:root{--bg: #0f0f0f;--surface: #1a1a1a;--surface-light: #252525;--border: #333;--primary: #3B82F6;--white: #fff;--text: #aaa;--text-muted: #666;--success: #22c55e;--info: #3b82f6;--warning: #f59e0b;--error: #ef4444}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--white)}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh}.sidebar-header{text-align:center;padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:20px}.sidebar-header h2{color:var(--white);font-size:18px}.sidebar-header span{color:var(--primary);font-size:12px}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:4px}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14px;transition:background .2s}.sidebar-nav a:hover{background:var(--surface-light)}.sidebar-nav a.active{background:#e3183726;color:var(--primary)}.sidebar-footer{border-top:1px solid var(--border);padding-top:16px}.sidebar-footer .user{font-size:13px;color:var(--text);margin-bottom:8px}.sidebar-footer button{background:none;border:none;color:var(--error);cursor:pointer;font-size:13px;display:flex;align-items:center;gap:6px}.main{flex:1;margin-left:240px;padding:32px}.page-title{font-size:24px;font-weight:700;margin-bottom:4px}.page-subtitle{color:var(--text);font-size:14px;margin-bottom:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:var(--surface);border-radius:12px;padding:20px;border-top:3px solid var(--primary)}.stat-card .icon{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:18px}.stat-card .value{font-size:28px;font-weight:700}.stat-card .label{font-size:13px;color:var(--text);margin-top:4px}.card{background:var(--surface);border-radius:12px;padding:20px;margin-bottom:20px}.card h3{font-size:16px;margin-bottom:16px}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 12px;color:var(--text);font-size:12px;text-transform:uppercase;border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border);font-size:14px}tr:hover{background:var(--surface-light)}.btn{padding:8px 16px;border-radius:8px;border:none;cursor:pointer;font-size:13px;font-weight:500;transition:opacity .2s}.btn:hover{opacity:.85}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--error);color:#fff}.btn-sm{padding:4px 10px;font-size:12px}.btn-outline{background:none;border:1px solid var(--border);color:var(--text)}.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600}.badge-success{background:#22c55e26;color:var(--success)}.badge-info{background:#3b82f626;color:var(--info)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-box{background:var(--surface);border-radius:16px;padding:40px;width:360px;border:1px solid var(--border)}.login-box h1{text-align:center;font-size:20px;margin-bottom:8px}.login-box p{text-align:center;color:var(--text);font-size:13px;margin-bottom:24px}.login-box .error{color:var(--error);font-size:13px;margin-bottom:12px;text-align:center}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text);margin-bottom:6px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface-light);color:var(--white);font-size:14px;outline:none}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary)}.actions{display:flex;gap:8px;align-items:center}.loading{display:flex;align-items:center;justify-content:center;height:200px;color:var(--text)}