:root{--background: 240 10% 3.9%;--foreground: 0 0% 98%;--card: 240 10% 4.5%;--card-foreground: 0 0% 98%;--popover: 240 10% 5%;--popover-foreground: 0 0% 98%;--primary: 217.2 91.2% 59.8%;--primary-foreground: 222.2 47.4% 11.2%;--secondary: 240 4.8% 12%;--secondary-foreground: 0 0% 98%;--muted: 240 5% 15%;--muted-foreground: 240 5% 64.9%;--accent: 240 4.8% 18%;--accent-foreground: 0 0% 98%;--destructive: 0 62.8% 30.6%;--destructive-foreground: 0 0% 98%;--border: 240 3.7% 18%;--input: 240 3.7% 20%;--ring: 240 4.9% 83.9%;--radius: .5rem;--header-h: 54px;--bottom-bar-h: 56px;--sidebar-w: 360px}*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}#app{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}body{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:hsl(var(--background));color:hsl(var(--foreground));overflow:hidden;height:100vh;width:100vw;-webkit-user-select:none;user-select:none}*{scrollbar-width:thin;scrollbar-color:hsl(var(--border)) transparent}*::-webkit-scrollbar{width:6px;height:6px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:hsl(var(--border));border-radius:9999px;border:1px solid transparent;background-clip:padding-box;transition:background-color .2s ease}*::-webkit-scrollbar-thumb:hover{background:hsl(var(--muted-foreground) / .5)}*::-webkit-scrollbar-corner{background:transparent}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.text-primary{color:hsl(var(--primary))}.text-muted-foreground{color:hsl(var(--muted-foreground))}.font-medium{font-weight:500}.font-semibold{font-weight:600}.mt-3{margin-top:12px}.border-b{border-bottom:1px solid hsl(var(--border))}.icon-xs{width:12px;height:12px}.icon-sm{width:15px;height:15px}.icon-md{width:20px;height:20px}.app-header{height:var(--header-h);border-bottom:1px solid hsl(var(--border));background-color:hsl(var(--background) / .85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:space-between;padding:0 14px;z-index:30;gap:8px;flex-shrink:0;overflow:hidden}.header-left,.header-right{display:flex;align-items:center;gap:8px;flex-shrink:0;flex-wrap:nowrap}.brand{display:flex;align-items:center;gap:8px}.brand-icon{width:20px;height:20px;color:hsl(var(--primary))}.brand-title{font-size:14px;font-weight:500;letter-spacing:-.02em}.file-badge{display:inline-flex;align-items:center;gap:6px;background-color:hsl(var(--secondary));border:1px solid hsl(var(--border));padding:3px 8px;border-radius:9999px;font-size:11px;max-width:170px}.badge-dot{width:6px;height:6px;border-radius:50%;background-color:#10b981;flex-shrink:0}.badge-text{color:hsl(var(--muted-foreground));overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:12px;font-weight:500;border-radius:calc(var(--radius) - 2px);padding:6px 12px;cursor:pointer;transition:all .15s ease;border:1px solid transparent;outline:none;white-space:nowrap}.btn-sm{height:32px;padding:0 10px}.btn-icon{width:32px;height:32px;padding:0}.btn-primary{background-color:hsl(var(--primary));color:#fff}.btn-primary:hover{filter:brightness(1.1)}.btn-secondary{background-color:hsl(var(--secondary));color:hsl(var(--secondary-foreground));border-color:hsl(var(--border))}.btn-secondary:hover{background-color:hsl(var(--accent))}.btn-ghost{background-color:transparent;color:hsl(var(--muted-foreground))}.btn-ghost:hover{background-color:hsl(var(--accent));color:hsl(var(--foreground))}.btn.active{background-color:hsl(var(--accent));color:hsl(var(--foreground));border-color:hsl(var(--border))}.file-label{cursor:pointer;display:inline-flex;align-items:center}.file-label input[type=file]{display:none}.workspace{flex:1;display:flex;overflow:hidden;position:relative}.viewport-area{flex:1;background-color:#050507;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none}#gl-canvas{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;box-shadow:0 10px 40px #000000e6;transition:transform .25s cubic-bezier(.16,1,.3,1);will-change:transform}.viewport-meta{position:absolute;bottom:12px;left:14px;display:flex;align-items:center;gap:8px;font-size:11px;color:hsl(var(--muted-foreground));background-color:hsl(var(--card) / .8);border:1px solid hsl(var(--border));padding:4px 10px;border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;z-index:10}.meitu-compare-btn{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;gap:6px;background:#141418b3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);color:#fff;padding:6px 12px;border-radius:9999px;font-size:11px;font-weight:500;cursor:pointer;z-index:22;-webkit-user-select:none;user-select:none;touch-action:none;box-shadow:0 4px 14px #0006;transition:all .15s ease}.meitu-compare-btn:active,.meitu-compare-btn.active{background:hsl(var(--primary));transform:scale(.96);border-color:transparent}.split-handle{position:absolute;top:0;bottom:0;width:48px;transform:translate(-50%);cursor:ew-resize;z-index:20;display:flex;align-items:center;justify-content:center;touch-action:none}.split-handle.hidden{display:none}.split-line{position:absolute;width:2px;top:0;bottom:0;background-color:#fff;box-shadow:0 0 10px #000c}.split-knob{position:relative;width:32px;height:32px;background-color:#fff;color:#000;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px #00000080}.sidebar-sheet{width:var(--sidebar-w);background-color:hsl(var(--card));border-left:1px solid hsl(var(--border));display:flex;flex-direction:column;height:100%;max-height:100%;z-index:25;overflow:hidden}.sheet-drag-handle{display:none;align-items:center;justify-content:center;padding:10px 0 6px;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.sheet-drag-handle:active{cursor:grabbing}.drag-bar{width:36px;height:4px;border-radius:2px;background-color:hsl(var(--muted))}.sheet-header{padding:14px 16px;border-bottom:1px solid hsl(var(--border));display:flex;align-items:center;justify-content:space-between}.sheet-title{font-size:13px;font-weight:600;letter-spacing:-.01em}.sheet-desc{font-size:11px;color:hsl(var(--muted-foreground));margin-top:1px}.sheet-section{padding:12px 16px}.section-title-row{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.section-label-bar{display:flex;align-items:center;justify-content:space-between}.section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:hsl(var(--muted-foreground))}.action-btn-group{display:flex;align-items:center;gap:6px;overflow-x:auto;overflow-y:hidden;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;flex-wrap:nowrap}.action-btn-group::-webkit-scrollbar{height:3px}.action-btn-group::-webkit-scrollbar-thumb{background-color:hsl(var(--border));border-radius:9999px}.btn-action{display:inline-flex;align-items:center;gap:4px;background-color:hsl(var(--secondary));border:1px solid hsl(var(--border));color:hsl(var(--muted-foreground));padding:4px 8px;border-radius:calc(var(--radius) - 2px);font-size:11px;font-weight:500;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all .15s ease}.btn-action:hover{background-color:hsl(var(--accent));color:hsl(var(--foreground));border-color:hsl(var(--border))}.preset-pill-list{display:flex;flex-direction:row;flex-wrap:nowrap;gap:10px;overflow-x:auto;overflow-y:hidden;padding:4px 2px 10px;scrollbar-width:thin;scrollbar-color:hsl(var(--muted-foreground) / .5) transparent;-webkit-overflow-scrolling:touch}.preset-pill-list::-webkit-scrollbar{height:4px}.preset-pill-list::-webkit-scrollbar-thumb{background-color:hsl(var(--muted-foreground) / .5);border-radius:9999px}.preset-pill-list::-webkit-scrollbar-track{background-color:transparent}.preset-card{display:flex;flex-direction:column;align-items:center;gap:6px;background:transparent;border:none;cursor:pointer;flex-shrink:0;width:68px;outline:none}.preset-thumb-wrap{width:64px;height:64px;border-radius:12px;overflow:hidden;position:relative;background-color:hsl(var(--secondary));border:2px solid transparent;box-shadow:0 2px 8px #0000004d;transition:all .2s cubic-bezier(.16,1,.3,1)}.preset-thumb-canvas{width:100%;height:100%;object-fit:cover;display:block}.preset-thumb-name{font-size:11px;font-weight:500;color:hsl(var(--muted-foreground));text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;transition:color .15s ease}.preset-card:hover .preset-thumb-wrap{border-color:hsl(var(--ring));transform:translateY(-2px)}.preset-card:hover .preset-thumb-name{color:hsl(var(--foreground))}.preset-card.active .preset-thumb-wrap{border-color:hsl(var(--primary));box-shadow:0 0 0 2px hsl(var(--primary) / .35),0 4px 12px #00000080;transform:scale(1.04)}.preset-card.active .preset-thumb-name{color:hsl(var(--primary));font-weight:600}.sheet-scroll{flex:1 1 0%;min-height:0;overflow-y:scroll;overflow-x:hidden;padding:8px 16px 28px;scrollbar-width:thin;scrollbar-color:hsl(var(--muted-foreground) / .5) transparent}.sheet-scroll::-webkit-scrollbar{width:8px}.sheet-scroll::-webkit-scrollbar-track{background:transparent}.sheet-scroll::-webkit-scrollbar-thumb{background-color:hsl(var(--muted-foreground) / .5);border-radius:9999px;border:2px solid hsl(var(--card));background-clip:padding-box}.sheet-scroll::-webkit-scrollbar-thumb:hover{background-color:hsl(var(--foreground) / .8)}.accordion-item{border-bottom:1px solid hsl(var(--border));padding:12px 0}.accordion-item:last-child{border-bottom:none}.accordion-trigger{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;margin-bottom:12px}.btn-reset-sec{font-size:10px;color:hsl(var(--muted-foreground));background:none;border:none;cursor:pointer;padding:2px 4px;border-radius:3px}.btn-reset-sec:hover{color:hsl(var(--foreground));background-color:hsl(var(--accent))}.control-list{display:flex;flex-direction:column;gap:12px}.slider-row{display:flex;flex-direction:column;gap:6px}.slider-label-wrap{display:flex;justify-content:space-between;align-items:center}.slider-name{font-size:11px;color:hsl(var(--muted-foreground))}.slider-val{font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:hsl(var(--foreground))}.shad-slider{-webkit-appearance:none;width:100%;height:5px;border-radius:9999px;background-color:hsl(var(--secondary));outline:none;cursor:pointer;touch-action:none}.shad-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background-color:hsl(var(--foreground));border:2px solid hsl(var(--background));box-shadow:0 1px 4px #0006;cursor:pointer;transition:transform .1s ease}.shad-slider::-webkit-slider-thumb:hover,.shad-slider::-webkit-slider-thumb:active{transform:scale(1.2)}.tabs-list{display:flex;background-color:hsl(var(--secondary));padding:3px;border-radius:var(--radius);gap:2px;overflow-x:auto}.tab-trigger{flex:1;padding:4px 6px;font-size:10px;font-weight:500;text-align:center;color:hsl(var(--muted-foreground));background:transparent;border:none;border-radius:calc(var(--radius) - 3px);cursor:pointer;transition:all .15s ease;white-space:nowrap}.tab-trigger.active{background-color:hsl(var(--card));color:hsl(var(--foreground));box-shadow:0 1px 2px #0003}.toast-card{position:fixed;bottom:24px;left:50%;transform:translate(-50%);display:inline-flex;align-items:center;gap:8px;background-color:hsl(var(--popover));border:1px solid hsl(var(--border));color:hsl(var(--popover-foreground));padding:8px 16px;border-radius:9999px;font-size:12px;box-shadow:0 8px 24px #0006;z-index:100;transition:opacity .2s ease,transform .2s ease}.toast-card.hidden{opacity:0;transform:translate(-50%,10px);pointer-events:none}.toast-dot{width:6px;height:6px;border-radius:50%;background-color:hsl(var(--primary))}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000bf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:60;transition:opacity .25s cubic-bezier(.16,1,.3,1);animation:fadeIn .2s cubic-bezier(.16,1,.3,1) forwards}.modal-backdrop.hidden,.modal-dialog.hidden{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalPop{0%{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.modal-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:92vw;max-width:500px;max-height:85vh;display:flex;flex-direction:column;background-color:hsl(var(--card));border:1px solid hsl(var(--border) / .8);border-radius:calc(var(--radius) + 2px);box-shadow:0 25px 60px -15px #000000bf,0 0 0 1px hsl(var(--border) / .4);z-index:70;padding:24px;animation:modalPop .25s cubic-bezier(.16,1,.3,1) forwards;overflow:hidden}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px;gap:12px;flex-shrink:0}.modal-title{font-size:16px;font-weight:600;letter-spacing:-.015em;color:hsl(var(--foreground))}.modal-desc{font-size:13px;color:hsl(var(--muted-foreground));margin-top:4px;line-height:1.4}.modal-body{display:flex;flex-direction:column;gap:16px;flex:1;min-height:0;overflow:visible;padding-right:4px}.input-group{display:flex;flex-direction:column;gap:8px}.input-label{font-size:12px;font-weight:500;color:hsl(var(--foreground) / .85)}.input-with-btn{display:flex;gap:8px}.shad-input{flex:1;height:38px;background-color:hsl(var(--secondary) / .7);border:1px solid hsl(var(--border));border-radius:var(--radius);padding:0 12px;font-size:13px;color:hsl(var(--foreground));outline:none;transition:all .15s ease}.shad-input:focus,.shad-textarea:focus{border-color:hsl(var(--primary));box-shadow:0 0 0 3px hsl(var(--primary) / .15);background-color:hsl(var(--secondary))}.shad-textarea{width:100%;background-color:hsl(var(--secondary) / .7);border:1px solid hsl(var(--border));border-radius:var(--radius);padding:10px 12px;font-size:12px;line-height:1.5;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:hsl(var(--foreground));outline:none;resize:vertical;transition:all .15s ease}.modal-actions-row{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.btn-xs{font-size:11px;padding:4px 8px;color:hsl(var(--muted-foreground))}.btn-xs:hover{color:hsl(var(--foreground))}.modal-divider{display:flex;align-items:center;text-align:center;margin:6px 0}.modal-divider:before,.modal-divider:after{content:"";flex:1;border-bottom:1px solid hsl(var(--border) / .8)}.modal-divider span{padding:0 12px;font-size:10px;font-weight:600;letter-spacing:.06em;color:hsl(var(--muted-foreground))}.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid hsl(var(--border) / .8);flex-shrink:0}.preset-manager-list{display:flex;flex-direction:column;gap:6px;max-height:50vh;overflow-y:scroll;overflow-x:hidden;padding-right:6px;scrollbar-width:thin;scrollbar-color:hsl(var(--border)) transparent;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.preset-manager-list::-webkit-scrollbar{width:6px}.preset-manager-list::-webkit-scrollbar-thumb{background-color:hsl(var(--border));border-radius:9999px}.preset-manager-list::-webkit-scrollbar-track{background-color:transparent}.preset-manager-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background-color:hsl(var(--secondary) / .5);border:1px solid hsl(var(--border) / .8);border-radius:var(--radius);gap:10px;transition:all .15s ease}.preset-manager-item:hover{background-color:hsl(var(--secondary));border-color:hsl(var(--border))}.preset-manager-item.active{border-color:hsl(var(--primary));background-color:hsl(var(--primary) / .08)}.preset-item-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.preset-item-name{font-size:13px;font-weight:500;color:hsl(var(--foreground));white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preset-item-tag{font-size:9px;font-weight:600;color:hsl(var(--muted-foreground));text-transform:uppercase;letter-spacing:.05em}.preset-item-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.btn-icon-xs{width:28px;height:28px;padding:0;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid transparent;border-radius:calc(var(--radius) - 2px);color:hsl(var(--muted-foreground));cursor:pointer;transition:all .15s ease}.btn-icon-xs:hover{background-color:hsl(var(--accent));color:hsl(var(--foreground));border-color:hsl(var(--border))}.btn-icon-xs.delete:hover{background-color:hsl(var(--destructive) / .2);color:#f87171;border-color:hsl(var(--destructive) / .4)}.mobile-preset-shelf{display:none}@media (max-width: 768px){.btn-label{display:none}.btn-sm{padding:0 8px;height:30px}.file-badge{max-width:90px}.header-left,.header-right{gap:4px}.mobile-bottom-bar{position:fixed;bottom:0;left:0;right:0;height:var(--bottom-bar-h);background-color:hsl(var(--card) / .95);border-top:1px solid hsl(var(--border));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:space-around;z-index:30;padding-bottom:env(safe-area-inset-bottom,0px)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:none;border:none;color:hsl(var(--muted-foreground));font-size:10px;cursor:pointer;padding:6px 0;transition:color .15s ease}.bottom-nav-item.active,.bottom-nav-item:hover{color:hsl(var(--foreground))}.bottom-nav-item.text-primary{color:hsl(var(--primary))}.workspace{padding-bottom:var(--bottom-bar-h)}.viewport-area{align-items:center;padding-top:10px;padding-bottom:120px;transition:none}.viewport-area.dragging{transition:none!important}.mobile-preset-shelf{position:fixed;bottom:var(--bottom-bar-h);left:0;right:0;height:120px;background:#121216e6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid hsl(var(--border) / .7);display:flex;align-items:center;padding:0 10px;z-index:28}.mobile-preset-shelf .preset-pill-list{padding:0;margin:0;width:100%;gap:12px}.mobile-preset-shelf .preset-card{width:82px}.mobile-preset-shelf .preset-thumb-wrap{width:80px;height:80px;border-radius:14px}.mobile-preset-shelf .preset-thumb-name{font-size:11px;font-weight:500}.sheet-drag-handle{display:flex}.sheet-backdrop{display:none}.sidebar-sheet{position:fixed;left:0;right:0;bottom:0;width:100vw;height:52vh;max-height:55vh;border-left:none;border-top:1px solid hsl(var(--border));border-radius:var(--radius) var(--radius) 0 0;box-shadow:0 -10px 30px #000c;transform:translateY(100%);transition:transform .28s cubic-bezier(.16,1,.3,1);z-index:45}.sidebar-sheet.open{transform:translateY(0)}.sidebar-sheet.dragging{transition:none!important}.shad-slider{height:8px}.shad-slider::-webkit-slider-thumb{width:22px;height:22px}.toast-card{bottom:calc(var(--bottom-bar-h) + 16px)}}@media (min-width: 769px){.md-hide{display:none!important}}