*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-hover: #242734;--border: #2e3244;--text: #e4e4e7;--text-muted: #9ca3af;--accent: #3b82f6;--accent-hover: #2563eb;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-card);border-right:1px solid var(--border);padding:24px 0;display:flex;flex-direction:column}.sidebar h1{font-size:16px;font-weight:600;padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}.sidebar nav{display:flex;flex-direction:column;gap:2px;padding:0 8px}.sidebar nav a{padding:10px 12px;border-radius:var(--radius);color:var(--text-muted);font-size:14px;transition:all .15s}.sidebar nav a:hover{background:var(--bg-hover);color:var(--text);text-decoration:none}.sidebar nav a.active{background:var(--accent);color:#fff}.main-content{flex:1;padding:32px;overflow-y:auto}.main-content h2{font-size:22px;margin-bottom:24px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.card h3{font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.stat{display:flex;flex-direction:column;gap:4px}.stat-label{font-size:12px;color:var(--text-muted)}.stat-value{font-size:24px;font-weight:600}.badge{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background:#16532d;color:var(--success)}.badge-warning{background:#533916;color:var(--warning)}.badge-danger{background:#531616;color:var(--danger)}.toggle{position:relative;width:44px;height:24px;cursor:pointer}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border);border-radius:12px;transition:.2s}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s}.toggle input:checked+.toggle-slider{background:var(--accent)}.toggle input:checked+.toggle-slider:before{transform:translate(20px)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.table th{color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.table tr:hover td{background:var(--bg-hover)}.btn{padding:8px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-size:14px;cursor:pointer;transition:all .15s}.btn:hover{background:var(--bg-hover)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.setting-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.setting-row:last-child{border-bottom:none}.setting-info h4{font-size:14px;font-weight:500}.setting-info p{font-size:13px;color:var(--text-muted);margin-top:2px}