:root{color:#17201f;background:#e8edf0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #17201f;--muted: #687576;--panel: #f8faf8;--panel-strong: #eef3ef;--line: #cbd7d3;--accent: #1f7a5b;--accent-strong: #145c44;--warn: #e85d3f;--gold: #f3c64e;--shadow: 0 18px 46px rgba(23, 32, 31, .15);--topbar-height: 78px;--statusbar-height: 38px}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{cursor:pointer}#root{min-height:100vh}.app-shell{display:grid;min-height:100vh;grid-template-rows:var(--topbar-height) minmax(0,1fr) var(--statusbar-height);background:linear-gradient(90deg,rgba(23,32,31,.04) 1px,transparent 1px),linear-gradient(180deg,rgba(23,32,31,.04) 1px,transparent 1px),#e8edf0;background-size:32px 32px;color:var(--ink)}.top-menu,.status-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;border-color:var(--line);background:#f8faf8f0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.top-menu{min-height:var(--topbar-height);padding:14px 22px;border-bottom:1px solid var(--line)}.eyebrow,.top-menu h1,.panel-block h2{margin:0;letter-spacing:0}.eyebrow{color:var(--accent-strong);font-size:12px;font-weight:800;text-transform:uppercase}.top-menu h1{margin-top:2px;font-size:22px;line-height:1.2}.top-menu-controls,.menu-actions,.zoom-control{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.top-menu-controls{justify-content:flex-end}.icon-button,.tool-button{display:inline-grid;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);transition:border-color .15s ease,background .15s ease,transform .15s ease}.icon-button.compact{width:34px;height:34px}.zoom-control{min-height:42px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#fff}.zoom-control output{min-width:54px;color:var(--muted);font-size:13px;font-weight:800;text-align:center}.icon-button:hover,.icon-button:focus-visible,.tool-button:hover,.tool-button:focus-visible{border-color:var(--accent);outline:none;transform:translateY(-1px)}.icon-button:disabled{cursor:not-allowed;opacity:.42;transform:none}.workspace{display:grid;min-height:0;grid-template-columns:68px minmax(420px,1fr) 334px;overflow:hidden}.tool-bar{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 12px;border-right:1px solid var(--line);background:#eef3efeb;overflow-y:auto}.tool-button.active{border-color:var(--accent);background:var(--accent);color:#fff}.canvas-workspace{display:flex;min-width:0;min-height:0;align-items:center;justify-content:center;padding:28px;overflow:auto}.canvas-stage{display:grid;width:max-content;min-width:min(100%,780px);grid-template-rows:24px minmax(0,1fr);gap:8px;padding:14px;border:1px solid rgba(23,32,31,.16);border-radius:8px;background:#d7dedc;box-shadow:var(--shadow)}.canvas-rulers{display:grid;grid-template-columns:repeat(4,1fr);width:min(72vw,980px);min-width:680px;padding-left:8px;color:#60706a;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;font-weight:700}.canvas-scroll-plane{display:grid;min-width:680px;min-height:453px;place-items:center;overflow:auto}.canvas-frame{position:relative;width:min(72vw,980px);min-width:680px;aspect-ratio:3 / 2;overflow:hidden;border:1px solid #b7c5bf;border-radius:6px;background:#fff}.drawing-canvas{display:block;width:100%;height:100%;touch-action:none}.drawing-canvas.drawable{cursor:crosshair}.drawing-canvas.not-drawable{cursor:default}.drawing-canvas.eraser-cursor{cursor:cell}.canvas-frame.drawing{border-color:var(--accent)}.canvas-overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(31,122,91,.08) 1px,transparent 1px),linear-gradient(180deg,rgba(31,122,91,.08) 1px,transparent 1px);background-size:40px 40px;opacity:.62}.canvas-mark{position:absolute;background:#e85d3fb8}.canvas-mark.horizontal{top:50%;left:12%;width:76%;height:2px}.canvas-mark.vertical{top:12%;left:50%;width:2px;height:76%}.canvas-live-status{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.side-panel{display:grid;align-content:start;grid-template-rows:auto minmax(0,1fr);gap:16px;padding:16px;border-left:1px solid var(--line);background:#f8faf8f2;overflow:auto}.panel-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--panel-strong)}.panel-tab{min-height:34px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--muted);font-size:13px;font-weight:800}.panel-tab.active{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:0 5px 16px #17201f14}.panel-content{min-height:0}.panel-block{display:grid;gap:12px}.panel-block h2{font-size:16px}.panel-block label{display:grid;gap:7px;color:var(--muted);font-size:13px;font-weight:800}.panel-block label span{display:flex;justify-content:space-between;gap:10px}.panel-block input[type=range]{accent-color:var(--accent)}.panel-block input:disabled{cursor:not-allowed;opacity:.46}.panel-block input[type=color]{width:100%;height:38px;padding:3px;border:1px solid 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ease}.upload-drop-zone.dragging,.upload-drop-zone:hover,.upload-drop-zone:focus-within{border-color:var(--warn);background:#fff6f1;transform:translateY(-1px)}.upload-drop-zone span{color:var(--ink);font-weight:900}.upload-drop-zone small,.upload-preview figcaption span,.upload-select small{color:var(--muted);font-size:12px;font-weight:700}.upload-error{display:grid;gap:8px;padding:10px;border:1px solid rgba(232,93,63,.35);border-radius:8px;background:#fff3ef;color:#963b28;font-size:13px;font-weight:700}.upload-error button{justify-self:start;min-height:30px;padding:0 10px;border:1px solid rgba(232,93,63,.45);border-radius:8px;background:#fff;color:#963b28;font-size:12px;font-weight:800}.upload-preview{display:grid;gap:9px;margin:0;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff}.upload-preview .panel-action{width:100%}.upload-preview img{width:100%;aspect-ratio:4 / 3;object-fit:contain;border-radius:6px;background:linear-gradient(45deg,#edf2ef 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img{width:54px;height:42px;border-radius:6px;object-fit:cover;background:var(--panel-strong)}.upload-delete{display:inline-grid;width:32px;height:32px;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--warn)}.storage-panel{min-width:0}.storage-actions{display:grid;gap:8px}.storage-note{margin:0;padding:9px 10px;border:1px solid #b9ddcd;border-radius:8px;background:#eff8f3;color:var(--accent-strong);font-size:13px;font-weight:800}.saved-work-list{display:grid;gap:9px}.saved-work{display:grid;grid-template-columns:72px minmax(0,1fr) 34px;gap:9px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff}.saved-work.active{border-color:var(--accent);background:#f2fbf6;box-shadow:0 0 0 1px #1f7a5b2e}.saved-work img{width:72px;height:50px;border-radius:6px;object-fit:cover;background:var(--panel-strong)}.saved-work-body{display:grid;min-width:0;gap:3px}.saved-work-body strong,.saved-work-body span,.saved-work-body 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var(--line);border-left:0}.canvas-frame,.canvas-rulers{width:min(86vw,900px)}}@media(max-width:640px){:root{--topbar-height: auto;--statusbar-height: auto}.top-menu,.status-bar{align-items:flex-start;flex-direction:column}.top-menu{padding:12px}.workspace{grid-template-columns:1fr;overflow:auto}.tool-bar{flex-direction:row;justify-content:center;border-right:0;border-bottom:1px solid var(--line)}.canvas-workspace{padding:14px;justify-content:flex-start}.side-panel{position:sticky;bottom:0;z-index:2}.canvas-stage,.canvas-rulers,.canvas-scroll-plane,.canvas-frame{min-width:560px}.menu-actions{max-width:100%}.status-bar{gap:4px}}