:root{--bg:#0a1322;--bg-2:#101f36;--sidebar:#08121f;--card:#ffffff;--text:#0f172a;--muted:#5b6476;--line:#dce4ef;--accent:#0f766e;--accent-2:#0891b2;--danger:#b91c1c}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Manrope,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 0 0,#1f3d68 0,transparent 40%),radial-gradient(circle at 100% 0,#13365a 0,transparent 42%),linear-gradient(145deg,var(--bg),var(--bg-2))}a{color:inherit;text-decoration:none}.admin-layout{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.admin-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:14px;padding:18px 14px;background:linear-gradient(180deg,#0a1627,#070f1b);border-right:1px solid rgba(148,163,184,.22)}.admin-brand{border:1px solid rgba(148,163,184,.24);border-radius:14px;padding:12px;background:linear-gradient(140deg,rgba(15,118,110,.22),rgba(8,145,178,.2))}.admin-brand h2{margin:0;font-size:1.05rem;color:#ecfeff}.admin-brand p{margin:6px 0 0;color:#b6d9e5;font-size:.82rem}.admin-menu{display:grid;grid-gap:8px;gap:8px}.admin-sidebar a{border:1px solid rgba(148,163,184,.3);border-radius:10px;padding:10px 12px;color:#e2e8f0;background:rgba(255,255,255,.05);font-weight:600;letter-spacing:.1px;transition:transform .15s ease,border-color .15s ease,background-color .15s ease}.admin-sidebar a:hover{transform:translateY(-1px);border-color:rgba(15,118,110,.8);background:rgba(15,118,110,.24)}.admin-sidebar-footer{margin-top:auto}.admin-sidebar-footer a{border-color:rgba(185,28,28,.45);background:rgba(185,28,28,.18)}.admin-sidebar-footer a:hover{border-color:rgba(220,38,38,.72);background:rgba(220,38,38,.24)}.admin-main{padding:24px}.grid{display:grid;grid-gap:16px;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 14px 30px rgba(2,8,23,.18)}.card h1,.card h2{margin:0 0 8px}.card p{margin:6px 0;color:var(--muted)}.auth-card{max-width:500px;margin:38px auto}input,select,textarea{width:100%;margin-top:6px;padding:10px 12px;border:1px solid #cfd8e7;border-radius:9px;background:#fbfcfe;color:#0f172a}input[type=checkbox]{width:auto;margin:0 8px 0 0;padding:0}label{display:grid;grid-gap:4px;gap:4px;font-weight:600;color:#1e293b}button{border:1px solid rgba(15,118,110,.35);border-radius:10px;padding:10px 14px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#f8fafc;font-weight:700;cursor:pointer;transition:transform .15s ease,filter .15s ease}button:hover{transform:translateY(-1px);filter:brightness(1.05)}button:disabled{opacity:.6;cursor:not-allowed;transform:none}ul{margin:10px 0 0;padding-left:18px}li{margin:6px 0}#cost-alerts{border:1px solid #fecaca;border-radius:12px;background:#fff1f2;color:#7f1d1d;padding:12px}#cost-alerts a{color:#991b1b;font-weight:700}@media (max-width:980px){.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto}.admin-main{padding:14px}}