:root{--bg:#f7f7fb;--panel:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--brand:#111827;--accent:#2563eb;--danger:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit}.admin-shell{display:flex;min-height:100vh}.sidebar{width:270px;background:#111827;color:#fff;padding:24px;display:flex;flex-direction:column;gap:24px}.brand{font-weight:800;font-size:22px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.sidebar nav a{padding:10px 12px;text-decoration:none;border-radius:10px;color:#e5e7eb}.sidebar nav a:hover{background:#1f2937}.admin-meta{margin-top:auto;color:#d1d5db}.content{flex:1;padding:32px;max-width:1200px}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;margin:18px 0;box-shadow:0 1px 2px rgba(0,0,0,.03)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat{font-size:32px;font-weight:800}label{display:block;margin:12px 0 6px;font-weight:650}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;background:#fff}textarea{min-height:120px}.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:10px 14px;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;cursor:pointer}.btn.secondary{background:#e5e7eb;color:#111827}.btn.danger{background:var(--danger)}.notice{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:12px 14px;border-radius:12px;margin:12px 0}.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:12px 14px;border-radius:12px;margin:12px 0}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.muted{color:var(--muted)}.check{font-weight:400;display:flex;gap:8px;align-items:center}.check input{width:auto}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.code{background:#0b1020;color:#e5e7eb;padding:16px;border-radius:12px;overflow:auto;white-space:pre-wrap}.pill{display:inline-block;background:#eef2ff;color:#3730a3;border-radius:999px;padding:3px 8px;font-size:12px}.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--bg)}.login-card{width:min(440px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 30px rgba(0,0,0,.06)}@media(max-width:800px){.admin-shell{display:block}.sidebar{width:auto}.row{grid-template-columns:1fr}.content{padding:20px}}