:root{--bg-0: #1a1a1a;--bg-1: #232323;--bg-2: #2b2b2b;--bg-3: #353535;--bg-4: #424242;--bg-hover: #3d3d3d;--border: #0e0e0e;--border-soft: #3a3a3a;--text: #e6e6e6;--text-dim: #999;--text-faint: #6a6a6a;--accent: #2e8cf0;--accent-2: #1668b8;--accent-soft: rgba(46, 140, 240, .18);--danger: #e25555;--success: #4caf50;--menubar-h: 30px;--toolbar-w: 44px;--sidebar-w: 268px;--statusbar-h: 24px;--tabbar-h: 28px;--radius-sm: 3px;--radius: 4px;--radius-lg: 6px;--shadow-1: 0 1px 2px rgba(0, 0, 0, .3);--shadow-2: 0 4px 12px rgba(0, 0, 0, .35);--shadow-3: 0 8px 32px rgba(0, 0, 0, .5);--t-fast: .1s ease-out;--t-med: .18s ease-out}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:var(--bg-0);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe 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.panel-body{padding:10px 12px;overflow-y:auto}#panel-color .swatches{display:flex;align-items:center;gap:10px;flex-wrap:wrap}#panel-color .swatch{width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--border);cursor:pointer;position:relative;box-shadow:var(--shadow-1),inset 0 0 0 1px #ffffff0d;transition:transform var(--t-fast)}#panel-color .swatch:hover{transform:scale(1.05)}#panel-color .swatch input[type=color]{position:absolute;inset:0;opacity:0;cursor:pointer}#panel-color .swap-btn{width:26px;height:26px;border-radius:var(--radius);background:var(--bg-3);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:14px}#panel-color .swap-btn:hover{background:var(--bg-4)}#panel-color .preset{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;margin-top:10px}#panel-color .preset .p{aspect-ratio:1;border-radius:2px;border:1px solid var(--border);cursor:pointer;transition:transform var(--t-fast)}#panel-color .preset 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button:hover:not(.active){background:var(--bg-2);color:var(--text)}#panel-layers{flex:1}#panel-layers .panel-body{flex:1;padding:0}#panel-layers .layer-list{display:flex;flex-direction:column-reverse}#panel-layers .layer-item{display:flex;align-items:center;gap:8px;padding:5px 10px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--t-fast);position:relative}#panel-layers .layer-item:hover{background:#ffffff08}#panel-layers .layer-item.active{background:var(--accent-soft);box-shadow:inset 2px 0 0 var(--accent)}#panel-layers .layer-item.drag-over-above{box-shadow:inset 0 2px 0 var(--accent)}#panel-layers .layer-item.drag-over-below{box-shadow:inset 0 -2px 0 var(--accent)}#panel-layers .layer-item .vis{width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:color var(--t-fast)}#panel-layers .layer-item .vis:hover{color:var(--text)}#panel-layers .layer-item .vis svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6}#panel-layers .layer-item .thumb{width:36px;height:36px;background:repeating-conic-gradient(#555 0% 25%,#777 0% 50%) 50% / 8px 8px;border:1px solid var(--border);border-radius:var(--radius-sm);flex-shrink:0;position:relative;overflow:hidden;cursor:pointer}#panel-layers .layer-item .thumb.target{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}#panel-layers .layer-item .thumb.mask{background:#000}#panel-layers .layer-item .thumb.mask.disabled{opacity:.4}#panel-layers .layer-item .thumb.mask.disabled:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent calc(50% - 1px),var(--danger) calc(50% - 1px),var(--danger) calc(50% + 1px),transparent calc(50% + 1px));pointer-events:none}#panel-layers .layer-item .thumb canvas{width:100%;height:100%;display:block}#panel-layers .layer-item .thumb .type-badge{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:2px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;font-family:serif;line-height:1;box-shadow:0 0 0 1px #0006;pointer-events:none}#panel-layers .layer-item .meta{flex:1;min-width:0;display:flex;flex-direction:column}#panel-layers .layer-item .name{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#panel-layers .layer-item .sub{font-size:10px;color:var(--text-faint)}#panel-layers .layer-item .name input{width:100%;background:var(--bg-0);font-size:12px}#panel-layers .layer-controls{display:flex;flex-direction:column;padding:8px 10px;border-top:1px solid var(--border);gap:7px;background:var(--bg-2)}#panel-layers .layer-controls .row{display:flex;align-items:center;gap:7px}#panel-layers .layer-controls .row label{width:56px;color:var(--text-dim);font-size:11px}#panel-layers .layer-controls .row select,#panel-layers .layer-controls .row input[type=range]{flex:1}#panel-layers .layer-controls .row input[type=number]{width:52px}#panel-layers .layer-actions{display:flex;justify-content:flex-end;gap:3px;padding:6px 8px;background:var(--bg-2);border-top:1px solid var(--border)}#panel-layers .layer-actions button{padding:5px 7px;background:transparent;color:var(--text-dim);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}#panel-layers .layer-actions button:hover{background:var(--bg-3);color:var(--text)}#panel-layers .layer-actions button:disabled{opacity:.35;cursor:not-allowed}#panel-layers .layer-actions button svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}#statusbar{background:var(--bg-1);border-top:1px solid var(--border);display:flex;align-items:center;padding:0 12px;gap:20px;color:var(--text-dim);font-size:11px;font-variant-numeric:tabular-nums}#statusbar 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.frame{fill:none;stroke:var(--accent);stroke-width:1.5;vector-effect:non-scaling-stroke}#viewport svg.tool-overlay .frame.dim{stroke:#ffffff80;stroke-dasharray:3 3}#viewport .text-editor{position:absolute;outline:1px dashed var(--accent);outline-offset:2px;background:transparent;border:0;padding:0;margin:0;resize:none;line-height:1.2;white-space:pre;overflow:hidden;caret-color:var(--accent);z-index:5;user-select:text;-webkit-user-select:text;pointer-events:auto}#viewport .text-editor:focus{outline:1px solid var(--accent)}.modal-backdrop{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fade-in .15s ease-out}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-pop{0%{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;min-width:340px;box-shadow:var(--shadow-3);animation:modal-pop .16s ease-out}.modal h2{margin:0 0 14px;font-size:14px;font-weight:600;letter-spacing:.3px}.modal .form-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}.modal .form-row label{width:90px;color:var(--text-dim);font-size:11px}.modal .form-row input,.modal .form-row select{flex:1}.modal .form-row input[type=number]{max-width:110px}.modal .form-row .units{color:var(--text-dim);font-size:11px}.modal .modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.modal .modal-actions button{padding:7px 16px;border-radius:var(--radius);background:var(--bg-3);font-size:12px}.modal .modal-actions button:hover{background:var(--bg-4)}.modal .modal-actions button.primary{background:var(--accent);color:#fff}.modal .modal-actions button.primary:hover{background:var(--accent-2)}.modal.ai-modal{min-width:360px;max-width:420px}.modal.ai-modal .ai-modal-text{margin:0 0 6px;font-size:12px;line-height:1.55;color:var(--text-dim)}.modal.ai-modal .ai-modal-status{font-size:12px;color:var(--text-dim);margin-bottom:10px;min-height:16px}.modal.ai-modal .ai-modal-bar{height:6px;background:var(--bg-3);border-radius:3px;overflow:hidden}.modal.ai-modal .ai-modal-bar-fill{height:100%;width:0%;background:var(--accent);transition:width .15s ease-out}.modal.levels-modal{min-width:360px}.modal.levels-modal canvas.levels-hist{display:block;width:100%;height:110px;border-radius:var(--radius-sm);background:#1a1a1a;margin-bottom:14px}.modal.levels-modal .levels-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}.modal.levels-modal .levels-row>label{width:60px;color:var(--text-dim);font-size:11px}.levels-tri{flex:1;display:flex;flex-direction:column;gap:8px}.levels-bar{position:relative;height:6px;background:linear-gradient(to right,#000,#fff);border-radius:3px}.levels-bar.grad{background:linear-gradient(to right,#000,#fff)}.levels-knob{position:absolute;top:100%;width:0;height:0;transform:translate(-50%,2px);border-left:6px solid transparent;border-right:6px solid transparent;cursor:ew-resize}.levels-knob.blk{border-top:8px solid #000}.levels-knob.mid{border-top:8px solid #888}.levels-knob.wht{border-top:8px solid #fff}.levels-nums{display:flex;gap:6px;justify-content:space-between}.levels-nums input{flex:1;text-align:center;font-size:11px}.modal.curves-modal{min-width:320px}.curves-canvas{display:block;width:280px;height:280px;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:crosshair;margin:0 auto 14px}.modal.gradient-map-modal{min-width:380px}.gradient-map-list{display:flex;flex-direction:column;gap:6px;margin:6px 0 12px}.gradient-map-row{display:flex;align-items:center;gap:10px;padding:6px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent}.gradient-map-row:hover{background:var(--bg-3)}.gradient-map-row.active{background:var(--accent-soft);border-color:var(--accent)}.gradient-map-strip{width:220px;height:28px;border-radius:var(--radius-sm);border:1px solid var(--border)}.gradient-map-label{font-size:12px;color:var(--text)}.modal.effects-modal{min-width:640px;max-width:90vw;max-height:88vh;display:flex;flex-direction:column}.modal.effects-modal .effects-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;overflow-y:auto;padding:4px;margin:4px 0 12px}.effect-item{cursor:pointer;background:var(--bg-2);border:1px solid var(--border-soft);border-radius:var(--radius);padding:6px;display:flex;flex-direction:column;align-items:center;transition:border-color .12s,background .12s}.effect-item:hover{background:var(--bg-3);border-color:var(--accent)}.effect-item canvas{display:block;max-width:100%;height:auto;border-radius:var(--radius-sm);background:#000}.effect-item-label{margin-top:6px;font-size:11px;color:var(--text);user-select:none}.ai-spinner{position:absolute;width:36px;height:36px;pointer-events:none;z-index:50;transform:translate(-50%,-50%)}.ai-spinner:before,.ai-spinner:after{content:"";position:absolute;inset:0;border-radius:50%}.ai-spinner:before{background:#0000008c;backdrop-filter:blur(2px)}.ai-spinner:after{border:2px solid rgba(255,255,255,.18);border-top-color:var(--accent);border-right-color:var(--accent);animation:ai-spinner-rot .85s linear infinite}@keyframes ai-spinner-rot{to{transform:rotate(360deg)}}.rmbg-busy{position:absolute;inset:0;z-index:60;display:grid;place-items:center;background:#00000059;backdrop-filter:blur(2px);pointer-events:auto;cursor:wait}.rmbg-busy-card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-3);padding:22px 28px;display:flex;align-items:center;gap:16px;color:var(--text);font-size:14px;font-weight:500}.rmbg-busy-spinner{position:relative;transform:none}.rmbg-busy-label{white-space:nowrap}.modal.export-modal{min-width:760px;max-width:90vw;padding:22px}.export-layout{display:grid;grid-template-columns:380px 1fr;gap:24px;margin-bottom:10px}.export-preview{display:flex;flex-direction:column;align-items:center;gap:8px}.export-preview-box{width:360px;height:360px;display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#888 0% 25%,#ccc 0% 50%) 0 / 16px 16px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff0d}.export-preview-img{max-width:100%;max-height:100%;display:block;image-rendering:-webkit-optimize-contrast}.export-preview-meta{color:var(--text-dim);font-size:11px;font-variant-numeric:tabular-nums}.export-settings{display:flex;flex-direction:column;gap:6px}.export-settings .form-row{margin-bottom:4px}.export-settings .form-row label{width:92px}.export-settings .seg{display:flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;flex:1}.export-settings .seg button{flex:1;padding:5px 4px;background:var(--bg-1);color:var(--text-dim);font-size:11px;transition:background var(--t-fast),color var(--t-fast);border-right:1px solid var(--border)}.export-settings .seg button:last-child{border-right:0}.export-settings .seg button:hover{background:var(--bg-2);color:var(--text)}.export-hint{font-size:10.5px;color:var(--text-faint);margin:-2px 0 4px 100px;font-style:italic}.export-size-card{margin-top:14px;padding:12px 14px;background:linear-gradient(180deg,var(--bg-2),var(--bg-1));border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;gap:2px}.export-size-main{font-size:22px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.3px}.export-size-sub{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}.color-picker{width:380px}.color-picker .sv-area{position:relative;width:100%;aspect-ratio:1.4;border-radius:var(--radius);cursor:crosshair;overflow:hidden;border:1px solid var(--border)}.color-picker .sv-area .pointer{position:absolute;width:12px;height:12px;border:2px solid white;border-radius:50%;box-shadow:0 0 0 1px #000;transform:translate(-50%,-50%);pointer-events:none}.color-picker .hue-slider{margin-top:12px;height:14px;border-radius:7px;position:relative;cursor:pointer;background:linear-gradient(to right,red,#ff0 17%,#0f0 33%,#0ff,#00f 67%,#f0f 83%,red);border:1px solid var(--border)}.color-picker .hue-slider .knob{position:absolute;top:50%;width:4px;height:22px;background:#fff;border:1px solid black;border-radius:2px;transform:translate(-50%,-50%);pointer-events:none}.color-picker .alpha-slider{margin-top:10px;height:14px;border-radius:7px;position:relative;cursor:pointer;background:linear-gradient(to right,transparent,var(--cp-solid, #000)),repeating-conic-gradient(#888 0% 25%,#ccc 0% 50%) 0 / 8px 8px;background-blend-mode:normal;border:1px solid var(--border)}.color-picker .alpha-slider .knob{position:absolute;top:50%;width:4px;height:22px;background:#fff;border:1px solid black;border-radius:2px;transform:translate(-50%,-50%);pointer-events:none}.color-picker .swatch-row{display:flex;gap:10px;margin-top:12px;align-items:center}.color-picker .preview{display:flex;height:36px;width:80px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:repeating-conic-gradient(#888 0% 25%,#ccc 0% 50%) 0 / 10px 10px}.color-picker .preview .half{flex:1}.color-picker .fields{display:grid;grid-template-columns:auto 70px;gap:4px 8px;align-items:center;flex:1}.color-picker .fields label{color:var(--text-dim);font-size:11px;text-transform:uppercase;letter-spacing:.5px}.color-picker .fields input{width:100%}.color-picker .hex-row{display:flex;gap:8px;align-items:center;margin-top:10px}.color-picker .hex-row label{color:var(--text-dim);font-size:11px}.color-picker .hex-row input{flex:1;font-family:ui-monospace,monospace;text-transform:uppercase}#toast-host{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:2000;pointer-events:none}.toast{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:9px 14px;font-size:12px;box-shadow:var(--shadow-2);pointer-events:auto;animation:toast-in .18s ease-out;display:flex;align-items:center;gap:8px;min-width:200px;border-left:3px solid var(--accent)}.toast.success{border-left-color:var(--success)}.toast.error{border-left-color:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.toast.fade-out{animation:toast-out .2s ease-out forwards}@keyframes toast-out{to{opacity:0;transform:translate(20px)}}.context-menu{position:fixed;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-3);padding:4px 0;min-width:180px;z-index:3000;animation:dropdown-in .12s ease-out}.context-menu .entry{display:flex;align-items:center;justify-content:space-between;padding:5px 14px;cursor:pointer;gap:16px}.context-menu .entry:hover{background:var(--accent)}.context-menu .entry.disabled{color:var(--text-faint);cursor:not-allowed}.context-menu .entry.disabled:hover{background:transparent}.context-menu .sep{height:1px;background:var(--border-soft);margin:4px 0}@media (max-width: 740px){:root{--toolbar-w: 44px;--sidebar-w: 260px;--menubar-h: 34px}#menubar .app-title{display:none}#menubar .menu-item{padding:8px 10px;font-size:13px}#toolbar .tool-btn{width:40px;height:40px}#toolbar .tool-btn .tip{display:none!important}#workspace{grid-template-columns:var(--toolbar-w) 1fr 0!important}#sidebar{position:absolute;top:0;bottom:0;right:0;width:var(--sidebar-w);max-width:85vw;z-index:20;box-shadow:var(--shadow-3);display:flex}body.sidebar-collapsed #sidebar{display:none}.collapse-handle{width:24px;height:68px}.collapse-handle.right{right:0}body:not(.sidebar-collapsed) .collapse-handle.right{right:min(var(--sidebar-w),85vw)}}