:root{color-scheme:dark;--bg:#111316;--panel:#191b20;--panel2:#22252b;--line:rgba(255,255,255,.12);--text:#f6f7fb;--muted:#a9adb7;--accent:#6d5cff;--green:#b7f275;--cyan:#70e1ff}*{box-sizing:border-box}html,body{margin:0;min-width:0;background:#0b0d10;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}body{overflow-x:hidden}button,a,input,select{font:inherit}.viewer-app{height:100vh;min-height:900px;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 12%,#3b3e43 0,#1f2227 35%,#101215 74%)}.app-topbar{height:54px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:0 24px;background:#07080bb8;border-bottom:1px solid var(--line);backdrop-filter:blur(18px);position:relative;z-index:20}.brand{font-weight:950;letter-spacing:.06em;text-decoration:none;font-size:14px}.top-tabs{justify-self:center;display:flex;align-items:center;gap:10px;min-width:0}.top-tabs button,.workspace-link{border:1px solid var(--line);border-radius:999px;background:#ffffff0d;color:#e8ebf2;padding:9px 12px;text-decoration:none;cursor:pointer;font-size:12px;font-weight:800}.top-tabs button[aria-pressed=true]{background:#eef1f6;color:#15171c}.workspace-link{background:linear-gradient(135deg,#74e4d4,#b7f275);border:0;color:#09100b}.mini-range{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.mini-range input{width:96px;accent-color:var(--green)}.viewport-shell{position:absolute;inset:54px 0 0}.viewport{position:absolute;inset:0;overflow:hidden;outline:none;background:linear-gradient(#34383d,#202429 42%,#101214)}.viewport:after{content:"";position:absolute;inset:45% -10% -10%;pointer-events:none;background:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:42px 42px;transform:perspective(520px) rotateX(62deg) scale(1.5);transform-origin:50% 0;opacity:var(--grid-opacity,.95);mask-image:linear-gradient(to bottom,black,transparent 78%)}#assetCanvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1}.state{position:absolute;inset:0;z-index:8;display:grid;place-content:center;justify-items:center;gap:10px;background:#0c0e12d1;text-align:center}.state em{font-style:normal;color:var(--muted);font-size:13px}.loader{width:38px;height:38px;border-radius:50%;border:3px solid rgba(255,255,255,.18);border-top-color:var(--green);animation:spin .8s linear infinite}.error strong{color:#ffb4b4}.stats-card{position:absolute;z-index:3;top:24px;right:88px;width:230px;padding:14px 16px;border-radius:18px;background:#090a0c8f;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px);box-shadow:0 20px 50px #00000047}.stats-card dl{margin:0;display:grid;gap:7px}.stats-card div{display:flex;justify-content:space-between;gap:16px}.stats-card dt{color:var(--muted)}.stats-card dd{margin:0;font-weight:800}.stats-card span{display:block;margin-top:10px;color:var(--green);font-size:12px}.orbit-hint{position:absolute;z-index:3;left:22px;bottom:18px;color:#cfd3dc;font-size:12px;background:#090a0c73;border:1px solid var(--line);border-radius:999px;padding:8px 12px;backdrop-filter:blur(10px)}.tool-nav{position:absolute;z-index:8;left:18px;top:112px;display:grid;gap:8px;width:76px;padding:8px;border:1px solid rgba(255,255,255,.14);border-radius:22px;background:#1214199e;backdrop-filter:blur(18px);box-shadow:0 18px 48px #00000057;pointer-events:auto}.tool-nav a{min-height:58px;border-radius:16px;color:#e9edf6;text-decoration:none;display:grid;place-items:center;text-align:center;font-weight:850;padding:7px 4px;border:1px solid transparent}.tool-nav span{font-size:20px;line-height:1}.tool-nav b{display:block;margin-top:5px;font-size:10px;color:var(--muted)}.tool-nav a.active{background:#6d5cff3d;border-color:#70e1ff47;color:var(--green)}.tool-nav a.active b{color:var(--green)}.tool-nav a:focus-visible{outline:2px solid var(--green);outline-offset:2px}.rail{position:absolute;z-index:6;right:18px;top:112px;display:grid;gap:10px}.rail button{width:54px;height:54px;border:0;border-radius:999px;background:#1d1f24db;color:#f6f7fb;font-size:20px;font-weight:900;box-shadow:0 12px 28px #0000003d;cursor:pointer}.floating-panel{position:absolute;z-index:7;right:88px;top:92px;width:min(340px,calc(100vw - 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