:root{--primary: #007AFF;--primary-hover: #0062CC;--primary-light: #E5F1FF;--secondary: #5E5CE6;--secondary-hover: #4F4BC9;--bg-app: #F5F5F7;--surface: #FFFFFF;--surface-translucent: rgba(255, 255, 255, .8);--text-main: #1D1D1F;--text-secondary: #86868B;--text-muted: #A1A1A6;--border: #D2D2D7;--border-light: #E5E5EA;--danger: #FF3B30;--success: #34C759;--warning: #FF9500;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-heading: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 12px;--radius-xl: 18px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .12);--shadow-inner: inset 0 1px 2px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh;font-family:var(--font-sans);color:var(--text-main);background-color:var(--bg-app)}#root{width:100%}.app{display:flex;flex-direction:column;height:100vh;background:var(--bg-app)}header{background:#ffffffd9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:0 var(--spacing-lg);height:52px;box-shadow:0 1px #0000000d;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}header h1{font-family:var(--font-heading);font-size:1rem;font-weight:600;color:var(--text-main);letter-spacing:-.01em;display:flex;align-items:center;gap:var(--spacing-sm)}.header-actions{display:flex;gap:var(--spacing-sm)}.header-btn{background:transparent;border:none;border-radius:var(--radius-sm);padding:4px 8px;font-family:var(--font-sans);font-size:.8rem;font-weight:500;color:var(--text-main);cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .2s ease}.header-btn:hover{background:#0000000d}.header-btn:active{background:#0000001a;transform:scale(.98)}main{display:flex;flex:1;gap:var(--spacing-lg);padding:var(--spacing-lg);overflow:hidden;max-width:1400px;margin:0 auto;width:100%}main>:first-child{flex-shrink:0}.canvas-container{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:transparent;padding:var(--spacing-md);overflow:hidden;position:relative}.canvas-wrapper{position:relative;box-shadow:0 8px 30px #0000001f;border-radius:var(--radius-sm);overflow:hidden;background:#fff;transition:transform .2s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.05)}.canvas-layer{display:block;touch-action:none}.drawing-canvas,.grid-canvas{border:2px solid #e0e0e0;border-radius:8px;max-width:100%;max-height:100%;box-shadow:0 2px 8px #0000001a}.drawing-canvas{cursor:crosshair;background:#fff}.grid-canvas{pointer-events:none;background:transparent}.toolbar{display:flex;flex-direction:column;gap:2px;padding:4px;background:#ebebf0cc;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-radius:var(--radius-lg);box-shadow:0 0 0 1px #0000000d,var(--shadow-lg);width:fit-content;min-width:200px;max-width:200px;flex-shrink:0;position:relative;z-index:10;border:none}.tool-btn{display:flex;align-items:center;gap:var(--spacing-md);padding:8px 12px;border:none;border-radius:var(--radius-sm);background:transparent;cursor:pointer;transition:all .15s ease;font-family:var(--font-sans);font-size:.9rem;color:var(--text-main);text-align:left;width:100%}.tool-btn:hover{background:#0000000d;transform:none}.tool-btn.active{background:var(--surface);color:var(--primary);font-weight:500;box-shadow:0 1px 3px #0000001a}.tool-icon{font-size:1.1rem;width:20px;text-align:center}.tool-label{font-weight:400}.color-selector{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);border:none;border-radius:var(--radius-md);background:#ffffff80;margin-top:var(--spacing-sm)}.color-selector label{font-weight:500;color:var(--text-secondary);font-size:.85rem;font-family:var(--font-sans);flex:1}.color-selector input[type=color]{width:28px;height:28px;border:2px solid white;box-shadow:0 0 0 1px #0000001a;border-radius:var(--radius-full);cursor:pointer;overflow:hidden;padding:0}.color-selector input[type=color]:hover{transform:none}.color-selector input[type=color]::-webkit-color-swatch-wrapper{padding:0}.color-selector input[type=color]::-webkit-color-swatch{border:none;border-radius:var(--radius-full)}.shape-picker-inline{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;padding:2px;background:#0000000d;border-radius:var(--radius-md);margin-top:var(--spacing-md)}.shape-btn-inline{aspect-ratio:1;border:none;border-radius:var(--radius-sm) - 1px;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;padding:0;color:var(--text-secondary);transition:all .1s ease}.shape-btn-inline:hover{color:var(--text-main);background:#ffffff80}.shape-btn-inline.selected{background:#fff;color:var(--primary);box-shadow:0 1px 3px #0000001a}.pen-picker-container{display:flex;flex-direction:column;gap:8px;margin-top:4px;margin-bottom:8px;padding:8px;background:#fff6;border-radius:var(--radius-md);box-shadow:inset 0 1px 2px #0000000d}.picker-label{font-size:.75rem;font-weight:600;color:var(--text-secondary);margin-left:4px;margin-bottom:2px;text-transform:uppercase;letter-spacing:.05em}.pen-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}.pen-option-btn{display:flex;align-items:center;gap:8px;padding:6px 8px;background:#ffffff80;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease;text-align:left;min-height:32px;color:var(--text-main)}.pen-option-btn:hover{background:#fff;box-shadow:0 1px 2px #0000000d}.pen-option-btn.selected{background:#fff;box-shadow:0 0 0 1px var(--primary);color:var(--primary)}.pen-preview-dot{border-radius:50%;flex-shrink:0;display:block}.pen-label{font-family:var(--font-sans);font-size:.8rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.font-picker-container{display:flex;flex-direction:column;gap:8px;margin-top:4px;margin-bottom:8px;padding:8px;background:#fff6;border-radius:var(--radius-md);box-shadow:inset 0 1px 2px #0000000d}.font-control-row{display:flex;align-items:center}.font-select{width:100%;padding:6px 30px 6px 10px;border:1px solid rgba(0,0,0,.05);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.85rem;color:var(--text-main);background:#fffc;cursor:pointer;outline:none;transition:all .2s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 8px center;background-size:14px}.font-select:hover{background-color:#fff;box-shadow:0 1px 3px #0000000d}.font-select:focus{border-color:var(--primary);box-shadow:0 0 0 2px #007aff33}.font-size-controls{display:flex;align-items:center;justify-content:space-between;gap:4px;background:#fff9;border:1px solid rgba(0,0,0,.05);border-radius:var(--radius-sm);padding:3px}.font-size-btn{width:28px;height:24px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid rgba(0,0,0,.05);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-main);font-size:.75rem;font-weight:600;font-family:var(--font-sans);transition:all .1s ease}.font-size-btn:hover{background:#fff;border-color:#0000001a;box-shadow:0 1px 2px #0000000d}.font-size-btn:active{transform:scale(.96);background:#f5f5f7}.font-size-display{flex:1;text-align:center;font-size:.85rem;font-weight:500;color:var(--text-secondary);font-family:var(--font-sans);font-variant-numeric:tabular-nums;-webkit-user-select:none;user-select:none}.emoji-picker-wrapper{position:absolute;left:calc(100% + .5rem);top:0;z-index:1000}.emoji-picker-inline{display:flex;flex-direction:column;gap:1rem;padding:1rem;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;max-height:600px;min-width:400px;width:400px;overflow-y:auto}.emoji-category{display:flex;flex-direction:column;gap:.5rem}.emoji-category-title{font-weight:600;font-size:1rem;color:#667eea;padding-bottom:.5rem;border-bottom:2px solid #e0e0e0;margin-bottom:.5rem}.emoji-picker-container{display:flex;flex-direction:column;gap:8px;margin-top:4px;margin-bottom:8px;padding:8px;background:#fff6;border-radius:var(--radius-md);box-shadow:inset 0 1px 2px #0000000d}.emoji-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;max-height:200px;overflow-y:auto;padding:2px}.emoji-btn{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:1.2rem;background:#ffffff80;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease;line-height:1;padding:0}.emoji-btn:hover{background:#fff;transform:scale(1.1);box-shadow:0 1px 2px #0000001a;z-index:1}.emoji-btn.selected{background:#fff;box-shadow:0 0 0 1px var(--primary)}.emoji-grid::-webkit-scrollbar{width:4px}.emoji-grid::-webkit-scrollbar-track{background:#0000000d;border-radius:4px}.emoji-grid::-webkit-scrollbar-thumb{background:#0003;border-radius:4px}.emoji-grid::-webkit-scrollbar-thumb:hover{background:#0000004d}.panel-layout{height:100%;display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--border);overflow:hidden}.panel-layout h3{padding:16px;margin:0;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-weight:600;border-bottom:1px solid var(--border);background:#ffffff80;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.panels-list{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:4px}.panel-item{display:flex;align-items:center;padding:8px;background:transparent;border-radius:var(--radius-md);cursor:default;transition:background-color .2s ease,box-shadow .2s ease;-webkit-user-select:none;user-select:none;border:1px solid transparent;gap:8px}.panel-item:hover{background:#00000008}.panel-item.selected{background:#e3ebf5;border-color:#007aff1a}.panel-item.selected .panel-name{color:var(--primary);font-weight:600}.panel-item.dragging{background:#fff;box-shadow:0 8px 16px #0000001a;border-color:var(--primary);transform:scale(1.02);z-index:100;opacity:.9}.drag-handle{color:var(--text-muted);cursor:grab;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s ease}.panel-item:hover .drag-handle,.panel-item.selected .drag-handle,.drag-handle:active{opacity:1}.drag-handle:hover{background:#0000000d;color:var(--text-main)}.drag-handle:active{cursor:grabbing}.panel-content{flex:1;display:flex;align-items:center;min-width:0}.panel-name{font-family:var(--font-sans);font-size:.95rem;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.panel-name-input{width:100%;padding:4px 8px;border:1px solid var(--primary);border-radius:4px;font-family:var(--font-sans);font-size:.95rem;outline:none;box-shadow:0 0 0 2px var(--primary-light)}.panel-delete-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .2s ease;position:relative;z-index:20}.panel-item:hover .panel-delete-btn{opacity:1}.panel-delete-btn:hover{background:#ff3b301a;color:#ff3b30}.panel-move-handle-zone{display:flex;align-items:center}.add-panel-btn{margin:12px;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.9rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px #0000000d}.add-panel-btn:hover{border-color:var(--primary);color:var(--primary);background:#fcfcfd;box-shadow:0 2px 4px #0000000d}.add-panel-btn:active{transform:scale(.98)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0006;display:flex;justify-content:center;align-items:center;z-index:2000;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}.modal-content{background:#fffffff2;padding:32px;border-radius:var(--radius-xl);box-shadow:0 20px 50px #0003;width:100%;max-width:440px;max-height:90vh;overflow-y:auto;border:1px solid rgba(255,255,255,.2);animation:modal-pop .3s cubic-bezier(.34,1.56,.64,1)}@keyframes modal-pop{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.modal-content h2{font-family:var(--font-heading);font-size:1.25rem;font-weight:600;color:var(--text-main);margin-bottom:var(--spacing-lg);text-align:center}.modal-body{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary);font-family:var(--font-sans)}.form-group input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:1rem;font-family:var(--font-sans);background:#fff;color:var(--text-main);transition:all .2s ease;width:100%}.form-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.columns-config{display:flex;flex-direction:column;gap:var(--spacing-sm);background:var(--bg-app);padding:var(--spacing-md);border-radius:var(--radius-md)}.columns-config>label{font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:4px}.row-config{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.row-config label{font-size:.9rem;color:var(--text-main);min-width:60px}.row-config input{padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);width:80px;text-align:center;font-size:.95rem;font-family:var(--font-sans)}.row-config input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.modal-actions{display:flex;gap:var(--spacing-md);justify-content:flex-end;margin-top:32px}.btn{padding:8px 16px;border:none;border-radius:var(--radius-md);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:var(--font-sans)}.btn-secondary{background:transparent;color:var(--primary)}.btn-secondary:hover{background:#007aff0d}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px #0000001a}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px #007aff33}.btn-primary:active{transform:scale(.98)}.presentation-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000;display:flex;justify-content:center;align-items:center;z-index:2000}.presentation-container{background:#000;width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden}.presentation-header{padding:var(--spacing-md) var(--spacing-xl);display:flex;justify-content:space-between;align-items:center;background:#141414cc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:absolute;top:0;left:0;right:0;z-index:10;transform:translateY(0);transition:transform .3s ease}.presentation-title{font-family:var(--font-heading);font-size:1rem;font-weight:500;color:#fff;opacity:.9}.presentation-counter{font-family:var(--font-sans);font-size:.9rem;color:#fff9;background:#ffffff1a;padding:2px 8px;border-radius:var(--radius-sm)}.presentation-close-btn{background:#ffffff1a;color:#fff;border:none;width:32px;height:32px;border-radius:var(--radius-full);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.presentation-close-btn:hover{background:#fff3}.presentation-canvas-container{flex:1;background:#000;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl)}.presentation-canvas{max-width:100%;max-height:100%;box-shadow:0 0 100px #000c;background:#fff}.presentation-controls{padding:var(--spacing-lg);display:flex;justify-content:center;align-items:center;gap:var(--spacing-xl);background:transparent;position:absolute;bottom:0;left:0;right:0;opacity:0;transition:opacity .3s ease}.presentation-container:hover .presentation-controls{opacity:1}.presentation-nav-btn{padding:12px 24px;border:none;border-radius:var(--radius-full);background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;font-family:var(--font-sans);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;min-width:100px}.presentation-nav-btn:hover:not(:disabled){background:#fff3;transform:translateY(-2px)}.presentation-nav-btn:active:not(:disabled){transform:translateY(0)}.presentation-nav-btn:disabled{opacity:.2;cursor:not-allowed;transform:none}.presentation-hint{color:#fff6;font-size:.8rem;font-weight:400;text-align:center;flex:1}@media (max-width: 768px){.presentation-header{padding:.75rem 1rem}.presentation-title{font-size:1rem}.presentation-counter{font-size:.9rem;margin:0 1rem}.presentation-controls{padding:1rem;flex-direction:column;gap:1rem}.presentation-nav-btn{width:100%;min-width:auto}.presentation-hint{font-size:.8rem}}