:root{--ui-toast-bg: rgba(255, 255, 255, .98);--ui-toast-border: rgba(0, 0, 0, .08);--ui-toast-shadow: 0 10px 40px rgba(0, 0, 0, .15), 0 2px 10px rgba(0, 0, 0, .1);--ui-toast-text: #1f2937;--ui-toast-text-muted: #6b7280;--ui-success: #10b981;--ui-success-bg: #ecfdf5;--ui-error: #ef4444;--ui-error-bg: #fef2f2;--ui-warning: #f59e0b;--ui-warning-bg: #fffbeb;--ui-info: #3b82f6;--ui-info-bg: #eff6ff;--ui-confirm-bg: rgba(255, 255, 255, .98);--ui-confirm-overlay: rgba(0, 0, 0, .5);--ui-confirm-shadow: 0 25px 50px -12px rgba(0, 0, 0, .25)}.ui-toast-container{position:fixed;top:20px;right:20px;z-index:10001;display:flex;flex-direction:column;gap:12px;max-width:420px;width:calc(100vw - 40px);pointer-events:none}.ui-toast{display:flex;align-items:flex-start;gap:12px;padding:16px;background:var(--ui-toast-bg);border-radius:12px;border:1px solid var(--ui-toast-border);box-shadow:var(--ui-toast-shadow);pointer-events:auto;animation:ui-toast-slide-in .3s cubic-bezier(.21,1.02,.73,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}@keyframes ui-toast-slide-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.ui-toast-icon{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px;font-weight:700;color:#fff}.ui-toast-success .ui-toast-icon{background:var(--ui-success)}.ui-toast-error .ui-toast-icon{background:var(--ui-error)}.ui-toast-warning .ui-toast-icon{background:var(--ui-warning)}.ui-toast-info .ui-toast-icon{background:var(--ui-info)}.ui-toast-content{flex:1;min-width:0}.ui-toast-title{font-size:14px;font-weight:600;color:var(--ui-toast-text);margin-bottom:2px}.ui-toast-message{font-size:13px;color:var(--ui-toast-text-muted);line-height:1.5;word-wrap:break-word;white-space:pre-wrap}.ui-toast-details-toggle{background:none;border:none;padding:0;margin-top:8px;font-size:12px;color:var(--ui-info);cursor:pointer;text-decoration:underline}.ui-toast-details-toggle:hover{color:#2563eb}.ui-toast-details{margin-top:8px;padding:8px;background:#f3f4f6;border-radius:6px;font-size:11px;font-family:Monaco,Menlo,monospace;color:#374151;overflow-x:auto;max-height:150px;white-space:pre-wrap;word-break:break-all}.ui-toast-close{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:6px;font-size:20px;color:#9ca3af;cursor:pointer;transition:all .2s ease;margin:-4px -4px -4px 0}.ui-toast-close:hover{background:#f3f4f6;color:#374151;transform:none;box-shadow:none}.ui-toast-success{border-left:4px solid var(--ui-success)}.ui-toast-error{border-left:4px solid var(--ui-error)}.ui-toast-warning{border-left:4px solid var(--ui-warning)}.ui-toast-info{border-left:4px solid var(--ui-info)}.ui-confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10002;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--ui-confirm-overlay);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:ui-overlay-fade-in .2s ease}@keyframes ui-overlay-fade-in{0%{opacity:0}to{opacity:1}}.ui-confirm-modal{background:var(--ui-confirm-bg);border-radius:16px;box-shadow:var(--ui-confirm-shadow);max-width:420px;width:100%;overflow:hidden;animation:ui-modal-slide-up .3s cubic-bezier(.21,1.02,.73,1)}@keyframes ui-modal-slide-up{0%{transform:translateY(20px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.ui-confirm-header{padding:20px 24px 0}.ui-confirm-title{margin:0;font-size:18px;font-weight:600;color:#1f2937}.ui-confirm-body{padding:12px 24px 24px}.ui-confirm-message{margin:0;font-size:14px;color:#6b7280;line-height:1.6;white-space:pre-wrap}.ui-confirm-footer{display:flex;gap:12px;padding:16px 24px;background:#f9fafb;border-top:1px solid #e5e7eb}.ui-confirm-btn{flex:1;padding:12px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.ui-confirm-btn-cancel{background:#fff;border:1px solid #d1d5db;color:#374151}.ui-confirm-btn-cancel:hover{background:#f3f4f6;transform:none;box-shadow:none}.ui-confirm-btn-confirm{background:#f59e0b;border:none;color:#fff}.ui-confirm-btn-confirm:hover{filter:brightness(1.1);transform:none;box-shadow:none}@media (max-width: 480px){.ui-toast-container{top:10px;right:10px;left:10px;width:auto;max-width:none}.ui-toast{padding:12px}.ui-confirm-modal{margin:10px;max-width:calc(100vw - 20px)}.ui-confirm-footer{flex-direction:column-reverse}}@media (prefers-reduced-motion: reduce){.ui-toast,.ui-confirm-overlay,.ui-confirm-modal{animation:none}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f7fa;color:#333}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:20px}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:30px 0;margin-bottom:40px;box-shadow:0 4px 6px #0000001a}.header h1{font-size:36px;margin-bottom:10px}.header p{font-size:16px;opacity:.9}button{background:#667eea;color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease}button:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 4px 8px #667eea4d}button:disabled{background:#ccc;cursor:not-allowed;transform:none}button.danger{background:#e74c3c}button.danger:hover{background:#c0392b}button.secondary{background:#95a5a6}button.secondary:hover{background:#7f8c8d}input,textarea,select{width:100%;padding:10px;border:1px solid #ddd;border-radius:5px;font-size:14px;margin-bottom:15px}input:focus,textarea:focus,select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}label{display:block;margin-bottom:5px;font-weight:500;color:#555}.card{background:#fff;border-radius:10px;padding:25px;margin-bottom:25px;box-shadow:0 2px 4px #0000001a}.card h2{margin-bottom:20px;color:#2c3e50;font-size:24px}table{width:100%;border-collapse:collapse;background:#fff}thead{background:#f8f9fa}th,td{padding:12px;text-align:left;border-bottom:1px solid #e9ecef}th{font-weight:600;color:#495057;font-size:14px;text-transform:uppercase;letter-spacing:.5px}td{color:#666}tr:hover{background:#f8f9fa}.alert{padding:15px;border-radius:5px;margin-bottom:20px}.alert.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert.info{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}.loading{text-align:center;padding:40px;color:#999}.image-preview{max-width:200px;max-height:200px;object-fit:contain;border:1px solid #ddd;border-radius:5px;margin-top:10px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-bottom:30px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}@media (max-width: 768px){.form-grid{grid-template-columns:1fr}}.actions{display:flex;gap:10px}.file-upload{border:2px dashed #ddd;border-radius:5px;padding:30px;text-align:center;cursor:pointer;transition:all .3s ease}.file-upload:hover{border-color:#667eea;background:#f8f9fa}.file-upload input[type=file]{display:none}.product-image-small{width:50px;height:50px;object-fit:cover;border-radius:5px}