:root {
    color-scheme: light;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
    background: #f5f7fb;
    color: #172033;
    --ink: #172033;
    --muted: #667085;
    --line: #e4e7ec;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --brand: #175cd3;
    --success: #027a48;
    --success-soft: #ecfdf3;
    --warning: #b54708;
    --warning-soft: #fffaeb;
    --danger: #b42318;
    --danger-soft: #fef3f2;
}

* { box-sizing: border-box; }
body { margin: 0; background: #f5f7fb; color: var(--ink); }
header, main { max-width: 900px; margin: auto; padding: 1rem; }
header { display: flex; justify-content: space-between; gap: 1rem; background: #fff; }
nav, .inline { display: inline-flex; gap: .75rem; }
main { background: #fff; margin-top: 1rem; border-radius: .75rem; }
form:not(.inline) { display: grid; gap: 1rem; max-width: 620px; }
label { display: grid; gap: .35rem; }
input, select, button, textarea { font: inherit; padding: .65rem; }
button { cursor: pointer; }
a { color: var(--brand); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid #84adff; outline-offset: 3px; border-radius: .2rem; }
.error, .notice { padding: .75rem; border-radius: .4rem; background: #fff2f0; }
.verdict { font-weight: 800; font-size: 1.5rem; }
.verdict-low_risk { color: var(--success); }
.verdict-review { color: var(--warning); }
.verdict-block, .verdict-invalid { color: var(--danger); }
.break { overflow-wrap: anywhere; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .92em; }
dl { display: grid; grid-template-columns: minmax(9rem, auto) 1fr; gap: .5rem; }
dt { font-weight: 700; }
dd { margin: 0; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .5rem; border-bottom: 1px solid #ddd; }
.table-scroll { max-width: 100%; overflow-x: auto; }
.capability-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.capability-card { display: grid; gap: .4rem; min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface-soft); text-decoration: none; }
.capability-card strong { color: var(--ink); }
.capability-card span { color: var(--muted); font-size: .9rem; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }
.summary-grid > div { padding: .8rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--surface-soft); }
.summary-grid span, .summary-grid strong { display: block; overflow-wrap: anywhere; }
.summary-grid span { color: var(--muted); font-size: .78rem; }
.source-status-section { margin-top: 1rem; }

.result-view {
    min-height: 100vh;
    background: radial-gradient(circle at 15% -10%, rgba(23, 92, 211, .12), transparent 34rem), #f5f7fb;
}
.result-view .app-header { max-width: 1120px; align-items: center; margin: 0 auto; padding: 1.15rem 1.5rem; background: transparent; }
.brand { color: var(--ink); font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.app-header nav a { color: #475467; font-weight: 650; text-decoration: none; }
.app-header nav a:hover, .app-header nav a:focus-visible { color: var(--brand); }
.result-view .result-shell { display: grid; gap: 1.25rem; max-width: 1120px; margin: 0 auto 3rem; padding: .5rem 1.5rem 2rem; background: transparent; }

.verdict-card, .result-section { background: var(--surface); border: 1px solid rgba(16, 24, 40, .07); border-radius: 1.1rem; box-shadow: 0 10px 34px rgba(16, 24, 40, .06); }
.verdict-card { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1.15rem; padding: 1.75rem; border-top: 4px solid var(--brand); }
.verdict-card-low_risk { border-top-color: var(--success); }
.verdict-card-review { border-top-color: #f79009; }
.verdict-card-block, .verdict-card-invalid { border-top-color: var(--danger); }
.verdict-symbol { display: grid; place-items: center; width: 3.5rem; height: 3.5rem; border-radius: 50%; color: #fff; background: var(--brand); font-size: 1.65rem; font-weight: 900; }
.verdict-card-low_risk .verdict-symbol { background: var(--success); }
.verdict-card-low_risk .verdict-symbol::before { content: "✓"; }
.verdict-card-review .verdict-symbol { background: #f79009; }
.verdict-card-review .verdict-symbol::before { content: "!"; }
.verdict-card-block .verdict-symbol, .verdict-card-invalid .verdict-symbol { background: var(--danger); }
.verdict-card-block .verdict-symbol::before, .verdict-card-invalid .verdict-symbol::before { content: "×"; }
.section-kicker { margin: 0 0 .35rem; color: var(--brand); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.verdict-content h1 { margin: 0; font-size: clamp(1.75rem, 4vw, 2.5rem); letter-spacing: -.035em; }
.verdict-reasons { margin-top: 1rem; color: #344054; }
.verdict-reasons-title { margin: 0 0 .35rem; color: var(--muted); font-size: .82rem; font-weight: 750; }
.verdict-reasons ul { margin: 0; padding-left: 1.2rem; }
.verdict-disclaimer { margin: 1rem 0 0; color: var(--muted); font-size: .9rem; }

.result-section { padding: 1.5rem; }
.section-heading { margin-bottom: 1rem; }
.section-heading h2 { margin: 0; font-size: 1.3rem; letter-spacing: -.02em; }
.fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.fact-item { min-width: 0; padding: .9rem 1rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface-soft); }
.fact-item-wide { grid-column: 1 / -1; }
.fact-item span, .source-result span, .score-panel span { display: block; margin-bottom: .25rem; color: var(--muted); font-size: .78rem; font-weight: 650; }
.fact-item strong { line-height: 1.45; }

.coverage-summary { display: grid; gap: .35rem; margin-bottom: 1rem; padding: .85rem 1rem; border: 1px solid #d6e4ff; border-radius: .75rem; background: #f5f8ff; color: #344054; font-size: .88rem; }
.coverage-summary p { margin: 0; }
.coverage-dot { display: inline-block; width: .5rem; height: .5rem; margin-right: .55rem; border-radius: 50%; vertical-align: .08em; }
.coverage-dot-off { background: #98a2b3; }
.coverage-dot-warn { background: #f79009; }
.coverage-dot-info { background: var(--brand); }
.source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.source-card { min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); }
.source-card-complete { border-color: #abefc6; }
.source-card-unavailable, .source-card-timeout, .source-card-incomplete { border-color: #fedf89; }
.source-card-disabled { background: #fcfcfd; }
.source-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem; }
.source-card-header h3 { margin: 0; font-size: 1.05rem; }
.source-card-header p { margin: .2rem 0 0; color: var(--muted); font-size: .8rem; }
.status-pill { flex: 0 0 auto; padding: .28rem .55rem; border-radius: 999px; background: #f2f4f7; color: #475467; font-size: .72rem; font-weight: 750; }
.status-pill-complete { background: var(--success-soft); color: var(--success); }
.status-pill-unavailable, .status-pill-timeout, .status-pill-incomplete { background: var(--warning-soft); color: var(--warning); }
.source-result { margin-top: .9rem; padding: .75rem; border-radius: .65rem; background: #f2f4f7; }
.source-result strong { line-height: 1.35; }
.source-result-clear { background: var(--success-soft); color: #05603a; }
.source-result-risk { background: var(--danger-soft); color: var(--danger); }
.source-result-neutral { color: #475467; }
.source-availability { margin: .75rem 0 0; color: var(--muted); font-size: .82rem; }
.score-panel { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: .75rem; }
.score-panel > div { padding: .75rem; border-radius: .65rem; background: #f5f8ff; }
.score-panel strong { font-size: 1.2rem; color: #1849a9; }
.risk-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .8rem; }
.risk-tag { padding: .35rem .6rem; border: 1px solid #fecdca; border-radius: 999px; background: var(--danger-soft); color: var(--danger); font-size: .78rem; font-weight: 750; }
.evidence-details { margin-top: .85rem; border-top: 1px solid var(--line); }
.evidence-details summary { padding: .8rem 0 0; color: var(--brand); cursor: pointer; font-size: .82rem; font-weight: 700; }
.evidence-details summary:focus-visible { outline: 2px solid #84adff; outline-offset: 3px; border-radius: .2rem; }
.evidence-details dl { grid-template-columns: 7rem 1fr; margin: .75rem 0 0; color: #475467; font-size: .78rem; }
.chain-evidence { margin-top: 1rem; }
.result-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding: 0 .2rem; color: var(--muted); font-size: .78rem; }

@media (max-width: 720px) {
    dl { grid-template-columns: 1fr; }
    header { display: block; }
    table { font-size: .85rem; }
    .result-view .app-header { display: flex; padding: 1rem; }
    .app-header nav { gap: .6rem; font-size: .9rem; }
    .result-view .result-shell { padding: .25rem 1rem 1.5rem; }
    .verdict-card { grid-template-columns: 2.6rem 1fr; gap: .8rem; padding: 1.2rem; }
    .verdict-symbol { width: 2.6rem; height: 2.6rem; font-size: 1.2rem; }
    .result-section { padding: 1.1rem; }
    .fact-grid, .source-grid { grid-template-columns: 1fr; }
    .capability-grid, .summary-grid { grid-template-columns: 1fr; }
    .fact-item-wide { grid-column: auto; }
    .source-card-header { align-items: center; }
    .evidence-details dl { grid-template-columns: 1fr; }
    .batch-table, .batch-table tbody, .batch-table tr, .batch-table td[data-label] { display: grid; width: 100%; }
    .batch-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .batch-table tbody { gap: .8rem; }
    .batch-table tr { gap: .45rem; padding: .8rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--surface-soft); }
    .batch-table td { grid-template-columns: minmax(4.5rem, auto) minmax(0, 1fr); gap: .75rem; padding: .25rem 0; border: 0; }
    .batch-table td::before { content: attr(data-label); color: var(--muted); font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-weight: 700; }
}

@media (prefers-reduced-motion: no-preference) {
    .source-card, .fact-item { transition: transform .16s ease, box-shadow .16s ease; }
    .source-card:hover, .fact-item:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(16, 24, 40, .06); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}