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6px;text-align:center}.stat-value{display:block;font-size:1.5rem;font-weight:700}.stat-label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:2px}.prompt-card{text-align:center;padding:26px 20px;margin-bottom:18px}.prompt-label{margin:0;color:var(--muted)}.prompt-date{margin:6px 0 2px;font-size:1.9rem;font-weight:700;letter-spacing:-.01em}.timer{margin:8px 0 0;color:var(--muted);font-variant-numeric:tabular-nums;font-size:.9rem}.weekday-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:10px}.weekday-btn{position:relative;background:var(--card-2);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:16px 10px;font-weight:600;transition:transform .08s ease,background .15s ease,border-color .15s ease}.weekday-btn:hover:not(:disabled){transform:translateY(-2px);border-color:var(--accent)}.weekday-btn .kbd{position:absolute;top:6px;left:8px;font-size:.68rem;color:var(--muted)}.weekday-btn.correct{background:var(--good-bg);border-color:var(--good);color:#d6ffee}.weekday-btn.wrong{background:var(--bad-bg);border-color:var(--bad);color:#ffe0e7}.weekday-btn.dim{opacity:.45}.weekday-btn:disabled{cursor:default}.feedback{margin-top:16px;padding:18px;border-left-width:4px}.feedback.ok{border-left-color:var(--good)}.feedback.no{border-left-color:var(--bad)}.feedback-title{margin:0 0 14px;font-size:1.05rem}.feedback-time{color:var(--muted);font-weight:400}.actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--border);background:var(--card-2);color:var(--text);padding:10px 18px;border-radius:10px;font-weight:600}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:0;color:#fff}.btn.ghost{background:transparent}.hint{text-align:center;color:var(--muted);font-size:.85rem;margin-top:22px}.explorer{padding:20px}.date-picker{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}.date-picker label{display:flex;flex-direction:column;gap:5px;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);flex:1;min-width:90px}.date-picker select,.date-picker input{font:inherit;color:var(--text);background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;text-transform:none;letter-spacing:normal}.date-picker select:focus,.date-picker input:focus{outline:2px solid var(--accent);outline-offset:0}.steps{list-style:none;counter-reset:none;margin:0;padding:8px 20px 20px}.explorer .steps{border:0;padding:8px 0 0}.quiz-breakdown{margin-top:16px}.quiz-breakdown .steps{background:var(--bg-2)}.steps li{padding:16px 0;border-bottom:1px solid var(--border)}.steps li:last-child{border-bottom:0}.step-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}.step-num{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:.85rem;font-weight:700;flex-shrink:0}.step-head h3{font-size:1rem}.steps p{margin:6px 0;color:var(--muted);line-height:1.55}.steps p b{color:var(--text)}.calc{font-family:ui-monospace,monospace;background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;color:var(--text)!important;font-size:.92rem;line-height:1.7!important}.pill{display:inline-block;background:#7c8cff29;color:#cfd6ff;border:1px solid var(--border);padding:1px 10px;border-radius:999px;font-weight:600}.pill-final{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:0;font-size:1.05em;padding:3px 14px}.result-step .final{font-size:1.15rem;color:var(--text)}.ref-label{margin-top:12px!important;font-size:.85rem}.ref-table{width:100%;border-collapse:collapse;margin-top:6px;font-size:.86rem;background:var(--bg-2);border:1px solid var(--border);border-radius:10px;overflow:hidden}.ref-table th,.ref-table td{text-align:left;padding:7px 12px;border-bottom:1px solid var(--border)}.ref-table thead th{color:var(--muted);font-weight:600;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;background:#7c8cff0f}.ref-table tbody tr:last-child td{border-bottom:0}.ref-table tbody td{color:var(--text);font-variant-numeric:tabular-nums}.ref-table tbody tr.active{background:#7c8cff2e;box-shadow:inset 3px 0 0 var(--accent)}.ref-table tbody tr.active td{color:#fff;font-weight:600}.month-table .mnemonic-cell{color:var(--muted);font-weight:400}.month-table tr.active .mnemonic-cell{color:#e9ebff}.leap-note{color:var(--muted)}.leap-note em{font-style:normal;font-size:.85em}.ref-table tfoot td{border-top:1px solid var(--border);border-bottom:0;color:var(--muted);font-size:.82rem;background:#7c8cff0a}.ref-table tfoot b{color:var(--text)}.app-footer{margin-top:34px;text-align:center}.app-footer p{color:var(--muted);font-size:.82rem;line-height:1.6}@media (max-width: 460px){.scoreboard{grid-template-columns:repeat(2,1fr)}.prompt-date{font-size:1.5rem}}:root{--bg: #0f1226;--bg-2: #171a35;--card: #1e2145;--card-2: #262a55;--border: #33386e;--text: #e9ebff;--muted: #a2a7d4;--accent: #7c8cff;--accent-2: #a679ff;--good: #46d19e;--good-bg: rgba(70, 209, 158, .12);--bad: #ff6b8a;--bad-bg: rgba(255, 107, 138, .12);--radius: 14px;color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(1100px 500px at 15% -10%,#26265a 0%,transparent 60%),radial-gradient(900px 500px at 110% 0%,#2a1a52 0%,transparent 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