:root{--bg:#0a0f1a;--card:#0f1726;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8;--accent2:#a78bfa;--danger:#ef4444;--success:#10b981;--border:#1f2a44}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(1200px 600px at 20% -10%, #15213b 0%, #0a0f1a 60%), var(--bg);color:var(--text);font:16px/1.5 system-ui,Segoe UI,Roboto,Ubuntu}
a{color:var(--accent)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:rgba(15,23,38,0.7);position:sticky;top:0;backdrop-filter:blur(8px)}
.brand{font-weight:700;letter-spacing:.3px}
.brand .dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:linear-gradient(45deg,var(--accent),var(--accent2));margin-right:8px;vertical-align:-1px}
nav a{margin:0 8px;text-decoration:none;color:var(--text);opacity:.9}
nav a:hover{color:var(--accent)}
.container{max-width:980px;margin:24px auto;padding:0 16px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 10px 25px rgba(0,0,0,.25)}
.auth-card{max-width:420px;margin:40px auto;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));border:1px solid var(--border);border-radius:16px;padding:16px}
h1,h2{margin:8px 0 16px}
label{display:block;margin-top:10px;font-size:14px;color:var(--muted)}
input[type=text],input[type=password],input[type=url],input[type=number],select,textarea{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0b1323;color:var(--text);outline:none}
textarea{resize:vertical}
button{margin-top:12px;padding:10px 14px;border:1px solid var(--border);background:linear-gradient(90deg,var(--accent),var(--accent2));color:#071018;font-weight:700;border-radius:12px;cursor:pointer}
button:hover{filter:brightness(1.1)}
.table{width:100%;border-collapse:collapse;margin-top:8px}
.table th,.table td{padding:10px;border-bottom:1px dashed var(--border);vertical-align:top}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.chk{display:flex;align-items:end}
.muted{color:var(--muted);margin-top:6px}
.alert{padding:10px 12px;border-radius:10px;margin:8px 0}
.alert.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#fecaca}
.alert.success{background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.4);color:#d1fae5}
.result{display:flex;gap:8px;align-items:center;margin-top:12px}
.result-list .row{display:flex;gap:8px;align-items:center;border-bottom:1px dashed var(--border);padding:6px 0}
.footer{padding:24px;color:var(--muted);text-align:center}
@media (max-width:720px){.grid2,.grid3{grid-template-columns:1fr}}