.app-layout{display:flex;min-height:100vh}.sidebar{width:200px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 0;display:flex;flex-direction:column}.sidebar-logo{font-size:16px;font-weight:700;padding:0 16px 20px;color:var(--primary);border-bottom:1px solid var(--border);margin-bottom:8px}.nav-item{display:block;padding:10px 16px;color:var(--text-muted);font-size:14px;transition:background .15s,color .15s;text-decoration:none}.nav-item:hover{background:var(--surface2);color:var(--text);text-decoration:none}.nav-item.active{background:var(--surface2);color:var(--primary);border-left:3px solid var(--primary)}.main-content{flex:1;overflow:auto}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--surface: #1e293b;--surface2: #334155;--border: #475569;--text: #f1f5f9;--text-muted: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--radius: 8px;--font: system-ui, -apple-system, sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);padding:6px 14px;font-size:13px;font-family:var(--font);transition:background .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--success);color:#fff}input,select,textarea{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:7px 10px;font-size:13px;font-family:var(--font);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:1px}label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px;font-weight:500}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 12px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border)}td{padding:10px 12px;border-bottom:1px solid var(--surface2);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface2)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-green{background:#166534;color:#86efac}.badge-red{background:#7f1d1d;color:#fca5a5}.badge-blue{background:#1e3a5f;color:#93c5fd}.badge-yellow{background:#713f12;color:#fde68a}.badge-gray{background:var(--surface2);color:var(--text-muted)}.page{max-width:1200px;margin:0 auto;padding:24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:22px;font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.form-field{display:flex;flex-direction:column}.form-actions{display:flex;gap:8px;margin-top:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}.stat-card .stat-value{font-size:36px;font-weight:700;color:var(--primary)}.stat-card .stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}.alert-error{background:#7f1d1d;color:#fca5a5;border:1px solid #dc2626}.alert-success{background:#14532d;color:#86efac;border:1px solid #16a34a}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tag-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.tag{display:flex;align-items:center;gap:4px;background:var(--surface2);border:1px solid var(--border);border-radius:20px;padding:2px 10px;font-size:12px}.tag button{background:none;padding:0;color:var(--text-muted);font-size:14px;line-height:1}.tag button:hover{color:var(--danger)}