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12px;font-size:13px;display:flex}.toast>svg{flex-shrink:0;margin-top:2px}.toast.is-error>svg{color:var(--danger)}.toast.is-success>svg{color:var(--success)}.toast.is-info>svg{color:var(--accent)}.toast-text{flex:1;padding-top:1px}.toast .icon-btn{width:24px;height:24px}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)scale(.98)}}.studio{--tray-h:118px;height:calc(100dvh - var(--header-h) - 40px);min-height:620px;animation:fade-in var(--med) var(--ease) both;grid-template:"main side"minmax(0,1fr)"tray tray"/minmax(0,1fr) 340px;gap:16px;display:grid}.studio-main{grid-area:main;min-height:0;display:flex}.studio-side{flex-direction:column;grid-area:side;gap:12px;min-height:0;padding-right:2px;display:flex;overflow-y:auto}.studio-tray{grid-area:tray;min-width:0}@media (width<=1080px){.studio{grid-template:"main""tray""side"/minmax(0,1fr);height:auto;min-height:0}.studio-main{height:min(72dvh,760px);min-height:420px}.studio-side{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));align-items:start;display:grid;overflow:visible}}@media (width<=640px){.app-main{padding:12px 12px 20px}.studio-main{height:64dvh;min-height:360px}}.viewer{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface-1);min-width:0;box-shadow:var(--shadow-2);flex-direction:column;flex:1;display:flex;overflow:hidden}.viewer-bar,.viewer-footer{background:var(--surface-1);justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;display:flex}.viewer-bar{border-bottom:1px solid var(--line)}.viewer-footer{border-top:1px solid var(--line);flex-wrap:wrap}.zoom-group{border-radius:var(--r-md);background:var(--surface-1);border:1px solid var(--line);align-items:center;gap:2px;padding:3px;display:flex}.zoom-readout{min-width:54px;height:30px;font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text);border-radius:var(--r-sm);transition:background-color var(--fast) var(--ease);padding:0 6px;font-size:12px}.zoom-readout:hover:not(:disabled){background:#ffffff12}.meta{min-width:0;color:var(--text-3);font-variant-numeric:tabular-nums;align-items:center;gap:12px;font-size:12px;display:flex}.meta-strong{color:var(--text);font-weight:600}.meta-truncate{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.export-group{align-items:center;gap:8px;margin-left:auto;display:flex}.stage{touch-action:none;-webkit-user-select:none;user-select:none;background:radial-gradient(circle at 50% 40%,#ffffff06,#0000 60%),#0c0d11 radial-gradient(#ffffff0b 1px,#0000 1px) 0 0/22px 22px;flex:1;min-height:0;position:relative;overflow:hidden}.stage:focus-visible{box-shadow:inset 0 0 0 2px var(--accent)}.stage.is-compare{cursor:ew-resize}.stage.is-zoomed{cursor:grab}.stage.is-zoomed:active{cursor:grabbing}.stage-backdrop{pointer-events:none;position:absolute;box-shadow:0 20px 50px -20px #000c}.stage-image{transform-origin:0 0;pointer-events:none;position:absolute;top:0;left:0}.stage-image img{width:100%;height:100%;transition:filter var(--med) var(--ease), opacity var(--med) var(--ease);position:absolute;inset:0}.stage-image.is-pixelated img{image-rendering:pixelated}.stage-image img.is-dimmed{filter:brightness(.45)saturate(.7)}.probe{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.split-line{pointer-events:none;width:0;position:absolute;top:0;bottom:0}.split-line:before{content:"";background:#ffffffe6;width:2px;position:absolute;top:0;bottom:0;left:-1px;box-shadow:0 0 0 1px #00000040,0 0 16px #0006}.split-handle{color:#1b1d24;pointer-events:auto;cursor:ew-resize;width:34px;height:34px;transition:transform var(--fast) var(--ease);background:#fff;border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;left:0;transform:translate(-50%,-50%);box-shadow:0 0 0 4px #ffffff2e,0 6px 18px #00000080}.split-handle:hover{transform:translate(-50%,-50%)scale(1.06)}.stage-label{letter-spacing:.02em;color:#fff;border-radius:var(--r-full);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;background:#0a0b0f99;border:1px solid #ffffff1a;padding:4px 9px;font-size:11px;font-weight:600;position:absolute;top:12px}.stage-label-left{left:12px}.stage-label-right{right:12px}.stage-pill{color:var(--text);border-radius:var(--r-full);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-3);animation:fade-in var(--fast) var(--ease) both;background:#15181ed9;align-items:center;gap:7px;padding:6px 12px;font-size:12px;font-weight:600;display:inline-flex;position:absolute;top:12px;left:50%;transform:translate(-50%)}.stage-pill svg{color:var(--accent)}.scan{pointer-events:none;position:absolute;overflow:hidden}.scan-bar{background:linear-gradient(#0000,#8b7cff12 60%,#9d8fff59 98%,#ffffff8c 100%);height:38%;animation:2.4s cubic-bezier(.45,0,.55,1) infinite scan;position:absolute;left:0;right:0}@keyframes scan{0%{transform:translateY(-100%)}to{transform:translateY(270%)}}.stage-card{text-align:center;border-radius:var(--r-lg);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(16px);width:min(300px,100% - 32px);box-shadow:var(--shadow-3);animation:fade-in var(--med) var(--ease) both;background:#15181ed1;flex-direction:column;align-items:center;gap:6px;padding:22px 20px 18px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.stage-card.is-error>svg{color:var(--danger);margin-bottom:4px}.stage-card .btn{margin-top:10px}.stage-card-title{font-family:var(--font-display);font-size:15px;font-weight:600}.stage-card-sub{color:var(--text-3);overflow-wrap:anywhere;font-size:12px}.progress-wrap{width:64px;height:64px;margin-bottom:8px;position:relative}.progress-ring{transform:rotate(-90deg)}.progress-ring-track{fill:none;stroke:var(--surface-4);stroke-width:4px}.progress-ring-fill{fill:none;stroke:var(--accent);stroke-width:4px;stroke-linecap:round;transition:stroke-dashoffset .42s var(--ease)}.progress-pct{font-family:var(--font-mono);font-variant-numeric:tabular-nums;place-items:center;font-size:12.5px;display:grid;position:absolute;inset:0}