:root{
  --bg:#0b0f19; --card:#121733; --stroke:#1d2854; --text:#eaf2ff; --muted:#a9b4cf;
  --accent:#ff2e92; --accent2:#00f0ff; --good:#10b981; --warn:#f59e0b; --bad:#ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif}
a{color:#93c5fd;text-decoration:none}
a:hover{opacity:.9}
/* Fixed header with tabs */
.header{position:fixed;top:0;left:0;right:0;z-index:60;background:linear-gradient(90deg,#0f1226,#3b155a 55%,#0d173a);border-bottom:1px solid #2a3563;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.header .logo{height:28px;border-radius:8px;background:#0b0f18;box-shadow:0 0 12px rgba(255,46,146,.35)}
.header h1{margin:0;font-size:16px;letter-spacing:.6px;text-transform:uppercase;text-shadow:0 0 10px rgba(0,240,255,.45)}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;gap:12px}
.tabs{display:flex;gap:8px;padding:8px 16px;border-top:1px solid #2a3563;background:#0d1435}
.tab{padding:6px 12px;border-radius:999px;background:#1a2454;color:#cfe2ff;font-size:12px}
.tab.active{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#000;box-shadow:0 0 18px rgba(255,46,146,.45),0 0 22px rgba(0,240,255,.35)}
.page{padding-top:96px}
.container{padding:16px}
.card{background:var(--card);border:1px solid var(--stroke);border-radius:16px;padding:16px;margin:0 0 16px 0;box-shadow:0 10px 28px rgba(0,0,0,.35)}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.tile{background:#0f1636;border:1px solid var(--stroke);border-radius:16px;padding:16px;text-decoration:none;color:var(--text);box-shadow:0 6px 18px rgba(0,0,0,.35)}
.tile:hover{outline:2px solid var(--accent);box-shadow:0 0 24px rgba(255,46,146,.5)}
h2{margin:0 0 10px 0}
h3{margin:0 0 8px 0}
.small{opacity:.85;font-size:12px}
.input,select,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid var(--stroke);background:#0b1227;color:var(--text)}
textarea{min-height:120px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid label{grid-column:1/-1;font-size:12px;color:var(--muted)}
.btn{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#000;border:none;border-radius:10px;padding:10px 14px;cursor:pointer;font-weight:700}
.btn.secondary{background:#334155;color:#fff}
.btn.danger{background:#ef4444;color:#fff}
.btn.success{background:#10b981;color:#031c12}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--stroke);padding:8px;text-align:left;font-size:14px}
.preview{display:block;max-height:80px}
.alert{padding:10px;border-radius:10px;background:#0b1a2a;border:1px solid #26436b}
.alert.success{border-color:#1f7a5d;color:#b6fbe3}
.badge{display:inline-block;background:#4c1d95;color:#fff;padding:3px 10px;border-radius:999px;font-size:12px;margin-bottom:6px}
.pulse{animation:pulse 1.1s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,240,255,.45)}70%{box-shadow:0 0 0 12px rgba(0,240,255,0)}100%{box-shadow:0 0 0 0 rgba(0,240,255,0)}}
@media(max-width:720px){.grid{grid-template-columns:1fr}}