:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:rgba(17,24,39,.8);--bg-glass:hsla(0,0%,100%,.05);--border:hsla(0,0%,100%,.08);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--accent-glow:rgba(59,130,246,.3);--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--gradient-1:linear-gradient(135deg,#3b82f6,#8b5cf6);--gradient-2:linear-gradient(135deg,#10b981,#3b82f6);--radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,.3);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 0;position:fixed;top:0;left:0;bottom:0;height:100vh;overflow:hidden;z-index:100}.sidebar-brand{padding:0 20px 24px;border-bottom:1px solid var(--border);margin-bottom:16px;text-align:center}.sidebar-brand h2{font-size:18px;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-brand p{font-size:11px;color:var(--text-muted);margin-top:4px}.sidebar-nav{flex:1 1;padding:0 12px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.sidebar-nav::-webkit-scrollbar{width:6px}.sidebar-nav::-webkit-scrollbar-track{background:transparent}.sidebar-nav::-webkit-scrollbar-thumb{background-color:var(--border);border-radius:10px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;margin-bottom:4px;transition:var(--transition);font-size:14px;cursor:pointer;border:none;background:none;width:100%}.nav-item.active,.nav-item:hover{background:var(--bg-glass);color:var(--text-primary)}.nav-item.active{border-left:3px solid var(--accent)}.main-content{flex:1 1;margin-left:260px;padding:24px 32px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:var(--transition)}.card:hover{border-color:hsla(0,0%,100%,.12);box-shadow:var(--shadow)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.stat-card{text-align:center}.stat-card .stat-value{font-size:32px;font-weight:700;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.stat-card .stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-top:4px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at top,#1e2744 0,var(--bg-primary) 60%)}.login-box{width:400px;text-align:center}.login-box .logo{font-size:48px;margin-bottom:8px}.login-box h1{font-size:24px;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}.login-box .subtitle{color:var(--text-muted);font-size:14px;margin-bottom:32px}.form-group{margin-bottom:16px;text-align:left}.form-group label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-group input{width:100%;padding:12px 16px;background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;transition:var(--transition)}.form-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-group select,select{width:100%;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;transition:var(--transition);-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;cursor:pointer}.form-group select:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}select option{background:var(--bg-secondary);color:var(--text-primary);padding:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:var(--transition);width:100%}.btn-primary{background:var(--gradient-1);color:#fff}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}.error-msg{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:var(--danger);padding:10px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:13px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}td,th{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-muted);font-size:11px;text-transform:uppercase;letter-spacing:1px}tr:hover td{background:var(--bg-glass)}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600}.badge-success{background:rgba(16,185,129,.15);color:var(--success)}.badge-danger{background:rgba(239,68,68,.15);color:var(--danger)}.badge-warning{background:rgba(245,158,11,.15);color:var(--warning)}@media (max-width:768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}.stat-grid{grid-template-columns:repeat(2,1fr)}}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:24px;font-weight:700}