:root{--page-background: #f5f5f5;--primary-color: #FF5500;--primary-hover: #e64d00;--text-color: #222222;--text-secondary: #666666;--border-color: #e0e0e0;--card-background: #ffffff;--sidebar-width: 240px;--header-height: 60px;--font-family: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--error-color: #dc2626;--success-color: #16a34a;--warning-color: #ca8a04}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-family);background-color:var(--page-background);color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{height:100%}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:var(--card-background);border:1px solid var(--border-color);border-radius:16px;padding:48px 40px;max-width:380px;width:100%;box-shadow:0 4px 6px #0000000d}.login-card .admin-badge{display:inline-block;background:var(--primary-color);color:#fff;font-size:11px;font-weight:600;padding:4px 10px;border-radius:4px;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}.login-card h1{font-size:24px;font-weight:600;margin-bottom:8px}.login-card p{color:var(--text-secondary);font-size:14px;margin-bottom:24px}.login-card form{display:flex;flex-direction:column;gap:16px}.input-group{position:relative}.input-group input{width:100%;padding:14px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;font-family:var(--font-family);transition:border-color .15s}.input-group input:focus{outline:none;border-color:var(--primary-color)}.input-group input.error{border-color:var(--error-color)}.input-group label{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--text-secondary);pointer-events:none;transition:all .15s;background:var(--card-background);padding:0 4px}.input-group input:focus+label,.input-group input:not(:placeholder-shown)+label{top:0;font-size:12px;color:var(--primary-color)}.input-group input.error+label{color:var(--error-color)}.input-group.code input{font-size:20px;font-weight:600;letter-spacing:.3em;text-align:center}.error-message{display:flex;align-items:center;gap:8px;color:var(--error-color);font-size:13px;margin-top:8px}.error-message svg{width:16px;height:16px;flex-shrink:0}button{font-family:var(--font-family);cursor:pointer;border:none;border-radius:8px;font-size:14px;font-weight:500;transition:all .15s}button.primary{background:var(--primary-color);color:#fff;padding:12px 20px}button.primary:hover{background:var(--primary-hover)}button.primary:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:transparent;color:var(--text-color);padding:8px 16px}button.secondary:hover{background:#0000000d}button.danger{background:var(--error-color);color:#fff;padding:8px 16px}button.danger:hover{background:#b91c1c}button.small{padding:6px 12px;font-size:12px}.dashboard-layout{display:flex;height:100vh}.sidebar{width:var(--sidebar-width);background:var(--card-background);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid var(--border-color)}.sidebar-header h1{font-size:18px;font-weight:600;display:flex;align-items:center;gap:8px}.sidebar-header .admin-badge{background:var(--primary-color);color:#fff;font-size:10px;font-weight:600;padding:2px 6px;border-radius:3px}.sidebar-nav{flex:1;padding:12px;overflow-y:auto}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:var(--text-color);text-decoration:none;font-size:14px;font-weight:450;transition:background .15s}.sidebar-nav a:hover{background:#0000000d}.sidebar-nav a.active{background:#ff55001a;color:var(--primary-color)}.sidebar-nav a svg{width:18px;height:18px;opacity:.7}.sidebar-nav a.active svg{opacity:1}.sidebar-footer{padding:16px;border-top:1px solid var(--border-color)}.sidebar-footer .admin-info{font-size:13px;color:var(--text-secondary);margin-bottom:12px}.sidebar-footer .admin-email{font-weight:500;color:var(--text-color)}.main-content{flex:1;overflow-y:auto;padding:32px}.page-header{margin-bottom:32px}.page-header h1{font-size:28px;font-weight:600;margin-bottom:8px}.page-header p{color:var(--text-secondary);font-size:14px}.card{background:var(--card-background);border:1px solid var(--border-color);border-radius:12px;padding:24px;margin-bottom:24px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-header h2{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--card-background);border:1px solid var(--border-color);border-radius:12px;padding:20px}.stat-card .stat-label{font-size:13px;color:var(--text-secondary);margin-bottom:8px}.stat-card .stat-value{font-size:32px;font-weight:600}.stat-card .stat-change{font-size:12px;margin-top:8px}.stat-card .stat-change.positive{color:var(--success-color)}.stat-card .stat-change.negative{color:var(--error-color)}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border-color)}th{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}td{font-size:14px}tr:hover{background:#00000005}td a{color:var(--primary-color);text-decoration:none}td a:hover{text-decoration:underline}.toggle{position:relative;width:44px;height:24px}.toggle input{opacity:0;width:0;height:0}.toggle .slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.2s;border-radius:24px}.toggle .slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.2s;border-radius:50%}.toggle input:checked+.slider{background-color:var(--primary-color)}.toggle input:checked+.slider:before{transform:translate(20px)}.status-badge{display:inline-block;padding:4px 10px;border-radius:100px;font-size:12px;font-weight:500}.status-badge.active{background:#16a34a1a;color:var(--success-color)}.status-badge.inactive{background:#dc26261a;color:var(--error-color)}.status-badge.pending{background:#ca8a041a;color:var(--warning-color)}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;font-family:var(--font-family)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.date-range{display:flex;gap:16px;align-items:center;margin-bottom:24px}.date-range input[type=date]{padding:8px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;font-family:var(--font-family)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary)}.empty-state svg{width:48px;height:48px;opacity:.5;margin-bottom:16px}.empty-state h3{font-size:16px;font-weight:500;margin-bottom:8px;color:var(--text-color)}.loading{display:flex;align-items:center;justify-content:center;padding:48px}.spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.newsletter-preview{background:#fafafa;border:1px solid var(--border-color);border-radius:8px;padding:24px;font-size:14px;line-height:1.7}.newsletter-preview a{color:var(--primary-color)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--card-background);border-radius:16px;max-width:480px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:18px;font-weight:600}.modal-header button{background:none;padding:8px;border-radius:8px}.modal-header button:hover{background:#0000000d}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;gap:12px;justify-content:flex-end}@media(max-width:768px){.sidebar{position:fixed;left:-100%;top:0;bottom:0;z-index:100;transition:left .3s}.sidebar.open{left:0}.main-content{padding:20px}.stats-grid{grid-template-columns:1fr}}