@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');
:root{--bg:#0b1014;--panel:#121a20;--panel2:#18232a;--line:#2b3a43;--text:#e9f0ee;--muted:#91a49f;--accent:#b9f36c;--accent2:#80cbb5;--warn:#f3bd68;--bad:#f28483;--radius:14px;font-family:'DM Sans','Noto Sans SC',sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button,.button{border:1px solid var(--line);background:#1a262d;color:var(--text);padding:9px 13px;border-radius:9px;transition:.15s}button:hover,.button:hover{border-color:var(--accent2);background:#24343b}.primary{background:var(--accent);color:#15200f;border-color:var(--accent);font-weight:700}.primary:hover{background:#d1ff89;color:#15200f}.danger{color:var(--bad)}.ghost{background:transparent;border-color:transparent}input,textarea,select{width:100%;background:#0d151a;border:1px solid var(--line);border-radius:9px;color:var(--text);padding:10px 11px;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent2)}textarea{min-height:100px;resize:vertical}label{display:block;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.03em;margin:0 0 13px}label input,label textarea,label select{margin-top:6px;font-size:14px;font-weight:400}h1,h2,h3,p{margin-top:0}h1{font-size:30px;letter-spacing:-.04em}h2{font-size:21px;letter-spacing:-.03em}h3{font-size:15px}small,.muted{color:var(--muted)}a{color:var(--accent2)}.row{display:flex;gap:10px;align-items:center}.wrap{flex-wrap:wrap}.between{justify-content:space-between}.grow{flex:1}.stack{display:grid;gap:12px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.shell{min-height:100vh;display:grid;grid-template-columns:230px minmax(0,1fr)}.sidebar{border-right:1px solid var(--line);padding:27px 18px;background:#0d1519;display:flex;flex-direction:column;gap:24px}.brand{font-size:26px;font-weight:700;letter-spacing:-.06em}.brand span{color:var(--accent)}.brand small{display:block;font-size:11px;letter-spacing:.2em;font-weight:500;margin-top:3px}.nav{display:grid;gap:5px}.nav button{text-align:left;border-color:transparent;background:transparent;color:var(--muted);padding:12px}.nav button.active,.nav button:hover{background:var(--panel2);color:var(--text);border-color:var(--line)}.sidebar-foot{margin-top:auto;font-size:12px;color:var(--muted);overflow-wrap:anywhere}.main{padding:30px 34px;min-width:0}.topline{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.card:hover{border-color:#3b5058}.project-card{cursor:pointer;min-height:210px;display:flex;flex-direction:column;justify-content:space-between}.thumb{height:112px;border-radius:10px;background:linear-gradient(135deg,#253d3f,#1d302a 60%,#182129);display:grid;place-items:center;overflow:hidden;margin-bottom:13px;color:var(--accent);font-size:34px}.thumb img{width:100%;height:100%;object-fit:cover}.chip{display:inline-flex;align-items:center;border:1px solid #48655b;border-radius:100px;padding:4px 9px;color:var(--accent2);font-size:11px;font-weight:700;white-space:nowrap}.chip.warn{color:var(--warn);border-color:#695638}.chip.bad{color:var(--bad);border-color:#704848}.chip.mock{color:#d0b2ff;border-color:#644b7e}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);overflow:auto;margin-bottom:20px}.tabs button{border:0;background:transparent;border-radius:0;color:var(--muted);white-space:nowrap;padding:12px 16px;border-bottom:2px solid transparent}.tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 0,#1b3934 0,transparent 50%),var(--bg)}.auth{width:min(440px,100%);padding:32px}.auth .brand{margin-bottom:28px}.notice{padding:12px 14px;border:1px solid #675a3d;background:#302b1e;color:#f0cc87;border-radius:10px;font-size:13px;line-height:1.6}.notice.error{border-color:#704848;background:#302022;color:#ffaaa8}.notice.ok{border-color:#3a6951;background:#1b3028;color:#b4e7bc}.file-tile{display:flex;gap:12px;align-items:center;padding:9px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}.file-tile img{width:70px;height:70px;object-fit:cover;border-radius:7px}.file-tile .meta{min-width:0;flex:1}.file-tile strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-tile select{padding:6px}.model-stage{height:440px;background:radial-gradient(circle at center,#25433d 0,#122329 55%,#0d171c);border:1px solid var(--line);border-radius:12px;overflow:hidden;position:relative}.model-stage model-viewer{width:100%;height:100%;--poster-color:transparent}.stage-label{position:absolute;top:15px;left:15px;z-index:2}.stage-unsupported{height:100%;display:grid;place-items:center;text-align:center;color:var(--muted);padding:25px}.toolbar{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.toolbar button{padding:7px 10px;font-size:12px}.canvas-viewport{height:650px;overflow:hidden;position:relative;border:1px solid var(--line);border-radius:12px;background-color:#10191d;background-image:radial-gradient(#32434a 1px,transparent 1px);background-size:24px 24px;touch-action:none}.canvas-world{position:absolute;transform-origin:0 0;width:1px;height:1px}.canvas-edges{position:absolute;overflow:visible;pointer-events:none}.canvas-node{position:absolute;width:190px;min-height:95px;border-radius:12px;background:#1c2a2f;border:1px solid #4c6468;box-shadow:0 14px 35px #0005;padding:12px;cursor:move;user-select:none}.canvas-node.selected{border:2px solid var(--accent)}.canvas-node h3{margin:6px 0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.canvas-node small{font-size:11px}.canvas-port{position:absolute;right:-7px;top:43px;width:14px;height:14px;border-radius:50%;background:var(--accent2);border:2px solid #132026;cursor:crosshair}.canvas-node .kind{font-size:10px;color:var(--accent);text-transform:uppercase;font-weight:700;letter-spacing:.08em}.canvas-tip{position:absolute;bottom:10px;left:12px;font-size:11px;color:var(--muted)}.list{display:grid;gap:8px}.list-item{border:1px solid var(--line);background:var(--panel2);padding:13px;border-radius:10px}.list-item code{font-size:11px;color:var(--muted);overflow-wrap:anywhere}.result-preview{height:160px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(130deg,#274038,#243c45);color:#a4bcb5;margin-bottom:13px;text-align:center;padding:12px}.form-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.empty{border:1px dashed #41535a;border-radius:12px;padding:36px;color:var(--muted);text-align:center}.search{max-width:360px}.history{max-height:480px;overflow:auto}.history .list-item{font-size:12px}.progress{height:5px;border-radius:5px;background:#2c3c42;overflow:hidden}.progress:after{content:'';display:block;width:45%;height:100%;background:var(--accent);animation:slide 1.5s infinite}@keyframes slide{from{transform:translateX(-110%)}to{transform:translateX(240%)}}#toast{position:fixed;right:20px;bottom:20px;z-index:50;max-width:390px}.toast{margin-top:8px;background:#24382f;color:#eaffd7;border:1px solid #567b57;border-radius:10px;padding:12px 16px;box-shadow:0 10px 30px #0008}.toast.error{background:#3b2426;color:#ffe6e2;border-color:#875455}@media(max-width:850px){.shell{grid-template-columns:1fr}.sidebar{padding:15px;display:block}.sidebar .brand{font-size:20px}.nav{display:flex;overflow:auto}.sidebar-foot{display:none}.main{padding:19px}.cols{grid-template-columns:1fr}.model-stage{height:340px}.canvas-viewport{height:540px}}
.model-stage.grid-on{background-image:linear-gradient(#35514d33 1px,transparent 1px),linear-gradient(90deg,#35514d33 1px,transparent 1px),radial-gradient(circle at center,#25433d 0,#122329 55%,#0d171c);background-size:36px 36px,36px 36px,auto}.stage-axes,.stage-dimensions{position:absolute;z-index:3;pointer-events:none;background:#102026d9;border:1px solid #55736e;border-radius:8px;color:#c9efda;padding:6px 9px;font-size:11px}.stage-axes{bottom:14px;left:14px}.stage-dimensions{top:14px;right:14px}