:root{--primary: #2563EB;--primary-light: #EFF6FF;--primary-dark: #1D4ED8;--bg: #F8FAFC;--surface: #FFFFFF;--border: #E2E8F0;--text: #1E293B;--text-muted: #64748B;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);--navbar-h: 60px}[data-theme=dark]{--primary: #3B82F6;--primary-light: #1E3A5F;--primary-dark: #2563EB;--bg: #0F172A;--surface: #1E293B;--border: #334155;--text: #F1F5F9;--text-muted: #94A3B8;--shadow: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 6px rgba(0,0,0,.4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:24px 20px;margin-top:var(--navbar-h);max-width:1100px;width:100%;margin-left:auto;margin-right:auto}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:32px;z-index:100;box-shadow:var(--shadow)}.navbar-brand{font-weight:700;font-size:1.05rem;color:var(--primary);letter-spacing:-.3px;white-space:nowrap}.navbar-brand span{color:var(--text-muted);font-weight:400}.navbar-links{display:flex;gap:4px}.nav-link{padding:6px 14px;border-radius:var(--radius);text-decoration:none;color:var(--text-muted);font-size:.9rem;font-weight:500;transition:all .15s}.nav-link:hover{background:var(--bg);color:var(--text)}.nav-link.active{background:var(--primary-light);color:var(--primary)}.page-header{margin-bottom:24px}.page-title{font-size:1.4rem;font-weight:700;color:var(--text)}.page-subtitle{font-size:.88rem;color:var(--text-muted);margin-top:4px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card+.card{margin-top:16px}.card-title{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 24px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:var(--primary-light)}.upload-icon{font-size:2.5rem;margin-bottom:12px}.upload-text{font-size:.95rem;color:var(--text-muted)}.upload-text strong{color:var(--primary)}.upload-hint{font-size:.8rem;color:var(--text-muted);margin-top:6px}.upload-zone input[type=file]{display:none}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius);font-size:.88rem;font-weight:600;cursor:pointer;border:none;transition:all .15s;text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-outline:hover:not(:disabled){background:var(--primary-light)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-sm{padding:5px 12px;font-size:.82rem}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--text);margin-bottom:6px}.form-label .required{color:var(--danger);margin-left:2px}.form-control{width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:.9rem;color:var(--text);background:var(--surface);transition:border-color .15s;outline:none}.form-control:focus{border-color:var(--primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-hint{font-size:.78rem;color:var(--text-muted);margin-top:4px}.table-wrap{overflow-x:auto;border-radius:var(--radius)}table{width:100%;border-collapse:collapse;font-size:.875rem}thead{background:var(--bg)}th{padding:10px 12px;text-align:left;font-size:.78rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border);white-space:nowrap}td{padding:10px 12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg)}.checkbox-cell{width:40px;text-align:center}input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--primary)}.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:.75rem;font-weight:600}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-default{background:var(--bg);color:var(--text-muted);border:1px solid var(--border)}.status-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius);font-size:.88rem;margin-bottom:16px}.status-bar.info{background:var(--primary-light);color:var(--primary);border:1px solid #BFDBFE}.status-bar.success{background:#d1fae5;color:#065f46;border:1px solid #A7F3D0}.status-bar.warning{background:#fef3c7;color:#92400e;border:1px solid #FDE68A}.status-bar.error{background:#fee2e2;color:#991b1b;border:1px solid #FECACA}.toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:8px}.search-input{padding:7px 12px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:.88rem;outline:none;width:220px;transition:border-color .15s}.search-input:focus{border-color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200;padding:20px;overflow-y:auto}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);width:100%;max-width:480px;max-height:calc(100vh - 40px);display:flex;flex-direction:column;overflow:hidden}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.modal-title{font-size:1rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.2rem;cursor:pointer;color:var(--text-muted);line-height:1}.modal-body{padding:20px;overflow-y:auto;flex:1;min-height:0}.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;flex-shrink:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:20px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-value{font-size:1.8rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.78rem;color:var(--text-muted);margin-top:4px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-icon{font-size:2.5rem;margin-bottom:12px}.empty-title{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px}.empty-text{font-size:.88rem}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.admin-grid{display:grid;grid-template-columns:1fr 299px;gap:24px;align-items:start}.admin-preview{position:sticky;top:80px}@media (max-width: 640px){.main-content{padding:16px 12px}.form-row{grid-template-columns:1fr}.toolbar{flex-direction:column;align-items:stretch}.toolbar-left,.toolbar-right{flex-wrap:wrap}.search-input{width:100%}.navbar-brand span{display:none}.stats-grid{grid-template-columns:1fr 1fr}th,td{padding:8px 10px}.admin-grid{grid-template-columns:1fr}.admin-preview{position:static;margin:0 auto 24px}}