:root{color-scheme:light;--bg: #FBF6EE;--bg-soft: #F5ECDD;--panel: #FFFCF6;--panel-2: #FFFFFF;--text: #1A130C;--muted: #6F5743;--line: rgba(46, 34, 25, .14);--line-strong: rgba(46, 34, 25, .26);--accent: #F7931E;--accent-hover: #E27C0B;--accent-press: #BB6406;--accent-soft: #FDE3C2;--accent-dim: rgba(247, 147, 30, .14);--danger: #C0492F;--ok: #4B8F6E;--warn: #D08A1E;--shadow-sm: 0 2px 6px rgba(46, 34, 25, .07);--shadow-md: 0 8px 22px rgba(46, 34, 25, .11), 0 2px 6px rgba(46, 34, 25, .05);--shadow-lg: 0 22px 60px rgba(46, 34, 25, .2), 0 6px 16px rgba(46, 34, 25, .09);--font-display: "Fraunces", "Iowan Old Style", "Songti TC", "Noto Serif TC", serif;--font-body: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--ease: cubic-bezier(.25, .46, .45, .94);--z-canvas: 1;--z-chrome: 20;--z-float: 40;--z-menu: 60;--z-modal: 80;--z-toast: 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var(--accent);background:var(--accent-dim);pointer-events:none}.outpaint{position:absolute;pointer-events:none}.outpaint__fill{position:absolute;top:0;right:0;bottom:0;left:0;background:#f7931e29}.outpaint__border{position:absolute;top:0;right:0;bottom:0;left:0;border:2px dashed var(--accent)}.handle--outpaint{pointer-events:auto;background:var(--accent);border-color:var(--panel-2)}.toolbar{position:absolute;top:16px;left:16px;z-index:var(--z-chrome);width:268px;max-height:calc(100dvh - 200px);overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:20px;background:color-mix(in srgb,var(--panel) 88%,transparent);-webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transition:transform .28s var(--ease),opacity .22s var(--ease)}.toolbar.is-collapsed{transform:translate(calc(-100% - 24px));opacity:0;pointer-events:none}.toolbar__brand 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var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--muted);font-size:17px;cursor:pointer;box-shadow:var(--shadow-sm);transition:left .28s var(--ease),background .18s var(--ease),color .18s var(--ease)}.toolbar__toggle:hover{background:var(--accent-soft);color:var(--text)}.btn{padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel-2);color:var(--text);font-size:13px;font-weight:500;cursor:pointer;transition:background .18s var(--ease),border-color .18s var(--ease),transform .12s var(--ease),color .18s var(--ease)}.btn:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.42;cursor:not-allowed}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn--primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn--primary:active:not(:disabled){background:var(--accent-press)}.btn--ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn--ghost:hover:not(:disabled){background:var(--accent-dim);border-color:transparent;color:var(--text)}.btn--ghost.is-active{background:var(--accent-soft);color:var(--text)}.btn--danger{color:var(--danger)}.btn--danger:hover:not(:disabled){background:#c0492f1a;border-color:#c0492f66}.btn--wide{grid-column:1 / -1}.swatch-row,.size-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.swatch{width:22px;height:22px;border:1px solid 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canvas{max-width:100%;max-height:58dvh;background:linear-gradient(45deg,rgba(46,34,25,.05) 25%,transparent 25%,transparent 75%,rgba(46,34,25,.05) 75%),linear-gradient(45deg,rgba(46,34,25,.05) 25%,transparent 25%,transparent 75%,rgba(46,34,25,.05) 75%),var(--panel-2);background-size:18px 18px;background-position:0 0,9px 9px;border-radius:var(--radius-sm);box-shadow:var(--shadow-md);cursor:crosshair;touch-action:none}.studio{display:grid;grid-template-columns:minmax(0,1fr) 300px;min-height:0;flex:1}.studio__stage{display:grid;place-items:center;padding:22px;background:var(--bg-soft);min-height:0}.studio__frame{position:relative;max-width:100%;max-height:62dvh;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-md)}.studio__frame img{display:block;max-width:100%;max-height:62dvh;width:auto;height:auto}.studio__mask{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:crosshair;touch-action:none}.studio__panel{display:flex;flex-direction:column;gap:14px;padding:20px;border-left:1px solid var(--line);overflow-y:auto}.studio__actions{display:flex;gap:8px;margin-top:auto;padding-top:8px}.studio__actions .btn{flex:1}.slider{display:flex;flex-direction:column;gap:5px;font-size:12px}.slider span{display:flex;justify-content:space-between;color:var(--muted)}.slider em{font-style:normal;color:var(--text);font-variant-numeric:tabular-nums}.slider input[type=range]{width:100%;accent-color:var(--accent)}.field{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted)}.field textarea{padding:10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel-2);color:var(--text);resize:vertical}.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.hint{font-size:12px;color:var(--muted);line-height:1.6;text-wrap:pretty}.error{font-size:12px;color:var(--danger);line-height:1.6;text-wrap:pretty}.toast{position:fixed;bottom:22px;right:22px;z-index:var(--z-toast);max-width:340px;padding:12px 16px;background:var(--text);color:var(--bg);border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:13px;line-height:1.55;text-wrap:pretty;animation:rise .22s var(--ease)}.drop-overlay{position:fixed;top:24px;right:24px;bottom:24px;left:24px;z-index:var(--z-toast);display:grid;place-items:center;border:3px dashed var(--accent);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--accent-soft) 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var(--line);border-radius:var(--radius-sm);background:var(--panel-2);color:var(--text);font-family:var(--font-mono, monospace)}.settings .field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.meter{height:6px;border-radius:999px;background:var(--accent-dim);overflow:hidden}.meter span{display:block;height:100%;border-radius:999px;background:var(--accent);transition:width .3s var(--ease)}.toolbar__section--ai{gap:8px}.toolbar__quota{font-size:12px;color:var(--muted);line-height:1.6;text-wrap:pretty}.toolbar__quota strong{color:var(--text);font-variant-numeric:tabular-nums}.toolbar__section--ai .meter{margin-bottom:2px}.modal--help{width:min(680px,100%)}.help{display:flex;flex-direction:column;gap:24px;padding:24px;min-height:0;overflow-y:auto}.help__block{display:flex;flex-direction:column;gap:10px}.help__block h3{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;letter-spacing:-.01em}.help__block .btn{align-self:flex-start;margin-top:4px}.help__block a{color:var(--accent-press)}.help__block strong{color:var(--text);font-weight:600}.help__badge{padding:2px 9px;border-radius:999px;background:var(--accent);color:#fff;font-size:11px;font-weight:600}.help__block--mode h3{font-size:13px;font-weight:500;color:var(--muted)}.help__steps{display:flex;flex-direction:column;gap:12px;padding-left:0;list-style:none;counter-reset:help-step}.help__steps li{display:grid;grid-template-columns:26px 1fr;gap:4px 12px;align-items:baseline;counter-increment:help-step}.help__steps li:before{content:counter(help-step);grid-row:1 / 3;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft);color:var(--accent-press);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}.help__steps strong{font-size:13px;font-weight:600}.help__steps span{grid-column:2;font-size:12px;color:var(--muted);line-height:1.65;text-wrap:pretty}.help__keys{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}.help__keys>div{display:grid;grid-template-columns:minmax(120px,34%) 1fr;gap:12px;padding:8px 12px;background:var(--panel)}.help__keys dt{font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}.help__keys dd{font-size:12px;color:var(--muted);line-height:1.5}@media(max-width:640px){.help__keys>div{grid-template-columns:1fr;gap:2px}}.settings__help{align-self:center}