:root{--primary:#6c63ff;--primary-light:#8b85ff;--primary-dark:#5a52e0;--secondary:#ff6b6b;--accent:#4ecdc4;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--bg:#f1f5f9;--surface:#fff;--sidebar-bg:#1e293b;--sidebar-text:#94a3b8;--sidebar-active:#fff;--text:#1e293b;--text-secondary:#64748b;--text-light:#94a3b8;--border:#e2e8f0;--radius:10px;--shadow:0 1px 3px #00000014;--shadow-md:0 4px 12px #00000014}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.layout{min-height:100vh;display:flex}.main-content{flex:1;max-width:1200px;margin-left:260px;padding:32px}.sidebar{background:var(--sidebar-bg);z-index:100;flex-direction:column;width:260px;padding:20px 14px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-header{border-bottom:1px solid #ffffff12;margin-bottom:20px;padding:0 6px 20px}.sidebar-logo{align-items:center;gap:12px;display:flex}.sidebar-logo-icon{background:var(--primary);color:#fff;letter-spacing:-.5px;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:13px;font-weight:800;display:flex}.sidebar-header h2{color:#fff;font-size:16px;font-weight:700;line-height:1.2}.sidebar-badge{color:var(--sidebar-text);margin-top:1px;font-size:11px;font-weight:500;display:inline-block}.sidebar-section-label{letter-spacing:1.2px;color:#94a3b880;margin-bottom:8px;padding:0 12px;font-size:10px;font-weight:600}.sidebar-nav{flex-direction:column;flex:1;gap:2px;display:flex}.nav-item{color:var(--sidebar-text);border-radius:8px;align-items:center;gap:12px;padding:9px 12px;font-size:13.5px;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.nav-item:hover{color:#cbd5e1;background:#ffffff0f}.nav-item.active{color:#fff;background:#6c63ff26}.nav-item.active .nav-icon{color:var(--primary-light)}.nav-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:flex}.nav-icon svg{display:block}.sidebar-footer{border-top:1px solid #ffffff12;padding-top:16px}.admin-card{align-items:center;gap:10px;margin-bottom:10px;padding:8px;display:flex}.admin-avatar{width:34px;height:34px;color:var(--primary-light);background:#6c63ff40;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.admin-details{flex-direction:column;display:flex}.admin-name{color:#fff;font-size:13px;font-weight:600;line-height:1.2}.admin-role{color:var(--sidebar-text);font-size:11px;line-height:1.3}.btn-logout{width:100%;color:var(--sidebar-text);cursor:pointer;background:#ffffff0a;border:1px solid #ffffff0f;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.btn-logout:hover{color:#fca5a5;background:#ef44441f;border-color:#ef444433}.page{animation:.2s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-title{margin-bottom:24px;font-size:26px;font-weight:700}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-loading{height:200px;color:var(--text-secondary);justify-content:center;align-items:center;font-size:16px;display:flex}.section{margin-top:32px}.section h2{margin-bottom:16px;font-size:18px;font-weight:600}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.date-input{border:1.5px solid var(--border);color:var(--text);background:var(--surface);cursor:pointer;border-radius:8px;padding:8px 14px;font-size:14px}.date-input:focus{border-color:var(--primary);outline:none}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:32px;display:grid}.stats-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:16px;padding:20px;display:flex}.stats-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex}.stats-value{color:var(--text);font-size:28px;font-weight:800;line-height:1.2;display:block}.stats-label{color:var(--text-secondary);font-size:13px}.table{border-collapse:collapse;background:var(--surface);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);overflow:hidden}.table thead{background:#f8fafc}.table th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);padding:12px 16px;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--border);color:var(--text);padding:12px 16px;font-size:14px}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover{background:#f8fafc}.table .clickable{cursor:pointer}.badge{background:var(--primary);color:#fff;border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.status-badge{border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.status-badge.approved{color:#065f46;background:#d1fae5}.status-badge.pending{color:#92400e;background:#fef3c7}.type-badge{border-radius:6px;margin-right:8px;padding:4px 10px;font-size:13px;font-weight:500;display:inline-block}.type-badge.suggestion{color:#4338ca;background:#eef2ff}.type-badge.complaint{color:#be123c;background:#fff1f2}.filter-tabs{gap:8px;margin-bottom:20px;display:flex}.filter-tab{border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);cursor:pointer;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .15s}.filter-tab:hover{border-color:var(--primary);color:var(--primary)}.filter-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:var(--text);color:#fff}.btn-secondary:hover:not(:disabled){opacity:.9}.btn-success{background:var(--success);color:#fff}.btn-danger{color:var(--danger);border:1px solid var(--danger);background:0 0}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{color:var(--text)}.btn-sm{padding:6px 12px;font-size:13px}.btn-full{width:100%}.form-group{margin-bottom:16px}.form-group label{color:var(--text);margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-group input,.form-group select,.form-group textarea{border:1.5px solid var(--border);width:100%;color:var(--text);background:var(--surface);border-radius:8px;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);outline:none}.form-group textarea{resize:vertical}.alert{border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:14px}.alert-error{color:#dc2626;background:#fef2f2;border:1px solid #fca5a5}.login-page{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--surface);border-radius:16px;width:100%;max-width:400px;padding:40px;box-shadow:0 20px 60px #00000026}.login-header{text-align:center;margin-bottom:32px}.login-header h1{color:var(--primary);font-size:28px;font-weight:800}.login-header p{color:var(--text-secondary);margin-top:4px;font-size:15px}.modal-overlay{z-index:200;background:#0006;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--surface);border-radius:16px;width:100%;max-width:500px;max-height:90vh;padding:24px;overflow-y:auto;box-shadow:0 20px 60px #0003}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-header h3{font-size:18px;font-weight:600}.modal-close{color:var(--text-light);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:24px;line-height:1}.modal-close:hover{color:var(--text)}.user-detail-header{align-items:center;gap:20px;margin:20px 0 24px;display:flex}.user-avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:64px;height:64px;font-size:22px;font-weight:700;display:flex}.user-detail-header h1{margin-bottom:2px;font-size:24px}.feedback-list{flex-direction:column;gap:12px;display:flex}.feedback-card{padding:16px 20px}.feedback-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.feedback-user{color:var(--text);font-size:14px;font-weight:500}.feedback-message{color:var(--text);font-size:14px;line-height:1.6}.qr-container{justify-content:center;display:flex}.qr-card{text-align:center;width:100%;max-width:500px}.qr-date{margin-bottom:24px}.qr-date span{color:var(--text-secondary);margin-bottom:4px;font-size:14px;display:block}.qr-date strong{color:var(--text);font-size:18px}.qr-display{justify-content:center;margin-bottom:24px;display:flex}.qr-actions{justify-content:center;gap:12px;margin-bottom:24px;display:flex}.qr-info{text-align:left;background:#f8fafc;border-radius:8px;padding:16px}.qr-info code{color:var(--text-secondary);word-break:break-all;margin-top:4px;font-size:12px;display:block}.loading-screen{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%) 0 0/400px 100%;border-radius:6px;animation:1.5s ease-in-out infinite shimmer}.skeleton-stats-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:32px;display:grid}.skeleton-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:16px;padding:20px;display:flex}.skeleton-icon{border-radius:12px;width:48px;height:48px}.skeleton-text{height:14px;margin-bottom:8px}.skeleton-text-lg{width:60px;height:28px}.skeleton-table{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.skeleton-row{border-bottom:1px solid var(--border);gap:16px;padding:14px 16px;display:flex}.skeleton-row:last-child{border-bottom:none}.skeleton-header{width:200px;height:24px;margin-bottom:20px}.text-secondary{color:var(--text-secondary)}.empty-text{color:var(--text-light);text-align:center;padding:40px 0;font-size:15px}.selected-user{color:var(--primary);background:#eef2ff;border-radius:8px;padding:8px 16px;font-size:14px}