:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--fun-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--warm-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);--nature-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);--bg-color: #f0f4ff;--card-bg: #ffffff;--text-primary: #2d3748;--text-secondary: #718096;--shadow-soft: 0 4px 20px rgba(0, 0, 0, .08);--shadow-medium: 0 8px 30px rgba(0, 0, 0, .12);--shadow-glow: 0 0 30px rgba(102, 126, 234, .4);--radius-sm: 12px;--radius-md: 20px;--radius-lg: 30px;--radius-full: 50%;--transition-fast: .2s ease;--transition-medium: .3s ease;--transition-bounce: .4s cubic-bezier(.68, -.55, .265, 1.55)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:Kanit,sans-serif;background:var(--bg-color);color:var(--text-primary);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}button{font-family:inherit;cursor:pointer;border:none;outline:none;background:none}.screen{position:fixed;inset:0;display:none;opacity:0;transition:opacity var(--transition-medium)}.screen.active{display:flex;opacity:1}.home-container{width:100%;min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:linear-gradient(180deg,#e0e7ff,#f0f4ff,#fce7f3);position:relative;overflow:hidden}.home-header{text-align:center;margin-bottom:40px;z-index:1}.rainbow-text{font-size:clamp(2rem,6vw,3.5rem);font-weight:700;background:linear-gradient(90deg,#ff6b6b,#feca57,#48dbfb,#ff9ff3,#54a0ff);background-size:300% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:rainbow 4s ease infinite;text-shadow:none}@keyframes rainbow{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.subtitle{font-size:clamp(1rem,3vw,1.4rem);color:var(--text-secondary);margin-top:10px;font-weight:400}.mode-selection{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;max-width:800px;width:100%;z-index:1}.mode-card{background:var(--card-bg);border-radius:var(--radius-md);padding:30px 20px;text-align:center;box-shadow:var(--shadow-soft);transition:all var(--transition-bounce);position:relative;overflow:hidden}.mode-card:before{content:"";position:absolute;inset:0;background:var(--primary-gradient);opacity:0;transition:opacity var(--transition-medium)}.mode-card:hover,.mode-card:focus{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-glow)}.mode-card:hover:before{opacity:.05}.mode-card:active{transform:translateY(-2px) scale(.98)}.mode-icon{font-size:4rem;margin-bottom:15px;display:block;animation:bounce 2s ease-in-out infinite}.mode-card:nth-child(2) .mode-icon{animation-delay:.2s}.mode-card:nth-child(3) .mode-icon{animation-delay:.4s}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.mode-card h2{font-size:1.3rem;font-weight:600;margin-bottom:8px;position:relative}.mode-card p{font-size:.95rem;color:var(--text-secondary);position:relative}.floating-decorations{position:absolute;inset:0;pointer-events:none;overflow:hidden}.float-item{position:absolute;font-size:2rem;animation:float 6s ease-in-out infinite}.float-item:nth-child(1){top:10%;left:10%;animation-delay:0s}.float-item:nth-child(2){top:20%;right:15%;animation-delay:1s}.float-item:nth-child(3){bottom:30%;left:5%;animation-delay:2s}.float-item:nth-child(4){bottom:15%;right:10%;animation-delay:3s}.float-item:nth-child(5){top:50%;left:50%;animation-delay:4s}@keyframes float{0%,to{transform:translateY(0) rotate(0);opacity:.6}50%{transform:translateY(-20px) rotate(10deg);opacity:1}}.home-container.home-redesigned{justify-content:flex-start;padding-top:30px;overflow-y:auto}.home-container.home-redesigned .home-header{margin-bottom:25px}.home-container.home-redesigned .rainbow-text{font-size:clamp(1.8rem,5vw,2.8rem)}.quick-actions{display:flex;gap:15px;justify-content:center;margin-bottom:30px;z-index:1;flex-wrap:wrap}.action-btn{display:flex;align-items:center;gap:12px;padding:16px 32px;border-radius:var(--radius-md);font-size:1.1rem;font-weight:600;box-shadow:var(--shadow-soft);transition:all var(--transition-bounce);border:none;cursor:pointer}.action-btn-draw{background:linear-gradient(135deg,#a8edea,#fed6e3);color:#4a5568}.action-btn-upload{background:linear-gradient(135deg,#ffecd2,#fcb69f);color:#4a5568}.action-btn:hover{transform:translateY(-4px) scale(1.02);box-shadow:var(--shadow-medium)}.action-btn:active{transform:translateY(0) scale(.98)}.action-icon{font-size:1.5rem}.home-gallery-section{width:100%;max-width:900px;z-index:1;padding:0 15px 30px}.section-title{font-size:1.4rem;font-weight:600;color:var(--text-primary);margin-bottom:20px;text-align:center}.home-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:15px}.home-gallery-item{background:var(--card-bg);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);transition:all var(--transition-bounce);border:none;cursor:pointer;display:flex;flex-direction:column;padding:0}.home-gallery-item:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow-medium)}.home-gallery-item:active{transform:translateY(-2px) scale(.98)}.template-thumbnail{aspect-ratio:1;padding:12px;display:flex;align-items:center;justify-content:center;background:#fafbfc}.template-thumbnail img{max-width:100%;max-height:100%;object-fit:contain}.start-btn{display:block;padding:10px 15px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:.9rem;font-weight:500;text-align:center;transition:background var(--transition-medium)}.home-gallery-item:hover .start-btn{background:linear-gradient(135deg,#764ba2,#667eea)}@media(max-width:600px){.quick-actions{flex-direction:column;width:100%;max-width:300px}.action-btn{width:100%;justify-content:center}.home-gallery-grid{grid-template-columns:repeat(2,1fr)}}.gallery-container{width:100%;height:100%;display:flex;flex-direction:column;background:var(--bg-color)}.gallery-header{display:flex;align-items:center;gap:15px;padding:15px 20px;background:var(--card-bg);box-shadow:var(--shadow-soft)}.gallery-header h1{font-size:1.5rem;font-weight:600}.back-btn{width:50px;height:50px;border-radius:var(--radius-full);background:var(--fun-gradient);display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:var(--shadow-soft);transition:all var(--transition-bounce)}.back-btn:hover{transform:scale(1.1)}.back-btn:active{transform:scale(.95)}.category-tabs{display:flex;gap:10px;padding:15px 20px;overflow-x:auto;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.category-tab{padding:12px 24px;border-radius:var(--radius-lg);background:var(--card-bg);font-size:1rem;font-weight:500;white-space:nowrap;box-shadow:var(--shadow-soft);transition:all var(--transition-medium)}.category-tab.active{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-glow)}.category-tab:hover:not(.active){transform:translateY(-2px)}.gallery-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px;padding:20px;overflow-y:auto;align-content:start}.gallery-item{aspect-ratio:1;background:var(--card-bg);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);cursor:pointer;transition:all var(--transition-bounce);display:flex;align-items:center;justify-content:center;font-size:4rem}.gallery-item:hover{transform:scale(1.05);box-shadow:var(--shadow-medium)}.gallery-item:active{transform:scale(.98)}.gallery-item img{width:100%;height:100%;object-fit:contain;padding:10px}.gallery-item.image-template{flex-direction:column;padding:10px;aspect-ratio:auto;min-height:180px}.gallery-item.image-template img{flex:1;object-fit:contain;padding:5px;border-radius:var(--radius-sm)}.gallery-item.image-template .template-name{font-size:.9rem;font-weight:500;color:var(--text-secondary);margin-top:8px;text-align:center}.canvas-container{width:100%;height:100%;display:flex;flex-direction:column;background:#e8ecf3}.canvas-container.kids-layout{display:flex;flex-direction:column}.toolbar-top-minimal{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--card-bg);box-shadow:var(--shadow-soft);z-index:10;min-height:56px}.toolbar-group-left,.toolbar-group-right{display:flex;align-items:center;gap:8px}.toolbar-group-left .close-btn{color:#ef4444}.toolbar-group-left .close-btn span{font-size:1.2rem;font-weight:700}.zoom-percent{font-size:.85rem;font-weight:500;color:var(--text-secondary);min-width:50px;text-align:center}.toggle-btn{position:relative}.toggle-btn.active{background:#667eea26}.toggle-btn.active:after{content:"";position:absolute;bottom:2px;left:50%;transform:translate(-50%);width:16px;height:3px;background:var(--primary-color);border-radius:2px}.toolbar-divider{width:1px;height:24px;background:#00000026;margin:0 8px}.main-content{flex:1;display:flex;overflow:hidden}.sidebar-left{width:80px;background:var(--card-bg);box-shadow:var(--shadow-soft);display:flex;flex-direction:column;padding:12px 8px;gap:8px;z-index:10;overflow-y:auto}.tools-vertical{display:flex;flex-direction:column;gap:6px}.tool-btn-large{width:60px;height:60px;border-radius:var(--radius-md);background:var(--bg-color);display:flex;align-items:center;justify-content:center;transition:all var(--transition-medium);border:2px solid transparent}.tool-btn-large:hover{background:#667eea26;transform:scale(1.05)}.tool-btn-large:active{transform:scale(.95)}.tool-btn-large.active{background:var(--primary-gradient);border-color:#667eea80;box-shadow:var(--shadow-glow)}.tool-btn-large .tool-icon{font-size:1.8rem}.size-vertical{display:flex;flex-direction:column;gap:6px;margin-top:auto;padding-top:12px;border-top:1px solid rgba(0,0,0,.1)}.size-btn-vertical{width:60px;height:44px;border-radius:var(--radius-sm);background:var(--bg-color);display:flex;align-items:center;justify-content:center;transition:all var(--transition-medium)}.size-btn-vertical:hover{background:#667eea26}.size-btn-vertical.active{background:var(--primary-gradient)}.size-btn-vertical.active .size-dot{background:#fff}.sidebar-right{width:60px;background:var(--card-bg);box-shadow:var(--shadow-soft);display:flex;flex-direction:column;padding:12px 8px;z-index:10;overflow-y:auto}.colors-vertical{display:flex;flex-direction:column;gap:8px;align-items:center}.color-btn-large{width:40px;height:40px;border-radius:var(--radius-full);border:3px solid transparent;box-shadow:0 2px 8px #00000026;transition:all var(--transition-bounce);cursor:pointer}.color-btn-large:hover{transform:scale(1.15)}.color-btn-large.active{border-color:#333;transform:scale(1.2);box-shadow:0 0 0 3px #667eea66}.color-picker-btn-large{width:40px;height:40px;border-radius:var(--radius-full);background:var(--warm-gradient);display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow-soft);position:relative;overflow:hidden;margin-top:8px;border:none;cursor:pointer}.color-picker-btn-large input[type=color]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.kids-layout .canvas-wrapper{flex:1;overflow:auto;display:flex;align-items:center;justify-content:center}.toolbar-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 15px;background:var(--card-bg);box-shadow:var(--shadow-soft);z-index:10}.toolbar-group{display:flex;gap:8px}.tools-main{background:#667eea1a;padding:6px 12px;border-radius:var(--radius-lg)}.zoom-controls{background:#10b9811a;padding:6px 12px;border-radius:var(--radius-lg)}.zoom-controls .zoom-label{font-size:.85rem;min-width:55px;font-weight:500;color:var(--text-primary)}.zoom-controls .zoom-label span{font-size:.85rem}.tool-btn{width:48px;height:48px;border-radius:var(--radius-sm);background:transparent;display:flex;align-items:center;justify-content:center;font-size:1.5rem;transition:all var(--transition-medium);position:relative}.tool-btn:hover{background:#667eea26;transform:scale(1.1)}.tool-btn:active{transform:scale(.95)}.tool-btn.active{background:var(--primary-gradient);border-radius:var(--radius-sm);box-shadow:var(--shadow-glow)}.tool-btn.active span{filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.tool-btn:disabled{opacity:.4;cursor:not-allowed}.tool-btn:disabled:hover{transform:none;background:transparent}.canvas-wrapper{flex:1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;background-color:#f5f5f5}#canvas-background{position:absolute;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-medium);z-index:0}#template-canvas,#drawing-canvas{position:absolute;border-radius:var(--radius-sm);touch-action:none}#template-canvas{z-index:1;pointer-events:none;background:transparent}#drawing-canvas{z-index:2;background:transparent}.toolbar-bottom{display:flex;align-items:center;gap:15px;padding:12px 15px;background:var(--card-bg);box-shadow:0 -4px 20px #00000014;z-index:10;flex-wrap:wrap;justify-content:center}.color-palette{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:400px}.color-btn{width:36px;height:36px;border-radius:var(--radius-full);border:3px solid transparent;transition:all var(--transition-bounce);box-shadow:0 2px 8px #00000026}.color-btn:hover{transform:scale(1.2)}.color-btn.active{border-color:#333;transform:scale(1.15);box-shadow:0 0 0 3px #667eea66}.brush-size-container{display:flex;align-items:center;gap:10px;padding:8px 15px;background:#667eea1a;border-radius:var(--radius-lg)}.size-label{font-size:.9rem;font-weight:500;color:var(--text-secondary)}.size-options{display:flex;gap:8px;align-items:center}.size-btn{width:40px;height:40px;border-radius:var(--radius-full);background:transparent;display:flex;align-items:center;justify-content:center;transition:all var(--transition-bounce)}.size-btn:hover{background:#667eea33}.size-btn.active{background:var(--primary-gradient)}.size-btn.active .size-dot{background:#fff}.size-dot{border-radius:var(--radius-full);background:var(--text-primary);transition:all var(--transition-medium)}.color-picker-btn{width:50px;height:50px;border-radius:var(--radius-full);background:var(--warm-gradient);display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:var(--shadow-soft);transition:all var(--transition-bounce);position:relative;overflow:hidden}.color-picker-btn:hover{transform:scale(1.1)}.color-picker-btn input[type=color]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.stamp-selector{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:var(--card-bg);border-radius:var(--radius-md);padding:15px;box-shadow:var(--shadow-medium);z-index:100;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.stamp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stamp-option{width:50px;height:50px;border-radius:var(--radius-sm);background:var(--bg-color);font-size:1.8rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition-bounce)}.stamp-option:hover{background:#667eea33;transform:scale(1.1)}.stamp-option.active{background:var(--primary-gradient)}.modal{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal[hidden]{display:none}.modal-content{background:var(--card-bg);border-radius:var(--radius-md);padding:30px 40px;text-align:center;box-shadow:var(--shadow-medium);animation:scaleIn .3s ease;max-width:90%}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-icon{font-size:4rem;margin-bottom:15px}.modal-content h2{font-size:1.5rem;margin-bottom:10px}.modal-content p{color:var(--text-secondary);margin-bottom:20px}.modal-buttons{display:flex;gap:15px;justify-content:center}.modal-btn{padding:12px 30px;border-radius:var(--radius-lg);font-size:1.1rem;font-weight:500;transition:all var(--transition-medium)}.modal-btn:not(.cancel){background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-soft)}.modal-btn:not(.cancel):hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}.modal-btn.cancel{background:#e2e8f0;color:var(--text-primary)}.modal-btn.cancel:hover{background:#cbd5e0}.modal-btn.confirm{background:var(--secondary-gradient)}.modal-wide{max-width:600px;width:95%}.image-preview-container{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}.preview-box{text-align:center}.preview-box h3{font-size:.9rem;margin-bottom:10px;color:var(--text-secondary)}.preview-wrapper{background:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0px;background-color:#fff;border-radius:var(--radius-sm);padding:10px;min-height:150px;display:flex;align-items:center;justify-content:center;border:2px solid #e2e8f0}.preview-wrapper canvas{max-width:100%;max-height:200px;object-fit:contain}.option-controls{display:flex;flex-direction:column;gap:15px;margin:20px 0;padding:15px;background:var(--bg-color);border-radius:var(--radius-sm)}.option-label{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--text-secondary)}.option-label input[type=range]{flex:1;height:8px;border-radius:4px;background:#e2e8f0;-webkit-appearance:none;appearance:none}.option-label input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary-gradient);cursor:pointer;box-shadow:var(--shadow-soft)}.option-label span{min-width:30px;font-weight:600;color:var(--text-primary)}.spinning{animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:500px){.image-preview-container{grid-template-columns:1fr}}@media(max-width:768px){.mode-selection{grid-template-columns:1fr;max-width:350px}.mode-card{padding:25px 15px}.mode-icon{font-size:3rem}.toolbar-top{padding:8px 10px}.tool-btn{width:42px;height:42px;font-size:1.3rem}.tools-main{padding:4px 8px}.color-btn{width:32px;height:32px}.size-btn{width:36px;height:36px}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}}@media(max-width:480px){.toolbar-bottom{padding:10px;gap:10px}.brush-size-container{order:-1;width:100%;justify-content:center}.color-palette{max-width:100%}}@media(hover:none)and (pointer:coarse){.tool-btn{width:52px;height:52px;min-width:44px;min-height:44px;font-size:1.5rem}.tool-btn:hover{transform:none;background:transparent}.tool-btn.active:hover{background:var(--primary-gradient)}.tool-btn:active{transform:scale(.95);background:#667eea33}.color-btn{width:40px;height:40px;min-width:40px;min-height:40px}.color-btn:hover{transform:none}.color-btn.active:hover{transform:scale(1.15)}.color-btn:active{transform:scale(.9)}.size-btn{width:44px;height:44px;min-width:44px;min-height:44px}.toolbar-group{gap:6px}.tools-main{gap:4px;padding:6px 10px}.zoom-controls{padding:6px 10px}.toolbar-bottom{padding:12px;gap:12px}.color-palette{gap:10px}.toolbar-top,.toolbar-bottom{touch-action:manipulation}.canvas-wrapper{touch-action:none}}@media print{.toolbar-top,.toolbar-bottom,.stamp-selector{display:none!important}.canvas-wrapper{background:#fff!important}}