/* Layout and components. Colors, fonts and radii come only from theme.css tokens. */
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 var(--font-sans); padding-inline: 16px; padding-block: 20px 40px; }
main { max-width: 1100px; margin: 0 auto; display: grid; gap: 28px; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
h1 { font-size: 20px; letter-spacing: -0.01em; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; }
h3 { font-size: 15px; }
section { display: grid; gap: var(--gap); }
.tabpanel { gap: 24px; }
.tabpanel[hidden] { display: none; }
.note { color: var(--muted); font-size: 13px; margin: 0; }

/* tab bar */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; background: transparent; color: var(--muted); font: 600 13px var(--font-sans); padding: 10px 4px; margin-right: 18px; cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.tabs button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.top .asof { color: var(--muted); font-size: 12px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 10px; align-content: start; }
.cards3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--gap); }

/* segmented control */
.seg { display: inline-flex; background: var(--surface-2); border-radius: 8px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: transparent; color: var(--muted); font: 600 12px var(--font-sans); padding: 5px 12px; border-radius: 6px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgb(0 0 0 / 0.12); }
.seg button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* verdict hero */
.verdict { border-left: 4px solid var(--v); }
.verdict .label { font-size: clamp(30px, 7vw, 44px); font-weight: 700; line-height: 1.05; color: var(--v); letter-spacing: -0.02em; }
.verdict .why { margin: 0; max-width: 62ch; }
.subs { display: flex; gap: 24px; flex-wrap: wrap; }
.sub b { display: block; font: 500 24px var(--font-mono); }
.sub span { color: var(--muted); font-size: 12px; }

/* pair cards */
.pair .head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.pair .price { font: 500 20px var(--font-mono); }
.chg-pos { color: var(--pos); }
.chg-neg { color: var(--neg); }
.score { display: flex; align-items: baseline; gap: 8px; }
.score b { font: 600 32px var(--font-mono); line-height: 1; }
.score span { color: var(--muted); font-size: 12px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; font-size: 13px; }
.checks li { display: flex; gap: 8px; }
.checks li::before { content: "✕"; color: var(--neg); width: 1em; flex: none; }
.checks li.ok::before { content: "✓"; color: var(--pos); }
.checks li:not(.ok) { color: var(--muted); }

/* heat */
.heat { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; }
.heat .big { font: 600 56px var(--font-mono); line-height: 1; }
.heat .zone { font-weight: 600; }
.meter { position: relative; height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--cold) 0 40%, var(--mild) 40% 70%, var(--hot) 70% 85%, var(--euphoria) 85% 100%); }
.meter i { position: absolute; top: -5px; width: 4px; height: 22px; background: var(--text); border-radius: 2px; transform: translateX(-2px); }
.scale { position: relative; height: 16px; color: var(--muted); font-size: 11px; margin: 4px 6px 6px; }
.scale span { position: absolute; transform: translateX(-50%); }
@media (max-width: 480px) { .heat { grid-template-columns: 1fr; } }

/* drivers: value / chart modes */
.driver .val { display: flex; align-items: baseline; gap: 10px; }
.driver .val b { font: 600 30px var(--font-mono); }
.bar { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--series-1); }
.driver .mini { position: relative; height: 110px; }
#drivers[data-mode="value"] .mini, #drivers[data-mode="chart"] .val, #drivers[data-mode="chart"] .bar { display: none; }

/* expandable charts */
details summary { cursor: pointer; color: var(--accent); font-size: 13px; font-weight: 600; list-style: none; width: fit-content; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: "▸ "; }
details[open] summary::before { content: "▾ "; }
.chart { position: relative; height: 260px; margin-top: 10px; }
.chart.sm { height: 110px; margin-top: 4px; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.legend span::before { content: ""; display: inline-block; width: 12px; height: 3px; background: var(--c); margin-right: 6px; vertical-align: middle; }

footer { color: var(--muted); font-size: 12px; }
footer a { color: var(--accent); }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }