:root{--bg-color: #0f172a;--panel-bg: rgba(30, 41, 59, .85);--text-main: #f8fafc;--text-muted: #94a3b8;--text-color: #f8fafc;--border-color: rgba(255, 255, 255, .12);--accent: #3b82f6;--bg-secondary: rgba(255, 255, 255, .03);--panel-hover-border: rgba(255, 255, 255, .22);--toggle-bg: rgba(255, 255, 255, .06);--input-bg: rgba(0, 0, 0, .4);--color-swatch-border: rgba(255, 255, 255, .2);--canvas-border: rgba(255, 255, 255, .15);--empty-overlay-bg: rgba(15, 23, 42, .6);--empty-overlay-border: rgba(255, 255, 255, .1);--header-bg: rgba(40, 50, 70, .9);--header-border: rgba(255, 255, 255, .1);--sidebar-shadow: rgba(0, 0, 0, .3);--body-bg-image: radial-gradient(circle at 15% 50%, rgba(59, 130, 246, .15), transparent 25%), radial-gradient(circle at 85% 30%, rgba(147, 51, 234, .15), transparent 25%);--btn-bg: rgba(255, 255, 255, .06);--btn-hover-bg: rgba(59, 130, 246, .2);--btn-active-bg: rgba(59, 130, 246, .25);--btn-active-shadow: rgba(59, 130, 246, .4);--focus-ring: rgba(59, 130, 246, .3);--scrollbar-thumb: rgba(255, 255, 255, .18);--scrollbar-thumb-hover: rgba(255, 255, 255, .28);--border-icon-dot: rgba(255, 255, 255, .2);--border-icon-line: rgba(255, 255, 255, .8);--canvas-shadow: rgba(0, 0, 0, .5);--tpl-preview-border: rgba(255, 255, 255, .1);--hover-accent-text: white;--drag-over-bg: rgba(59, 130, 246, .15);--danger-hover-bg: rgba(239, 68, 68, .25);--overlay-bg: rgba(0, 0, 0, .75);--mobile-overlay-bg: rgba(0, 0, 0, .6);--primary-shadow: rgba(59, 130, 246, .4);--primary-shadow-hover: rgba(59, 130, 246, .6);--ease-out-quart: cubic-bezier(.25, 1, .5, 1);--ease-out-quint: cubic-bezier(.22, 1, .36, 1);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;color-scheme:dark}:root[data-theme=light]{--bg-color: #f1f5f9;--panel-bg: rgba(255, 255, 255, .92);--text-main: #1e293b;--text-muted: #64748b;--text-color: #1e293b;--border-color: rgba(0, 0, 0, .1);--accent: #3b82f6;--bg-secondary: rgba(0, 0, 0, .03);--panel-hover-border: rgba(0, 0, 0, .2);--toggle-bg: rgba(0, 0, 0, .05);--input-bg: rgba(255, 255, 255, .9);--color-swatch-border: rgba(0, 0, 0, .15);--canvas-border: rgba(0, 0, 0, .12);--empty-overlay-bg: rgba(241, 245, 249, .85);--empty-overlay-border: rgba(0, 0, 0, .1);--header-bg: rgba(226, 232, 240, .95);--header-border: rgba(0, 0, 0, .1);--sidebar-shadow: rgba(0, 0, 0, .08);--body-bg-image: radial-gradient(circle at 15% 50%, rgba(59, 130, 246, .08), transparent 25%), radial-gradient(circle at 85% 30%, rgba(147, 51, 234, .08), transparent 25%);--btn-bg: rgba(0, 0, 0, .04);--btn-hover-bg: rgba(59, 130, 246, .18);--btn-active-bg: rgba(59, 130, 246, .15);--btn-active-shadow: rgba(59, 130, 246, .3);--focus-ring: rgba(59, 130, 246, .25);--scrollbar-thumb: rgba(0, 0, 0, .15);--scrollbar-thumb-hover: rgba(0, 0, 0, .25);--border-icon-dot: rgba(0, 0, 0, .15);--border-icon-line: rgba(0, 0, 0, .7);--canvas-shadow: rgba(0, 0, 0, .12);--tpl-preview-border: rgba(0, 0, 0, .1);--hover-accent-text: white;--drag-over-bg: rgba(59, 130, 246, .1);--danger-hover-bg: rgba(239, 68, 68, .15);--overlay-bg: rgba(0, 0, 0, .5);--mobile-overlay-bg: rgba(0, 0, 0, .4);--primary-shadow: rgba(59, 130, 246, .25);--primary-shadow-hover: rgba(59, 130, 246, .35);color-scheme:light}body{margin:0;background-color:var(--bg-color);background-image:var(--body-bg-image);color:var(--text-main);height:100vh;overflow:hidden}.app-container{display:flex;height:100vh;width:100vw}.sidebar{width:320px;background:var(--panel-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--border-color);padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;box-shadow:4px 0 24px var(--sidebar-shadow);z-index:10}.logo{display:flex;align-items:center;gap:8px;margin:0}.logo-icon{height:36px;width:36px;border-radius:8px}.logo-text{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,#f472b6,#fb923c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.03em}.panel{display:flex;flex-direction:column;gap:12px;background:var(--bg-secondary);padding:14px;border-radius:12px;border:1px solid var(--border-color);transition:border-color .2s,opacity .4s var(--ease-out-quart),transform .5s var(--ease-out-quart);animation:panelSlideIn .5s var(--ease-out-quart) both}.panel:nth-child(1){animation-delay:0ms}.panel:nth-child(2){animation-delay:60ms}.panel:nth-child(3){animation-delay:.12s}.panel:nth-child(4){animation-delay:.18s}.panel:nth-child(5){animation-delay:.24s}.panel:nth-child(6){animation-delay:.3s}.panel:nth-child(7){animation-delay:.36s}@keyframes panelSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.panel:hover{border-color:var(--panel-hover-border)}.panel h3{margin:0;font-size:.9rem;font-weight:600;border-bottom:1px solid var(--border-color);padding-bottom:8px}.sel-count{font-weight:400;font-size:.8rem;color:var(--text-muted)}.tpl-scroll{overflow-x:auto;margin:0 -2px;padding:2px}.tpl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;min-width:max-content}.tpl-card{background:var(--toggle-bg);border:1.5px solid var(--border-color);border-radius:8px;padding:4px;cursor:pointer;transition:all .25s var(--ease-out-quart);display:flex;flex-direction:column;align-items:center;gap:3px;width:64px}.tpl-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 4px 12px #0000001a}.tpl-card:active{transform:translateY(0) scale(.96);transition-duration:.1s}.tpl-card.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--btn-active-shadow)}.tpl-preview{width:100%;border-radius:4px;overflow:hidden;border:1px solid var(--tpl-preview-border)}.tpl-header{height:12px}.tpl-body{height:22px;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700}.tpl-name{font-size:.6rem;color:var(--text-muted);text-align:center;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.divider{height:1px;background:var(--border-color);margin:2px 0}.toggle-btn{background:var(--toggle-bg);border:1px solid var(--border-color);color:var(--text-muted);padding:5px 12px;border-radius:6px;cursor:pointer;font-size:.8rem;transition:all .2s}.toggle-btn.active{background:var(--btn-hover-bg);border-color:var(--accent);color:var(--text-main)}.border-mode-group{display:flex;gap:4px}.border-mode-btn{background:var(--toggle-bg);border:1px solid var(--border-color);color:var(--text-muted);width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:.75rem;font-weight:600;transition:all .2s}.border-mode-btn:hover{border-color:var(--accent);color:var(--text-main)}.border-mode-btn.active{background:var(--btn-active-bg);border-color:var(--accent);color:var(--text-main)}.control-group{display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.bg-color-group{display:flex;align-items:center;gap:6px}.file-input{width:100%;font-size:.8rem;color:var(--text-muted)}.hint{font-size:.75rem;color:var(--text-muted);margin:0}select,input[type=text],input[type=number]{background:var(--input-bg);border:1px solid var(--border-color);color:var(--text-main);padding:5px 8px;border-radius:6px;outline:none;width:120px;transition:all .2s}select:focus,input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--focus-ring)}input[type=color]{-webkit-appearance:none;appearance:none;border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;padding:0;background:none}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:2px solid var(--color-swatch-border);border-radius:50%}input[type=range]{width:120px;accent-color:var(--accent)}.btn-primary{background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;border:none;padding:10px;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease-out-quart);box-shadow:0 4px 12px var(--primary-shadow);margin-top:4px}.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 6px 16px var(--primary-shadow-hover)}.btn-primary:active{transform:translateY(0) scale(.97);transition-duration:.1s}.main-content{flex:1;display:flex;align-items:flex-start;position:relative;overflow:auto;transition:background .4s ease;padding:48px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.canvas-wrapper{padding:32px;border-radius:16px;border:1px dashed var(--canvas-border);margin:0 auto;min-width:max-content;position:relative}.empty-state-overlay{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--empty-overlay-bg);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:emptyStateIn .6s var(--ease-out-quart) both;animation-delay:.3s;border-radius:12px;text-align:center;padding:24px;margin-top:32px;border:1px dashed var(--empty-overlay-border)}.empty-state-overlay.drag-over{background:var(--drag-over-bg);border:2px dashed var(--accent)}.empty-state-overlay p{color:var(--text-muted);font-size:.9rem;margin-bottom:24px}.canvas-wrapper-transparent{background-color:#fff;background-image:linear-gradient(45deg,#e2e2e2 25%,transparent 25%),linear-gradient(-45deg,#e2e2e2 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e2e2e2 75%),linear-gradient(-45deg,transparent 75%,#e2e2e2 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.canvas{box-shadow:0 24px 60px var(--canvas-shadow);border-radius:4px}.canvas.canvas-transparent{background-color:#fff;background-image:linear-gradient(45deg,#e2e2e2 25%,transparent 25%),linear-gradient(-45deg,#e2e2e2 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e2e2e2 75%),linear-gradient(-45deg,transparent 75%,#e2e2e2 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.main-table{background:transparent;color:#000;border-collapse:separate;border-spacing:0;touch-action:manipulation}.sel-corner,.col-header,.row-header{background:var(--header-bg);color:var(--text-muted);font-size:.7rem;font-weight:600;text-align:center;padding:4px 8px;-webkit-user-select:none;user-select:none;cursor:pointer;border:1px solid var(--header-border);transition:background .15s}.sel-corner:hover,.col-header:hover,.row-header:hover{background:var(--btn-active-bg);color:var(--hover-accent-text)}.sel-corner{width:28px;min-width:28px;font-size:.9rem}.row-header{width:28px;min-width:28px}.table-cell.selected{outline:2px solid var(--accent);outline-offset:-2px}.cell-editor{width:100%;min-width:120px;min-height:60px;resize:both;background:#fffffff2;color:#111;border:2px solid var(--accent);border-radius:4px;padding:4px;font-size:inherit;font-family:inherit;outline:none}.cell-placeholder{color:#9ca3af;font-style:italic;font-size:.85rem;pointer-events:none;white-space:nowrap}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.canvas-transparent{background-color:#fff!important;background-image:linear-gradient(45deg,#ccc 25%,transparent 25%),linear-gradient(-45deg,#ccc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ccc 75%),linear-gradient(-45deg,transparent 75%,#ccc 75%)!important;background-size:16px 16px!important;background-position:0 0,0 8px,8px -8px,-8px 0px!important}.col-header{position:relative}.col-resize-handle{position:absolute;right:0;top:0;width:5px;height:100%;cursor:col-resize;background:transparent;z-index:1}.col-resize-handle:hover{background:var(--accent);opacity:.5}.row-header{position:relative}.row-resize-handle{position:absolute;bottom:0;left:0;width:100%;height:5px;cursor:row-resize;background:transparent;z-index:1}.row-resize-handle:hover{background:var(--accent);opacity:.5}.sidebar-top{display:flex;align-items:center;justify-content:space-between}.undo-redo-bar{display:flex;gap:4px}.undo-btn{background:var(--btn-bg);border:1px solid var(--border-color);color:var(--text-main);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:1rem;transition:all .2s;display:flex;align-items:center;justify-content:center}.undo-btn:hover:not(:disabled){background:var(--btn-hover-bg);border-color:var(--accent)}.undo-btn:active:not(:disabled){transform:scale(.9);transition-duration:.1s}.undo-btn:disabled{opacity:.3;cursor:not-allowed}.edit-panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.edit-btn{background:var(--btn-bg);border:1px solid var(--border-color);color:var(--text-main);padding:6px 10px;border-radius:6px;cursor:pointer;font-size:.8rem;font-weight:600;transition:all .2s}.edit-btn:hover:not(:disabled){background:var(--btn-hover-bg);border-color:var(--accent)}.edit-btn:active:not(:disabled){transform:scale(.95);transition-duration:.1s}.edit-btn.danger:hover:not(:disabled){background:var(--danger-hover-bg);border-color:#ef4444}.edit-btn:disabled{opacity:.3;cursor:not-allowed}.main-table.handles-hidden .handle-cell{opacity:0;pointer-events:none}.export-overlay{position:fixed;inset:0;background:var(--overlay-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;animation:fadeIn .3s ease forwards}.export-overlay p{margin-top:16px;font-size:1.1rem;font-weight:600;line-height:1.5}.loader{width:48px;height:48px;border:4px solid var(--border-icon-dot);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes emptyStateIn{0%{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.export-success-toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:10px;background:var(--panel-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--accent);color:var(--accent);padding:12px 24px;border-radius:12px;font-size:.9rem;font-weight:600;box-shadow:0 8px 32px var(--canvas-shadow);z-index:10000;animation:toastIn .4s var(--ease-out-quart) both,toastOut .3s var(--ease-out-quart) 1.8s both}.success-check{color:var(--accent)}.success-check-circle{stroke-dasharray:166;stroke-dashoffset:166;animation:checkCircle .5s var(--ease-out-quart) .1s both}.success-check-mark{stroke-dasharray:48;stroke-dashoffset:48;animation:checkMark .3s var(--ease-out-quart) .4s both}.export-error-toast{border-color:#ef4444;color:#ef4444}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(20px) scale(.95)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}@keyframes toastOut{0%{opacity:1;transform:translate(-50%) translateY(0) scale(1)}to{opacity:0;transform:translate(-50%) translateY(10px) scale(.95)}}@keyframes checkCircle{to{stroke-dashoffset:0}}@keyframes checkMark{to{stroke-dashoffset:0}}.logo{transition:filter .3s var(--ease-out-quart),transform .3s var(--ease-out-quart)}.logo:hover{filter:drop-shadow(0 0 8px rgba(59,130,246,.5));transform:scale(1.03)}.border-icon-group{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.border-icon-btn{width:36px;height:36px;background:var(--btn-bg);border:1px solid var(--border-color);border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.border-icon-btn:hover{background:var(--btn-hover-bg);border-color:var(--accent)}.border-icon-btn.active{background:var(--btn-active-bg);border-color:var(--accent);box-shadow:0 0 0 2px var(--btn-active-shadow)}.b-icon{width:20px;height:20px;position:relative;border:1px dotted var(--border-icon-dot)}.b-line{position:absolute;background:var(--border-icon-line)}.top{top:-1px;left:-1px;right:-1px;height:2px}.bottom{bottom:-1px;left:-1px;right:-1px;height:2px}.left{top:-1px;bottom:-1px;left:-1px;width:2px}.right{top:-1px;bottom:-1px;right:-1px;width:2px}.center-h{top:9px;left:-1px;right:-1px;height:2px}.center-v{top:-1px;bottom:-1px;left:9px;width:2px}.b-all .b-line{display:block}.b-none .b-line,.b-top-only .b-line{display:none}.b-top-only .top{display:block}.b-bottom-only .b-line{display:none}.b-bottom-only .bottom{display:block}.b-h-only .b-line{display:none}.b-h-only .top,.b-h-only .bottom,.b-h-only .center-h{display:block}.b-v-only .b-line{display:none}.b-v-only .left,.b-v-only .right,.b-v-only .center-v{display:block}@media(max-width:768px){body{overflow:hidden;position:fixed;width:100%;height:100%}.sidebar{position:fixed;top:0;left:0;width:85%;max-width:320px;height:100%;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:100;box-shadow:none;padding:16px 12px}.sidebar.open{transform:translate(0);box-shadow:4px 0 24px var(--canvas-shadow)}.mobile-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:var(--mobile-overlay-bg);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:90;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.panel{padding:12px;gap:10px}.tpl-grid{grid-template-columns:repeat(4,1fr)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}