:root{--vts-primary:#2563eb;--vts-primary-dark:#1d4ed8;--vts-primary-light:#3b82f6;--vts-secondary:#8b5cf6;--vts-accent:#06b6d4;--vts-success:#10b981;--vts-warning:#f59e0b;--vts-danger:#ef4444;--vts-bg-main:#ffffff;--vts-bg-card:#f8fafc;--vts-bg-canvas:#f1f5f9;--vts-bg-hover:#e2e8f0;--vts-text-primary:#1e293b;--vts-text-secondary:#475569;--vts-text-muted:#94a3b8;--vts-border:#e2e8f0;--vts-border-light:#f1f5f9;--vts-shadow:0 20px 40px rgba(0, 0, 0, 0.1);--vts-shadow-sm:0 4px 12px rgba(0, 0, 0, 0.08);--vts-radius-sm:8px;--vts-radius-md:12px;--vts-radius-lg:16px;--vts-radius-xl:24px;--vts-transition:all 0.25s ease}.fa-num{font-feature-settings:"ss02";-moz-font-feature-settings:"ss02";-webkit-font-feature-settings:"ss02"}.vts-float-btn{position:absolute;bottom:20px;z-index:100;padding:12px 24px;border-radius:50px;color:#fff;border:none;display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;font-size:14px;font-family:inherit;background:var(--vts-primary);box-shadow:0 4px 20px rgba(37,99,235,.4);transition:var(--vts-transition)}.vts-float-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(37,99,235,.5);background:var(--vts-primary-dark)}.vts-float-btn:active{transform:translateY(0)}.vts-float-btn.right{right:20px}.vts-float-btn.left{left:20px}.vts-float-btn svg{width:20px;height:20px}.vts-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(15,23,42,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:100000;display:flex;align-items:center;justify-content:center;direction:rtl;opacity:0;visibility:hidden;transition:var(--vts-transition)}.vts-modal-overlay.active{opacity:1;visibility:visible}.vts-modal-container{background:var(--vts-bg-main);width:98%;max-width:1100px;border-radius:var(--vts-radius-xl);overflow-X:hidden;box-shadow:var(--vts-shadow);display:flex;flex-direction:column;max-height:95vh;transform:scale(.95) translateY(20px);transition:var(--vts-transition)}.vts-modal-overlay.active .vts-modal-container{transform:scale(1) translateY(0)}.vts-modal-header{background:linear-gradient(135deg,#ffffff 0%,#f8fafc 100%);border-bottom:1px solid var(--vts-border);display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:20px 32px;box-shadow:0 2px 8px rgba(0,0,0,.04);position:relative;gap:24px}.vts-modal-header h2{font-size:18px;color:var(--vts-text-primary);margin:0;font-weight:700;display:flex;align-items:center;gap:12px;letter-spacing:-.02em}.vts-header-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--vts-primary) 0%,#8b5cf6 100%);border-radius:var(--vts-radius-md);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(139,92,246,.25);transition:var(--vts-transition)}.vts-header-icon svg{width:22px;height:22px;color:#fff;filter:drop-shadow(0 1px 2px rgba(0,0,0,.1))}.vts-header-buttons,.vts-header-tabs{display:flex;justify-content:space-around;gap:20px}#vts-tour-btn{background:var(--vts-bg-card);border:1px solid var(--vts-border);border-radius:50%;width:42px;height:42px;cursor:pointer;color:var(--vts-primary);transition:all 0.25s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px rgba(0,0,0,.04)}#vts-tour-btn svg{width:20px;height:20px}#vts-tour-btn:hover{background:var(--vts-primary);color:#fff;border-color:var(--vts-primary);transform:scale(1.1);box-shadow:0 4px 12px rgba(139,92,246,.25)}#vts-close-btn{background:var(--vts-bg-card);border:1px solid var(--vts-border);border-radius:50%;width:42px;height:42px;cursor:pointer;font-size:24px;color:var(--vts-text-secondary);transition:all 0.25s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px rgba(0,0,0,.04)}#vts-close-btn:hover{background:var(--vts-danger);color:#fff;border-color:var(--vts-danger);transform:rotate(90deg);box-shadow:0 4px 12px rgba(239,68,68,.25)}.vts-modal-body{display:flex;flex-direction:row;flex-grow:1;min-height:0}.vts-canvas-side{flex:1.5;background:var(--vts-bg-canvas);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:16px 24px;position:relative;overflow:hidden}.vts-canvas-wrapper{position:relative;display:flex;flex-direction:column;align-items:center;max-width:100%}.vts-canvas-scroll{overflow:auto;max-height:810px;border-radius:0 0 var(--vts-radius-lg) var(--vts-radius-lg);border:1px solid var(--vts-border);border-top:none}.vts-canvas-box{position:relative;border-radius:0;box-shadow:none;overflow:visible;background:linear-gradient(45deg,#e5e7eb 25%,transparent 25%),linear-gradient(-45deg,#e5e7eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e5e7eb 75%),linear-gradient(-45deg,transparent 75%,#e5e7eb 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0;background-color:#fff;transform-origin:top center;transition:transform 0.2s ease}#vts-main-canvas{display:block}.vts-tools-side{flex:1;background:var(--vts-bg-main);border-right:1px solid var(--vts-border);display:flex;flex-direction:column;max-width:340px}.vts-tools-scroll{padding:16px;overflow-y:auto;flex-grow:1}.vts-tools-scroll::-webkit-scrollbar{width:4px}.vts-tools-scroll::-webkit-scrollbar-track{background:transparent}.vts-tools-scroll::-webkit-scrollbar-thumb{background:var(--vts-border);border-radius:10px}.vts-tool-card{padding:16px;margin-bottom:12px;background:var(--vts-bg-card);border:1px solid var(--vts-border);border-radius:var(--vts-radius-md);position:relative}.vts-card-title{font-size:13px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px;color:var(--vts-text-primary)}.vts-step-number{width:24px;height:24px;background:var(--vts-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.vts-upload-label{background:var(--vts-primary);color:#fff;text-align:center;padding:14px 16px;border-radius:var(--vts-radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:13px;transition:var(--vts-transition)}.vts-upload-label:hover{background:var(--vts-primary-dark)}.vts-upload-label svg{width:18px;height:18px}.vts-upload-label.has-image{background:var(--vts-success)}.vts-user-image-status{display:flex;align-items:center;gap:8px;padding:10px 12px;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.2);border-radius:var(--vts-radius-sm);margin-top:10px}.vts-status-dot{width:8px;height:8px;background:var(--vts-success);border-radius:50%;animation:pulse 2s infinite}.vts-user-image-status span{font-size:12px;color:var(--vts-success);font-weight:500;flex:1}.vts-remove-user-img{background:transparent;border:none;color:var(--vts-text-muted);cursor:pointer;padding:4px 8px;border-radius:4px;font-size:11px;transition:var(--vts-transition);font-family:inherit}.vts-remove-user-img:hover{background:rgba(239,68,68,.1);color:var(--vts-danger)}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}.vts-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:8px}.vts-gallery-thumb{width:100%;aspect-ratio:1;border-radius:var(--vts-radius-sm);cursor:pointer;border:2px solid var(--vts-border);transition:var(--vts-transition);object-fit:cover;background:#fff}.vts-gallery-thumb:hover{border-color:var(--vts-primary-light)}.vts-gallery-thumb.active{border-color:var(--vts-primary);box-shadow:0 0 0 3px rgba(37,99,235,.2)}.vts-range-row{margin-bottom:14px}.vts-range-row label{font-size:12px;color:var(--vts-text-secondary);display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.vts-range-row label span{color:var(--vts-primary);font-weight:600;font-size:11px;background:rgba(37,99,235,.1);padding:2px 6px;border-radius:4px}.vts-range-row input[type=range]{width:100%;height:4px;border-radius:10px;background:var(--vts-border);outline:none;-webkit-appearance:none;appearance:none}.vts-range-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--vts-primary);cursor:pointer;box-shadow:0 2px 8px rgba(37,99,235,.4)}.vts-range-row input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--vts-primary);cursor:pointer;border:none}.vts-checkbox-row{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--vts-text-secondary);cursor:pointer}.vts-checkbox-row input[type="checkbox"]{width:16px;height:16px;accent-color:var(--vts-primary);cursor:pointer}.vts-btn-outline{width:100%;border:1px solid var(--vts-border);background:#fff;padding:10px 14px;border-radius:var(--vts-radius-sm);cursor:pointer;font-size:12px;font-weight:600;color:var(--vts-text-secondary);margin-top:6px;transition:var(--vts-transition);font-family:inherit;display:flex;align-items:center;justify-content:center;gap:6px}.vts-btn-outline:hover{background:var(--vts-primary);border-color:var(--vts-primary);color:#fff}.vts-btn-outline.active{background:var(--vts-primary);border-color:var(--vts-primary);color:#fff}.vts-btn-autofit{width:100%;border:2px solid var(--vts-secondary);background:linear-gradient(135deg,rgba(139,92,246,.1),rgba(168,85,247,.1));padding:12px 14px;border-radius:var(--vts-radius-sm);cursor:pointer;font-size:13px;font-weight:700;color:var(--vts-secondary);transition:var(--vts-transition);font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px;animation:vts-pulse-border 2s ease-in-out infinite}@keyframes vts-pulse-border{0%,100%{box-shadow:0 0 0 0 rgba(139,92,246,.4)}50%{box-shadow:0 0 0 8px rgba(139,92,246,0)}}.vts-btn-autofit:hover{background:var(--vts-secondary);color:#fff}.vts-btn-autofit svg{width:18px;height:18px}.vts-modal-footer{padding:16px;background:var(--vts-bg-card);border-top:1px solid var(--vts-border);display:flex;gap:10px}.vts-btn-main{flex:1;background:var(--vts-success);color:#fff;padding:14px 20px;border:none;border-radius:var(--vts-radius-md);cursor:pointer;font-weight:700;font-size:14px;transition:var(--vts-transition);font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px}.vts-btn-main:hover{filter:brightness(1.1)}.vts-btn-main:disabled{opacity:.5;cursor:not-allowed}.vts-btn-reset{background:#fff;border:1px solid var(--vts-border);padding:14px 18px;border-radius:var(--vts-radius-md);cursor:pointer;color:var(--vts-text-secondary);transition:var(--vts-transition)}.vts-btn-reset:hover{background:var(--vts-danger);border-color:var(--vts-danger);color:#fff}.vts-loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.9);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:100;opacity:0;visibility:hidden;transition:var(--vts-transition);border-radius:var(--vts-radius-lg)}.vts-loading-overlay.active{opacity:1;visibility:visible}.vts-spinner{width:40px;height:40px;border:3px solid var(--vts-border);border-top-color:var(--vts-primary);border-radius:50%;animation:spin 0.8s linear infinite}.vts-loading-text{margin-top:12px;color:var(--vts-text-secondary);font-size:13px}@keyframes spin{to{transform:rotate(360deg)}}.vts-toast-container{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:100001;display:flex;flex-direction:column;gap:10px;pointer-events:none}.vts-toast{padding:14px 20px;background:#fff;border:1px solid var(--vts-border);border-radius:var(--vts-radius-md);color:var(--vts-text-primary);font-size:13px;font-weight:500;box-shadow:var(--vts-shadow);display:flex;align-items:center;gap:10px;animation:slideDown 0.3s ease;pointer-events:auto}.vts-toast.success{border-color:var(--vts-success);background:linear-gradient(135deg,rgba(16,185,129,.1),white)}.vts-toast.error{border-color:var(--vts-danger);background:linear-gradient(135deg,rgba(239,68,68,.1),white)}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.canvas-container{border-radius:var(--vts-radius-lg)!important}.vts-photo-guide{margin-bottom:12px}.vts-guide-toggle{position:absolute;top:5px;left:5px;background:transparent;border:none;border-radius:var(--vts-radius-sm);padding:8px 12px;font-size:12px;color:var(--vts-text-secondary);cursor:pointer;display:flex;align-items:center;gap:6px;transition:var(--vts-transition);font-family:inherit}.vts-guide-toggle:hover{border-color:var(--vts-primary);color:var(--vts-primary)}.vts-guide-toggle.active{border-color:var(--vts-primary);color:var(--vts-primary);background:rgba(37,99,235,.05)}.vts-guide-content{margin-top:10px;padding:12px;background:rgba(37,99,235,.03);border-radius:var(--vts-radius-sm);border:1px solid rgba(37,99,235,.1)}.vts-guide-tips{display:flex;flex-direction:column;gap:8px}.vts-guide-item{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--vts-text-secondary)}.vts-guide-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}.vts-guide-item.good .vts-guide-icon{background:rgba(16,185,129,.1);color:var(--vts-success)}.vts-guide-item.bad .vts-guide-icon{background:rgba(239,68,68,.1);color:var(--vts-danger)}.vts-crop-btn{width:100%}.vts-crop-btn.active{background:var(--vts-primary);color:#fff;border-color:var(--vts-primary)}.vts-btn-icon{background:var(--vts-bg-card);border:1px solid var(--vts-border);border-radius:var(--vts-radius-sm);width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--vts-transition);flex-shrink:0;color:var(--vts-text-secondary)}.vts-btn-icon:hover{border-color:var(--vts-primary);color:var(--vts-primary);background:rgba(37,99,235,.05)}.vts-btn-icon.active{background:var(--vts-primary);border-color:var(--vts-primary);color:#fff}.vts-btn-icon svg{width:18px;height:18px}.vts-modal-footer{padding:12px 16px;border-top:1px solid var(--vts-border);display:flex;gap:8px;align-items:center;background:var(--vts-bg-main)}.vts-btn-main{flex:1}.vts-card-desc{font-size:11px;color:var(--vts-text-muted);margin:0 0 12px 0}.vts-my-gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.vts-saved-item{position:relative;aspect-ratio:1;border-radius:var(--vts-radius-sm);overflow:hidden;cursor:pointer;border:2px solid var(--vts-border);transition:var(--vts-transition)}.vts-saved-item:hover{border-color:var(--vts-primary)}.vts-saved-item img{width:100%;height:100%;object-fit:cover}.vts-saved-delete{position:absolute;top:4px;right:4px;width:20px;height:20px;background:rgba(239,68,68,.9);color:#fff;border:none;border-radius:50%;font-size:12px;cursor:pointer;opacity:0;transition:var(--vts-transition);display:flex;align-items:center;justify-content:center}.vts-saved-item:hover .vts-saved-delete{opacity:1}.vts-gallery-empty{text-align:center;color:var(--vts-text-muted);font-size:12px;padding:20px;margin:0}.vts-share-wrapper{position:relative}.vts-share-dropdown{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--vts-border);border-radius:var(--vts-radius-md);box-shadow:var(--vts-shadow);padding:8px 0;min-width:140px;opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);transition:var(--vts-transition);margin-bottom:8px}.vts-share-dropdown.active{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.vts-share-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;background:none;border:none;font-size:13px;color:var(--vts-text-primary);cursor:pointer;transition:var(--vts-transition);font-family:inherit;text-align:right}.vts-share-item:hover{background:var(--vts-bg-card)}.vts-share-icon{font-size:16px}.vts-canvas-toolbar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#fff;border:1px solid var(--vts-border);border-radius:var(--vts-radius-md) var(--vts-radius-md) 0 0;flex-wrap:wrap;justify-content:center;flex-shrink:0;width:600px;max-width:100%;box-sizing:border-box}.vts-toolbar-group{display:flex;align-items:center;gap:4px}.vts-toolbar-divider{width:1px;height:24px;background:var(--vts-border);margin:0 4px}.vts-toolbar-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--vts-bg-card);border:1px solid var(--vts-border);border-radius:var(--vts-radius-sm);cursor:pointer;color:var(--vts-text-secondary);transition:var(--vts-transition)}.vts-toolbar-btn:hover:not(:disabled){background:var(--vts-primary);border-color:var(--vts-primary);color:#fff}.vts-toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.vts-toolbar-btn.active{background:var(--vts-primary);border-color:var(--vts-primary);color:#fff}.vts-toolbar-btn svg{width:16px;height:16px}.vts-zoom-display{min-width:50px;text-align:center;font-size:11px;font-weight:600;color:var(--vts-text-secondary);background:var(--vts-bg-card);padding:4px 8px;border-radius:var(--vts-radius-sm);border:1px solid var(--vts-border)}.vts-canvas-wrapper .vts-canvas-box{border-radius:0 0 var(--vts-radius-lg) var(--vts-radius-lg)}.vts-keyboard-hint{position:absolute;bottom:10px;left:10px;background:rgba(0,0,0,.7);color:#fff;padding:8px 12px;border-radius:var(--vts-radius-sm);font-size:10px;opacity:0;transition:opacity 0.3s;pointer-events:none}.vts-canvas-side:hover .vts-keyboard-hint{opacity:1}.vts-auto-fit-btn{background:linear-gradient(135deg,var(--vts-secondary),#a855f7)!important;color:white!important;font-weight:600;animation:vts-glow 2s ease-in-out infinite}.vts-auto-fit-btn:hover{background:linear-gradient(135deg,#7c3aed,#9333ea)!important;transform:translateY(-2px)}@keyframes vts-glow{0%,100%{box-shadow:0 0 5px rgba(139,92,246,.5)}50%{box-shadow:0 0 20px rgba(139,92,246,.8)}}.vts-fit-guide{position:absolute;top:10px;left:10px;background:#fff;border-radius:var(--vts-radius-md);box-shadow:var(--vts-shadow);padding:15px;min-width:220px;z-index:100;border:2px solid var(--vts-secondary)}.vts-fit-guide-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-weight:600;color:var(--vts-secondary)}.vts-fit-icon{font-size:20px;animation:vts-bounce 1s ease-in-out infinite}@keyframes vts-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}.vts-fit-cancel{margin-right:auto;width:24px;height:24px;border:none;background:#fee2e2;color:#dc2626;border-radius:50%;cursor:pointer;font-size:14px;font-weight:700;transition:var(--vts-transition)}.vts-fit-cancel:hover{background:#fecaca;transform:scale(1.1)}.vts-fit-progress{height:6px;background:#e5e7eb;border-radius:3px;overflow:hidden;margin-bottom:12px}.vts-fit-progress-bar{height:100%;background:linear-gradient(90deg,var(--vts-secondary),#a855f7);border-radius:3px;transition:width 0.3s 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