:root{--bg-primary: #f0f2f5;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f8f9fb;--bg-input: #f5f6f8;--bg-sidebar: #1e293b;--text-primary: #1a1d26;--text-secondary: #555e70;--text-muted: #8892a4;--text-label: #374151;--accent: #3b82f6;--accent-hover: #2563eb;--accent-dim: rgba(59, 130, 246, .1);--accent-glow: rgba(59, 130, 246, .25);--success: #10b981;--success-dim: rgba(16, 185, 129, .1);--warning: #f59e0b;--warning-dim: rgba(245, 158, 11, .1);--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .08);--info: #06b6d4;--info-dim: rgba(6, 182, 212, .1);--purple: #8b5cf6;--purple-dim: rgba(139, 92, 246, .1);--border: #e5e7eb;--border-hover: #d1d5db;--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 20px rgba(0, 0, 0, .1);--sidebar-width: 250px;--topbar-height: 60px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent)}.app-container{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform var(--transition)}.sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-close{display:none;background:none;border:none;color:#fff9;font-size:18px;cursor:pointer}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:40px;height:40px;background:var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}.logo-text{display:flex;flex-direction:column}.logo-name{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.3px}.logo-sub{font-size:10px;font-weight:600;color:#fff6;letter-spacing:2px;text-transform:uppercase}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius);color:#ffffff8c;text-decoration:none;font-size:14px;font-weight:500;transition:all var(--transition);margin-bottom:2px}.nav-item:hover{background:#ffffff14;color:#ffffffe6}.nav-item.active{background:var(--accent);color:#fff}.nav-item i{width:20px;text-align:center;font-size:14px}.nav-divider{height:1px;background:#ffffff0f;margin:12px 14px}.nav-section-title{display:block;padding:4px 14px 8px;font-size:11px;font-weight:600;color:#ffffff4d;text-transform:uppercase;letter-spacing:1.5px}.sidebar-footer{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between}.user-info{display:flex;align-items:center;gap:10px}.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}.user-details{display:flex;flex-direction:column}.user-name{font-size:13px;font-weight:600;color:#fff}.user-role{font-size:11px;color:#fff6}.logout-btn{background:none;border:none;color:#fff6;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all var(--transition)}.logout-btn:hover{background:#ef444426;color:var(--danger)}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}.top-bar{height:var(--topbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:0;z-index:50}.menu-toggle{display:none;background:none;border:none;color:var(--text-secondary);font-size:20px;cursor:pointer}.page-title h1{font-size:17px;font-weight:700;color:var(--text-primary)}.top-bar-actions{margin-left:auto}.content-body{padding:24px}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all var(--transition);text-decoration:none;font-family:inherit;line-height:1.4}.btn:hover{transform:translateY(-1px)}.btn-sm{padding:7px 12px;font-size:12px}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 6px var(--accent-glow)}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 4px 12px var(--accent-glow)}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-icon{width:34px;height:34px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);background:transparent;border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}.btn-icon:hover{background:var(--bg-primary);color:var(--text-primary);border-color:var(--border-hover)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.card:hover{box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-title{font-size:15px;font-weight:700;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:flex-start;gap:14px;box-shadow:var(--shadow-sm);transition:all var(--transition)}.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.stat-icon{width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.stat-icon.blue{background:var(--accent-dim);color:var(--accent)}.stat-icon.green{background:var(--success-dim);color:var(--success)}.stat-icon.orange{background:var(--warning-dim);color:var(--warning)}.stat-icon.purple{background:var(--purple-dim);color:var(--purple)}.stat-icon.red{background:var(--danger-dim);color:var(--danger)}.stat-content{flex:1}.stat-value{font-size:26px;font-weight:800;line-height:1;margin-bottom:4px;color:var(--text-primary)}.stat-label{font-size:12px;color:var(--text-muted);font-weight:500}.table-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.table-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.table-title{font-size:15px;font-weight:700}table{width:100%;border-collapse:collapse}thead th{padding:10px 16px;text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;border-bottom:1px solid var(--border);background:var(--bg-primary)}tbody td{padding:12px 16px;font-size:13px;border-bottom:1px solid var(--border);color:var(--text-primary)}tbody tr{transition:background var(--transition)}tbody tr:hover{background:var(--bg-card-hover)}tbody tr:last-child td{border-bottom:none}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-label);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:9px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:13px;font-family:inherit;transition:all var(--transition)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.form-input::placeholder{color:var(--text-muted)}.form-textarea{min-height:100px;resize:vertical}.form-select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238892a4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 10px center;background-size:16px;padding-right:34px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.form-error{font-size:12px;color:var(--danger);margin-top:4px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.2px}.badge-blue{background:var(--accent-dim);color:var(--accent)}.badge-green{background:var(--success-dim);color:var(--success)}.badge-orange{background:var(--warning-dim);color:#d97706}.badge-red{background:var(--danger-dim);color:var(--danger)}.badge-purple{background:var(--purple-dim);color:var(--purple)}.badge-gray{background:#f3f4f6;color:var(--text-muted)}.alert{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:13px;animation:slideIn .3s ease}.alert-success{background:var(--success-dim);color:#065f46;border:1px solid rgba(16,185,129,.2)}.alert-error{background:var(--danger-dim);color:#991b1b;border:1px solid rgba(239,68,68,.2)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-xl);padding:48px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg-primary)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent);background:var(--accent-dim)}.upload-zone-icon{font-size:44px;color:var(--accent);margin-bottom:14px}.upload-zone-text{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.upload-zone-hint{font-size:13px;color:var(--text-muted)}.doc-preview-container{display:grid;grid-template-columns:1fr 380px;gap:20px;min-height:600px}.doc-viewer{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.doc-viewer iframe,.doc-viewer img{width:100%;height:100%;object-fit:contain}.doc-details{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow-y:auto;max-height:calc(100vh - 110px);box-shadow:var(--shadow-sm)}.doc-details-header{padding:16px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-card);z-index:5}.doc-details-body{padding:20px}.pagination{display:flex;align-items:center;justify-content:center;gap:4px;padding:14px}.pagination a,.pagination span{padding:6px 12px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;text-decoration:none;transition:all var(--transition)}.pagination a{color:var(--text-secondary)}.pagination a:hover{background:var(--bg-primary);color:var(--text-primary)}.pagination .active span{background:var(--accent);color:#fff}.empty-state{text-align:center;padding:60px 24px}.empty-state-icon{font-size:56px;color:var(--border-hover);margin-bottom:16px}.empty-state-title{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.empty-state-text{font-size:13px;color:var(--text-muted);max-width:380px;margin:0 auto 24px}.search-input{position:relative}.search-input i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:13px}.search-input input{padding-left:36px}.modal-overlay{position:fixed;inset:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:90%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.modal-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:17px;font-weight:700}.modal-body{padding:24px}.modal-footer{padding:14px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;align-items:center;justify-content:space-between}.sidebar-close{display:block}.sidebar-overlay{position:fixed;inset:0;background:#0006;z-index:99;display:none}.sidebar-overlay.open{display:block}.main-content{margin-left:0}.menu-toggle{display:block}.top-bar-actions span{display:none}.content-body{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.doc-preview-container,.form-row{grid-template-columns:1fr}.table-container{overflow-x:auto}}@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg-primary)}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:28px}.login-logo .logo-icon{width:52px;height:52px;font-size:22px;margin:0 auto 12px;background:var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#fff}.login-title{font-size:22px;font-weight:800;text-align:center;margin-bottom:6px;color:var(--text-primary)}.login-subtitle{text-align:center;color:var(--text-muted);font-size:13px}.login-form .btn{width:100%;justify-content:center;padding:11px}.file-list{margin-top:20px}.file-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;animation:slideIn .3s ease}.file-item-icon{width:38px;height:38px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:16px}.file-item-icon.pdf{background:var(--danger-dim);color:var(--danger)}.file-item-icon.img{background:var(--info-dim);color:var(--info)}.file-item-info{flex:1}.file-item-name{font-size:13px;font-weight:600}.file-item-size{font-size:11px;color:var(--text-muted)}.file-item-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;transition:color var(--transition)}.file-item-remove:hover{color:var(--danger)}.loading-spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}