:root{--shopee-orange: #EE4D2D;--shopee-orange-dark: #D73211;--shopee-orange-light: #FF6B35;--bg-primary: #0F1117;--bg-secondary: #1A1D27;--bg-card: #1E2230;--bg-card-hover: #252A3A;--bg-input: #252A3A;--bg-input-focus: #2D3346;--text-primary: #F0F2F5;--text-secondary: #8B92A5;--text-muted: #5C6378;--text-accent: #EE4D2D;--border-color: #2D3346;--border-light: #353B50;--green: #22C55E;--green-bg: rgba(34, 197, 94, .1);--red: #EF4444;--red-bg: rgba(239, 68, 68, .1);--yellow: #F59E0B;--yellow-bg: rgba(245, 158, 11, .1);--blue: #3B82F6;--blue-bg: rgba(59, 130, 246, .1);--sidebar-width: 260px;--header-height: 64px;--radius: 12px;--radius-sm: 8px;--radius-xs: 6px;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.3);--shadow-lg: 0 8px 24px rgba(0,0,0,.4);--shadow-glow: 0 0 20px rgba(238,77,45,.15)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px;scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--shopee-orange);text-decoration:none}a:hover{color:var(--shopee-orange-light)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .3s ease}.sidebar-brand{padding:20px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:12px}.sidebar-brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--shopee-orange),var(--shopee-orange-light));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--shadow-glow)}.sidebar-brand-text{font-weight:800;font-size:18px;background:linear-gradient(135deg,var(--shopee-orange),var(--shopee-orange-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.sidebar-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);padding:16px 12px 8px}.nav-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-weight:500;transition:all .2s;cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:14px;font-family:inherit}.nav-link:hover{background:var(--bg-card);color:var(--text-primary)}.nav-link.active{background:#ee4d2d1a;color:var(--shopee-orange)}.nav-link-icon{font-size:18px;width:24px;text-align:center}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}.page-header{padding:24px 32px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.page-header h1{font-size:24px;font-weight:700}.page-header-sub{color:var(--text-secondary);font-size:13px;margin-top:4px}.page-body{padding:24px 32px}.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.card-header h3{font-size:15px;font-weight:600}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);padding:20px;transition:all .2s}.stat-card:hover{border-color:var(--shopee-orange);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.stat-card-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px}.stat-card-value{font-size:28px;font-weight:800}.stat-card-label{font-size:12px;color:var(--text-secondary);font-weight:500;margin-top:4px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:13px;cursor:pointer;border:none;transition:all .2s;font-family:inherit}.btn-primary{background:linear-gradient(135deg,var(--shopee-orange),var(--shopee-orange-light));color:#fff;box-shadow:0 2px 8px #ee4d2d4d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #ee4d2d66}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-light)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:#ef444433}.btn-sm{padding:6px 14px;font-size:12px}.btn-lg{padding:14px 28px;font-size:15px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-xs);color:var(--text-primary);font-size:14px;font-family:inherit;transition:all .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--shopee-orange);background:var(--bg-input-focus);box-shadow:0 0 0 3px #ee4d2d1a}.form-textarea{resize:vertical;min-height:100px}.form-input::placeholder{color:var(--text-muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}table th{background:var(--bg-secondary);padding:12px 16px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border-color)}table td{padding:12px 16px;border-bottom:1px solid var(--border-color);font-size:13px}table tr:hover td{background:var(--bg-card-hover)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.3px}.badge-green{background:var(--green-bg);color:var(--green)}.badge-red{background:var(--red-bg);color:var(--red)}.badge-yellow{background:var(--yellow-bg);color:var(--yellow)}.badge-blue{background:var(--blue-bg);color:var(--blue)}.badge-orange{background:#ee4d2d1a;color:var(--shopee-orange)}.toggle{display:flex;align-items:center;gap:10px;cursor:pointer}.toggle-track{width:44px;height:24px;background:var(--bg-input);border-radius:12px;position:relative;transition:background .2s;border:1px solid var(--border-color)}.toggle-track.active{background:var(--shopee-orange);border-color:var(--shopee-orange)}.toggle-track:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;background:#fff;border-radius:50%;transition:transform .2s}.toggle-track.active:after{transform:translate(20px)}.toggle-label{font-size:13px;font-weight:500}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.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:700}.modal-close{background:none;border:none;color:var(--text-muted);font-size:24px;cursor:pointer;padding:4px}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;gap:12px;justify-content:flex-end}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:20px}.auth-card{width:100%;max-width:420px;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);padding:40px;box-shadow:var(--shadow-lg)}.auth-brand{text-align:center;margin-bottom:32px}.auth-brand-logo{width:56px;height:56px;background:linear-gradient(135deg,var(--shopee-orange),var(--shopee-orange-light));border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 16px;box-shadow:var(--shadow-glow)}.auth-brand h1{font-size:24px;font-weight:800;background:linear-gradient(135deg,var(--shopee-orange),var(--shopee-orange-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.auth-brand p{color:var(--text-secondary);font-size:13px;margin-top:6px}.auth-form .btn-primary{width:100%;justify-content:center;padding:12px;font-size:14px;margin-top:8px}.auth-footer{text-align:center;margin-top:24px;font-size:13px;color:var(--text-secondary)}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;animation:toast-in .3s ease-out;box-shadow:var(--shadow-md)}.toast-success{background:var(--green);color:#fff}.toast-error{background:var(--red);color:#fff}@keyframes toast-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-state h3{font-size:16px;font-weight:600;color:var(--text-primary)}.empty-state p{font-size:13px;margin-top:8px;max-width:400px;margin-left:auto;margin-right:auto}.spinner{width:24px;height:24px;border:3px solid var(--border-color);border-top-color:var(--shopee-orange);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{display:flex;align-items:center;justify-content:center;min-height:300px}.image-upload-area{border:2px dashed var(--border-color);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;transition:all .2s;color:var(--text-secondary)}.image-upload-area:hover{border-color:var(--shopee-orange);background:#ee4d2d0d}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px;margin-top:12px}.image-grid-item{position:relative;aspect-ratio:1;border-radius:var(--radius-xs);overflow:hidden;border:1px solid var(--border-color)}.image-grid-item img{width:100%;height:100%;object-fit:cover}.image-grid-item .remove-btn{position:absolute;top:2px;right:2px;background:#000000b3;color:#fff;border:none;border-radius:50%;width:20px;height:20px;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center}.preview-frame{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-color);max-height:600px;overflow-y:auto}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.page-header,.page-body{padding:16px 20px}.stats-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}