:root{--sap-blue: #0070f2;--sap-blue-dark: #0040b0;--sap-blue-light: #eaf3ff;--navy: #001b41;--ink: #1d2d3e;--muted: #5b738b;--bg: #f5f7fa;--border: #d5dee8;--success: #0a8a38;--danger: #c0392b;--radius: 12px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Montserrat,system-ui,sans-serif}button,input,textarea,select{font-family:inherit}a{color:var(--sap-blue-dark)}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex:none;background:var(--navy);color:#fff;padding:24px 16px;display:flex;flex-direction:column;gap:4px}.sidebar h1{font-size:15px;font-weight:800;margin:0 0 24px;letter-spacing:-.01em}.sidebar a{color:#cfe0ff;text-decoration:none;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:600}.sidebar a.active,.sidebar a:hover{background:#ffffff1a;color:#fff}.sidebar .logout{margin-top:auto;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;padding:10px 12px;border-radius:8px;cursor:pointer;font-weight:600;font-size:13px}.main{flex:1;padding:32px 40px;max-width:980px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h2{font-size:22px;margin:0;font-weight:800;color:var(--navy)}.btn{font-family:inherit;font-weight:700;font-size:14px;border-radius:8px;padding:10px 18px;border:1px solid transparent;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--sap-blue);color:#fff}.btn-primary:hover{background:var(--sap-blue-dark)}.btn-outline{background:#fff;color:var(--sap-blue-dark);border-color:var(--border)}.btn-outline:hover{border-color:var(--sap-blue)}.btn-danger{background:#fff;color:var(--danger);border-color:#f0c4bd}.btn-danger:hover{background:#fdf2f0}table.data-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}table.data-table th,table.data-table td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--border)}table.data-table th{background:var(--sap-blue-light);color:var(--sap-blue-dark);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}table.data-table tr:last-child td{border-bottom:none}.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px}.form-field{margin-bottom:18px}.form-field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}.form-field input[type=text],.form-field input[type=email],.form-field input[type=password],.form-field input[type=number],.form-field input[type=datetime-local],.form-field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--ink)}.form-field textarea{min-height:90px;resize:vertical}.form-actions{display:flex;gap:10px;margin-top:8px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy)}.login-card{background:#fff;border-radius:16px;padding:36px;width:360px}.login-card h1{font-size:19px;margin:0 0 4px;color:var(--navy)}.login-card p.sub{color:var(--muted);font-size:13.5px;margin:0 0 20px}.error-banner{background:#fdf2f0;color:var(--danger);border:1px solid #f0c4bd;padding:10px 14px;border-radius:8px;font-size:13.5px;margin-bottom:16px}.empty-state{color:var(--muted);font-size:14px;padding:24px;text-align:center;background:#fff;border:1px dashed var(--border);border-radius:var(--radius)}.rich-text-editor{border:1px solid var(--border);border-radius:8px;overflow:hidden}.rich-text-toolbar{display:flex;gap:6px;padding:8px;border-bottom:1px solid var(--border);background:var(--sap-blue-light)}.rich-text-toolbar button{border:1px solid var(--border);background:#fff;border-radius:6px;padding:5px 9px;font-size:12.5px;font-weight:700;cursor:pointer}.rich-text-toolbar button.is-active{background:var(--sap-blue);color:#fff;border-color:var(--sap-blue)}.rich-text-content{padding:12px 14px;min-height:140px}.rich-text-content:focus{outline:none}.image-uploader{display:flex;align-items:center;gap:14px}.image-uploader .preview{width:90px;height:90px;border-radius:8px;border:1px solid var(--border);object-fit:cover;background:var(--bg)}.thumb-cell{width:46px;height:46px;border-radius:6px;object-fit:cover;border:1px solid var(--border)}.row-actions{display:flex;gap:8px}