:root{color-scheme:dark;--bg: #1e1e1e;--panel: #262626;--panel-hi: #303030;--panel-hover: #3a3a3a;--panel-press: #2a2a2a;--border: #3a3a3a;--text: #e8e8e8;--on-accent: #ffffff;--muted: #888;--accent: #6c7eff;--danger: #c44;--checker-1: #383838;--checker-2: #2a2a2a;--input-bg: #1a1a1a;--kbd-bg: #1a1a1a;--kbd-border: #444;--tooltip-bg: #1a1a1a;--scrim: rgba(0, 0, 0, .55);--shadow-strong: 0 8px 32px rgba(0,0,0,.5);--shadow-medium: 0 6px 24px rgba(0,0,0,.45);--shadow-soft: 0 4px 14px rgba(0,0,0,.45)}@media (prefers-color-scheme: light){:root:not([data-theme]){color-scheme:light;--bg: #f5f5f5;--panel: #ffffff;--panel-hi: #ececec;--panel-hover: #e0e0e0;--panel-press: #d6d6d6;--border: #d0d0d0;--text: #1a1a1a;--on-accent: #ffffff;--muted: #6b6b6b;--accent: #4f46e5;--danger: #b53636;--checker-1: #e0e0e0;--checker-2: #cfcfcf;--input-bg: #ffffff;--kbd-bg: #f5f5f5;--kbd-border: #c0c0c0;--tooltip-bg: #2a2a2a;--scrim: rgba(20, 20, 20, .35);--shadow-strong: 0 8px 32px rgba(0,0,0,.2);--shadow-medium: 0 6px 24px rgba(0,0,0,.18);--shadow-soft: 0 4px 14px rgba(0,0,0,.15)}}:root[data-theme=light]{color-scheme:light;--bg: #f5f5f5;--panel: #ffffff;--panel-hi: #ececec;--panel-hover: #e0e0e0;--panel-press: #d6d6d6;--border: #d0d0d0;--text: #1a1a1a;--on-accent: #ffffff;--muted: #6b6b6b;--accent: #4f46e5;--danger: #b53636;--checker-1: #e0e0e0;--checker-2: #cfcfcf;--input-bg: #ffffff;--kbd-bg: #f5f5f5;--kbd-border: #c0c0c0;--tooltip-bg: #2a2a2a;--scrim: rgba(20, 20, 20, .35);--shadow-strong: 0 8px 32px rgba(0,0,0,.2);--shadow-medium: 0 6px 24px rgba(0,0,0,.18);--shadow-soft: 0 4px 14px rgba(0,0,0,.15)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;width:100%;overflow:hidden;background:var(--bg);color:var(--text);font:13px -apple-system,BlinkMacSystemFont,Hiragino Sans,Helvetica Neue,sans-serif;user-select:none}#app{display:grid;grid-template-rows:auto 1fr auto;height:100vh}#toolbar{background:var(--panel);border-bottom:1px solid var(--border);padding:8px 12px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}.group{display:flex;align-items:center;gap:6px;padding:0 8px;border-right:1px solid var(--border)}.group:last-child{border-right:none}.row-break{flex-basis:100%;height:0}.group label{font-size:11px;color:var(--muted);margin-right:2px}button,select{background:var(--panel-hi);color:var(--text);border:1px solid var(--border);border-radius:5px;padding:5px 10px;cursor:pointer;font:inherit}button:hover,select:hover{background:var(--panel-hover)}button:active{background:var(--panel-press)}button.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent);font-weight:600}button:disabled{opacity:.3;cursor:not-allowed}input[type=range]{width:110px;accent-color:var(--accent)}input[type=number]{width:50px;background:var(--input-bg);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:3px 6px;font:inherit}.num-display{font-variant-numeric:tabular-nums;color:var(--muted);min-width:30px;text-align:right;font-size:11px}.icon-btn{width:30px;min-width:30px;height:28px;padding:0;display:inline-flex;align-items:center;justify-content:center}.icon-btn svg{width:16px;height:16px}.icon-btn-text{display:inline-flex;align-items:center;gap:5px}.icon-btn-text svg{width:14px;height:14px}.icon-btn svg,.icon-btn-text svg{stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;display:block}.lucide-inline{stroke:currentColor;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}label .lucide-inline{width:14px;height:14px;stroke-width:1.75;vertical-align:-2px;margin-right:2px;color:var(--muted)}#help-box dt .lucide-inline{width:12px;height:12px;stroke-width:1.75;margin-right:4px;color:var(--accent);vertical-align:-1px}#workspace{position:relative;overflow:hidden;background-image:linear-gradient(45deg,var(--checker-1) 25%,transparent 25%),linear-gradient(-45deg,var(--checker-1) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker-1) 75%),linear-gradient(-45deg,transparent 75%,var(--checker-1) 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,12px 0;background-color:var(--checker-2);cursor:none;touch-action:none;overscroll-behavior:contain}#workspace.pan-mode,#workspace.pan-mode *{cursor:grab}#workspace.panning,#workspace.panning *{cursor:grabbing}#canvas-wrap{position:absolute;transform-origin:0 0;will-change:transform}#canvas{display:block;image-rendering:pixelated;position:absolute;top:0;left:0}#cursor-overlay{position:absolute;pointer-events:none;border:1.5px solid #fff;border-radius:50%;box-shadow:0 0 0 1.5px #0009;transform:translate(-50%,-50%);display:none}#cursor-overlay.is-restore{border-style:dashed}#cursor-overlay.is-restore:before,#cursor-overlay.is-restore:after{content:"";position:absolute;top:50%;left:50%;background:#7cd17c;box-shadow:0 0 0 .5px #0009}#cursor-overlay.is-restore:before{width:9px;height:1.5px;transform:translate(-50%,-50%)}#cursor-overlay.is-restore:after{width:1.5px;height:9px;transform:translate(-50%,-50%)}#component-overlay{position:absolute;top:0;left:0;pointer-events:none;display:none;image-rendering:pixelated}#component-overlay.active{display:block}#orig-overlay{position:absolute;top:0;left:0;pointer-events:none;display:none;image-rendering:pixelated;opacity:.35}#orig-overlay.show{display:block}#orig-opacity{width:80px;accent-color:var(--accent)}#rect-overlay{position:absolute;top:0;left:0;pointer-events:none;display:none;image-rendering:pixelated}#rect-overlay.show{display:block}#workspace.separate-mode,#workspace.separate-mode *{cursor:pointer}#separate-bar,#cleanup-bar{position:absolute;left:50%;bottom:16px;transform:translate(-50%);background:var(--panel-hi);border:1px solid var(--border);border-radius:8px;padding:8px 12px;display:none;gap:10px;align-items:center;box-shadow:var(--shadow-medium);z-index:15;font-size:12px;flex-wrap:wrap;max-width:calc(100% - 40px)}#separate-bar.show,#cleanup-bar.show{display:flex}#separate-bar .info,#cleanup-bar .info{color:var(--muted);margin-right:4px}#separate-bar .info b,#cleanup-bar .info b{color:var(--text);font-weight:600}#cleanup-bar .threshold{display:flex;align-items:center;gap:6px;color:var(--muted)}#cleanup-bar .threshold input[type=range]{width:120px}#status{background:var(--panel);border-top:1px solid var(--border);padding:6px 12px;font-size:11px;color:var(--muted);display:flex;gap:18px;align-items:center}#status .filename{color:var(--text)}#drop-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:0;transition:opacity .15s;background:#6c7eff1f;border:3px dashed var(--accent);margin:12px;border-radius:8px;color:var(--accent);font-size:18px;font-weight:600}#drop-overlay.show{opacity:1}#progress-overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:var(--scrim);z-index:10}#progress-overlay.show{display:flex}#progress-box{background:var(--panel-hi);border:1px solid var(--border);border-radius:8px;padding:18px 24px;min-width:240px;text-align:center;box-shadow:var(--shadow-strong)}#progress-box .title{font-size:13px;margin-bottom:10px;color:var(--text)}#progress-bar{height:6px;background:var(--input-bg);border-radius:3px;overflow:hidden;margin:8px 0}#progress-fill{height:100%;background:var(--accent);width:0%;transition:width .1s linear}#progress-box .hint{font-size:11px;color:var(--muted);margin-top:6px}#help-overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:var(--scrim);z-index:200;padding:24px}#help-overlay.show{display:flex}#help-box{background:var(--panel-hi);border:1px solid var(--border);border-radius:10px;padding:20px 24px 22px;max-width:520px;width:100%;box-shadow:var(--shadow-strong);max-height:calc(100vh - 64px);overflow-y:auto}#help-box h2{margin:0 0 16px;font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:space-between}#help-box h2 button{background:transparent;border:0;color:var(--muted);font-size:18px;cursor:pointer;padding:0 4px}#help-box h2 button:hover{color:var(--text)}#help-box h3{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:14px 0 6px;font-weight:600}#help-box h3:first-of-type{margin-top:0}#help-tabs{display:flex;gap:2px;flex-wrap:wrap;border-bottom:1px solid var(--border);margin:0 0 14px;padding:0}#help-tabs button{background:transparent;border:0;border-bottom:2px solid transparent;border-radius:0;padding:6px 10px;color:var(--muted);font-size:12px;cursor:pointer;margin-bottom:-1px}#help-tabs button:hover{color:var(--text);background:transparent}#help-tabs button.active{color:var(--accent);border-bottom-color:var(--accent);background:transparent;font-weight:600}.help-section{display:none}#help-box[data-help-tab=file] .help-section[data-section=file],#help-box[data-help-tab=features] .help-section[data-section=features],#help-box[data-help-tab=tool] .help-section[data-section=tool],#help-box[data-help-tab=brush] .help-section[data-section=brush],#help-box[data-help-tab=history] .help-section[data-section=history],#help-box[data-help-tab=view] .help-section[data-section=view],#help-box[data-help-tab=credits] .help-section[data-section=credits]{display:block}#help-box dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;margin:0;font-size:12px}#help-box dt{display:flex;gap:4px;align-items:center}#help-box dd{margin:0;color:var(--text);align-self:center}kbd{background:var(--kbd-bg);border:1px solid var(--kbd-border);border-bottom-width:2px;border-radius:4px;padding:1px 6px;font:11px ui-monospace,SF Mono,Menlo,monospace;color:var(--text);white-space:nowrap}#empty-hint{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);text-align:center;pointer-events:none;line-height:1.8}#empty-hint h2{font-weight:400;color:var(--text);margin:0 0 8px;font-size:18px}#empty-hint code{background:var(--panel-hi);border:1px solid var(--border);padding:1px 6px;border-radius:3px;font-size:11px}.tool-btns{display:flex;gap:4px}.spacer{flex:1}.brand{display:flex;align-items:center;gap:7px;padding:0 10px 0 4px;font-weight:600;font-size:14px;letter-spacing:.01em;color:var(--text);border-right:1px solid var(--border);margin-right:2px;user-select:none}.brand svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}#rect-controls{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);opacity:0;pointer-events:none;transition:opacity .15s ease-out}#rect-controls.show{opacity:1;pointer-events:auto}#rect-controls label{display:flex;align-items:center;gap:3px;cursor:pointer}#workspace.rect-select-mode,#workspace.rect-select-mode *{cursor:crosshair}#toast{position:absolute;bottom:56px;left:50%;transform:translate(-50%,8px);background:var(--panel-hi);border:1px solid var(--border);border-radius:6px;padding:8px 14px;color:var(--text);font-size:12px;box-shadow:var(--shadow-medium);z-index:50;pointer-events:none;opacity:0;transition:opacity .18s ease-out,transform .18s ease-out;white-space:nowrap}#toast.show{opacity:1;transform:translate(-50%)}.app-modal-overlay{position:fixed;inset:0;background:var(--scrim);display:flex;align-items:center;justify-content:center;z-index:200;animation:app-modal-fade .15s ease-out}.app-modal-box{background:var(--panel-hi);border:1px solid var(--border);border-radius:10px;padding:22px 26px;min-width:320px;max-width:480px;width:calc(100% - 64px);box-shadow:var(--shadow-strong)}.app-modal-title{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--text)}.app-modal-message{font-size:12px;line-height:1.65;color:var(--text);white-space:pre-line}.app-modal-buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.app-modal-buttons button{padding:6px 16px;min-width:88px}.app-modal-buttons button.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);font-weight:600}.app-modal-buttons button.primary:hover{background:var(--accent);filter:brightness(1.08)}@keyframes app-modal-fade{0%{opacity:0}to{opacity:1}}#splash{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:1000;transition:opacity .25s ease-out,visibility .25s}#splash.hidden{opacity:0;visibility:hidden;pointer-events:none}#splash-mark{display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--text)}#splash-mark svg{width:56px;height:56px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;animation:splash-pulse 1.4s ease-in-out infinite}#splash-mark .splash-name{font-size:18px;font-weight:600;letter-spacing:.04em}@keyframes splash-pulse{0%,to{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}[data-tip]{position:relative}[data-tip]:hover:after{content:attr(data-tip);position:absolute;left:50%;top:calc(100% + 6px);transform:translate(-50%);background:var(--tooltip-bg);color:#f0f0f0;border:1px solid var(--border);border-radius:5px;padding:5px 8px;font-size:11px;line-height:1.4;white-space:pre-line;max-width:260px;width:max-content;z-index:100;pointer-events:none;box-shadow:var(--shadow-soft);animation:tip-fade .12s ease-out .15s both}#separate-bar [data-tip]:hover:after,#cleanup-bar [data-tip]:hover:after{top:auto;bottom:calc(100% + 6px)}@keyframes tip-fade{0%{opacity:0;transform:translate(-50%) translateY(-2px)}to{opacity:1;transform:translate(-50%) translateY(0)}}