:root{--bg:#0b1321;--surface:#111d30;--surface-2:#17243a;--surface-3:#1d2c45;--line:#2d3d57;--ink:#f5f7fb;--muted:#9eabc0;--accent:#ff6548;--accent-2:#ff8a55;--good:#2ed38a;--shadow:0 24px 70px #0006}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden}body{color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button{font:inherit}.hidden{display:none!important}.lab-header{position:relative;z-index:20;display:flex;align-items:center;gap:24px;height:68px;padding:0 20px;border-bottom:1px solid var(--line);background:#0e1828e8;backdrop-filter:blur(18px)}.lab-brand{display:flex;align-items:center;color:var(--ink);text-decoration:none}.lab-brand>span{display:grid;width:38px;height:38px;margin-right:10px;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));font-size:21px;font-weight:900;box-shadow:0 10px 24px #ff654835}.lab-brand strong{font-size:20px;letter-spacing:-.04em}.lab-brand b{color:var(--accent)}.lab-project{display:grid;grid-template-columns:10px auto;align-items:center;margin:auto}.lab-project i{grid-row:1/3;width:8px;height:8px;margin-right:9px;border-radius:50%;background:var(--good);box-shadow:0 0 0 5px #2ed38a1c}.lab-project span{font-size:13px;font-weight:800}.lab-project small{color:var(--muted);font-size:10px}.lab-header-actions{display:flex;gap:8px}.lab-header-actions button,.canvas-toolbar button{min-width:38px;height:38px;border:1px solid var(--line);border-radius:11px;color:var(--ink);background:var(--surface-2);font-weight:800;cursor:pointer}.lab-header-actions button:disabled{opacity:.35;cursor:not-allowed}.accent{border:0!important;color:#fff!important;background:linear-gradient(135deg,var(--accent),var(--accent-2))!important;box-shadow:0 12px 28px #ff65482d}.lab-header-actions .accent{padding:0 18px}.lab-shell{display:grid;grid-template-columns:74px 285px minmax(0,1fr) 240px;height:calc(100vh - 68px)}.tool-rail{display:flex;flex-direction:column;align-items:center;gap:9px;padding:16px 10px;border-right:1px solid var(--line);background:#0e1828}.tool-rail button{display:grid;width:54px;min-height:54px;padding:8px 4px;place-items:center;border:1px solid transparent;border-radius:15px;color:var(--muted);background:transparent;cursor:pointer}.tool-rail button span{font-size:19px}.tool-rail button b{font-size:9px}.tool-rail button:hover,.tool-rail button.active{color:#fff;border-color:#3a4a64;background:var(--surface-2)}.tool-rail button.active span{color:var(--accent)}.lab-sidebar,.lab-inspector{overflow:auto;padding:20px 16px;border-right:1px solid var(--line);background:var(--surface)}.lab-inspector{border-right:0;border-left:1px solid var(--line)}.side-panel{display:none}.side-panel.active{display:block}.side-heading{display:grid;gap:4px;margin-bottom:18px}.side-heading>span{font-size:14px;font-weight:850}.side-heading small{color:var(--muted);font-size:11px}.tool-card{display:grid;grid-template-columns:36px 1fr 20px;align-items:center;gap:10px;width:100%;margin:8px 0;padding:12px;border:1px solid var(--line);border-radius:15px;color:var(--ink);background:var(--surface-2);text-align:left;cursor:pointer}.tool-card>i{display:grid;width:34px;height:34px;place-items:center;border-radius:10px;color:var(--muted);background:#22314a;font-size:10px;font-style:normal;font-weight:850}.tool-card>span{display:grid;gap:3px}.tool-card b{font-size:12px}.tool-card small{color:var(--muted);font-size:9px}.tool-card em{color:var(--muted);font-style:normal}.tool-card.ready{border-color:#ff765e75;background:linear-gradient(135deg,#2a2130,#18243a)}.tool-card.ready>i{color:#fff;background:var(--accent)}.tool-card:disabled{opacity:.55;cursor:not-allowed}.tool-notice{margin-top:14px;padding:14px;border:1px solid #ff765e55;border-radius:14px;background:#ff654810}.tool-notice b{font-size:12px}.tool-notice p{margin:6px 0 0;color:var(--muted);font-size:10px;line-height:1.5}.history-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}.history-list li{position:relative;padding:12px 12px 12px 38px;border:1px solid var(--line);border-radius:13px;color:var(--muted);background:var(--surface-2);font-size:11px}.history-list li:before{content:"";position:absolute;left:15px;top:15px;width:8px;height:8px;border-radius:50%;background:#52617a}.history-list li.current{color:#fff;border-color:#ff765e70}.history-list li.current:before{background:var(--accent);box-shadow:0 0 0 5px #ff654818}.history-list li.future{opacity:.4}.history-list li.empty{padding-left:12px;text-align:center}.history-list li.empty:before{display:none}.lab-stage{position:relative;min-width:0;overflow:hidden;background:radial-gradient(circle at 50% 45%,#1a2941 0,#0b1423 70%)}.empty-state{display:grid;height:100%;padding:30px;place-content:center;justify-items:center;text-align:center}.empty-state>span{margin-top:32px;color:var(--accent);font-size:11px;font-weight:900;letter-spacing:.18em}.empty-state h1{margin:15px 0 0;font-size:clamp(34px,4vw,62px);line-height:1;letter-spacing:-.055em}.empty-state p{max-width:520px;margin:20px 0 26px;color:var(--muted);font-size:15px}.empty-state small{margin-top:14px;color:#7f8ba0;font-size:10px}.large{padding:15px 24px;border-radius:15px;font-weight:850;cursor:pointer}.empty-orbit{position:relative;display:grid;width:130px;height:130px;place-items:center;border:1px solid #ff765e55;border-radius:50%;color:#fff}.empty-orbit b{display:grid;width:66px;height:66px;place-items:center;border-radius:22px;background:linear-gradient(145deg,var(--accent),var(--accent-2));box-shadow:0 16px 36px #ff654840}.empty-orbit i{position:absolute;width:155%;height:64%;border:1px solid #5f92ef66;border-radius:50%;animation:orbit 6s linear infinite}.empty-orbit i:after{content:"";position:absolute;right:-5px;top:50%;width:10px;height:10px;border-radius:50%;background:#5f92ef;box-shadow:-20px 0 20px #5f92ef80}.empty-orbit i:nth-of-type(2){width:185%;height:90%;border-color:#ff765e55;animation-duration:9s;animation-direction:reverse}.empty-orbit i:nth-of-type(2):after{background:var(--accent)}.empty-orbit i:nth-of-type(3){width:145%;height:115%;border-color:#ffb43855;animation-duration:12s}.empty-orbit i:nth-of-type(3):after{background:#ffb438}@keyframes orbit{to{transform:rotate(360deg)}}.canvas-state{display:grid;grid-template-rows:54px minmax(0,1fr) 38px;height:100%}.canvas-toolbar,.canvas-footer{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--line);background:#0e1828d9}.canvas-toolbar>div{display:flex;align-items:center;gap:6px}.canvas-toolbar output{min-width:55px;color:var(--muted);font-size:11px;text-align:center}.canvas-toolbar button{height:34px;min-width:34px}.canvas-toolbar button[aria-pressed=true]{color:#fff;border-color:var(--accent);background:#3a2631}.canvas-viewport{position:relative;overflow:hidden;touch-action:none;cursor:grab}.canvas-viewport.dragging{cursor:grabbing}.canvas-viewport canvas{position:absolute;left:0;top:0;transform-origin:0 0;box-shadow:var(--shadow)}.compare-curtain{position:absolute;inset:0;overflow:hidden;pointer-events:none}.compare-curtain canvas{pointer-events:none}.compare-curtain:after{content:"";position:absolute;top:0;bottom:0;left:var(--compare,50%);width:2px;background:#fff;box-shadow:0 0 15px #0005}.compare-curtain button{position:absolute;z-index:5;top:50%;left:var(--compare,50%);width:48px;height:48px;margin:-24px;border:1px solid #fff;border-radius:50%;color:#19243a;background:#fff;box-shadow:0 12px 30px #0005;pointer-events:auto;cursor:ew-resize}.canvas-footer{border-top:1px solid var(--line);border-bottom:0;color:var(--muted);font-size:10px}.lab-inspector dl{display:grid;gap:8px;margin:0}.lab-inspector dl>div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.lab-inspector dt{color:var(--muted);font-size:10px}.lab-inspector dd{margin:0;font-size:11px;font-weight:800}.privacy-note{display:flex;gap:10px;margin-top:20px;padding:13px;border:1px solid #2ed38a45;border-radius:14px;background:#2ed38a0b}.privacy-note>i{display:grid;width:24px;height:24px;flex:0 0 auto;place-items:center;border-radius:8px;color:#07150f;background:var(--good);font-style:normal;font-weight:900}.privacy-note p{display:grid;gap:4px;margin:0}.privacy-note b{font-size:10px}.privacy-note span{color:var(--muted);font-size:9px;line-height:1.5}
@media(max-width:1100px){.lab-shell{grid-template-columns:64px 255px minmax(0,1fr)}.lab-inspector{display:none}}@media(max-width:760px){html,body{overflow:auto}.lab-header{height:60px;padding:0 10px}.lab-brand strong{font-size:16px}.lab-brand>span{width:34px;height:34px}.lab-project{display:none}.lab-header-actions button:not(.accent){display:none}.lab-header-actions{margin-left:auto}.lab-shell{grid-template-columns:1fr;height:auto;min-height:calc(100vh - 60px)}.tool-rail{position:fixed;z-index:10;left:10px;right:10px;bottom:10px;display:grid;grid-template-columns:repeat(3,1fr);height:62px;padding:5px;border:1px solid var(--line);border-radius:18px;background:#111d30ed;box-shadow:0 20px 50px #0008}.tool-rail button{width:100%;min-height:50px}.lab-sidebar{display:none}.lab-stage{min-height:calc(100vh - 60px);padding-bottom:78px}.empty-state{min-height:calc(100vh - 138px);padding:24px 18px}.empty-state h1{font-size:40px}.canvas-state{height:calc(100vh - 138px);min-height:560px}.canvas-toolbar{gap:10px}.canvas-footer span:last-child{display:none}}
.turnstile-host{position:fixed;z-index:1000;right:18px;bottom:18px;min-width:1px;min-height:1px}
@media(prefers-reduced-motion:reduce){.empty-orbit i{animation:none}}

.watermark-controls{display:grid;gap:11px;margin-top:14px;padding-top:15px;border-top:1px solid var(--line)}.control-row{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:10px;font-weight:750}.control-row output{color:#fff}.control-label{margin-top:4px;color:#fff;font-size:11px;font-weight:850}.watermark-controls input[type=range]{width:100%;accent-color:var(--accent)}.workspace-secondary,.workspace-link{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--surface-2);font-size:10px;font-weight:800;cursor:pointer}.workspace-secondary:hover{border-color:#52627e;background:var(--surface-3)}.workspace-secondary:disabled{opacity:.45;cursor:not-allowed}.workspace-link{padding:2px;border:0;color:var(--muted);background:transparent;text-decoration:underline}.workspace-segmented{display:grid;grid-template-columns:1fr 1fr;padding:4px;border-radius:13px;background:#0c1626}.workspace-segmented button{padding:9px;border:0;border-radius:10px;color:var(--muted);background:transparent;font-size:10px;font-weight:850;cursor:pointer}.workspace-segmented button.active{color:#ff8c76;background:#263651}.process-button{width:100%;padding:13px 10px;border-radius:13px;font-size:11px;font-weight:900;cursor:pointer}.mask-canvas{z-index:3;box-shadow:none!important;cursor:crosshair}.brush-cursor{position:absolute;z-index:5;border:1px solid #fff;border-radius:50%;background:#ff3a4a33;box-shadow:0 0 0 1px #ff3a4aaa;pointer-events:none}.compare-curtain{z-index:6}.busy-overlay{position:fixed;z-index:100;inset:68px 0 0;display:grid;place-content:center;justify-items:center;color:#fff;background:#09111deb;backdrop-filter:blur(14px);text-align:center}.busy-overlay h2{margin:28px 20px 0;font-size:24px}.busy-overlay p{margin:9px 20px;color:var(--muted)}.busy-core{position:relative;display:grid;width:82px;height:82px;place-items:center;border-radius:26px;background:linear-gradient(145deg,var(--accent),var(--accent-2));box-shadow:0 20px 50px #ff654844}.busy-core b{font-size:25px}.busy-core i,.busy-core:after{content:"";position:absolute;inset:-22px;border:1px solid #ff765e99;border-radius:50%;animation:busyOrbit 2.4s linear infinite}.busy-core:after{inset:-38px;border-color:#5f92ef77;animation-duration:3.7s;animation-direction:reverse}@keyframes busyOrbit{to{transform:rotate(360deg);border-radius:42% 58% 55% 45%}}.workspace-toast{position:fixed;z-index:120;right:18px;bottom:18px;max-width:min(380px,calc(100vw - 36px));padding:14px 16px;border:1px solid #ff765e66;border-radius:14px;color:#fff;background:#1a263b;box-shadow:0 18px 55px #0008;font-size:12px;font-weight:750}.workspace-toast.error{border-color:#f05e5e;background:#3a1d27}
.selection-methods-unified{grid-template-columns:repeat(3,minmax(0,1fr))}
.tool-mode-note{display:grid;gap:5px;padding:12px;border:1px solid #ff765e4d;border-radius:13px;background:#ff65480c}.tool-mode-note b{font-size:11px}.tool-mode-note span{color:var(--muted);font-size:9px;line-height:1.5}.tool-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px #ff65482e,0 12px 30px #0002}.brush-cursor.erase{background:#5f92ef24;box-shadow:0 0 0 1px #7ba8ffcc}.watermark-only.tool-hidden{display:none!important}
.object-only{display:grid;gap:9px}.object-only.tool-hidden,.smart-only.tool-hidden{display:none!important}.selection-hint{display:block;color:var(--muted);font-size:9px;line-height:1.5}.brush-cursor.smart{display:grid;place-items:center;width:30px!important;height:30px!important;border-color:#9bc0ff;background:#5f92ef26;box-shadow:0 0 0 4px #5f92ef18}.brush-cursor.smart:after{content:"✦";color:#fff;font-size:12px;text-shadow:0 1px 6px #000}.selection-canvas{z-index:4;box-shadow:none!important;pointer-events:none;image-rendering:auto}
@media(max-width:760px){.busy-overlay{inset:60px 0 0}.busy-overlay h2{font-size:20px}.watermark-controls{padding-bottom:20px}}
.selection-methods-unified{grid-template-columns:repeat(2,minmax(0,1fr))}
.new-image-button,.workspace-exit{display:flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:11px;color:var(--ink);background:var(--surface-2);font-size:11px;font-weight:850;text-decoration:none;cursor:pointer}
.new-image-button span{font-size:18px;line-height:1}.new-image-button b{font-size:11px}.workspace-exit:hover,.new-image-button:hover{border-color:#52627e;background:var(--surface-3)}
@media(max-width:760px){.lab-header{gap:8px}.lab-header-actions button:not(.accent):not(.new-image-button){display:none}.lab-header-actions button#newImageButton{display:flex}.new-image-button{width:38px;padding:0}.new-image-button b{display:none}.workspace-exit{padding:0 9px;font-size:10px}.lab-header-actions .accent{padding:0 11px}}
.brush-cursor{left:0!important;top:0!important;will-change:transform;contain:layout paint}
@media(prefers-reduced-motion:reduce){.busy-core i,.busy-core:after{animation:none}}
.mask-canvas{opacity:.62}
.selection-canvas{inset:0!important;width:100%!important;height:100%!important;transform:none!important}
.canvas-viewport canvas{display:block}
.canvas-viewport.smart-selecting{cursor:progress}.canvas-viewport canvas,.editor-image{position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform}.editor-image{z-index:1;display:block;max-width:none;object-fit:fill;pointer-events:none;user-select:none;box-shadow:var(--shadow);backface-visibility:hidden;image-rendering:auto}#editorCanvas{z-index:0;opacity:0;pointer-events:none}
@media(max-width:760px){
  html,body{height:100%;overflow:hidden}
  .lab-header{height:56px;gap:6px;padding:0 8px}
  .lab-brand>span{width:32px;height:32px;margin-right:6px;border-radius:10px}
  .lab-brand strong{font-size:15px;white-space:nowrap}
  .workspace-exit{display:none}
  .lab-header-actions{gap:5px}
  .lab-header-actions .accent{height:36px;padding:0 10px;font-size:10px}
  .new-image-button{display:flex!important;width:36px;height:36px;padding:0}
  .lab-shell{display:grid;grid-template-columns:1fr;grid-template-rows:minmax(260px,1fr) minmax(150px,34dvh) 58px;height:calc(100dvh - 56px);min-height:0}
  .lab-stage{grid-row:1;min-height:0;padding:0;overflow:hidden}
  .canvas-state{height:100%;min-height:0;grid-template-rows:46px minmax(0,1fr) 28px}
  .canvas-toolbar{padding:5px 8px}
  .canvas-toolbar button{height:34px;min-width:34px;font-size:11px}
  .canvas-toolbar output{min-width:42px}
  .canvas-footer{padding:4px 8px;font-size:9px}
  .lab-sidebar{display:block;grid-row:2;min-height:0;padding:10px 12px 18px;border:0;border-top:1px solid var(--line);overflow:auto;overscroll-behavior:contain}
  .side-heading,.tool-card{display:none}
  .watermark-controls{margin:0;padding:0;border:0;gap:8px}
  .tool-mode-note{display:none}
  .selection-methods-unified{position:sticky;z-index:2;top:0;background:#0c1626}
  .control-label{margin:0}
  .selection-hint{font-size:8px;line-height:1.35}
  .process-button{position:sticky;z-index:2;bottom:0}
  .tool-rail{position:static;grid-row:3;display:grid;grid-template-columns:repeat(3,1fr);height:58px;padding:4px 8px;border:0;border-top:1px solid var(--line);border-radius:0;background:#0e1828;box-shadow:none}
  .tool-rail button{width:100%;min-height:48px;padding:4px}
  .tool-rail button span{font-size:16px}
  .tool-rail button b{font-size:8px}
  .empty-state{height:100%;min-height:0;padding:18px}
  .empty-orbit{width:90px;height:90px}
  .empty-orbit b{width:50px;height:50px;border-radius:16px}
  .empty-state>span{margin-top:18px}
  .empty-state h1{font-size:clamp(28px,10vw,40px)}
  .empty-state p{margin:12px 0 18px;font-size:13px}
  .busy-overlay{inset:56px 0 0}
  .workspace-toast{right:10px;bottom:66px;max-width:calc(100vw - 20px)}
}

/* Interactive revision timeline */
.history-list li{padding:0!important;background:transparent!important;border:0!important}
.history-list li::before{display:none!important}
.history-list li button{width:100%;display:grid;grid-template-columns:54px minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2);color:var(--text);text-align:left;cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}
.history-list li button:hover{border-color:rgba(255,101,76,.65);transform:translateY(-1px)}
.history-list li.current button{border-color:var(--accent);background:rgba(255,101,76,.11);box-shadow:0 0 0 1px rgba(255,101,76,.08) inset}
.history-list li.future button{opacity:.62}
.history-list li img{width:54px;height:42px;border-radius:9px;object-fit:cover;background:#0b1628}
.history-list li span{display:grid;min-width:0;gap:3px}
.history-list li span small{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.05em}
.history-list li span b{overflow:hidden;color:var(--text);font-size:11px;text-overflow:ellipsis;white-space:nowrap}
.history-list li em{color:var(--accent);font-size:9px;font-style:normal}

/* Multi-photo project queue */
.batch-panel{display:grid;gap:9px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.batch-panel.hidden{display:none}
.batch-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}
.batch-heading span{font-size:12px;font-weight:900}
.batch-heading small{padding:4px 7px;border-radius:8px;color:#fff;background:#263651;font-size:9px;font-weight:850}
.photo-list{display:grid;gap:7px;max-height:260px;padding-right:3px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.photo-card{display:grid;grid-template-columns:50px minmax(0,1fr) 9px;align-items:center;gap:9px;width:100%;padding:7px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--surface-2);text-align:left;cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}
.photo-card:hover{border-color:#52627e;transform:translateY(-1px)}
.photo-card.active{border-color:var(--accent);background:#ff654812;box-shadow:0 0 0 1px #ff654814 inset}
.photo-card img{width:50px;height:38px;border-radius:8px;object-fit:cover;background:#0b1628}
.photo-card span{display:grid;min-width:0;gap:3px}
.photo-card b{overflow:hidden;font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.photo-card small{color:var(--muted);font-size:8px}
.photo-card i{width:8px;height:8px;border-radius:50%;background:#60708a;box-shadow:0 0 0 4px #60708a18}
.photo-card.status-queued i{background:#ffb438;box-shadow:0 0 0 4px #ffb43818}
.photo-card.status-processing i{background:#5f92ef;box-shadow:0 0 0 4px #5f92ef1c;animation:batchPulse 1s ease-in-out infinite}
.photo-card.status-done i{background:var(--good);box-shadow:0 0 0 4px #2ed38a18}
.photo-card.status-error i{background:#f05e5e;box-shadow:0 0 0 4px #f05e5e18}
.batch-primary{width:100%;padding:12px;border-radius:12px;font-size:10px;font-weight:900;cursor:pointer}
.batch-primary:disabled{filter:saturate(.25);opacity:.45;cursor:not-allowed;box-shadow:none!important}
.batch-hint{color:var(--muted);font-size:8px;line-height:1.5}
@keyframes batchPulse{50%{opacity:.35;transform:scale(.72)}}

@media(max-width:760px){
  #historyPanel.active{display:block}
  #historyPanel .side-heading{display:grid}
  .history-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .history-list li button{grid-template-columns:44px minmax(0,1fr);padding:6px}
  .history-list li img{width:44px;height:36px}
  .history-list li em{display:none}
  .photo-list{grid-template-columns:repeat(2,minmax(0,1fr));max-height:190px}
  .photo-card{grid-template-columns:42px minmax(0,1fr) 7px;padding:5px}
  .photo-card img{width:42px;height:34px}
}

/* Explicit add/erase modes keep the same selection model usable on touch screens. */
.mask-action-row{display:grid;gap:7px}
.mask-actions button{min-height:38px}
.mask-actions button.active:first-child{color:#ff9a84;background:#263651}
.mask-actions button.active:last-child{color:#a9c8ff;background:#233755}
.touch-selection-hint{display:none}
.mask-canvas,.canvas-viewport{touch-action:none;overscroll-behavior:contain;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
@media(max-width:760px){
  .touch-selection-hint{display:block}
  .selection-methods-unified button,.mask-actions button{min-height:46px;font-size:11px}
  .mask-action-row{padding-top:2px}
  .workspace-segmented{gap:4px}
  .watermark-controls input[type=range]{min-height:30px}
  .lab-sidebar{padding-bottom:max(18px,env(safe-area-inset-bottom))}
}