:root{--color-bg-primary: #0a0a0f;--color-bg-secondary: #12121a;--color-bg-tertiary: #1a1a25;--color-bg-glass: rgba(18, 18, 26, .85);--color-bg-glass-light: rgba(255, 255, 255, .03);--color-accent-primary: #6366f1;--color-accent-secondary: #8b5cf6;--color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--color-accent-glow: rgba(99, 102, 241, .3);--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--color-crown: #f59e0b;--color-filling: #3b82f6;--color-extraction: #ef4444;--color-root-canal: #8b5cf6;--color-veneer: #ec4899;--color-implant: #14b8a6;--color-bridge: #f97316;--color-denture: #06b6d4;--color-cleaning: #22c55e;--color-whitening: #fbbf24;--color-other: #64748b;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3), 0 1px 3px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .3), 0 4px 6px rgba(0, 0, 0, .2);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .4), 0 8px 10px rgba(0, 0, 0, .3);--shadow-glow: 0 0 20px var(--color-accent-glow);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--z-canvas: 1;--z-ui: 10;--z-panel: 20;--z-modal: 30;--z-tooltip: 40;--z-loading: 100}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-bg-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit;font-size:inherit}.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden}.main-content{flex:1;display:flex;position:relative;margin-top:64px;overflow:hidden}.edit-panel{width:400px;flex-shrink:0;display:flex;flex-direction:column;background:var(--color-bg-secondary);border-right:1px solid var(--color-border);overflow:hidden;z-index:var(--z-panel)}.view-panel{width:33%;min-width:350px;max-width:500px;flex-shrink:0;display:flex;flex-direction:column;background:var(--color-bg-secondary);border-left:1px solid var(--color-border);overflow:hidden;z-index:var(--z-panel)}.canvas-wrapper{flex:1;position:relative;overflow:hidden;min-width:0}#canvas-container{position:absolute;top:0;left:0;width:100%;height:100%;z-index:var(--z-canvas)}#canvas-container canvas{display:block;width:100%!important;height:100%!important}[data-app-mode=edit] .edit-panel{display:flex;order:1}[data-app-mode=edit] .canvas-wrapper{order:2}[data-app-mode=edit] .view-panel,[data-app-mode=edit] .view-mode-toggle,[data-app-mode=view] .edit-panel{display:none}[data-app-mode=view] .canvas-wrapper{order:1}[data-app-mode=view] .view-panel{display:flex;order:2}[data-app-mode=view] .view-mode-toggle{display:flex}.edit-panel,.view-panel,.canvas-wrapper{transition:all var(--transition-base)}.edit-panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--color-border);flex-shrink:0}.edit-panel-header 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var(--spacing-lg);background:var(--color-bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-border);border-radius:var(--radius-full);z-index:var(--z-ui);box-shadow:var(--shadow-xl)}.slideshow-controls.hidden{display:none}.slide-btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary);background:var(--color-bg-tertiary);border-radius:var(--radius-full);transition:all var(--transition-base)}.slide-btn:hover{color:var(--color-text-primary);background:var(--color-accent-primary);transform:scale(1.1)}.slide-btn.playing{color:var(--color-accent-primary)}.slide-progress{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);min-width:60px;text-align:center}.case-panel{position:fixed;top:80px;right:var(--spacing-lg);width:380px;max-height:calc(100vh - 100px);background:var(--color-bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-lg);z-index:var(--z-panel);box-shadow:var(--shadow-xl);overflow-y:auto;animation:slideIn .3s ease}.case-panel.hidden{display:none}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.panel-close{position:absolute;top:var(--spacing-md);right:var(--spacing-md);width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);border-radius:var(--radius-md);transition:all var(--transition-fast)}.panel-close:hover{color:var(--color-text-primary);background:var(--color-bg-tertiary)}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.panel-badges{display:flex;gap:var(--spacing-sm)}.panel-actions{display:flex;gap:var(--spacing-xs)}.panel-action-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast)}.panel-action-btn:hover{background:var(--color-border);color:var(--color-text-primary);border-color:var(--color-border-hover)}.panel-action-btn.danger:hover{background:#ef444433;color:var(--color-error);border-color:var(--color-error)}.tooth-badge,.procedure-badge{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-sm)}.tooth-badge{background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.procedure-badge{color:#fff}.procedure-badge.crown{background:var(--color-crown)}.procedure-badge.filling{background:var(--color-filling)}.procedure-badge.extraction{background:var(--color-extraction)}.procedure-badge.root-canal{background:var(--color-root-canal)}.procedure-badge.veneer{background:var(--color-veneer)}.procedure-badge.implant{background:var(--color-implant)}.procedure-badge.bridge{background:var(--color-bridge)}.procedure-badge.denture{background:var(--color-denture)}.procedure-badge.cleaning{background:var(--color-cleaning)}.procedure-badge.whitening{background:var(--color-whitening)}.procedure-badge.other{background:var(--color-other)}.panel-title{font-size:var(--font-size-xl);font-weight:600;margin-bottom:var(--spacing-xs)}.panel-date{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-bottom:var(--spacing-md)}.panel-description{color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--spacing-lg)}.panel-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.panel-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-md);cursor:pointer;transition:transform var(--transition-fast)}.panel-gallery img:hover{transform:scale(1.05)}.gallery-section-title{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-sm);margin-top:var(--spacing-md)}.comparison-container{margin-bottom:var(--spacing-lg)}.comparison-slider{position:relative;width:100%;aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;cursor:ew-resize;box-shadow:var(--shadow-md)}.comparison-before,.comparison-after{position:absolute;top:0;left:0;width:100%;height:100%}.comparison-before{z-index:2;clip-path:inset(0 50% 0 0)}.comparison-after{z-index:1}.comparison-before img,.comparison-after img{width:100%;height:100%;object-fit:cover}.comparison-label{position:absolute;bottom:var(--spacing-sm);padding:var(--spacing-xs) 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var(--spacing-md);background:var(--color-bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-border);border-radius:var(--radius-md);z-index:var(--z-tooltip);pointer-events:none;white-space:nowrap;box-shadow:var(--shadow-lg)}.tooth-tooltip.hidden{display:none}.tooltip-number{font-weight:600;color:var(--color-accent-primary);margin-right:var(--spacing-sm)}.tooltip-name{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);animation:fadeIn .2s ease}.modal-overlay.hidden{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{width:90%;max-width:600px;max-height:90vh;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden;animation:modalSlideUp .3s ease}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.modal-header h2{font-size:var(--font-size-xl);font-weight:600}.modal-close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);border-radius:var(--radius-md);transition:all var(--transition-fast)}.modal-close:hover{color:var(--color-text-primary);background:var(--color-bg-tertiary)}.profile-modal{max-width:500px}.profile-form{padding:var(--spacing-lg);max-height:calc(90vh - 80px);overflow-y:auto}.profile-photo-section{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.profile-photo-preview{width:100px;height:100px;border-radius:var(--radius-full);background:var(--color-bg-tertiary);border:3px solid var(--color-border);display:flex;align-items:center;justify-content:center;overflow:hidden;color:var(--color-text-muted)}.profile-photo-preview img{width:100%;height:100%;object-fit:cover}.profile-photo-btn{cursor:pointer}.case-form{padding:var(--spacing-lg);max-height:calc(90vh - 80px);overflow-y:auto}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-sm);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);transition:all var(--transition-fast)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.form-group textarea{resize:vertical;min-height:100px}.form-group select{cursor:pointer}.form-row-options{gap:var(--spacing-lg)}.form-group-checkbox{margin-bottom:var(--spacing-sm)}.checkbox-label{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer;font-size:var(--font-size-sm);color:var(--color-text-secondary);padding:var(--spacing-sm);border-radius:var(--radius-md);transition:all var(--transition-fast)}.checkbox-label:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.checkbox-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--color-accent-primary);cursor:pointer}.multi-tooth-select{margin-bottom:var(--spacing-md)}.tooth-chips{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);padding:var(--spacing-sm);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);max-height:150px;overflow-y:auto}.tooth-chip{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);font-weight:500;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.tooth-chip:hover{border-color:var(--color-accent-primary);background:#6366f11a}.tooth-chip.selected{background:var(--color-accent-primary);border-color:var(--color-accent-primary);color:#fff}.tooth-chip.disabled{opacity:.5;cursor:not-allowed}.tooth-selection-group{margin-bottom:var(--spacing-lg)}.tooth-selection-group .hint{font-size:var(--font-size-xs);color:var(--color-text-muted);font-weight:400}.tooth-selector{background:var(--color-bg-tertiary);border:1px solid 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