:root{--bg:#0b1020;--panel:#111a33;--text:#eaf2ff;--muted:#94a3b8;--primary:#00c2ff;--accent:#00e676;--danger:#ff5c7a;--border:rgba(255,255,255,.1)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#070b16,#0b1020 55%,#111a33);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif}a{color:var(--primary);text-decoration:none}button{background:linear-gradient(135deg,var(--primary),#6a5cff);border:0;color:white;padding:12px 18px;border-radius:12px;font-weight:800;cursor:pointer}.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:rgba(5,9,20,.9);border-right:1px solid var(--border);padding:24px}.brand{font-size:24px;font-weight:900;margin-bottom:24px}.brand span{display:block;color:var(--primary);font-size:12px;letter-spacing:.2em;text-transform:uppercase}.sidebar nav{display:grid;gap:10px}.sidebar a{color:var(--text);padding:12px 14px;border:1px solid transparent;border-radius:12px}.sidebar a:hover{background:var(--panel);border-color:var(--border)}.main{padding:24px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:24px;background:rgba(17,26,51,.7);border:1px solid var(--border);border-radius:18px;padding:18px}.topbar p{margin:4px 0 0;color:var(--muted)}.admin-chip{background:rgba(0,194,255,.12);border:1px solid rgba(0,194,255,.3);padding:10px 14px;border-radius:999px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:16px}.card,.panel{background:rgba(17,26,51,.85);border:1px solid var(--border);border-radius:18px;padding:20px;margin-bottom:16px;box-shadow:0 20px 60px rgba(0,0,0,.22)}.card strong{font-size:36px;color:var(--accent)}label{display:block;color:var(--muted);font-weight:700;margin:14px 0 6px}input,textarea,select{width:100%;background:#0b1329;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:12px 14px;outline:none}textarea{resize:vertical}.check{display:flex;gap:10px;align-items:center}.check input{width:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--border);padding:12px}th{color:var(--muted)}.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px;background:rgba(0,230,118,.12);border:1px solid rgba(0,230,118,.25)}.alert.danger{background:rgba(255,92,122,.12);border-color:rgba(255,92,122,.28)}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(440px,100%);background:rgba(17,26,51,.9);border:1px solid var(--border);border-radius:24px;padding:28px;box-shadow:0 25px 90px rgba(0,0,0,.35)}.auth-card h1{margin-top:0}@media(max-width:850px){.app{grid-template-columns:1fr}.sidebar{height:auto}.grid{grid-template-columns:1fr}.topbar{display:block}.main{padding:16px}}