:root{color-scheme:light;--paper:#fff;--ground:#f6f6f3;--desk:#e8eae5;--ink:#262d29;--muted:#606760;--line:#d8dcd5;--accent:#246244;--active:#dde9df;--focus:#276d4b;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--ground);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100dvh}button,input{font:inherit}button{color:inherit;cursor:pointer;border:0;background:transparent;border-radius:5px;min-height:40px;padding:8px 12px;font-size:13px;font-weight:500;touch-action:manipulation;user-select:none;-webkit-tap-highlight-color:transparent}button:active{background:var(--active)}button:disabled{opacity:.38;cursor:default}button:focus-visible,input:focus-visible{outline:2px solid var(--focus);outline-offset:3px}::selection{background:var(--active);color:var(--ink)}input{accent-color:var(--accent);caret-color:var(--accent)}[hidden]{display:none!important}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:40px;padding:8px}
.topbar{display:flex;align-items:center;gap:28px;padding:18px max(24px,env(safe-area-inset-left));border-bottom:1px solid var(--line);background:var(--paper)}.brand{font-size:24px;font-weight:750;letter-spacing:-.035em}.brand-dot{color:var(--accent)}.document-title{border-left:1px solid var(--line);padding-left:28px;display:flex;align-items:baseline;gap:16px}h1{font-size:15px;line-height:1.4;margin:0;font-weight:650}.document-title>span{color:var(--muted);font-size:13px}.expiry{margin-left:auto;color:var(--muted);font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}#status{max-width:1440px;padding:14px 28px;margin:auto;font-size:13px;line-height:1.6;color:var(--muted)}#status.error{color:#a22d25;background:#fff0ed}#status.success{color:var(--accent);background:#e7f2e9}
main{display:grid;grid-template-columns:minmax(0,1fr) 286px;max-width:1440px;margin:0 auto 24px;padding:0 28px;gap:0;align-items:stretch}.workspace{min-width:0;border:1px solid var(--line);background:var(--paper);display:flex;flex-direction:column}.workspace-menu{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 14px;border-bottom:1px solid var(--line);min-height:57px}.history-actions,.file-actions{display:flex;align-items:center;gap:4px}.canvas-info{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.menu-divider{height:20px;border-left:1px solid var(--line);margin:0 8px}.file-actions button{font-size:12px}.drawing-area{display:grid;grid-template-columns:64px minmax(0,1fr);flex:1;min-height:0}.tools{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;border-right:1px solid var(--line)}.tools button{width:44px;height:44px;display:flex;align-items:center;justify-content:center;padding:10px}.tools button span{display:none}.tools button[aria-pressed=true]{background:var(--ink);color:#fff}.tool-divider{width:28px;height:1px;background:var(--line);margin:6px 0}.canvas-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--desk);padding:26px 32px 12px;min-width:0}.canvas-wrap{width:min(100%,660px,calc(100dvh - 270px));min-width:180px;aspect-ratio:1;box-shadow:0 5px 20px #25302614;background:white}canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}.hint{font-size:12px;color:var(--muted);margin:16px 0 4px;text-align:center}.brush-settings{display:grid;grid-template-columns:90px 1fr 1fr;gap:26px;padding:14px 22px;border-top:1px solid var(--line);align-items:center}.brush-settings label,.layer-opacity{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;font-size:12px}.brush-settings output,.layer-opacity output{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}input[type=range]{width:100%;height:24px;margin:0;grid-column:1/-1;cursor:pointer}.color-control{display:flex!important;flex-direction:column;align-items:flex-start!important;gap:6px!important}input[type=color]{width:44px;height:27px;padding:0;border:1px solid var(--line);background:none;cursor:pointer}input[type=color]::-webkit-color-swatch-wrapper{padding:3px}input[type=color]::-webkit-color-swatch{border:0;border-radius:2px}
.inspector{border:1px solid var(--line);border-left:0;background:var(--paper);display:flex;flex-direction:column;min-width:0}.inspector section{padding:20px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:-4px 0 2px}h2{font-size:14px;font-weight:650;line-height:1.4;margin:0}.section-note{font-size:12px;color:var(--muted);line-height:1.6;margin:4px 0 16px}.layers{min-height:100px;max-height:284px;overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.layer{display:flex;align-items:center;gap:4px;padding:3px;border-radius:4px;margin:4px 0}.layer.selected{background:var(--active)}.layer button:first-child{width:36px;padding:8px;display:flex;align-items:center;justify-content:center}.layer button:last-child{text-align:left;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layer-actions{display:flex;align-items:center;gap:2px;padding:8px 0;border-bottom:1px solid var(--line);margin-bottom:18px}.layer-actions #rename-layer{font-size:12px;flex:1;padding:8px 3px}.clear-button{font-size:12px;color:var(--muted);padding:8px 0;margin-top:6px}.send-section{border-top:1px solid var(--line);margin-top:auto}.send-section>label{display:flex;justify-content:space-between;font-size:12px;font-weight:600;margin:24px 0 8px}.optional{color:var(--muted);font-weight:400;font-size:12px}#signature{width:100%;padding:11px 10px;font-size:16px;border:1px solid #aab4a9;border-radius:4px;background:#fff;color:var(--ink)}#signature::placeholder{color:var(--muted);font-size:13px}.privacy-note,.delivery-note{color:var(--muted);font-size:12px;line-height:1.6;margin:10px 0 20px}.primary{width:100%;background:var(--accent);color:white;min-height:44px;font-size:14px}.primary:active{background:#194c33}.delivery-note{text-align:center;font-size:12px;margin:10px 0 0}footer{max-width:1440px;margin:auto;padding:0 28px max(20px,env(safe-area-inset-bottom));display:flex;justify-content:space-between;gap:16px;font-size:12px;line-height:1.6;color:var(--muted)}
@media(hover:hover) and (pointer:fine){button:not(:disabled):hover{background:var(--active)}.tools button[aria-pressed=true]:hover{background:var(--ink)}.primary:not(:disabled):hover{background:#194c33}}
@media(min-width:1500px){.canvas-wrap{width:min(100%,768px,calc(100dvh - 270px))}}
@media(max-width:900px){.document-title>span{display:none}main{grid-template-columns:minmax(0,1fr) 252px;padding:0 16px}.inspector section{padding:16px}.canvas-stage{padding:22px 18px 12px}.workspace-menu{padding:8px}.canvas-info{display:none}.menu-divider{display:none}.brush-settings{gap:14px;padding:12px;grid-template-columns:58px 1fr 1fr}}
@media(max-width:680px){.topbar{gap:14px;padding:14px max(16px,env(safe-area-inset-left))}.brand{font-size:22px}.document-title{padding-left:14px}h1{font-size:13px;max-width:130px}.expiry{font-size:12px}#status{padding:12px 16px}main{display:flex;flex-direction:column;padding:0 12px;margin-bottom:18px}.workspace-menu{gap:0;flex-wrap:wrap}.file-actions button{padding:8px;font-size:12px}.drawing-area{display:flex;flex-direction:column}.tools{flex-direction:row;justify-content:space-between;gap:0;padding:6px;border-right:0;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;background:white}.tools button{width:40px;height:42px;padding:9px}.tool-divider{height:24px;width:1px;margin:0 3px}.canvas-stage{padding:18px 16px 8px}.canvas-wrap{width:min(100%,540px);min-width:0}.hint{font-size:12px;margin:12px 0 4px}.brush-settings{grid-template-columns:48px 1fr 1fr;gap:16px;padding:12px 16px}.brush-settings label{font-size:12px}.inspector{border-left:1px solid var(--line);border-top:0;display:grid;grid-template-columns:1fr 1fr;align-items:start}.inspector section{padding:18px 14px}.send-section{margin:0;border-top:0;border-left:1px solid var(--line)}.layers{min-height:50px;max-height:228px}.layer-actions{flex-wrap:wrap}.layer-actions #rename-layer{order:3;flex-basis:100%}.privacy-note{font-size:12px}.send-section>label{margin-top:16px}.primary{font-size:13px}footer{padding:0 16px max(20px,env(safe-area-inset-bottom));flex-direction:column;gap:4px}}
@media(max-width:400px){.inspector{display:flex}.inspector section{width:100%;padding:18px}.send-section{border-left:0;border-top:1px solid var(--line)}.layer-actions{flex-wrap:nowrap}.layer-actions #rename-layer{order:0;flex-basis:auto}.layers{max-height:180px}.brand{font-size:20px}.document-title{padding-left:10px}.topbar{gap:10px}.tools{padding:5px 2px}.tools button{width:38px}.brush-settings{gap:10px;padding:12px}.workspace-menu{padding:6px}.file-actions button{padding:6px}}

@media(max-width:680px){.expiry{white-space:normal;text-align:right;max-width:82px}.tools button{min-width:38px}}