:root{--primary: #0284c7;--primary-hover: #0369a1;--primary-light: #e0f2fe;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--bg-main: #f8fafc;--bg-sidebar: #0f172a;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-main);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-weight:600;color:#0f172a}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--bg-sidebar);color:#f1f5f9;display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid #1e293b;display:flex;align-items:center;gap:12px}.brand-badge{background:linear-gradient(135deg,#0284c7,#38bdf8);color:#fff;font-weight:700;font-size:14px;padding:6px 10px;border-radius:8px}.sidebar-menu{list-style:none;padding:16px 12px;flex:1}.sidebar-menu li{margin-bottom:6px}.sidebar-menu a{display:flex;align-items:center;gap:12px;padding:10px 14px;color:#94a3b8;text-decoration:none;border-radius:8px;font-size:14px;font-weight:500;transition:all .2s}.sidebar-menu a:hover,.sidebar-menu a.active{background-color:#1e293b;color:#fff}.sidebar-menu a.active{background-color:var(--primary);color:#fff}.sidebar-footer{padding:16px;border-top:1px solid #1e293b}.user-profile{display:flex;align-items:center;justify-content:space-between}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto}.topbar{background:#fff;border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;justify-content:space-between}.page-body{padding:28px}.card{background:var(--bg-card);border-radius:12px;border:1px solid var(--border);box-shadow:0 1px 3px #0000000d;margin-bottom:24px;overflow:hidden}.card-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-body{padding:24px}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.data-table th{background:#f8fafc;color:var(--text-muted);font-weight:600;padding:12px 18px;border-bottom:1px solid var(--border)}.data-table td{padding:14px 18px;border-bottom:1px solid var(--border);vertical-align:middle}.data-table tr:hover{background-color:#f1f5f9}.badge{display:inline-block;padding:4px 10px;font-size:12px;font-weight:600;border-radius:9999px;text-transform:uppercase}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:#d97706}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-info{background:var(--primary-light);color:var(--primary)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#fff;border-color:var(--border);color:var(--text-main)}.btn-secondary:hover{background:#f1f5f9}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:4px 10px;font-size:12px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:#334155;margin-bottom:6px}.form-control{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--text-main);background:#fff;transition:border-color .2s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0284c726}textarea.form-control{font-family:Consolas,Courier New,monospace;font-size:13px;line-height:1.4}.modal-overlay{position:fixed;inset:0;background:#0f172a99;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:#fff;border-radius:12px;width:100%;max-width:650px;box-shadow:0 20px 25px -5px #0000001a;overflow:hidden;max-height:90vh;display:flex;flex-direction:column}.modal-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:24px;overflow-y:auto}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:24px}.stat-card{background:#fff;padding:20px;border-radius:12px;border:1px solid var(--border)}.stat-label{font-size:13px;color:var(--text-muted);font-weight:500;margin-bottom:6px}.stat-value{font-size:28px;font-weight:700;color:#0f172a}