:root{--color-bg:#f4f5f7;--color-surface:#fff;--color-border:#dde1e6;--color-text:#1f2430;--color-text-muted:#6b7280;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-danger:#dc2626;--color-success:#16a34a;--radius:8px;--sidebar-width:220px}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer;font-family:inherit}.btn{border-radius:var(--radius);background:var(--color-primary);color:#fff;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;display:inline-flex}.btn:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn-danger{background:var(--color-danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px}.form-group{margin-bottom:16px}.form-group label{color:var(--color-text-muted);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-control{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;padding:8px 12px;font-size:14px}textarea.form-control{resize:vertical;min-height:200px;font-family:monospace}table.admin-table{border-collapse:collapse;width:100%}table.admin-table th,table.admin-table td{text-align:left;border-bottom:1px solid var(--color-border);padding:10px 12px;font-size:14px}table.admin-table tbody tr[data-clickable=true]:hover{background:var(--color-bg);cursor:pointer}table.admin-table th{color:var(--color-text-muted);text-transform:uppercase;font-size:12px;font-weight:500}.badge{border-radius:12px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge-active{color:#166534;background:#dcfce7}.badge-inactive{color:#991b1b;background:#fee2e2}.badge-neutral{color:#374151;background:#e5e7eb}.error-text{color:var(--color-danger);margin-top:8px;font-size:13px}.readonly-hint{color:var(--color-text-muted);font-size:12px;font-style:italic}