:root{--bg:#071427;--card:#0b1f3a;--text:#e7eefc;--muted:#a9b7d0;--accent:#3aa0ff;--danger:#ff4d4d;}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:linear-gradient(180deg,#041022 0%,#071427 100%);color:var(--text);}
a{color:var(--text);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:16px}
.topbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}
.brand{font-weight:700;letter-spacing:.5px}
.nav{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pill{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);font-size:13px}
.pill.active{background:rgba(58,160,255,.18);border-color:rgba(58,160,255,.35)}
.card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.col-6{grid-column:span 6}
.col-12{grid-column:span 12}
.col-4{grid-column:span 4}
.col-8{grid-column:span 8}
.muted{color:var(--muted)}
input,select,button,textarea{width:100%;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.10);background:rgba(0,0,0,.25);color:var(--text);outline:none}
label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}
button{background:rgba(58,160,255,.18);border-color:rgba(58,160,255,.35);cursor:pointer;font-weight:600}
button:hover{filter:brightness(1.05)}
.btn-danger{background:rgba(255,77,77,.15);border-color:rgba(255,77,77,.35)}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 8px;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}
th{color:var(--muted);text-align:start}
.row-actions{display:flex;gap:8px}
.flash{margin:10px 0;padding:10px 12px;border-radius:12px;background:rgba(58,160,255,.12);border:1px solid rgba(58,160,255,.25)}
.error{background:rgba(255,77,77,.12);border-color:rgba(255,77,77,.25)}
.footer{margin-top:18px;text-align:center;color:var(--muted);font-size:12px}
@media (max-width:900px){.col-6,.col-4,.col-8{grid-column:span 12}}