*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0a0a;--card:#111;--border:#222;--text:#fff;--muted:#888;--accent:#3b82f6;--green:#22c55e;--red:#ef4444;--yellow:#eab308;--radius:8px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}

.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:100%;max-width:400px}
.login-card h1{text-align:center;font-size:24px;margin-bottom:8px}
.login-card p{text-align:center;color:var(--muted);font-size:14px;margin-bottom:32px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.form-group input{width:100%;padding:10px 14px;background:#1a1a1a;border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;outline:none;transition:border-color .2s}
.form-group input:focus{border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;border:none;cursor:pointer;transition:all .2s}
.btn-primary{background:var(--accent);color:#fff;width:100%}
.btn-primary:hover{background:#2563eb}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-success{background:var(--green);color:#000}
.btn-success:hover{background:#16a34a}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--muted)}
.btn-outline:hover{border-color:var(--text);color:var(--text)}
.error{color:var(--red);font-size:13px;margin-top:8px;text-align:center}

.dashboard{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--card);border-right:1px solid var(--border);padding:20px 0;flex-shrink:0;position:fixed;height:100vh;overflow-y:auto}
.sidebar-logo{padding:0 20px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.sidebar-logo span{color:var(--accent)}
.sidebar nav{padding:12px 8px}
.sidebar a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius);color:var(--muted);text-decoration:none;font-size:14px;transition:all .2s}
.sidebar a:hover,.sidebar a.active{background:#1a1a1a;color:var(--text)}
.sidebar a.active{background:rgba(59,130,246,.15);color:var(--accent)}
.sidebar-bottom{position:absolute;bottom:0;width:100%;padding:12px 8px;border-top:1px solid var(--border)}
.main{margin-left:240px;flex:1;padding:32px;min-height:100vh}

.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.header h1{font-size:24px;font-weight:700}
.header-sub{color:var(--muted);font-size:14px}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat-card .label{font-size:13px;color:var(--muted);margin-bottom:8px}
.stat-card .value{font-size:28px;font-weight:700}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.card-header h2{font-size:18px;font-weight:600}

table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;text-transform:uppercase;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--border);font-weight:500}
td{padding:12px;border-bottom:1px solid var(--border);font-size:14px}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(255,255,255,.02)}

.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}
.badge-active{background:rgba(34,197,94,.15);color:var(--green)}
.badge-expired{background:rgba(234,179,8,.15);color:var(--yellow)}
.badge-banned{background:rgba(239,68,68,.15);color:var(--red)}
.badge-unused{background:rgba(136,136,136,.15);color:var(--muted)}

.key-code{font-family:'SF Mono',Monaco,Consolas,monospace;font-size:13px;background:#1a1a1a;padding:4px 8px;border-radius:4px;cursor:pointer;border:1px solid var(--border)}
.key-code:hover{border-color:var(--accent)}

.actions{display:flex;gap:8px}

.empty{text-align:center;padding:40px;color:var(--muted)}

.toast{position:fixed;bottom:20px;right:20px;padding:12px 20px;border-radius:var(--radius);font-size:14px;z-index:999;animation:slideIn .3s}
.toast-success{background:var(--green);color:#000}
.toast-error{background:var(--red);color:#fff}
@keyframes slideIn{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:100}
.modal{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:500px}
.modal h2{margin-bottom:20px;font-size:18px}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.mobile-menu{display:none;position:fixed;top:16px;left:16px;z-index:50;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:8px;cursor:pointer;color:var(--text)}

@media(max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .3s;z-index:40}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding:16px;padding-top:60px}
  .mobile-menu{display:block}
  .form-row{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.detail-item .detail-label{font-size:12px;color:var(--muted);text-transform:uppercase;margin-bottom:4px}
.detail-item .detail-value{font-size:15px}
@media(max-width:768px){.detail-grid{grid-template-columns:1fr}}

.back-btn{display:inline-flex;align-items:center;gap:6px;color:var(--muted);text-decoration:none;font-size:14px;margin-bottom:20px;cursor:pointer}
.back-btn:hover{color:var(--text)}