:root{--green-50: #f4f8ec;--green-100: #e5efd3;--green-200: #c8de9f;--green-500: #6B9A2A;--green-600: #5a8223;--green-700: #4a6b1d;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--danger: #dc2626;--danger-light: #fef2f2;--sidebar-width: 260px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--gray-50);color:var(--gray-800);-webkit-font-smoothing:antialiased}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f5e8,#e8f0da,#f5f5f0);padding:20px}.login-card{background:#fff;border-radius:16px;padding:48px 40px;width:100%;max-width:420px;box-shadow:0 4px 24px #00000014;text-align:center}.login-logo{width:180px;margin-bottom:24px}.login-title{font-size:22px;font-weight:700;color:var(--gray-900);margin-bottom:4px}.login-subtitle{font-size:14px;color:var(--gray-500);margin-bottom:32px}.login-form{display:flex;flex-direction:column;gap:16px}.login-input{width:100%;padding:14px 16px;border:2px solid var(--gray-200);border-radius:10px;font-size:16px;font-family:inherit;outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--green-500)}.login-button{padding:14px;background:var(--green-500);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s;font-family:inherit}.login-button:hover:not(:disabled){background:var(--green-600)}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-error{color:var(--danger);font-size:14px}.login-success{padding:20px 0}.login-success h2{font-size:20px;margin:16px 0 8px;color:var(--gray-900)}.login-success p{color:var(--gray-600);font-size:14px}.login-hint{color:var(--gray-400)!important;font-size:13px!important;margin-top:12px!important}.success-icon{font-size:48px}.login-footer-text{margin-top:32px;font-size:12px;color:var(--gray-400)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;z-index:100}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 20px 16px;border-bottom:1px solid var(--gray-100)}.sidebar-logo{width:40px;height:40px;object-fit:contain}.sidebar-title{font-size:18px;font-weight:700;color:var(--gray-900)}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:10px;text-decoration:none;color:var(--gray-600);font-size:15px;font-weight:500;transition:all 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.15s;font-family:inherit}.signout-btn:hover{border-color:var(--gray-300);color:var(--gray-700)}.main-content{flex:1;margin-left:var(--sidebar-width);padding:32px;max-width:1200px}.page-header{margin-bottom:28px}.page-header h1{font-size:28px;font-weight:700;color:var(--gray-900)}.page-subtitle{font-size:14px;color:var(--gray-500);margin-top:4px}.page-loading{display:flex;justify-content:center;padding:60px 0}.spinner{width:40px;height:40px;border:4px solid var(--gray-200);border-top-color:var(--green-500);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:#fff;border-radius:12px;padding:24px;border:1px solid var(--gray-200);text-align:center;transition:box-shadow .15s}.stat-card:hover{box-shadow:0 2px 12px #0000000f}.stat-card.accent{background:var(--green-50);border-color:var(--green-200)}.stat-value{font-size:32px;font-weight:700;color:var(--gray-900)}.stat-card.accent .stat-value{color:var(--green-500)}.stat-label{font-size:13px;color:var(--gray-500);margin-top:4px;font-weight:500}.section{background:#fff;border-radius:12px;padding:24px;border:1px solid var(--gray-200)}.section h2{font-size:18px;font-weight:600;color:var(--gray-900);margin-bottom:16px}.empty-state{color:var(--gray-400);text-align:center;padding:32px;font-size:14px}.activity-list{display:flex;flex-direction:column;gap:8px}.activity-row{display:flex;gap:12px;align-items:center;padding:10px 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.15s}.btn-primary:hover{background:var(--green-600)}.filter-tabs{display:flex;gap:8px}.filter-tab{padding:8px 16px;border:1px solid var(--gray-200);border-radius:8px;background:#fff;font-size:13px;font-weight:500;cursor:pointer;color:var(--gray-600);font-family:inherit;transition:all .15s}.filter-tab.active{background:var(--green-50);border-color:var(--green-500);color:var(--green-700)}.tickets-list{display:flex;flex-direction:column;gap:12px}.ticket-card{background:#fff;border:1px solid var(--gray-200);border-radius:12px;padding:20px;transition:box-shadow .15s}.ticket-card:hover{box-shadow:0 2px 12px #0000000f}.ticket-card.refunded{background:var(--danger-light);border-color:#fecaca}.ticket-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.ticket-customer{font-size:16px;font-weight:600;color:var(--gray-900)}.ticket-badge{padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;text-transform:uppercase}.badge-purchase{background:var(--green-50);color:var(--green-700)}.badge-refund{background:#fef2f2;color:var(--danger)}.ticket-meta{display:flex;gap:16px;font-size:13px;color:var(--gray-500);margin-bottom:12px}.ticket-footer{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.ticket-amount{font-size:18px;font-weight:700;color:var(--gray-900)}.ticket-email{font-size:13px;color:var(--gray-500)}.ticket-refund-reason{font-size:13px;color:var(--danger);font-style:italic}.btn-refund{padding:6px 14px;background:var(--danger);color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;margin-left:auto;font-family:inherit}.btn-refund:hover{background:#b91c1c}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-card{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:480px;box-shadow:0 20px 60px #00000026}.modal-card h2{font-size:20px;font-weight:700;margin-bottom:20px}.refund-details{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;padding:16px;background:var(--gray-50);border-radius:10px}.detail-row{display:flex;justify-content:space-between;font-size:14px}.detail-label{color:var(--gray-500)}.refund-amount{font-weight:700;color:var(--danger);font-size:18px}.field-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--gray-700)}.refund-textarea{width:100%;padding:12px;border:2px solid var(--gray-200);border-radius:10px;font-size:14px;font-family:inherit;resize:vertical;outline:none}.refund-textarea:focus{border-color:var(--green-500)}.modal-error{color:var(--danger);font-size:14px;margin-top:8px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}.btn-secondary{padding:10px 20px;background:#fff;border:1px solid var(--gray-200);border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;color:var(--gray-600);font-family:inherit}.btn-danger{padding:10px 20px;background:var(--danger);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}.btn-danger:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.search-form{flex-direction:column}.activity-row,.ticket-meta{flex-wrap:wrap}}