:root{font-synthesis:none;--bg:#19232f;--surface:#222e3ddd;--solid:#243141;--raised:#344255;--text:#e2e7ed;--muted:#a8b7c8;--accent:#bac9ad;--accent-ink:#24332b;--line:#8198b32e;--shadow:0 18px 50px #07101c20;--glass:blur(22px);--radius:20px;--space:24px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--font-ui:Inter, "Segoe UI", Arial, sans-serif;--font-small:11px;--font-title:28px;--motion:.16s;color:var(--text);background:var(--bg);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,Segoe UI,Arial,sans-serif}:root[data-theme=day]{--bg:#f0f2ef;--surface:#ffffffb8;--solid:#f9faf7;--raised:#e2e8e1;--text:#293a3c;--muted:#677;--accent:#536c54;--accent-ink:#fff;--line:#52675830;--shadow:0 18px 50px #3c574910;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@scope(.drawing-app){:root{color:#203b30;font-synthesis:none;background:#e9edea;font-family:Inter,Arial,sans-serif}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;color:#294a3b;background:#fff;border:1px solid #d5ddd7;border-radius:6px;padding:10px 16px}button:hover{background:#edf3ee}button.primary{color:#fff;background:#25583e;border-color:#25583e}.primary:hover{background:#183e2b}main{flex-direction:column;height:100dvh;display:flex}header{background:#fcfdfb;border-bottom:1px solid #d4ddd5;justify-content:space-between;align-items:center;gap:20px;height:76px;padding:0 30px;display:flex}.brand{align-items:center;gap:22px;font-size:16px;display:flex}.brand b{letter-spacing:1.5px;font-size:18px}.brand b span{font-weight:400}.brand i,nav i{border-left:1px solid #cbd6cd;height:23px}.brand 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span{color:#366047;margin-left:15px;font-family:Georgia;font-size:17px}.performance{pointer-events:none;background:#fcfdfbf2;border:1px solid #d4ded5;border-radius:8px;padding:15px 18px;font-size:10px;position:absolute;bottom:24px;left:24px;box-shadow:0 3px 14px #21382a08}.performance b{color:#244d37;margin-left:12px;font:15px monospace}.performance b:first-child{margin-left:0}.performance>div:nth-child(2){margin:10px 0}.performance small{color:#849188;font-size:9px}nav{background:#fcfdfb;border:1px solid #d4ded5;border-radius:8px;align-items:center;gap:4px;padding:5px;display:flex;position:absolute;bottom:24px;right:24px}nav button{background:0 0;border:none;padding:8px 12px}nav span{text-align:center;min-width:45px;font-size:11px}footer{color:#829087;background:#fcfdfb;border-top:1px solid #d4ddd5;justify-content:space-between;align-items:center;height:36px;padding:0 25px;font-size:10px;display:flex}footer i{color:#5c8769;margin:0 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span:last-child{display:none}.brand{gap:12px}.performance{bottom:80px}aside{width:190px}.welcome h1{font-size:48px}}}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:1px solid var(--line);transition:background var(--motion), border-color var(--motion);background:0 0;border-radius:10px;padding:10px 14px}button:hover{background:var(--raised)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button.primary{background:var(--accent);color:var(--accent-ink);border-color:#0000;font-weight:600}button.primary:hover{filter:brightness(1.07)}input{min-width:0;color:inherit;border:1px solid var(--line);background:0 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fadeInDown{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dropdown-menu button{width:100%;color:var(--text);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:7px;justify-content:space-between;align-items:center;padding:8px 10px;font-family:inherit;font-size:12px;transition:background .12s;display:flex}.dropdown-menu button:hover{background:var(--raised)}.dropdown-menu small{color:var(--muted);background:var(--line);border-radius:4px;padding:2px 6px;font-size:10px}.dropdown-divider{background:var(--line);height:1px;margin:4px 0}.review-backdrop{z-index:35;background:#00000026;position:fixed;inset:0}.drawing-app .review-drawer,aside.review-drawer{z-index:40;background:var(--solid);-webkit-backdrop-filter:blur(24px);border-left:1px solid var(--line);flex-direction:column;width:360px;max-width:calc(100vw - 40px);height:100%;padding:0;animation:.18s cubic-bezier(.16,1,.3,1) slideInRight;display:flex;position:absolute;top:0;bottom:0;right:0;box-shadow:-8px 0 32px #0003;left:auto!important}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:56px;padding:0 16px;display:flex}.drawer-title{align-items:center;gap:8px;display:flex}.drawer-title h3{color:var(--text);margin:0;font-size:14px;font-weight:600}.drawer-tabs{border-bottom:1px solid var(--line);gap:16px;padding:0 16px;display:flex}.drawer-tabs .tab{color:var(--muted);cursor:pointer;border-bottom:2px solid #0000;padding:10px 0;font-size:12px}.drawer-tabs .tab.active{color:var(--text);border-bottom-color:var(--accent);font-weight:500}.drawer-body{flex:1;padding:24px 16px;overflow-y:auto}.empty-drawer{text-align:center;color:var(--muted);padding:40px 12px}.empty-drawer-icon{color:var(--accent);opacity:.7;margin-bottom:12px;font-size:32px}.empty-drawer h4{color:var(--text);margin:0 0 8px;font-size:15px;font-weight:500}.empty-drawer p{margin:0 0 20px;font-size:12px;line-height:1.6}.drawer-hint{background:var(--surface);border:1px solid var(--line);text-align:left;border-radius:8px;padding:12px;line-height:1.6}.floating-library-backdrop{z-index:50;-webkit-backdrop-filter:blur(6px);background:#00000073;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.floating-library-modal{background:var(--solid);border:1px solid var(--line);border-radius:16px;width:min(860px,94vw);max-height:85vh;padding:24px;overflow-y:auto;box-shadow:0 16px 48px #00000052}.diagnostics-hud{z-index:30;background:var(--surface);-webkit-backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:10px;width:290px;padding:14px;display:flex;position:absolute;bottom:74px;left:16px;box-shadow:0 8px 32px #0003}.hud-header{justify-content:space-between;align-items:center;display:flex}.hud-header .eyebrow{letter-spacing:1.5px;color:var(--accent);font-size:9px;font-weight:700}.hud-row{justify-content:space-between;align-items:center;gap:8px;font-size:11px;display:flex}.hud-row select{border:1px solid var(--line);background:var(--solid);color:var(--text);border-radius:6px;padding:4px 8px;font-size:11px}.hud-row button{border:1px solid var(--line);background:var(--raised);color:var(--text);border-radius:6px;padding:4px 10px;font-size:11px}.hud-metrics{text-align:center;background:var(--raised);border-radius:8px;grid-template-columns:repeat(4,1fr);gap:6px;padding:8px 4px;display:grid}.hud-metrics div{font-size:12px}.hud-metrics small{color:var(--muted);font-size:9px;display:block}.hud-footer small{color:var(--muted);font-size:10px}.toast-notice{z-index:28;background:var(--surface);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:20px;align-items:center;gap:12px;max-width:90vw;padding:8px 16px;font-size:12px;animation:.15s fadeIn;display:flex;position:absolute;top:72px;left:50%;transform:translate(-50%);box-shadow:0 4px 20px #00000026}.toast-notice.error{color:#d58e82;border-color:#d58e8266}.toast-notice button{background:var(--line);color:var(--text);cursor:pointer;border:0;border-radius:4px;padding:2px 8px;font-size:11px}.immersive-drawing-app .welcome{text-align:center;background:var(--surface);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid var(--line);z-index:20;border-radius:24px;width:min(580px,90vw);padding:40px;position:absolute;top:48%;left:50%;transform:translate(-50%,-50%);box-shadow:0 16px 48px #0003}.immersive-drawing-app .welcome h1{letter-spacing:-1.8px;color:var(--text);margin:16px 0 12px;font-family:Inter,Georgia,serif;font-size:48px;font-weight:500}.immersive-drawing-app .welcome p{color:var(--muted);margin-bottom:24px;font-size:14px;line-height:1.7}.welcome-btn{border-radius:10px;padding:12px 24px;font-size:14px}.immersive-drawing-app .welcome>small{color:var(--muted);margin-top:14px;font-size:11px;display:block}.drop-zone{border:2px dashed var(--accent);color:var(--accent);z-index:45;pointer-events:none;background:#536c5414;border-radius:16px;place-items:center;font-size:16px;font-weight:500;display:grid;position:absolute;inset:16px}.jump-modal{z-index:45;background:var(--solid);border:1px solid var(--line);border-radius:10px;width:200px;padding:12px;position:absolute;top:64px;right:16px;box-shadow:0 8px 24px #0003}.jump-header{color:var(--muted);justify-content:space-between;margin-bottom:8px;font-size:11px;display:flex}.jump-header button{color:var(--muted);cursor:pointer;background:0 0;border:0}.jump-modal input{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--text);border-radius:6px;padding:6px;font-size:13px}@media (width<=768px){.floating-group.top-left{gap:6px;top:10px;left:10px}.floating-project-name{max-width:110px;font-size:12px}.floating-group.top-right{gap:4px;top:10px;right:10px}.floating-group.bottom-center{bottom:12px}.floating-group.bottom-right{bottom:12px;right:10px}}@media (width<=520px){.share-btn,.floating-group.bottom-right .fit-btn{display:none}.floating-group.bottom-center{left:10px;transform:none}}