:root{--bg:#f4f7fb;--panel:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--primary:#0f172a;--danger:#b91c1c;--success:#15803d;--warning:#b45309;--shadow:0 18px 45px #0f172a14}body[data-theme=dark]{--bg:#07111f;--panel:#0f1a2b;--text:#e5eefc;--muted:#94a3b8;--line:#223047;--primary:#2563eb;--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;--shadow:0 18px 45px #00000059}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{background:var(--primary);color:#fff;cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:13px 18px;font-weight:700;transition:all .18s;display:inline-flex}button:hover{filter:brightness(1.08);transform:translateY(-1px)}button:disabled{opacity:.5;cursor:not-allowed}input,select{border:1px solid 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