.studio-main{width:min(1440px,calc(100% - 72px));margin:auto}.studio-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;padding:35px 0}.studio-heading h1{font-size:clamp(36px,4vw,56px);margin-bottom:0}.studio-heading>p{max-width:390px;font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:6px}.studio-layout{display:grid;grid-template-columns:300px 1fr;gap:23px;align-items:start}.studio-controls{border:1px solid var(--line);border-radius:18px;padding:0;background:white;overflow:hidden}.studio-controls section{padding:22px;border-bottom:1px solid var(--line)}.studio-controls section:last-child{border:0}.step-label{font-size:9px;font-weight:750;letter-spacing:.11em;color:var(--blue);display:block;margin-bottom:17px}.studio-controls label{display:block;font-size:11px;font-weight:600;margin-top:16px}.studio-controls input:not([type=checkbox]):not([type=color]):not([type=file]),.studio-controls select{width:100%;margin-top:7px}.studio-controls input[type=range]{padding:0;border:0;box-shadow:none;accent-color:var(--blue);height:20px;background:transparent}.studio-controls input[type=number],.studio-controls select{font:inherit;border:1px solid #d3e0f3;border-radius:8px;background:#f9fbff;color:var(--ink);padding:9px 10px;font-size:12px}.studio-controls output{float:right;color:var(--blue);font-size:10px}.studio-controls .upload-area{margin:0;border:1.5px dashed #a6c6ff;border-radius:12px;background:#f4f8ff;min-height:145px;display:flex;flex-direction:column;justify-content:center;align-items:center;cursor:pointer;position:relative;gap:5px}.upload-area.dragging{background:#deecff;border-color:var(--blue)}.upload-area strong{font-size:13px;color:var(--blue)}.upload-area span:not(.upload-icon){font-size:10px;color:var(--muted);font-weight:400}.upload-area small{font-size:9px;color:var(--muted);font-weight:400}.upload-icon{font-size:26px;color:var(--blue);line-height:1.2}#pdf-upload{position:absolute;width:1px;height:1px;opacity:0;bottom:12px;left:50%}.upload-area:focus-within{outline:3px solid #98beff;outline-offset:3px}.upload-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;font-size:9px}.upload-actions button{background:none;border:0;padding:0;color:var(--blue);font-size:10px;text-decoration:underline;text-underline-offset:3px}.upload-actions a{color:var(--muted);font-size:9px}.file-name{font-size:10px;color:var(--muted);margin:15px 0 0;overflow-wrap:anywhere}.page-row{display:flex!important;align-items:center;justify-content:space-between;gap:12px}.page-row select{width:80px!important;margin:0!important}#pdf-preview{display:block;width:100%;max-height:155px;object-fit:contain;background:repeating-conic-gradient(#f0f4fa 0% 25%,white 0% 50%) 50% / 14px 14px;margin-top:13px;border:1px solid #e1e9f5;border-radius:8px}.mask-settings{margin-top:16px}.rebuild{width:100%;background:#eef5ff;border:1px solid #d6e6ff;color:var(--blue);font-size:11px;padding:10px;border-radius:8px;margin-top:12px}.rebuild:hover{background:#e0edff}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mode-switch button{background:white;border:1px solid var(--line);border-radius:11px;padding:12px 6px;color:var(--muted);text-align:center}.mode-switch b{display:block;font-size:24px;line-height:1.3;font-weight:700;margin-bottom:5px}.mode-switch span{font-size:9px;line-height:1.5;display:block}.mode-switch .selected{background:#eef4ff;border-color:#82adff;color:var(--blue);box-shadow:0 0 0 1px #82adff}.studio-controls .check-row{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:400}.check-row input{width:14px;height:14px;margin:0;accent-color:var(--blue);box-shadow:none;flex-shrink:0}.control-note{font-size:9px;line-height:1.7;color:var(--muted);margin:8px 0 0}.studio-controls .color-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.color-row input{width:40px;height:30px;padding:3px;border-radius:7px;cursor:pointer}.color-presets{display:flex;gap:9px;margin-top:13px}.color-presets button{width:25px;height:25px;border-radius:50%;background:var(--swatch);border:3px solid white;box-shadow:0 0 0 1px #cddbef}.color-presets button:hover{transform:scale(1.15)}.lighting-switch{display:flex;gap:8px}.lighting-switch button{flex:1;font-size:11px;padding:10px;background:white;border:1px solid var(--line);color:var(--muted);border-radius:8px}.lighting-switch .selected{background:#edf4ff;color:var(--blue);border-color:#94b9ff}.viewer-column{position:sticky;top:20px;min-width:0}.viewer-shell{position:relative;height:560px;background:#eaf0f8;border:1px solid #d9e4f4;border-radius:22px;overflow:hidden;box-shadow:0 10px 40px #214d8d0c}.viewer-shell.night{background:#0d1830;border-color:#223450}.viewer-top{position:absolute;left:22px;right:22px;top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:1;pointer-events:none;font-size:10px;color:#566d8d}.viewer-badge{display:flex;align-items:center;gap:7px;font-weight:650;font-size:9px;letter-spacing:.06em;border:1px solid #ffffffa0;background:#ffffffa6;padding:6px 10px;border-radius:7px}.viewer-badge i{width:5px;height:5px;border-radius:50%;background:#2361f5}.night .viewer-top{color:#a9bfdf}.night .viewer-badge{background:#172944b3;border-color:#344b6d;color:#bbd1f2}.viewer-shell>canvas{width:100%;height:100%;display:block;touch-action:none;cursor:grab}.viewer-shell>canvas:active{cursor:grabbing}.viewer-hints{position:absolute;left:22px;right:22px;bottom:74px;display:flex;justify-content:center;gap:18px;pointer-events:none;color:#637a9a;font-size:9px}.night .viewer-hints{color:#9bb2d4}.view-controls{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:4px;background:#ffffffd9;backdrop-filter:blur(12px);border:1px solid #d6e2f3;border-radius:12px;padding:5px}.view-controls button{border:0;border-radius:8px;background:none;color:#607493;font-size:10px;white-space:nowrap;padding:9px 13px}.view-controls button.selected{background:#2361f5;color:white}.view-controls button:hover:not(.selected){background:#e4eeff}.night .view-controls{background:#14233ddb;border-color:#334b70}.night .view-controls button{color:#b9cbea}.night .view-controls button:hover:not(.selected){background:#22385c}.viewer-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:20px 0}.viewer-bottom .button{font-size:11px;padding:13px 17px;white-space:nowrap}.viewer-bottom .button:disabled{opacity:.45;cursor:not-allowed;transform:none}.status-pill{display:inline-block;font-size:9px;padding:4px 9px;background:#e8f2ff;border:1px solid #d5e6ff;color:var(--blue);border-radius:20px;font-weight:600}.viewer-bottom p{font-size:11px;color:var(--muted);margin:7px 0 0;line-height:1.7;max-width:570px}.viewer-bottom p.error{color:#a93545}.studio-disclaimer{border:1px solid #deE8f5;background:white;padding:19px 22px;border-radius:14px}.studio-disclaimer b{font-size:11px}.studio-disclaimer p{font-size:10px;color:var(--muted);line-height:1.8;margin:6px 0 0}.scene-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;background:#f0f6ffd9;backdrop-filter:blur(3px);color:var(--blue);font-size:12px;z-index:3}.spinner{width:19px;height:19px;border:2px solid #b8d3ff;border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#webgl-error{position:absolute;inset:100px 30px 120px;display:grid;place-items:center;text-align:center;font-size:14px;color:#a93545;z-index:4;background:#f1f6ff;padding:25px;border-radius:12px}.studio-how{padding:75px 0;display:grid;grid-template-columns:1fr 1.5fr;gap:70px}.studio-how ol{padding-left:20px;margin:0;font-size:13px;color:var(--muted)}.studio-how li{padding:0 0 17px 9px}.studio-how li b{color:var(--ink)}
@media(max-width:1100px){.studio-main{width:calc(100% - 44px)}.studio-layout{grid-template-columns:275px 1fr;gap:17px}.studio-controls section{padding:18px}.viewer-shell{height:510px}.viewer-top{left:16px;right:16px;font-size:8px}.viewer-badge{font-size:8px}.viewer-hints{flex-direction:column;align-items:center;gap:4px}.viewer-bottom{align-items:start;flex-direction:column}.studio-heading{gap:25px}.studio-heading>p{max-width:300px;font-size:13px}.studio-heading h1{font-size:43px}}
@media(max-width:800px){.studio-heading{display:block;padding:25px 0}.studio-heading h1{font-size:39px}.studio-heading>p{max-width:550px;font-size:12px;margin-top:18px}.studio-main{width:calc(100% - 32px)}.studio-layout{display:flex;flex-direction:column}.viewer-column{position:static;order:0;width:100%}.studio-controls{order:1;width:100%;display:grid;grid-template-columns:1fr 1fr}.studio-controls section:first-child{grid-row:span 2;border-right:1px solid var(--line)}.studio-controls section:last-child{border-bottom:0}.viewer-shell{height:400px;border-radius:17px}.viewer-bottom{flex-direction:row;align-items:center;gap:10px}.viewer-bottom .button{font-size:10px;padding:11px 12px}.viewer-top{top:15px}.viewer-hints{bottom:70px;font-size:8px}.view-controls button{padding:9px 10px;font-size:9px}.studio-disclaimer{padding:16px}.studio-how{grid-template-columns:1fr;gap:20px;padding:45px 0}.studio-how h2{font-size:29px}.studio-how ol{font-size:12px}}
@media(max-width:480px){.studio-controls{display:block}.studio-controls section:first-child{border-right:0}.viewer-shell{height:350px}.viewer-top{gap:8px;align-items:start}.viewer-top>span:last-child{font-size:8px;max-width:95px;text-align:right}.viewer-badge{font-size:7px;padding:5px 7px}.viewer-bottom{flex-direction:column;align-items:start}.viewer-bottom .button{width:100%;justify-content:center}.studio-heading h1{font-size:35px}.viewer-hints{font-size:8px}.view-controls{bottom:16px}.view-controls button{padding:9px}.studio-controls section{padding:20px}.studio-controls input[type=number],.studio-controls select{font-size:16px}.studio-controls label{font-size:12px}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none}}