:root{--bg: #f5f6f8;--surface: #ffffff;--surface-alt: #fafbfc;--border: #e5e7eb;--border-strong: #d7dbe1;--text: #111827;--text-muted: #6b7280;--text-faint: #9aa3b0;--primary: #2f5d8f;--primary-hover: #244a72;--primary-soft: #eaf1fa;--primary-100: #dbe7f4;--danger: #c0392b;--danger-hover: #a5321f;--danger-soft: #fdecea;--success: #1e7e34;--success-soft: #e8f5e9;--warning: #b8860b;--warning-soft: #fdf3dc;--sidebar-bg: #14202e;--sidebar-bg-alt: #1a2c3d;--sidebar-text: #93a4b8;--sidebar-text-active: #ffffff;--sidebar-active: #2f5d8f;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 32px rgba(16, 24, 40, .16);--sidebar-width: 260px;--topbar-height: 62px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--primary)}.app-shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:linear-gradient(180deg,var(--sidebar-bg) 0%,var(--sidebar-bg-alt) 100%);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40;transition:transform .2s ease}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand-mark{width:32px;height:32px;border-radius:8px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}.sidebar-brand-text{color:#fff;font-size:15px;font-weight:600;line-height:1.2}.sidebar-brand-text small{display:block;color:var(--sidebar-text);font-size:11px;font-weight:400}.sidebar-nav{flex:1;overflow-y:auto;padding:14px 12px}.nav-section{margin-bottom:18px}.nav-section-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:#93a4b899;padding:0 10px 6px}.nav-section nav{display:flex;flex-direction:column;gap:2px}.sidebar a.nav-link{display:flex;align-items:center;gap:10px;color:var(--sidebar-text);text-decoration:none;padding:9px 10px;font-size:13.5px;font-weight:500;border-radius:var(--radius-sm);transition:background .12s ease,color .12s ease}.sidebar a.nav-link svg{flex-shrink:0;opacity:.85}.sidebar a.nav-link:hover{background:#ffffff0f;color:#fff}.sidebar a.nav-link.active{background:var(--sidebar-active);color:#fff}.sidebar a.nav-link.active svg{opacity:1}.topbar{position:sticky;top:0;z-index:20;height:var(--topbar-height);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:16px}.topbar-title{font-size:17px;font-weight:600;margin:0}.sidebar-toggle{display:none;border:none;background:none;cursor:pointer;padding:6px;border-radius:var(--radius-sm);color:var(--text);align-items:center}.sidebar-toggle:hover{background:var(--bg)}.user-menu{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:4px 12px 4px 4px;cursor:pointer;font-size:13px;color:var(--text)}.user-menu-trigger:hover{background:var(--surface-alt)}.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.user-menu-dropdown{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px;z-index:50}.user-menu-dropdown .user-info{padding:8px 10px 10px;border-bottom:1px solid var(--border);margin-bottom:6px}.user-menu-dropdown .user-info .email{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-dropdown .user-info .role{font-size:12px;color:var(--text-muted)}.user-menu-dropdown a,.user-menu-dropdown button{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:none;background:none;padding:8px 10px;border-radius:var(--radius-sm);font-size:13.5px;color:var(--text);cursor:pointer;text-decoration:none}.user-menu-dropdown a:hover,.user-menu-dropdown button:hover{background:var(--bg)}.user-menu-dropdown button.danger{color:var(--danger)}.sidebar-backdrop{display:none}.main-area{flex:1;min-width:0;margin-left:var(--sidebar-width);display:flex;flex-direction:column}.main-content{flex:1;padding:24px 28px 40px}@media (max-width: 900px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:var(--shadow-lg)}.main-area{margin-left:0}.sidebar-toggle{display:inline-flex}.sidebar-backdrop.open{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;z-index:30}}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h2{margin:0;font-size:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm)}table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}th{background:var(--surface-alt);color:var(--text-muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em}tbody tr{transition:background .1s ease}tbody tr:hover{background:var(--surface-alt)}tr:last-child td{border-bottom:none}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:8px 14px;font-size:13.5px;font-weight:500;cursor:pointer;text-decoration:none;transition:background .12s ease,border-color .12s ease,transform .05s ease}.btn:active{transform:translateY(1px)}.btn:hover{background:var(--surface-alt);border-color:var(--border-strong)}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover);border-color:var(--danger-hover)}.btn-sm{padding:5px 10px;font-size:12.5px}.btn:disabled{opacity:.55;cursor:not-allowed}label{display:block;font-size:12.5px;font-weight:600;margin-bottom:6px;color:var(--text-muted)}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],textarea,select{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;background:#fff;color:var(--text);transition:border-color .12s ease,box-shadow .12s ease}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,input[type=number]:focus,input[type=date]:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}textarea{resize:vertical;min-height:90px}.field{margin-bottom:16px}.field-row{display:flex;gap:16px}.field-row>.field{flex:1}.checkbox-field{display:flex;align-items:center;gap:8px}.checkbox-field input{width:auto}.checkbox-field label{margin:0}.lang-tabs{display:flex;gap:4px;margin-bottom:12px;border-bottom:1px solid var(--border)}.lang-tab{padding:8px 14px;font-size:13px;border:none;background:none;cursor:pointer;color:var(--text-muted);border-bottom:2px solid transparent}.lang-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.error-banner{background:var(--danger-soft);color:var(--danger);border:1px solid #f5c6cb;border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:16px;font-size:14px}.success-banner{background:var(--success-soft);color:var(--success);border:1px solid #c3e6cb;border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:16px;font-size:14px}.muted{color:var(--text-muted);font-size:13px}.actions-cell{display:flex;gap:8px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#1a2c3d 0%,var(--sidebar-bg) 55%,#0d151e 100%)}.login-box{width:360px;background:var(--surface);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg)}.login-brand{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:22px}.login-brand .sidebar-brand-mark{width:44px;height:44px;font-size:18px;border-radius:12px}.login-box h1{font-size:17px;margin:0;text-align:center;color:var(--text)}.login-box p.subtitle{text-align:center;color:var(--text-muted);font-size:13px;margin:2px 0 0}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-sm);display:flex;align-items:flex-start;gap:14px}.stat-icon{width:40px;height:40px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--primary-soft);color:var(--primary)}.stat-icon.success{background:var(--success-soft);color:var(--success)}.stat-icon.warning{background:var(--warning-soft);color:var(--warning)}.stat-card .value{font-size:26px;font-weight:700;line-height:1.2}.stat-card .label{font-size:12.5px;color:var(--text-muted);margin-top:2px}.table-scroll{overflow-x:auto}.thumb{width:48px;height:48px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border)}.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px}.module-checkbox-grid{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:6px}.module-checkbox{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:400}.page-loading{display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--text-muted);font-size:13px}