:root{--primary: #0a7ea4;--primary-hover: #086a8a;--bg: #f5f5f7;--surface: #ffffff;--text: #1d1d1f;--text-secondary: #6e6e73;--border: #d2d2d7;--success: #34c759;--warning: #ff9500;--error: #ff3b30;--sidebar-width: 240px;--header-height: 56px;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-header{padding:20px;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px}.sidebar-header .logo{font-size:24px}.sidebar-header .subtitle{font-size:11px;color:var(--text-secondary);margin-top:2px}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:2px}.sidebar-nav a,.sidebar-nav button{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text);font-size:14px;font-weight:500;border:none;background:none;width:100%;text-align:left;text-decoration:none;transition:background .15s}.sidebar-nav a:hover,.sidebar-nav button:hover{background:#f0f0f2;text-decoration:none}.sidebar-nav a.active{background:var(--primary);color:#fff}.sidebar-nav .icon{font-size:18px;width:24px;text-align:center}.sidebar-footer{padding:16px;border-top:1px solid var(--border)}.sidebar-footer .user-info{display:flex;align-items:center;gap:10px}.sidebar-footer .user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}.sidebar-footer .user-name{font-weight:600;font-size:13px}.sidebar-footer .user-role{font-size:11px;color:var(--text-secondary)}.main-content{margin-left:var(--sidebar-width);flex:1;padding:32px;max-width:1200px}.page-header{margin-bottom:24px}.page-header h2{font-size:24px;font-weight:700}.page-header p{color:var(--text-secondary);margin-top:4px}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:16px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-header h3{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:20px;box-shadow:var(--shadow)}.stat-card .stat-icon{font-size:28px;margin-bottom:8px}.stat-card .stat-value{font-size:28px;font-weight:700}.stat-card .stat-label{font-size:13px;color:var(--text-secondary);margin-top:2px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}th{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);background:#fafafa}td{font-size:14px}tr:hover td{background:#f9f9fb}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}.badge-active{background:#e8f8ee;color:#1a7f37}.badge-inactive{background:#f0f0f2;color:#6e6e73}.badge-default{background:#e3f2fd;color:#0a7ea4}.badge-pro{background:#fff3e0;color:#e65100}.badge-free{background:#e8f5e9;color:#2e7d32}.badge-admin{background:#fce4ec;color:#c62828}.badge-viewer{background:#f0f0f2;color:#6e6e73}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;border:1px solid transparent;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:#f0f0f2}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#e0342b}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{padding:6px 8px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--surface);color:var(--text);transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0a7ea41a}.form-group textarea{min-height:80px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border-radius:14px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0003}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:18px;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#f5f5f7,#e8f4f8)}.login-card{background:var(--surface);border-radius:16px;padding:48px;text-align:center;box-shadow:0 4px 20px #00000014;max-width:400px;width:90%}.login-card .logo{font-size:64px;margin-bottom:16px}.login-card h1{font-size:24px;font-weight:700;margin-bottom:8px}.login-card p{color:var(--text-secondary);margin-bottom:32px}.login-card .btn{width:100%;justify-content:center;padding:14px;font-size:16px}.toast{position:fixed;bottom:24px;right:24px;padding:14px 20px;border-radius:10px;color:#fff;font-weight:500;z-index:200;animation:slideUp .3s ease}.toast-success{background:var(--success)}.toast-error{background:var(--error)}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary)}.empty-state .icon{font-size:48px;margin-bottom:12px}.empty-state h3{font-size:18px;color:var(--text);margin-bottom:8px}.toggle{position:relative;width:44px;height:24px;background:#ccc;border-radius:12px;cursor:pointer;transition:background .2s;border:none}.toggle.active{background:var(--primary)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px #0003}.toggle.active:after{transform:translate(20px)}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}}