/* AutoRes Showcase — vanilla CSS, TPR-compatible regime */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hiragino Sans', 'Noto Sans JP', sans-serif;
    color: #1a1a1a;
    background: #fafafa;
    line-height: 1.6;
    font-feature-settings: "palt";
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, .mono {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 13px;
}

/* ---------------- site nav ---------------- */
.site-nav {
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: saturate(1.5) blur(6px);
    background: rgba(255, 255, 255, 0.92);
}
.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.site-nav .brand {
    font-size: 14px;
    font-weight: 700;
    color: #1a1a1a;
}
.site-nav ul {
    list-style: none;
    display: flex;
    gap: 4px;
}
.site-nav a {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    text-decoration: none;
}
.site-nav a:hover {
    background: #f0f4ff;
    color: #0066cc;
    text-decoration: none;
}
.site-nav a.active {
    background: #0066cc;
    color: #fff;
}

/* ---------------- header / hero ---------------- */
header.hero {
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 56px 0 40px;
    text-align: center;
}
header.hero h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
header.hero .subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 32px;
}

.component-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 32px;
    text-align: left;
}
.tile {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-left: 4px solid #0066cc;
    border-radius: 8px;
    padding: 18px 20px;
    transition: transform 0.12s, box-shadow 0.12s;
}
.tile:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}
.tile h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}
.tile .tagline {
    font-size: 13px;
    color: #555;
    margin-bottom: 12px;
    line-height: 1.5;
}
.tile .metric {
    font-size: 14px;
    font-weight: 600;
    color: #0066cc;
}
.tile .status {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    background: #e8f5e9;
    color: #2e7d32;
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tile .status.alpha { background: #fff3e0; color: #e65100; }

/* ---------------- main / sections ---------------- */
main { padding: 48px 0 80px; }

.section {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 32px 32px 36px;
    margin-bottom: 28px;
}
.section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e5e5;
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.section h2 .num {
    font-size: 14px;
    font-weight: 600;
    color: #0066cc;
    background: #f0f4ff;
    padding: 2px 10px;
    border-radius: 12px;
}
.section .lead {
    color: #555;
    font-size: 15px;
    margin: 12px 0 24px;
}

.section h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 24px 0 12px;
}

/* ---------------- chart-card ---------------- */
.chart-card {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 16px 20px 12px;
    margin: 16px 0;
}
.chart-card .chart-title {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 10px;
}
.chart-wrap {
    position: relative;
    height: 280px;
}
.chart-wrap.wide { height: 320px; }

.chart-row,
.chart-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 720px) {
    .chart-row,
    .chart-grid-2 { grid-template-columns: 1fr; }
}
.chart-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin: 0 0 10px;
    border-bottom: none;
    padding-bottom: 0;
}

/* §4 sub-section number badge */
.sub-num {
    display: inline-block;
    font-size: 0.85em;
    color: #0066cc;
    background: #f0f4ff;
    padding: 1px 8px;
    border-radius: 3px;
    margin-right: 8px;
    font-weight: 600;
    border: 1px solid #c7d8ff;
}

.bug-list {
    margin: 16px 0;
}

/* ---------------- §1 PaperBench notes ---------------- */
.iter-notes details {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 12px 16px;
    margin: 8px 0;
}
.iter-notes summary {
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 0;
    user-select: none;
}
.iter-notes summary::marker { color: #0066cc; }
.iter-notes ul {
    margin: 12px 0 6px 20px;
}
.iter-notes ul li { margin: 6px 0; font-size: 14px; }
.iter-notes .col-improved summary { color: #2e7d32; }
.iter-notes .col-failed summary { color: #c62828; }

.notes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 6px 0 12px;
}
@media (max-width: 720px) {
    .notes-grid { grid-template-columns: 1fr; }
}

/* ---------------- table ---------------- */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 14px;
}
th {
    text-align: left;
    font-weight: 600;
    padding: 10px 12px;
    border-bottom: 2px solid #e5e5e5;
    background: #fafafa;
}
td {
    padding: 10px 12px;
    border-bottom: 1px solid #f0f0f0;
}
tr.ours td { font-weight: 600; }
tr.highlight td {
    background: #fff8e1;
    color: #1a1a1a;
}
tr.highlight td:first-child::before { content: "★ "; color: #f9a825; }

/* ---------------- §2 cycle cards ---------------- */
.cycle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
    margin-top: 16px;
}
.cycle-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 16px 18px;
    position: relative;
}
.cycle-card.best {
    border-left: 4px solid #0066cc;
    background: #fff8e1;
}
.cycle-card .cycle-num {
    font-size: 12px;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.cycle-card .acc {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 4px 0 2px;
}
.cycle-card .delta {
    font-size: 13px;
    color: #666;
    margin-bottom: 10px;
}
.cycle-card .delta.up { color: #2e7d32; }
.cycle-card .delta.down { color: #c62828; }
.cycle-card .desc {
    font-size: 13px;
    color: #333;
    line-height: 1.5;
    margin-bottom: 8px;
}
.cycle-card .meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    background: #f0f4ff;
    color: #0066cc;
}
.badge.regressed {
    background: #ffebee;
    color: #c62828;
}
.badge.best {
    background: #fff3e0;
    color: #e65100;
}
.cycle-card.regressed::after {
    content: "↓ 退行";
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 11px;
    font-weight: 600;
    color: #c62828;
    background: #ffebee;
    padding: 2px 8px;
    border-radius: 4px;
}

/* ---------------- §3 reproduce ---------------- */
.gauge-wrap {
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
    margin: 12px 0 24px;
}
.gauge {
    --pct: 0.5;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background:
        conic-gradient(#0066cc 0 calc(var(--pct) * 360deg), #e5e5e5 0);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.gauge::before {
    content: "";
    position: absolute;
    inset: 14px;
    background: #fff;
    border-radius: 50%;
}
.gauge .gauge-text {
    position: relative;
    font-size: 28px;
    font-weight: 700;
    color: #0066cc;
}
.gauge-meta { flex: 1; min-width: 200px; font-size: 14px; color: #555; }
.gauge-meta .gauge-label { font-size: 13px; color: #666; margin-bottom: 4px; }
.gauge-meta .gauge-value { font-size: 18px; font-weight: 700; color: #1a1a1a; margin-bottom: 8px; }

.stage-timeline {
    list-style: none;
    margin: 16px 0;
    padding: 0;
}
.stage-timeline li {
    display: grid;
    grid-template-columns: 24px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 14px;
}
.stage-timeline li:last-child { border-bottom: none; }
.stage-indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}
.stage-indicator.fail {
    background: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.stage-name { font-weight: 600; }
.stage-msg { font-size: 12px; color: #666; margin-top: 2px; }
.stage-dur {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    color: #888;
}

.claims-list {
    margin-top: 20px;
}
.claim {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 12px 14px;
    margin: 8px 0;
    font-size: 13px;
}
.claim.claim-structured {
    background: #fff;
    border: 1px solid #e5e5e5;
    padding: 14px 18px;
    border-left: 4px solid #888;
}
.claim.claim-structured.passed { border-left-color: #2e7d32; }
.claim.claim-structured.failed { border-left-color: #c62828; }
.claim.claim-structured.untested { border-left-color: #f9a825; }
.claim .claim-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}
.claim .claim-metric {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
}
.claim .claim-status {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #888;
}
.claim .claim-status.passed { color: #2e7d32; }
.claim .claim-status.untested { color: #f9a825; }
.claim .claim-status.failed { color: #c62828; }
.claim code {
    font-size: 12px;
    color: #555;
    word-break: break-all;
}
.claim .claim-numbers {
    margin-top: 6px;
    font-size: 13px;
    color: #444;
}
.claim .claim-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 8px 0;
    font-size: 12.5px;
    color: #555;
}
.claim .claim-meta span { white-space: nowrap; }
.claim .claim-comparison {
    font-size: 12.5px;
    color: #666;
    background: #fafafa;
    padding: 6px 10px;
    border-radius: 4px;
    margin-top: 6px;
}
.claim .claim-status-jp {
    font-size: 13px;
    color: #f9a825;
    margin-top: 8px;
    font-weight: 600;
}
.claim.passed .claim-status-jp { color: #2e7d32; }
.claim.failed .claim-status-jp { color: #c62828; }
.claim .claim-reason {
    font-size: 12.5px;
    color: #555;
    margin-top: 6px;
    padding-left: 12px;
    border-left: 2px solid #e5e5e5;
}

/* breakdown row */
.breakdown-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 12px 0;
}
.breakdown-cell {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 13px;
    color: #555;
}
.breakdown-cell.passed { border-color: #2e7d32; color: #2e7d32; background: #e8f5e9; }
.breakdown-cell.failed { border-color: #c62828; color: #c62828; background: #ffebee; }
.breakdown-cell.untested { border-color: #f9a825; color: #b76e00; background: #fff8e1; }
.breakdown-cell.total { font-weight: 600; }

/* stage row Japanese caption */
.stage-row .stage-jp {
    font-size: 12.5px;
    color: #555;
    margin-top: 4px;
    line-height: 1.6;
    padding-left: 0;
    background: #f0f4ff;
    border-left: 2px solid #0066cc;
    padding: 4px 8px;
    border-radius: 0 4px 4px 0;
    margin-top: 6px;
}

/* data flow list */
.data-flow-list {
    list-style: none;
    margin: 12px 0;
    padding: 0;
}
.data-flow-list li {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 12px;
    padding: 8px 12px;
    background: #fafafa;
    border-radius: 6px;
    margin: 4px 0;
    font-size: 13.5px;
}
.data-flow-list .df-step {
    font-weight: 600;
    color: #0066cc;
}
.data-flow-list .df-value { color: #444; }

/* ---------------- §4 literature-scout ---------------- */
.concept-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 16px 0 24px;
}
@media (max-width: 720px) { .concept-flow { grid-template-columns: 1fr 1fr; } }
.concept-step {
    background: #f0f4ff;
    border: 1px solid #d0deff;
    border-radius: 6px;
    padding: 12px 14px;
    text-align: center;
    position: relative;
}
.concept-step .step-num {
    font-size: 11px;
    font-weight: 600;
    color: #0066cc;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}
.concept-step .step-label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}
.concept-step .step-detail {
    font-size: 12px;
    color: #555;
}

pre.cli-sample {
    background: #1a1a1a;
    color: #f0f0f0;
    padding: 16px 20px;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.5;
    overflow-x: auto;
    margin: 16px 0;
}

.paper-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 12px;
}
.paper-card {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-left: 3px solid #0066cc;
    border-radius: 6px;
    padding: 14px 16px;
}
.paper-card .paper-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
}
.paper-card .paper-title { font-size: 14px; font-weight: 600; }
.paper-card .paper-relevance {
    font-size: 13px;
    font-weight: 600;
    color: #0066cc;
    white-space: nowrap;
}
.paper-card .paper-meta { font-size: 12px; color: #666; margin-bottom: 8px; }
.paper-card .paper-abstract { font-size: 13px; color: #444; line-height: 1.5; margin-bottom: 6px; }
.paper-card .paper-reasoning {
    font-size: 12px;
    color: #555;
    background: #fff;
    border-left: 2px solid #0066cc;
    padding: 6px 10px;
    margin-top: 6px;
}

/* ---------------- footer ---------------- */
footer {
    text-align: center;
    padding: 40px 0;
    color: #888;
    font-size: 13px;
    border-top: 1px solid #e5e5e5;
    background: #fff;
}
footer .gen-time {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 11px;
    color: #aaa;
    margin-top: 4px;
}

/* ---------------- utility ---------------- */
.note-box {
    background: #fff8e1;
    border: 1px solid #ffe082;
    border-left: 4px solid #f9a825;
    border-radius: 6px;
    padding: 12px 16px;
    margin: 16px 0;
    font-size: 13px;
    color: #5d4037;
}
.note-box strong { color: #b71c1c; }

.lead-num {
    display: inline-block;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 22px;
    font-weight: 700;
    color: #0066cc;
    margin-right: 8px;
}

/* ---------------- methods page specific ---------------- */
.method-block {
    margin-top: 20px;
}
.method-block h4 {
    font-size: 14px;
    font-weight: 700;
    color: #0066cc;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 18px 0 8px;
    padding-bottom: 4px;
    border-bottom: 2px solid #f0f4ff;
}
.method-block p {
    font-size: 14.5px;
    line-height: 1.75;
    margin: 8px 0 12px;
    color: #333;
}
.method-block ul, .method-block ol {
    margin: 8px 0 14px 22px;
    font-size: 14px;
    line-height: 1.75;
}
.method-block li { margin: 4px 0; }
.method-block code {
    background: #f5f5f5;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 12.5px;
}

.task-card {
    background: #f0f4ff;
    border: 1px solid #d0deff;
    border-left: 4px solid #0066cc;
    border-radius: 6px;
    padding: 14px 18px;
    margin: 14px 0;
}
.task-card .task-label {
    font-size: 11px;
    font-weight: 700;
    color: #0066cc;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}
.task-card .task-text {
    font-size: 15px;
    font-weight: 500;
    color: #1a1a1a;
    line-height: 1.6;
}

.flow-steps {
    counter-reset: step;
    margin: 14px 0;
    padding: 0;
    list-style: none;
}
.flow-steps li {
    counter-increment: step;
    padding: 12px 16px 12px 56px;
    position: relative;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    margin: 8px 0;
    font-size: 14px;
    line-height: 1.65;
}
.flow-steps li::before {
    content: counter(step);
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #0066cc;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kv-table th { width: 200px; }
.kv-table td { color: #333; font-size: 14px; }
@media (max-width: 720px) {
    .kv-table th { width: auto; }
}

/* ---------------- glossary / term boxes ---------------- */
.term-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin: 16px 0;
}
.term-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 14px 16px;
}
.term-card .term-name {
    font-size: 14px;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 4px;
}
.term-card .term-name code {
    font-size: 12px;
    background: transparent;
    padding: 0;
    color: #555;
    margin-left: 6px;
}
.term-card .term-desc {
    font-size: 13px;
    line-height: 1.65;
    color: #444;
}

.intro-box {
    background: #f0f4ff;
    border: 1px solid #c7d8ff;
    border-radius: 6px;
    padding: 14px 18px;
    margin: 12px 0 18px;
    font-size: 14px;
    line-height: 1.7;
    color: #1a1a1a;
}
.intro-box strong { color: #0066cc; }

.callout {
    background: #fafafa;
    border-left: 3px solid #0066cc;
    padding: 10px 14px;
    margin: 14px 0;
    font-size: 13.5px;
    line-height: 1.65;
    color: #444;
    border-radius: 0 4px 4px 0;
}

.method-block .why {
    color: #777;
    font-style: italic;
    font-size: 13px;
    margin-top: 4px;
}

/* ---------------- mermaid flowcharts ---------------- */
.flow-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 18px 20px;
    margin: 14px 0 22px;
    overflow-x: auto;
}
.flow-card .flow-caption {
    font-size: 13px;
    color: #555;
    margin-top: 10px;
    line-height: 1.6;
    border-top: 1px solid #f0f0f0;
    padding-top: 10px;
}
.flow-card .mermaid {
    text-align: center;
    min-height: 100px;
}
.flow-card .mermaid svg { max-width: 100%; height: auto; }