/* Quanteta GPU Performance Index — Phase C design (bplus design language) */
/* Clean "public data bank" look: Lato light typography, accent underlines,
   borderless tables, index gauges + ranking bars. Single source: build.py. */

:root {
    --bg: #FAFAFA;
    --surface: #ffffff;
    --text: #2A2A33;
    --text-muted: #8A8A95;
    --border: #ECECEC;
    --accent: #2F80ED;
    --accent-hover: #1A6DD4;
    --green: #27AE60;
    --orange: #F2994A;
    --red: #EB5757;
    --gold: #D4A017;
    --silver: #8E8E8E;
    --bronze: #B87333;
    --max-width: 1140px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Typography: high jump ratio, ultra-light weight (bplus) === */
h1, h2, h3 { font-family: "Lato", sans-serif; color: var(--text); }
h1 { font-size: 44px; font-weight: 200; letter-spacing: -1.4px; line-height: 1.15; margin-bottom: 10px; }
h2 { font-size: 26px; font-weight: 300; letter-spacing: -0.5px; margin-bottom: 12px; }
h3 { font-size: 19px; font-weight: 400; }
.title-accent { color: var(--accent); }

/* === Navigation === */
.nav-bar {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.logo { font-size: 25px; font-weight: 200; letter-spacing: -0.5px; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo-sub { display: block; font-size: 12px; font-weight: 300; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; }
.nav-links { display: flex; gap: 16px; font-size: 14px; align-items: center; flex-wrap: wrap; }
header { background: transparent; border-bottom: 1px solid var(--border); }
.lang-switch { margin-left: 4px; display: inline-flex; gap: 6px; }
.lang-switch a { font-size: 12px; padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; }
.lang-switch a.active { background: var(--accent); color: #fff; }

/* === Main === */
main { max-width: var(--max-width); margin: 0 auto; padding: 28px 20px; }
.hero, .game-hero, .about-hero { margin-bottom: 28px; }
.tldr { font-size: 19px; font-weight: 300; line-height: 1.6; color: var(--text); margin-bottom: 6px; }
.updated { font-size: 13px; color: var(--text-muted); }
.muted { color: var(--text-muted); font-size: 13px; }

/* === "Not a benchmark" honesty banner (DG:信頼性の証明) === */
.index-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #F3F8FF;
    border-left: 3px solid var(--accent);
    border-radius: 0 6px 6px 0;
    padding: 10px 16px;
    margin: 16px 0 24px;
    font-size: 14px;
    color: var(--text);
}
.index-note::before { content: "ⓘ"; color: var(--accent); font-weight: 700; flex: 0 0 auto; }
.index-note.compact { font-size: 13px; padding: 8px 14px; margin: 12px 0; }

/* === Index gauges (replaces AQI donut) — score 0-100 as a horizontal gauge === */
.score-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; }
.score-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.score-item {
    background: var(--surface);
    border: none;
    border-bottom: 2px solid var(--accent);
    border-radius: 4px 4px 0 0;
    padding: 16px 18px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.score-card {
    background: var(--surface);
    border: none;
    border-bottom: 2px solid var(--accent);
    border-radius: 4px 4px 0 0;
    padding: 18px 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.score-card h3 { font-size: 16px; font-weight: 400; margin-bottom: 8px; }
.score-card .score-code { font-size: 11px; color: var(--text-muted); font-weight: 700; letter-spacing: 1px; }
.score-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.score-label { display: block; font-size: 12px; color: var(--text-muted); font-weight: 700; letter-spacing: 0.5px; margin-bottom: 2px; }
.score-name { display: block; font-size: 13px; font-weight: 400; color: var(--text); margin-bottom: 8px; }
.score-sub { display: block; font-size: 12px; color: var(--text-muted); }
.score-value {
    display: block;
    font-size: 38px;
    font-weight: 200;
    letter-spacing: -1.5px;
    font-family: "Lato", sans-serif;
    line-height: 1.1;
}
.score-value small, .score-value .of100 { font-size: 14px; color: var(--text-muted); font-weight: 300; letter-spacing: 0; }
.gauge-track { display: block; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin: 8px 0 4px; }
.gauge-fill { display: block; height: 100%; background: var(--accent); border-radius: 3px; width: 0; transition: width 1.2s cubic-bezier(0.25,0.46,0.45,0.94); }
.score-pct { display: inline-block; font-size: 11px; color: var(--green); font-weight: 700; }
.score-help { font-size: 11px; color: var(--accent); border: 1px solid var(--border); border-radius: 50%; padding: 0 5px; text-decoration: none; margin-left: 4px; }

/* === Ranking bar chart (visual top list) === */
.rank-chart { margin: 8px 0 24px; }
.rank-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.rank-bar-pos { width: 26px; text-align: right; font-size: 13px; color: var(--text-muted); font-weight: 700; }
.rank-bar-name { width: 200px; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-bar-name a { color: var(--text); }
.rank-bar-track { flex: 1; height: 10px; background: var(--border); border-radius: 5px; overflow: hidden; }
.rank-bar-fill { display: block; height: 100%; border-radius: 5px; width: 0; background: var(--accent); transition: width 1.1s cubic-bezier(0.25,0.46,0.45,0.94); }
.rank-bar-fill.pos-1 { background: var(--gold); }
.rank-bar-fill.pos-2 { background: var(--silver); }
.rank-bar-fill.pos-3 { background: var(--bronze); }
.rank-bar-val { width: 38px; font-size: 13px; font-weight: 700; text-align: right; }

/* === Tables (borderless, bplus) === */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: transparent; border: none; font-size: 14px; }
thead { background: transparent; border-bottom: 2px solid var(--border); }
th { padding: 12px 14px; text-align: left; font-size: 13px; font-weight: 700; color: var(--text); letter-spacing: 0; white-space: nowrap; }
td { padding: 10px 14px; border-top: 1px solid var(--border); white-space: nowrap; }
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: #F5F7FA; }
td .index-val { font-weight: 700; }
.col-vendor-nvidia { color: var(--green); font-weight: 600; }
.col-vendor-amd { color: var(--red); font-weight: 600; }
.col-vendor-intel { color: var(--accent); font-weight: 600; }

/* === Filters === */
.filters { background: transparent; border: none; border-bottom: 1px solid var(--border); border-radius: 0; padding: 14px 0; margin-bottom: 22px; }
.filters h2 { font-size: 17px; font-weight: 300; margin-bottom: 12px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 16px; }
.filter-group { flex: 1; min-width: 150px; }
.filter-group label { display: block; font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 4px; }
.filter-group input, .filter-group select { width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 5px; font-size: 14px; background: var(--surface); }
.filter-group input:focus, .filter-group select:focus { outline: none; border-color: var(--accent); }
.filter-count { margin-top: 8px; font-size: 13px; color: var(--text-muted); }

/* === Detail metadata grid (striped + ruled rows for readability) === */
.meta-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    font-size: 14px;
    border-top: 1px solid var(--border);
}
.meta-grid dt,
.meta-grid dd {
    padding: 9px 14px;
    border-bottom: 1px solid var(--border);
    align-self: stretch;
}
.meta-grid dt { font-weight: 700; color: var(--text-muted); }
.meta-grid dd { margin: 0; }
/* zebra striping: dt+dd are emitted as adjacent pairs, so every 4 children = 2 rows */
.meta-grid dt:nth-of-type(odd),
.meta-grid dt:nth-of-type(odd) + dd { background: #FAFBFC; }

/* === Related GPUs (per-axis nearest-neighbour cards, bplus tone) === */
.related-gpus { margin-top: 36px; }
.related-axis { margin-bottom: 22px; }
.related-axis-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-transform: none;
    margin: 0 0 10px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}
.related-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    background: var(--surface);
    border: none;
    border-bottom: 2px solid var(--accent);
    border-radius: 4px 4px 0 0;
    padding: 14px 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    color: var(--text);
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.related-card:hover { text-decoration: none; box-shadow: 0 3px 10px rgba(0,0,0,0.08); transform: translateY(-2px); }
.related-card.vendor-nvidia { border-bottom-color: var(--green); }
.related-card.vendor-amd { border-bottom-color: var(--red); }
.related-card.vendor-intel { border-bottom-color: var(--accent); }
.related-name { display: block; font-size: 15px; font-weight: 400; line-height: 1.3; color: var(--text); }
.related-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.related-value { font-size: 14px; font-weight: 700; color: var(--text); font-family: "Lato", sans-serif; }
.related-index { font-size: 12px; color: var(--text-muted); font-weight: 700; letter-spacing: 0.3px; }
.related-index .of100 { font-size: 11px; font-weight: 300; }

/* === Breadcrumb === */
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

/* === Copy button === */
.copy-btn { display: inline-block; background: transparent; border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; font-size: 11px; cursor: pointer; color: var(--text-muted); font-family: inherit; }
.copy-btn:hover { background: #F1F3F5; color: var(--text); }

/* === Amazon affiliate button + disclosure (bplus) === */
.affiliate-box { margin-top: 16px; }
.amazon-btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.2px;
    transition: background 0.15s ease;
}
.amazon-btn:hover { background: var(--accent-hover); text-decoration: none; }
.affiliate-note { font-size: 12px; color: var(--text-muted); margin-top: 7px; line-height: 1.5; max-width: 640px; }
.affiliate-disclosure { display: inline; }
.footer-affiliate { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* === Rank tabs === */
.rank-tabs { display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; }
.rank-tabs a { padding: 5px 14px; border: 1px solid var(--border); border-radius: 6px; font-weight: 600; font-size: 13px; }
.rank-tabs a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* === Generic sections === */
section { margin-bottom: 28px; }
section h2 { font-size: 24px; font-weight: 300; margin-bottom: 12px; }
section h3 { font-size: 17px; font-weight: 400; margin: 14px 0 6px; }
section p, section li { font-size: 14px; color: var(--text); margin-bottom: 6px; }
section ul, section ol { padding-left: 20px; }
section dl { margin-bottom: 8px; }
section dt { font-weight: 700; margin-top: 8px; }
section dd { margin: 0 0 4px 0; }
.formula { font-family: "SFMono-Regular", Menlo, Consolas, monospace; font-size: 13px; background: #F5F7FA; padding: 2px 6px; border-radius: 4px; }

.back-link { margin-top: 32px; }
.error-page { text-align: center; padding: 60px 20px; }
.error-page h1 { font-size: 40px; margin-bottom: 16px; }

/* === Footer === */
footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 24px 0; font-size: 13px; color: var(--text-muted); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; text-align: center; }
.footer-inner a { color: var(--text-muted); text-decoration: underline; }

/* === Compare remove button === */
#compare-table th .rm { margin-left: 6px; }

/* === Responsive === */
@media (max-width: 768px) {
    h1 { font-size: 32px; }
    h2, section h2 { font-size: 21px; }
    .nav-bar { flex-direction: column; align-items: flex-start; }
    .filter-row { flex-direction: column; }
    .score-grid, .score-cards { grid-template-columns: 1fr 1fr; }
    .meta-grid { grid-template-columns: 140px 1fr; }
    .related-cards { grid-template-columns: 1fr 1fr; }
    .rank-bar-name { width: 120px; }
    td, th { padding: 8px 8px; font-size: 13px; }
}
@media (max-width: 480px) {
    .score-grid, .score-cards { grid-template-columns: 1fr; }
    .related-cards { grid-template-columns: 1fr; }
    .meta-grid { grid-template-columns: 110px 1fr; }
}