:root{--bg:#0f1115;--card:#161a22;--muted:#9aa4b2;--text:#e7ecf3;--border:#2a3140;--accent:#dc3545;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:linear-gradient(180deg,#0f1115,#0b0d12);color:var(--text)}
a{color:inherit}
header{padding:20px 16px;border-bottom:1px solid var(--border)}
header .wrap{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:12px}
main{max-width:1100px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.grid{display:grid;gap:14px}
.row{display:grid;gap:10px;grid-template-columns:1fr 1fr}
@media(max-width:820px){.row{grid-template-columns:1fr}}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input,select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#0e1118;color:var(--text);outline:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border);background:#0e1118;color:var(--text);padding:10px 12px;border-radius:12px;cursor:pointer;text-decoration:none}
.btn.primary{border-color:rgba(220,53,69,.45);background:rgba(220,53,69,.12)}
.btn:hover{filter:brightness(1.05)}
.muted{color:var(--muted);font-size:13px;line-height:1.4}
.pill{display:inline-flex;gap:8px;align-items:center;padding:6px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px}
hr{border:none;border-top:1px solid var(--border);margin:14px 0}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px 8px;text-align:left;font-size:13px}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--muted)}
.badge.admin{border-color:rgba(220,53,69,.45);color:#ffb3ba}
.frame{width:100%;height:78vh;border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#0b0d12}
iframe{width:100%;height:100%;border:0}
.notice{padding:10px 12px;border:1px solid rgba(220,53,69,.35);background:rgba(220,53,69,.08);border-radius:14px}