:root{--brand:#4f46e5;--brand-dark:#4338ca;--bg:#ffffff;--bg-alt:#f8fafc;--ink:#0f172a;--muted:#64748b;--border:#e2e8f0;--radius:8px}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;background:var(--brand);color:#fff;border:2px solid transparent;border-radius:var(--radius);font:inherit;font-weight:600;line-height:1;cursor:pointer;transition:background .15s,color .15s,border-color .15s;text-decoration:none}.btn:hover{background:var(--brand-dark);color:#fff}.btn.secondary{background:transparent;color:var(--brand);border-color:var(--brand)}.btn.secondary:hover{background:var(--brand);color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.admin-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}.admin-table{width:100%;border-collapse:collapse}.admin-table td,.admin-table th{padding:.6rem .75rem;border-bottom:1px solid var(--border);text-align:left}.admin-table th{background:var(--bg-alt);font-weight:600;font-size:.85rem}