:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}html{height:100%}body{margin:0;height:100%;overflow-x:auto;overflow-y:hidden}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*,*:before,*:after{box-sizing:border-box}#root{width:100%;height:100%}.app-container{width:100%;height:100%;display:flex;flex-direction:column}.app-container>nav{flex-shrink:0}.app-container>footer{flex-shrink:0}main{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.home-layout{flex:1;min-height:0;display:flex;flex-direction:row;min-width:1280px}.preview-area{flex:1;min-width:0;overflow:hidden;position:relative;background:#e8e8e8}.side-panel{width:480px;flex-shrink:0;height:100%;overflow:hidden;background:#fff;display:flex;flex-direction:column;padding:40px 32px 32px;border-left:1px solid #e0e0e0}.panel-title{font-size:1.25rem;font-weight:700;color:#111;margin-bottom:24px;text-align:center}.panel-slide-container{flex:1;min-height:0;position:relative;overflow:hidden}.panel-screen{position:absolute;top:0;left:0;width:100%;height:100%;overflow-x:hidden;overflow-y:auto;background:#fff;transition:transform .28s cubic-bezier(.4,0,.2,1);will-change:transform}.panel-screen.screen-active{transform:translate(0);z-index:2}.panel-screen.screen-exit{transform:translate(-28%);z-index:1;pointer-events:none}.panel-screen.screen-enter{transform:translate(100%);z-index:1;pointer-events:none}.nav-section{border-bottom:1px solid #e0e0e0;margin-bottom:0}.nav-row{display:flex;align-items:center;justify-content:space-between;padding:18px 4px;border-top:1px solid #e0e0e0;cursor:pointer;transition:background .1s}.nav-row:hover{background:#f7f7f7}.nav-row-label{font-size:.95rem;color:#222}.nav-row-value{font-size:.85rem;color:#1a5fa8;font-weight:600}.back-btn{display:inline-flex;align-items:center;gap:2px;background:none;border:none;color:#1a5fa8;font-size:1rem;font-weight:600;cursor:pointer;padding:4px 0 12px}.back-btn:hover{opacity:.7}.sub-screen-title{font-size:1.05rem;font-weight:700;color:#111;margin:0 0 16px}.sub-screen-placeholder{font-size:.85rem;color:#999;padding:16px 0;margin:0}.category-list{list-style:none;padding:0;margin:0}.category-item{display:flex;align-items:center;justify-content:space-between;padding:18px 4px;border-bottom:1px solid #e0e0e0;font-size:.95rem;color:#222;cursor:pointer;transition:background .1s}.category-item:hover{background:#f7f7f7}.chevron{font-size:1.2rem;color:#aaa;display:inline-block;transition:transform .2s ease}.category-item.open .chevron{transform:rotate(90deg)}.canvas-hint{position:absolute;bottom:16px;left:50%;transform:translate(-50%);background:#0000008c;color:#fff;font-size:.8rem;padding:6px 14px;border-radius:20px;pointer-events:none;z-index:10}.category-item.open{font-weight:600;color:#1a5fa8}.asset-list{list-style:none;padding:8px 8px 12px 16px;display:flex;flex-wrap:wrap;gap:8px;background:#f7f9fc;border-bottom:1px solid #e0e0e0}.asset-chip{padding:8px 16px;background:#fff;border:1.5px solid #1a5fa8;border-radius:20px;color:#1a5fa8;font-size:.85rem;cursor:pointer;transition:background .15s,color .15s}.asset-chip:hover:not(:disabled){background:#1a5fa8;color:#fff}.asset-chip:disabled{opacity:.5;cursor:wait}.tank-size-list{display:flex;flex-direction:column;gap:8px;padding:4px 0 20px}.size-btn{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border:1.5px solid #ddd;border-radius:8px;background:#fff;cursor:pointer;transition:border-color .15s,background .15s;text-align:left;gap:8px}.size-btn:hover{border-color:#1a5fa8;background:#f0f5ff}.size-btn.active{border-color:#1a5fa8;background:#e8f0fb}.size-label{font-size:.95rem;font-weight:600;color:#222}.size-btn.active .size-label{color:#1a5fa8}.size-dim{font-size:.75rem;color:#999;white-space:nowrap}.size-btn.active .size-dim{color:#5a8ac8}.view-reset-btn{position:absolute;top:12px;left:12px;background:#ffffffe0;border:1px solid #bbb;border-radius:6px;padding:5px 12px;font-size:.8rem;color:#444;cursor:pointer;z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .15s,border-color .15s}.view-reset-btn:hover{background:#fff;border-color:#888;color:#111}.substrate-editor{padding:10px 12px 14px!important;display:flex!important;flex-direction:column;gap:10px}.substrate-presets{display:flex;gap:6px;flex-wrap:wrap}.substrate-preset-btn{padding:5px 12px;border:1.5px solid #ddd;border-radius:6px;background:#fff;cursor:pointer;font-size:.82rem;font-weight:600;color:#444;transition:border-color .15s,background .15s}.substrate-preset-btn:hover{border-color:#1a5fa8;background:#f0f5ff}.substrate-preset-btn.active{border-color:#1a5fa8;background:#e8f0fb;color:#1a5fa8}.substrate-slider-row{display:grid;grid-template-columns:6em 1fr 3.2em;align-items:center;gap:8px}.substrate-slider-label{font-size:.8rem;color:#555;white-space:nowrap}.substrate-slider-row input[type=range]{width:100%;accent-color:#1a5fa8}.substrate-slider-val{font-size:.8rem;color:#1a5fa8;font-weight:600;text-align:right}