:root{--bg:#080b12;--panel:#111827;--line:#26334d;--text:#e5e7eb;--muted:#94a3b8;--cyan:#22d3ee;--violet:#8b5cf6;--green:#34d399;--orange:#fb923c;--red:#f87171}
*{box-sizing:border-box}body{margin:0;font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text)}
.wrap{max-width:1100px;margin:0 auto;padding:20px}
.nav{background:linear-gradient(90deg,#111827,#1e293b);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1100px;margin:0 auto}
.logo{font-weight:800;font-size:20px;color:var(--cyan);text-decoration:none}
.links a{color:var(--muted);text-decoration:none;margin-left:16px;font-size:14px}.links a:hover{color:var(--cyan)}
main{padding-bottom:40px}
h1{margin:18px 0 14px;font-size:26px}
h2{margin:22px 0 12px;font-size:19px;color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:16px}
.card.center{text-align:center}
.form label{display:block;margin-bottom:12px;font-size:14px;color:var(--muted)}
.form input,.form textarea,.form select{width:100%;padding:10px 12px;background:#0b1220;border:1px solid var(--line);border-radius:10px;color:var(--text);font-size:15px;margin-top:6px}
.btn{display:inline-block;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--text);cursor:pointer;font-size:14px;text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--violet),var(--cyan));color:#fff;border:0;font-weight:700}
.btn.big{padding:14px 24px;font-size:18px;border-radius:14px}
.btn.sm{padding:5px 10px;font-size:12px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:14px}
.alert.ok{background:rgba(52,211,153,.15);border:1px solid rgba(52,211,153,.4);color:var(--green)}
.alert.err{background:rgba(248,113,113,.15);border:1px solid rgba(248,113,113,.4);color:var(--red)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.grid3{grid-template-columns:1fr}}
.stat .lbl{font-size:13px;color:var(--muted)}.stat .val{font-size:26px;font-weight:800;margin-top:6px;color:var(--cyan)}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.table th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:1px}
.badge{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700}
.badge.ok{background:rgba(52,211,153,.2);color:var(--green)}.badge.warn{background:rgba(251,146,60,.2);color:var(--orange)}.badge.err{background:rgba(248,113,113,.2);color:var(--red)}
.muted{color:var(--muted);font-size:13px}
.mono{font-family:ui-monospace,monospace;font-size:13px;background:#0b1220;padding:10px 12px;border-radius:8px;display:inline-block;word-break:break-all}
.qr-img{max-width:280px;margin:16px auto;display:block;border-radius:12px;background:#fff;padding:8px}
.foot{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:12px;text-align:center}