.cbt{max-width:640px;margin:0 auto;width:100%;display:grid;gap:14px}.cbt-intro,.cbt-result{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;display:grid;gap:10px}.cbt-intro[hidden],.cbt-result[hidden],.cbt-plate-view[hidden]{display:none}.cbt-intro h2,.cbt-result h2{margin:0;font-size:1.3rem}.cbt-intro p,.cbt-intro ul,.cbt-result p{margin:0}.cbt-intro ul{padding-left:1.2em;display:grid;gap:4px}.cbt-disclaimer{background:var(--accent-soft);border-radius:var(--radius-sm);padding:10px 12px;font-size:.92rem}.cbt-actions{display:flex;gap:10px;flex-wrap:wrap}.cbt-last{font-size:.9rem}.cbt-plate-view{display:grid;gap:12px;justify-items:center}.cbt-progress{width:100%;display:grid;gap:6px;font-weight:600;text-align:center}.cbt-bar{height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden}.cbt-bar-fill{height:100%;background:var(--accent);transition:width .25s}.cbt-plate{padding:10px;border-radius:50%;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);line-height:0}.cbt-canvas{display:block;border-radius:50%}.cbt-prompt{margin:0;font-weight:600}.cbt-choices{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:100%;max-width:440px}.cbt-choice{font-size:1.25rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:6px;min-height:52px;font-variant-numeric:tabular-nums}.cbt-choice kbd{font-size:.65rem;color:var(--muted);border:1px solid var(--border);border-radius:4px;padding:0 4px;font-family:var(--mono);font-weight:400}.cbt-none{grid-column:1 / -1;font-size:1rem}.cbt-scores{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.cbt-score{background:var(--surface-2);border-radius:var(--radius-sm);padding:8px;text-align:center;display:grid;gap:2px}.cbt-score span{font-size:.78rem;color:var(--muted)}.cbt-score b{font-size:1.2rem;font-variant-numeric:tabular-nums}.cbt-reading{font-size:1.02rem}.cbt-review{margin:8px 0 0;padding-left:0;list-style:none;display:grid;gap:4px;font-size:.9rem}.cbt-review li{display:grid;grid-template-columns:1fr auto minmax(90px,auto);gap:8px;padding:4px 8px;border-radius:6px;background:var(--surface-2)}.cbt-review .cbt-miss{box-shadow:inset 3px 0 0 var(--bad)}.cbt-review .cbt-ok{box-shadow:inset 3px 0 0 var(--good)}@media (max-width: 400px){.cbt-choice{font-size:1.1rem;min-height:48px}.cbt-choice kbd{display:none}.cbt-scores{grid-template-columns:1fr}}