:root{--ui-bg: rgba(24, 24, 27, .62);--ui-bg-strong: rgba(24, 24, 27, .82);--ui-border: rgba(255, 255, 255, .14);--ui-text: rgba(255, 255, 255, .92);--ui-accent: #e83c3cd8;--ui-accent-text: #14141a;--ui-radius: 12px}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden}.viewer-ui{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;pointer-events:none}.viewer-ui,.viewer-ui button{cursor:default}.viewer-ui button{cursor:pointer}.space-drawer{position:fixed;top:50%;left:0;transform:translateY(-50%);display:flex;align-items:stretch;z-index:250}.space-drawer-panel{position:relative;width:0;max-height:64vh;overflow:hidden;background:var(--ui-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:4px 0 25px #00000040;transition:width .35s ease;pointer-events:none}.space-drawer.open .space-drawer-panel{width:180px;pointer-events:auto}.space-drawer-tab{flex-shrink:0;writing-mode:vertical-rl;text-orientation:mixed;padding:24px 11px;border:1px solid var(--ui-border);border-left:none;border-radius:0 var(--ui-radius) var(--ui-radius) 0;background:var(--ui-accent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--ui-text);font-size:13px;font-weight:700;letter-spacing:3px;cursor:pointer;pointer-events:auto;box-shadow:3px 0 18px #0000004d;transition:background .2s ease,border-color .2s ease}.space-drawer-tab:hover{background:#28282dd9}.space-drawer-list{max-height:64vh;overflow-y:auto;overscroll-behavior:contain;padding:10px;display:flex;flex-direction:column;gap:8px;scrollbar-width:none}.space-drawer-list::-webkit-scrollbar{display:none}.space-name-button{flex-shrink:0;width:100%;box-sizing:border-box;padding:12px 14px;border:1px solid var(--ui-border);border-radius:9px;background:#ffffff0d;color:var(--ui-text);font-size:14px;font-weight:500;letter-spacing:.01em;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;transition:background .2s ease,border-color .2s ease}.space-name-button:hover{background:#ffffff1a}.space-name-button.is-active{background:var(--ui-accent);border-color:var(--ui-accent);color:var(--ui-accent-text);font-weight:700}.space-drawer-scroll-hint{position:absolute;left:0;right:0;bottom:0;padding:6px 0 8px;text-align:center;font-size:16px;color:var(--ui-text);background:linear-gradient(to top,rgba(24,24,27,.9),transparent);opacity:0;pointer-events:none;transition:opacity .2s ease;animation:space-scroll-hint-bounce 1.4s ease-in-out infinite}.space-drawer-scroll-hint.show{opacity:1}@keyframes space-scroll-hint-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(4px)}}@media (max-width: 600px){.space-drawer-tab{padding:16px 8px;font-size:11px;letter-spacing:2px}.space-drawer.open .space-drawer-panel{width:145px}}.pattern-bar{position:absolute;left:50%;bottom:22px;transform:translate(-50%);width:min(90vw,1100px);box-sizing:border-box;padding:15px 18px;border-radius:var(--ui-radius);background:var(--ui-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 8px 35px #00000040;pointer-events:auto}.pattern-list{display:flex;align-items:flex-start;gap:14px;overflow-x:auto;padding:3px;scrollbar-width:thin}.pattern-button{flex:0 0 auto;width:105px;padding:0;border:2px solid transparent;border-radius:7px;overflow:hidden;background:#ffffff0f;cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.pattern-thumbnail{display:block;width:105px;height:105px;object-fit:cover}.pattern-name{display:block;box-sizing:border-box;width:100%;padding:8px 4px;color:var(--ui-text);font-size:13px;font-weight:500;line-height:1.2;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pattern-button:hover{transform:translateY(-4px)}.pattern-button.is-active{border-color:var(--ui-accent);box-shadow:0 0 0 2px #7c8cf859,0 5px 20px #0000004d}@media (max-width: 600px){.pattern-bar{bottom:10px;width:94vw;padding:9px 10px}.pattern-list{gap:8px}.pattern-button{width:75px}.pattern-thumbnail{width:75px;height:75px}.pattern-name{font-size:10px;padding:5px 2px}}.pattern-detail-button{position:fixed;left:50%;bottom:210px;transform:translate(-50%);padding:11px 22px;background:var(--ui-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--ui-text);border:1px solid var(--ui-border);border-radius:8px;font-size:13px;font-weight:600;letter-spacing:1px;cursor:pointer;pointer-events:auto;z-index:200;transition:background .2s ease,border-color .2s ease}.pattern-detail-button:hover{background:#28282dd9;border-color:var(--ui-accent)}.pattern-detail-overlay{cursor:default;position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0a0a0cb3;opacity:0;pointer-events:none;z-index:300;transition:opacity .2s ease}.pattern-detail-overlay.show{opacity:1;pointer-events:auto}.pattern-detail-image{display:block;max-width:90vw;max-height:90vh;object-fit:contain;cursor:pointer}.right-control-panel{position:absolute;top:50%;right:24px;left:auto;transform:translateY(-50%);width:82px;box-sizing:border-box;padding:12px 10px 13px;display:flex;flex-direction:column;gap:0;background:#18181b94;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.14);border-radius:var(--ui-radius);box-shadow:0 8px 28px #00000038;pointer-events:auto;z-index:200}.brightness-control{width:100%;box-sizing:border-box;display:flex;align-items:center;flex-direction:column;gap:7px}.brightness-icon{flex:0 0 auto;width:15px;height:15px;display:flex;align-items:center;justify-content:center;color:#fffffff0;opacity:.9}.brightness-icon svg{width:100%;height:100%;display:block}.brightness-slider{flex:0 0 auto;width:3px;min-width:3px;height:86px;margin:0;writing-mode:vertical-lr;direction:rtl;accent-color:var(--ui-accent);cursor:pointer}.color-control{width:100%;box-sizing:border-box;margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.11);pointer-events:auto}.color-title{margin-bottom:9px;color:#ffffffeb;font-size:12px;font-weight:700;letter-spacing:2px;line-height:1;text-align:center;text-shadow:0 1px 4px rgba(0,0,0,.4)}.color-list{display:flex;align-items:center;flex-direction:column;justify-content:center;gap:9px;flex-wrap:nowrap}.color-button{flex:0 0 auto;width:40px;height:40px;box-sizing:border-box;padding:2px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:transparent;cursor:pointer;pointer-events:auto;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.color-button:hover{transform:scale(1.08)}.color-button.is-active{border-color:#fff;box-shadow:0 0 0 1px #ffffffa6,0 2px 8px #0000002e}.color-swatch{width:100%;height:100%;display:block;border-radius:50%;box-shadow:inset 0 0 0 1px #00000024}@media (max-width: 900px) and (orientation: landscape){.right-control-panel{top:50%;right:8px;left:auto;transform:translateY(-50%);width:58px;padding:8px 7px 9px}.brightness-control{gap:5px}.brightness-icon{width:12px;height:12px}.brightness-slider{width:2px;min-width:2px;height:58px}.color-title{margin-bottom:6px;font-size:8px;letter-spacing:1.4px}.color-list{gap:6px}.color-button{width:25px;height:25px;padding:1.5px}}.plank-size-control{position:absolute;top:24px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;background:var(--ui-bg);padding:6px;border-radius:var(--ui-radius);border:1px solid var(--ui-border);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 4px 15px #0003;pointer-events:auto;z-index:200}.plank-size-btn{background:#ffffff0d;color:var(--ui-text);border:1px solid var(--ui-border);padding:10px 18px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:background .2s ease,border-color .2s ease}.plank-size-btn:hover{background:#ffffff1f}.plank-size-btn.is-active{background:var(--ui-accent);border-color:var(--ui-accent);color:var(--ui-accent-text);font-weight:700}.rotate-button{flex:0 0 auto;width:42px;height:42px;display:flex;align-items:center;justify-content:center;padding:0;background:#ffffff0d;color:#fff;border:1px solid var(--ui-border);border-radius:8px;cursor:pointer;pointer-events:auto;transition:background .2s ease,border-color .2s ease,transform .15s ease}.rotate-button:hover{background:#ffffff1f}.rotate-button:active{transform:scale(.95)}.rotate-button.is-active{background:var(--ui-accent);border-color:var(--ui-accent);color:var(--ui-accent-text)}.rotate-icon{width:25px;height:25px;display:block}@media (max-width: 900px) and (orientation: landscape){.space-drawer-tab{padding:14px 7px;font-size:10px;letter-spacing:1.5px}.space-drawer.open .space-drawer-panel{width:135px}.space-drawer-list{max-height:62vh;padding:7px;gap:5px}.space-name-button{padding:8px 9px;border-radius:7px;font-size:11px}.pattern-bar{left:50%;bottom:6px;width:78vw;max-width:700px;padding:6px 8px;border-radius:9px}.pattern-list{gap:6px;padding:2px}.pattern-button{width:52px;border-width:1px;border-radius:5px}.pattern-thumbnail{width:52px;height:52px}.pattern-name{padding:4px 2px;font-size:8px}.pattern-detail-button{bottom:91px;padding:7px 12px;border-radius:6px;font-size:9px;letter-spacing:.7px}.brightness-control{top:8px;right:8px;gap:4px;padding:7px 6px;border-radius:9px}.brightness-icon{width:13px;height:13px}.brightness-slider-wrap{width:22px;height:78px}.brightness-slider{width:78px;height:3px}.color-title{margin-bottom:6px;font-size:8px;letter-spacing:1.4px}.color-list{gap:6px}.color-button{width:19px;height:19px;padding:1.5px}.plank-size-control{top:8px;padding:4px;gap:4px;border-radius:9px;max-width:calc(100vw - 110px);overflow-x:auto;scrollbar-width:none}.plank-size-control::-webkit-scrollbar{display:none}.plank-size-btn{flex:0 0 auto;padding:7px 9px;border-radius:6px;font-size:9px}.rotate-button{width:30px;height:30px;border-radius:6px}.rotate-icon{width:19px;height:19px}}@media (max-width: 900px) and (orientation: portrait){body:before{content:"Please rotate your device";position:fixed;top:0;right:0;bottom:0;left:0;z-index:11000;display:flex;align-items:center;justify-content:center;padding:24px;box-sizing:border-box;background:#111214;color:#fff;font-size:14px;font-weight:600;letter-spacing:.08em;text-align:center}}.viewer-cursor{position:fixed;width:42px;height:42px;border:1px solid rgba(255,255,255,.9);border-radius:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:9999;opacity:0;transition:opacity .15s ease}.viewer-cursor.is-visible{opacity:1}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#0a0a0a73;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .25s ease}.loading-overlay.show{opacity:1;pointer-events:auto}.loading-spinner{width:44px;height:44px;border-radius:50%;border:3px solid rgba(255,255,255,.25);border-top-color:var(--ui-accent);animation:loading-spin .8s linear infinite}.loading-text{color:#fff;font-size:14px;font-weight:500;letter-spacing:.02em}@keyframes loading-spin{to{transform:rotate(360deg)}}