opacity .3s, r .2s; cursor: pointer; }
.orbit-wrap .node.dim { opacity: 0.15; }
.orbit-wrap .crown { font-size: 13px; pointer-events: none; }
.orbit-wrap .hit { fill: transparent; cursor: pointer; }
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.legend button { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface-2); color: var(--text-2); font-size: 13.5px; font-weight: 500; cursor: pointer; transition: all .15s; }
.legend button .sw { width: 10px; height: 10px; border-radius: 50%; }
.legend button[aria-pressed="true"] { color: var(--text); border-color: var(--line-strong); background: var(--surface-3); }
.legend button[aria-pressed="false"] { opacity: .55; }
.legend button[aria-pressed="false"] .sw { background: transparent !important; box-shadow: inset 0 0 0 2px var(--muted); }

.tooltip { position: fixed; z-index: 80; pointer-events: none; background: var(--surface-3); border: 1px solid var(--line-strong); border-radius: 12px; padding: 10px 12px; font-size: 13px; box-shadow: var(--shadow); max-width: 260px; opacity: 0; transition: opacity .12s; }
.tooltip.show { opacity: 1; }
.tooltip b { display: block; font-size: 14px; margin-bottom: 2px; }
.tooltip .row { display: flex; justify-content: space-between; gap: 16px; color: var(--text-2); }
.tooltip .row span:last-child { color: var(--text); font-variant-numeric: tabular-nums; }

.podium-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 6px; }
.podium-head h3 { font-size: 22px; }
.podium { display: grid; grid-template-columns: 1fr 1.15fr 1fr; align-items: end; gap: 10px; margin: 22px 0 18px; }
.podium .step { display: grid; justify-items: center; gap: 8px; text-align: center; }
.podium .who { font-weight: 600; font-size: 14px; line-height: 1.25; }
.podium .org { font-size: 12.5px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.podium .block { width: 100%; border-radius: 12px 12px 4px 4px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 26px; color: var(--text); border: 1px solid var(--line-strong); position: relative; overflow: hidden; animation: grow .6s cubic-bezier(.2,.8,.2,1) both; transform-origin: bottom; }
.podium .block::before { content: ""; position: absolute; inset: 0; background: var(--c); opacity: .22; }
.podium .block::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--c); }
.podium .block span { position: relative; }
.podium .s1 .block { height: 128px; } .podium .s2 .block { height: 96px; } .podium .s3 .block { height: 72px; }
@keyframes grow { from { transform: scaleY(0); } }
.rank-list { display: grid; gap: 2px; }
.rank-row { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 8px 6px; border-radius: 10px; font-size: 14px; }
.rank-row:hover { background: var(--surface-2); }
.rank-row .n { color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; font-size: 13px; }
.rank-row .nm { min-width: 0; display: grid; gap: 4px; }
.rank-row .nm b { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-row .bar { height: 6px; border-radius: 4px; background: var(--grid); position: relative; overflow: hidden; }
.rank-row .bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 4px; background: var(--c); }
.rank-row .score { font-variant-numeric: tabular-nums; color: var(--text-2); font-size: 13.5px; text-align: right; }
.move { font-size: 11.5px; font-weight: 600; margin-left: 6px; }
.move.up { color: var(--good-ink); } .move.down { color: var(--critical); } .move.new { color: var(--accent); }

.h2h { display: grid; gap: 14px; }
.h2h-pick { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; }
.h2h-pick .vs { font-family: var(--font-display); font-weight: 700; color: var(--muted); }
.h2h-row { display: grid; grid-template-columns: 1fr 110px 1fr; align-items: center; gap: 10px; font-size: 14px; }
.h2h-row .l, .h2h-row .r { display: flex; align-items: center; gap: 8px; }
.h2h-row .l { justify-content: flex-end; }
.h2h-row .mid { text-align: center; color: var(--muted); font-size: 12.5px; }
.h2h-row .pill { padding: 4px 10px; border-radius: 8px; background: var(--surface-2); font-variant-numeric: tabular-nums; font-weight: 600; min-width: 46px; text-align: center; }
.h2h-row .pill.win { background: color-mix(in srgb, var(--c) 28%, var(--surface-2)); box-shadow: inset 0 0 0 1px var(--c); }

.timeline { display: flex; gap: 2px; height: 34px; border-radius: 8px; overflow: hidden; margin-top: 8px; }
.timeline div { flex: 1; background: var(--c); opacity: .85; min-width: 2px; }
.timeline div:hover { opacity: 1; }

table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; padding: 8px 10px; border-bottom: 1px solid var(--line-strong); }
table.data td { padding: 9px 10px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
table.data tr:hover td { background: var(--surface-2); }
.table-scroll { overflow-x: auto; }

/* ---------- models ---------- */
.model-card { display: grid; gap: 14px; align-content: start; transition: transform .2s, border-color .2s; }
.model-card:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.model-card .top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.model-card .prov { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); font-weight: 500; }
.model-card .prov .dot { width: 9px; height: 9px; border-radius: 50%; }
.model-card h3 { font-size: 21px; margin-top: 4px; }
.model-card .summary { color: var(--text-2); font-size: 14.5px; }
.model-card .specs { display: flex; flex-wrap: wrap; gap: 6px; }
.changes { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; }
.changes li { display: flex; gap: 9px; font-size: 14px; color: var(--text-2); line-height: 1.4; }
.changes li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; margin-top: 7px; flex: none; background: var(--muted); }
.changes li.good::before { background: var(--good); }
.changes li.bad::before { background: var(--critical); }
.feed { display: grid; gap: 2px; }
.feed-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 10px; border-radius: 12px; }
.feed-row:hover { background: var(--surface-2); }
.feed-row .date { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.feed-row .nm { min-width: 0; }
.feed-row .nm b { display: block; font-weight: 600; }
.feed-row .nm span { display: block; color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feed-row .px { font-size: 13px; color: var(--text-2); text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 560px) { .feed-row { grid-template-columns: 1fr; gap: 4px; } .feed-row .px { text-align: left; } }

/* ---------- tips / library ---------- */
.prompt-card { display: grid; gap: 12px; align-content: start; }
.prompt-card pre { margin: 0; white-space: pre-wrap; font-family: var(--mono); font-size: 13px; line-height: 1.55; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; color: var(--text-2); max-height: 220px; overflow: auto; }
.prompt-card .actions { display: flex; flex-wrap: wrap; gap: 6px; }
.var { color: var(--accent); font-weight: 600; }
.archive { display: grid; gap: 8px; }
.archive details { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); padding: 14px 18px; }
.archive summary { cursor: pointer; display: flex; align-items: center; gap: 12px; font-weight: 600; list-style: none; }
.archive summary::-webkit-details-marker { display: none; }
.archive summary .d { color: var(--muted); font-weight: 500; font-size: 13px; width: 64px; flex: none; }
.archive details p { margin-top: 10px; color: var(--text-2); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 20px; }
.filters .input { max-width: 320px; }

/* ---------- status page ---------- */
.status-grid { display: grid; gap: 12px; }
@media (min-width: 760px) { .status-grid { grid-template-columns: repeat(2, 1fr); } }
.svc { display: grid; gap: 12px; }
.svc .head { display: flex; align-items: center; gap: 12px; }
.svc .head h3 { font-size: 18px; }
.svc .state { margin-left: auto; font-size: 13.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.svc .incident { border-left: 3px solid var(--warning); padding: 6px 12px; font-size: 14px; color: var(--text-2); background: var(--surface-2); border-radius: 0 10px 10px 0; }
.svc .incident.critical { border-color: var(--critical); }
.svc .comps { display: flex; flex-wrap: wrap; gap: 6px; }
.overall { display: flex; align-items: center; gap: 14px; padding: 20px 22px; }
.overall .big { font-family: var(--font-display); font-size: 22px; font-weight: 600; }

/* ---------- tools ---------- */
.tool-tabs { margin-bottom: 20px; }
.tool-panel { display: none; }
.tool-panel.on { display: block; animation: rise .3s ease both; }
.picker-tasks { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.task-btn { display: grid; gap: 6px; text-align: left; padding: 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface-2); cursor: pointer; transition: all .15s; font-size: 14px; font-weight: 600; }
.task-btn span { font-size: 22px; }
.task-btn:hover { border-color: var(--line-strong); }
.task-btn[aria-pressed="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--surface-2)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
.reco { display: grid; gap: 14px; margin-top: 20px; }
.reco-main { display: grid; gap: 8px; padding: 24px; }
.reco-main .name { font-family: var(--font-display); font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.stat-row { display: flex; flex-wrap: wrap; gap: 24px; }
.stat .v { font-family: var(--font-display); font-size: 26px; font-weight: 700; }
.stat .k { color: var(--muted); font-size: 13px; }
.two-col { display: grid; gap: 16px; }
@media (min-width: 860px) { .two-col { grid-template-columns: 1fr 1fr; } }
.out-box { white-space: pre-wrap; font-family: var(--mono); font-size: 13.5px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px; min-height: 160px; color: var(--text-2); }
.counter-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 600px) { .counter-stats { grid-template-columns: repeat(4, 1fr); } }
.counter-stats .card { padding: 14px 16px; }

/* legal pages */
.prose { max-width: 760px; color: var(--text-2); }
.prose h2 { font-size: 24px; margin: 36px 0 12px; color: var(--text); }
.prose p, .prose li { margin: 0 0 12px; }
.prose a { color: var(--accent); text-decoration: underline; }

dialog { background: var(--surface); }
dialog::backdrop { background: rgba(5, 6, 10, 0.6); backdrop-filter: blur(6px); }