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var(--line);z-index:31;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);justify-content:center;gap:10px;padding:12px;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-nav button{flex:1;max-width:200px;padding:12px}.board{height:calc(100vh - 290px);min-height:460px}.scene-controls button{padding:8px 12px}.topbar{height:80px}.brand small{display:none}.project-name{max-width:210px}.top-actions{gap:3px}.top-actions>button{padding:8px}.brand-mark{width:34px;height:34px}.brand-mark i{width:10px;height:10px}.brand-mark i:first-child{left:10px}.brand-mark i:nth-child(2){left:5px}.brand-mark i:nth-child(3){right:5px}}@media (width<=650px){.side-board{height:clamp(180px,100dvh - 560px,660px)}.topbar{flex-wrap:wrap;gap:10px;height:auto;min-height:114px;padding:16px 16px 12px}.brand{gap:9px;font-size:11px}.project-name{flex:none;width:47%;max-width:220px;margin-left:auto}.project-name input{font-size:12px}.save-status{margin-top:4px;font-size:8px}.top-actions{justify-content:flex-end;width:100%}.top-actions>button{padding:5px 9px;font-size:11px}.export-button{padding:6px 10px;font-size:10px}.workspace{padding:13px 10px 85px}.scene-header{flex-direction:column;justify-content:center;align-items:flex-start;gap:10px;height:91px;padding:12px 15px}.scene-header h2{margin-top:4px;font-size:14px}.scene-header .eyebrow{font-size:8px}.scene-controls{width:100%}.scene-controls button{padding:6px 10px}.scene-controls button:last-child{margin-left:auto}.board{height:calc(100dvh - 348px);min-height:370px}.scene-footer{flex-wrap:wrap;padding:10px 13px;font-size:8px}.component-total,.validity{font-size:9px}.staging{width:115px;padding:9px;top:9px;right:9px}.staging-piece{width:47px;height:47px}.staging strong{font-size:9px}.staging small{font-size:8px}.left-panel,.right-panel{height:calc(100dvh - 196px);top:126px;bottom:70px}.left-panel{left:10px}.right-panel{right:10px}.placement-bar{padding:12px}.placement-actions button{padding:9px 8px;font-size:9px}.storage-warning{flex-direction:column;align-items:flex-start;padding:12px 16px}.modal{padding:22px}.modal h2{font-size:19px}.empty-hint small{font-size:9px}.board-label{right:15px}.scale-bar{left:16px}.mobile-nav{gap:5px;padding:10px}.mobile-nav button{font-size:11px}}@media (prefers-color-scheme:dark){:root{--page:#141c20;--panel:#1c272b;--field:#172125;--ink:#e0eae6;--muted:#a4b9b3;--line:#34474a;--line-strong:#5e8581;--accent:#7bc9bf;--danger:#f29a88;--surface-soft:#243338;--hover:#304448;--selected:#29433f;--good-bg:#233d32;--good-ink:#b2d8bf;--warning-bg:#49332b;--warning-ink:#f0b59b;--board-bg:#172125;--grid-dot:#77948b40;--measurement:#b7d8d3}}.demo{background:var(--page);flex-direction:column;min-height:100dvh;display:flex}.demo-main{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:16px}.demo-variants{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.demo-variants button{background:var(--panel);border-radius:999px;min-height:40px;padding:8px 16px}.demo-variants button[aria-pressed=true]{background:var(--selected);border-color:var(--line-strong);color:var(--accent)}.demo-views{gap:14px;display:grid}.demo .scene-header{flex-wrap:wrap;height:auto;min-height:64px;padding:10px 16px}.demo-section-board{background:var(--board-bg);height:clamp(260px,85vw,560px);padding:12px}.demo-section{width:100%;height:100%;display:block}.demo-section .glass-element circle,.demo-section .glass-element path,.demo-section .outer-tube{cursor:default;vector-effect:non-scaling-stroke;stroke-width:1.3px}.demo .side-board{height:clamp(260px,85vw,560px)}.demo-status,.demo-error{text-align:center;max-width:480px;color:var(--muted);margin:18vh auto 0}.demo-error h1{color:var(--ink);font-size:22px}.demo-error p{font-size:14px;line-height:1.6}.demo-error details{margin-top:18px;font-size:11px}.demo-error code{word-break:break-word;margin-top:8px;display:block}.demo-footer{text-align:center;letter-spacing:.6px;color:var(--muted);flex-wrap:wrap;justify-content:center;gap:4px 18px;padding:18px 16px 22px;font-size:11px;display:flex}@media (width>=900px){.demo-main{padding:24px}.demo-views{grid-template-columns:1fr 1fr}.demo-section-board,.demo .side-board{height:clamp(320px,100dvh - 330px,620px)}}