.dc{max-width:760px;margin:0 auto;padding:26px 24px 90px}.dc-k{display:inline-flex;align-items:center;gap:9px;color:var(--house-learning-circle);font-size:11px;letter-spacing:.26em;text-transform:uppercase;font-weight:700;margin-bottom:8px}.dc-k .dot{width:6px;height:6px;border-radius:50%;background:var(--house-learning-circle,var(--warmth))}.dc h1{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:0 0 16px;color:var(--ink)}.dc-search{display:flex;align-items:center;gap:10px;background:var(--card-2);border:1px solid var(--border-soft);border-radius:999px;padding:11px 16px;margin:16px 0 14px}.dc-search input{flex:1;border:none;background:transparent;font-family:var(--font-body);font-size:15px;color:var(--ink);outline:none}.dc-search input::placeholder{color:var(--ink-mute)}.dc-search-kbd{color:var(--ink-mute);font-family:var(--font-mono);font-size:12px;flex-shrink:0}.dc-chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}.dc-chip{padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;background:var(--card);border:1px solid var(--border-hairline);color:var(--ink-dim);transition:background .12s,color .12s,border-color .12s}.dc-chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}.dc-chip:hover:not(.on){background:var(--card-2);border-color:var(--border-soft)}.dc-eyebrow{color:var(--house-learning-circle,var(--warmth-deep));font-size:11px;letter-spacing:.3em;text-transform:uppercase;font-weight:700;display:block;margin:24px 0 12px}.dc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width:600px){.dc-grid{grid-template-columns:1fr}}.dc-c{background:var(--card);border:1px solid var(--border-hairline);box-shadow:var(--shadow-card);border-radius:var(--radius-lg);padding:18px;position:relative;overflow:hidden;cursor:pointer;transition:transform .14s,box-shadow .14s}.dc-c:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}.dc-c:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--house-learning-circle,var(--warmth))}.dc-top{gap:11px}.dc-g,.dc-top{display:flex;align-items:center}.dc-g{justify-content:center;width:38px;height:38px;border-radius:var(--radius-md);flex-shrink:0;color:var(--house-learning-circle,var(--warmth-deep));background:color-mix(in srgb,var(--house-learning-circle,var(--warmth)) 11%,var(--card));border:1px solid color-mix(in srgb,var(--house-learning-circle,var(--warmth)) 22%,transparent)}.dc-t{color:var(--ink);font-weight:700;font-size:15.5px}.dc-h{font-size:12px;margin-top:1px}.dc-d,.dc-h{color:var(--ink-dim)}.dc-d{font-size:13px;line-height:1.55;margin:8px 0}.dc-f{display:flex;align-items:center;gap:8px;padding-top:10px;border-top:1px solid var(--border-hairline)}.dc-bar{flex:1;height:6px;background:var(--paper-sunken);overflow:hidden}.dc-bar,.dc-bar i{border-radius:999px}.dc-bar i{display:block;height:100%;background:var(--house-learning-circle,var(--warmth))}.dc-cnt{color:var(--ink-mute);font-family:var(--font-mono);font-size:11px;flex-shrink:0}.dc-reason{color:var(--warmth-deep);font-size:11.5px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:5px}.dc-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:12px 22px;border-radius:999px;font-size:14px;font-weight:600;box-shadow:var(--shadow-modal);z-index:70;white-space:nowrap}