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rgba(0,0,0,.25))}.loading-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.rotate-menu{position:fixed;left:calc(var(--ctrl-inset) + env(safe-area-inset-left,0px));bottom:calc(var(--ctrl-inset) + env(safe-area-inset-bottom,0px));z-index:2;pointer-events:none;isolation:isolate;display:grid;justify-items:center;align-items:center}.rotate-toggle{pointer-events:auto;display:grid;place-items:center;position:relative;width:var(--ctrl-btn-size);height:var(--ctrl-btn-size);padding:0;border-radius:var(--ctrl-radius);font-size:calc(var(--ctrl-btn-size) * var(--ctrl-icon-scale));font-family:Cinzel,system-ui,sans-serif;font-weight:700;letter-spacing:.02em;color:#fffffff0;border:1px solid rgba(255,255,255,.16);background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.14),transparent 52%),#12121694;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 14px 40px #00000073,inset 0 1px 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20%,rgba(0,0,0,.1),transparent 52%),#ffffffc7;box-shadow:0 14px 44px #0000002e,inset 0 1px #ffffffd9}body.theme-light .rotate-controls{background:radial-gradient(circle at 22% 18%,rgba(0,0,0,.06),transparent 55%),#ffffffe0;border-color:#0000001f;box-shadow:0 18px 60px #0000002e}body.theme-light .rotate-controls:after{background:#ffffff73;border-right:1px solid rgba(0,0,0,.1);border-bottom:1px solid rgba(0,0,0,.1)}body.theme-light .rot-btn{color:#000000e0;border-color:#0000003d;background:#0000000d;box-shadow:0 12px 34px #00000029,inset 0 1px #ffffffbf}body.theme-light .rot-btn:hover{background:#00000014;box-shadow:0 18px 44px #0003,inset 0 1px #fffc}@media(max-width:1024px){:root{--ctrl-btn-size: 44px;--ctrl-inset: 16px;--rot-size: 40px;--rot-gap: 9px;--rot-font: 16px;--rot-panel-pad: 11px}}@media(max-width:600px){:root{--ctrl-btn-size: 44px;--ctrl-inset: 14px;--rot-size: 36px;--rot-gap: 8px;--rot-font: 14px;--rot-panel-pad: 10px}}@media(max-width:400px){:root{--ctrl-btn-size: 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ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.zoom-controls,.reset-control{pointer-events:auto}.mxd-3d-canvas{touch-action:none}.zoom-btn{width:44px;padding:0}.explode-btn{height:var(--ctrl-btn-size);min-height:var(--ctrl-btn-size);padding:0 22px;font-size:14px;font-weight:600;border-radius:var(--ctrl-radius);border-width:1px}.zoom-btn:active,.explode-btn:active{transform:translateY(0);box-shadow:0 7px 18px #00000073;filter:brightness(.95)}.reset-control{position:fixed;right:calc(var(--ctrl-inset) + env(safe-area-inset-right,0px));bottom:calc(var(--ctrl-inset) + env(safe-area-inset-bottom,0px));z-index:2;pointer-events:auto}.zoom-btn-extra{padding:0;width:var(--ctrl-btn-size);height:var(--ctrl-btn-size);background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:var(--ctrl-radius);cursor:pointer;font-family:inherit;display:flex;align-items:center;justify-content:center;transition:all .2s}.zoom-btn-extra:hover{background:#ffffff1a;border-color:#fff}#resetBtnGlobal span{font-size:calc(var(--ctrl-btn-size) * var(--ctrl-icon-scale));font-weight:700;display:inline-block;line-height:1;-webkit-user-select:none;user-select:none;transition:transform .3s ease}#resetBtnGlobal:hover span{transform:rotate(-180deg)}.engine-label-layer{position:absolute;inset:0;overflow:visible;pointer-events:none;z-index:30}.engine-label{position:absolute;padding:6px 14px;font-size:14px;border-radius:12px;background:#000000e0;color:#fff;transform:translate(-50%,-50%);white-space:nowrap;box-shadow:0 6px 18px #0006;opacity:0;pointer-events:auto;cursor:pointer}.engine-title{position:fixed;left:50%;transform:translate(-50%);z-index:25;color:#fff;font-family:Cinzel,serif;font-size:28px;letter-spacing:.08em}@media(max-width:1024px){.engine-title{top:10px;font-size:32px}}@media(max-width:600px){.engine-title{top:4px;font-size:24px;letter-spacing:.05em}.zoom-btn,.explode-btn{box-shadow:0 8px 20px #00000059}.zoom-btn{width:38px;font-size:20px}.explode-btn{padding:0 18px;font-size:13px}}@media(max-width:400px){.engine-title{top:0;font-size:20px}}body.theme-light .engine-title,body.theme-water .engine-title{color:#000}.engine-info-panel{position:fixed;left:50%;bottom:18px;transform:translate(-50%);width:min(520px,calc(100% - 20px));z-index:4000;pointer-events:auto}.engine-info-inner{position:relative;width:100%;min-height:230px;padding:26px 28px 34px;box-sizing:border-box;border-radius:26px;background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.08),transparent 34%),#0a0c0ce0;color:#fff;box-shadow:0 24px 70px #0000008c;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden}.engine-info-main{width:100%}.engine-info-title{margin:0 42px 12px 0;font-size:clamp(25px,4vw,20px);line-height:1;font-weight:800;letter-spacing:-.04em}.engine-info-text{margin:0;font-size:18px;line-height:1.45;color:#ffffffe6}.engine-info-divider{width:100%;height:1px;margin:20px 0 14px;background:#ffffff38}.engine-info-close{position:absolute;top:20px;right:20px;width:28px;height:28px;border-radius:999px;border:2px solid rgba(255,255,255,.9);background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;font-size:20px;line-height:1;z-index:2}.engine-info-doc-section{text-align:center}.engine-info-doc-heading{margin-bottom:18px;font-size:15px;font-weight:900;letter-spacing:.03em}.engine-info-doc-grid{display:flex;justify-content:center;align-items:center;gap:clamp(45px,8vw,82px)}.engine-info-doc-action{min-width:80px;color:#fff;text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:13px;font-weight:700;opacity:.92;transition:transform .18s ease,opacity .18s ease}.engine-info-doc-action:hover{transform:translateY(-3px);opacity:1}.engine-info-doc-icon{font-size:28px;line-height:1}@media(max-width:600px){.engine-info-panel{bottom:10px;width:calc(100% - 18px)}.engine-info-inner{min-height:230px;padding:24px 22px 30px;border-radius:24px}.engine-info-doc-grid{gap:26px}.engine-info-title{font-size:20px}.engine-info-text{font-size:16px}}.engine-info-close{position:absolute;right:28px;bottom:75px;border:none;background:transparent;color:#fff;width:32px;height:32px;border-radius:999px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px #0006;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}.engine-info-doc{position:absolute;right:28px;bottom:18px;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;padding:4px;border-radius:6px;border:2px solid rgba(253,255,255,.9);color:#fff;cursor:pointer;transition:transform .12s ease,border-color .15s ease,background .15s ease,box-shadow .15s ease}.doc-icon{width:18px;height:18px;opacity:.85;transition:opacity .15s ease,transform .18s ease}body.theme-light .zoom-btn,body.theme-light .explode-btn{color:#000;border-color:#00000040;background:#ffffffbf;box-shadow:0 10px 26px #0000002e}.engine-callout{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;padding:6px 10px;border-radius:999px;background:#000000bf;color:#fff;font:500 12px/1.1 system-ui,-apple-system,Segoe UI,Roboto,Arial;box-shadow:0 8px 22px #00000059;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.engine-leader-svg{position:absolute;inset:0;pointer-events:none;z-index:25}.circle-menu{position:fixed;right:calc(var(--ctrl-inset) + env(safe-area-inset-right,0px));top:calc(var(--ctrl-inset) + env(safe-area-inset-top,0px));bottom:auto;width:50px;height:50px;z-index:5080}.circle-main,.circle-item,.circle-subitem{position:absolute;inset:0;width:50px;height:50px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:#232323c7;color:#fff;display:grid;place-items:center;font-size:22px;cursor:pointer;box-shadow:0 18px 44px #0006;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:.28s ease}.circle-main{z-index:5;width:var(--ctrl-btn-size);height:var(--ctrl-btn-size);border-radius:var(--ctrl-radius);border:1px solid rgba(255,255,255,.14);background:#1212168c}.circle-menu.is-open .circle-main{transform:rotate(45deg)}.circle-item,.circle-submenu{opacity:0;pointer-events:none}.circle-menu.is-open .circle-item{opacity:1;pointer-events:auto}.circle-menu.is-open .circle-reset{transform:translate(-70px)}.circle-menu.is-open .circle-theme{transform:translate(-52px,55px)}.circle-menu.is-open .circle-rotate{transform:translateY(75px)}.circle-submenu.is-open{opacity:1;pointer-events:auto}.circle-theme-submenu .circle-subitem:nth-child(1){transform:translate(-52px,115px)}.circle-theme-submenu .circle-subitem:nth-child(2){transform:translate(-52px,170px)}.circle-rotate-submenu .circle-subitem:nth-child(1){transform:translateY(140px)}.circle-rotate-submenu .circle-subitem:nth-child(2){transform:translateY(200px)}.circle-rotate-submenu .circle-subitem:nth-child(3){transform:translateY(260px)}.circle-rotate-submenu .circle-subitem:nth-child(4){transform:translateY(320px)}.circle-main:hover{background:#121216f2;border-color:#ffffff3d}.theme-menu,.rotate-menu{display:none}@media(max-width:1024px){.zoom-controls{left:50%;right:auto;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:3999;pointer-events:auto}.action-buttons-row{pointer-events:auto}.explode-btn{pointer-events:auto;touch-action:manipulation;min-width:150px;height:48px;font-size:14px}.circle-menu{z-index:3999}}.circle-main img,.circle-item img,.circle-subitem img{width:22px;height:22px;object-fit:contain;pointer-events:none}.circle-main img{width:24px;height:24px}.circle-main img,.circle-item img,.circle-subitem img,.rotate-arrow{width:22px;height:22px;object-fit:contain;filter:brightness(0) invert(1)}.rotate-up{transform:rotate(0)}.rotate-down{transform:rotate(180deg)}.rotate-left{transform:rotate(-90deg)}.rotate-right{transform:rotate(90deg)}.engine-info-edit{position:absolute;top:18px;right:64px;width:36px;height:36px;border:0;border-radius:999px;background:#ffffff14;color:#fff;display:grid;place-items:center;cursor:pointer;z-index:5;transition:background .18s ease,transform .18s ease,box-shadow .18s ease}.engine-info-edit:hover{background:#ffffff29;box-shadow:0 8px 18px #00000059}.engine-info-edit:active{transform:translateY(1px)}.engine-info-edit svg{width:16px;height:16px;display:block;pointer-events:none;fill:currentColor}.engine-info-close{position:absolute;top:18px;right:18px;width:36px;height:36px;border:0;border-radius:999px;background:#ffffff14;color:#fff;display:grid;place-items:center;cursor:pointer;z-index:5;transition:background .18s ease,transform .18s 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