:root{--color-bg:#f8faf7;--color-bg-2:#eef4ee;--color-panel:#ffffffeb;--color-panel-solid:#fff;--color-panel-soft:#104c2b0a;--color-line:#104c2b24;--color-line-strong:#104c2b6b;--color-text:#173222;--color-text-soft:#173222b8;--color-muted:#6c7b70;--color-accent:#104c2b;--color-accent-2:#2b6b47;--color-danger:#c94b4b;--shadow-panel:0 18px 55px #142e1f14;--shadow-control:0 10px 28px #142e1f1a;--radius-lg:18px;--radius-md:12px;--radius-sm:8px;--control-h:46px;--font-ui:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;--font-mono:"SF Mono", "Cascadia Mono", "Fira Code", Consolas, monospace}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;margin:0;padding:0}html,body{width:100%;height:100%;font-family:var(--font-ui);background:var(--color-bg);color:var(--color-text);overflow:hidden}button,input,select,textarea{font:inherit}button{color:inherit}input,textarea,select{-webkit-user-select:text;user-select:text}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:2px;outline:2px solid #104c2b59}#welcome-screen{z-index:1000;background:radial-gradient(circle at 18% 12%,#104c2b14,#0000 24rem),radial-gradient(circle at 86% 22%,#2b6b4714,#0000 22rem),linear-gradient(150deg,#fff 0%,#f4f8f4 52%,#edf4ee 100%);justify-content:center;align-items:stretch;display:flex;position:fixed;inset:0;overflow:hidden}#welcome-screen:before{content:"";pointer-events:none;background-color:#0000;background-image:linear-gradient(#104c2b08 1px,#0000 1px),linear-gradient(90deg,#104c2b08 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:64px 64px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;border:1px solid #104c2b14;position:absolute;inset:42px;-webkit-mask-image:linear-gradient(#000000e0,#0000 78%);mask-image:linear-gradient(#000000e0,#0000 78%)}#welcome-screen:after{content:"";aspect-ratio:1.75;pointer-events:none;border:1px solid #104c2b1a;width:min(74vw,760px);position:absolute;top:50%;left:50%;transform:translate(-50%,-52%);box-shadow:inset 0 0 0 1px #104c2b08}.welcome-scroll{z-index:1;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;touch-action:pan-y;width:100%;height:100%;padding:max(24px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom));position:relative;overflow:hidden auto}.welcome-container{grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);grid-template-areas:"brand library""main library";align-content:center;gap:18px;width:min(100%,920px);min-height:100%;margin:0 auto;display:grid}.welcome-brand{grid-area:brand;align-items:center;gap:12px;min-width:0;display:flex}.brand-mark{background:#fff;border:1px solid #104c2b1f;border-radius:12px;flex:none;justify-content:center;align-items:center;width:44px;height:44px;display:flex;overflow:hidden;box-shadow:0 10px 24px #142e1f14}.brand-mark img{object-fit:contain;width:78%;height:78%;display:block}.brand-name{color:var(--color-text);letter-spacing:.02em;white-space:nowrap;font-size:17px;font-weight:700}.brand-product{color:var(--color-text-soft);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin-top:3px;font-size:12px}.welcome-main-card,.model-library-section,#params-panel,.toast,.control-hint,.loading-content{background:var(--color-panel);border:1px solid var(--color-line);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(18px)}.welcome-main-card{border-radius:var(--radius-lg);grid-area:main;width:100%;min-width:0;padding:28px;position:relative;overflow:hidden}.field-frame{pointer-events:none;position:absolute;inset:16px}.field-corner{border-color:#104c2b61;width:28px;height:28px;position:absolute}.field-corner--tl{border-top:1px solid;border-left:1px solid;top:0;left:0}.field-corner--tr{border-top:1px solid;border-right:1px solid;top:0;right:0}.field-corner--bl{border-bottom:1px solid;border-left:1px solid;bottom:0;left:0}.field-corner--br{border-bottom:1px solid;border-right:1px solid;bottom:0;right:0}.welcome-title{z-index:1;margin-bottom:24px;position:relative}.eyebrow{color:var(--color-accent);margin-bottom:12px;font-size:12px;font-weight:700;line-height:1.5}.welcome-title h1{color:var(--color-text);letter-spacing:0;margin-bottom:12px;font-size:clamp(28px,5vw,44px);font-weight:760;line-height:1.1}.welcome-title .subtitle{color:var(--color-text-soft);max-width:34em;font-size:14px;line-height:1.7}.button-group{z-index:1;flex-direction:column;gap:14px;display:flex;position:relative}.main-btn{border:1px solid var(--color-accent);border-radius:var(--radius-md);width:100%;min-height:54px;color:var(--color-accent);cursor:pointer;background:#fff;justify-content:center;align-items:center;gap:10px;padding:0 18px;font-size:16px;font-weight:700;transition:transform .18s,border-color .18s,background-color .18s,box-shadow .18s,color .18s;display:flex;box-shadow:0 12px 28px #142e1f14}.main-btn:hover{border-color:var(--color-accent-2);background:#104c2b0a;transform:translateY(-1px);box-shadow:0 16px 34px #142e1f1f,0 0 0 3px #104c2b0f}.main-btn:active{transform:translateY(0)}.main-btn .btn-icon{width:22px;height:22px;display:inline-flex}.main-btn .btn-icon svg{width:100%;height:100%}.model-id-block{border-radius:var(--radius-md);background:var(--color-panel-soft);border:1px solid var(--color-line);width:100%;padding:14px}.model-id-label{color:var(--color-text);margin-bottom:10px;font-size:13px;font-weight:700}.model-id-row{align-items:center;gap:10px;display:flex}.model-id-input,.param-input,select,.toolbar-quality-select{border:1px solid var(--color-line);color:var(--color-text);background-color:#fff;outline:none;transition:border-color .18s,box-shadow .18s,background-color .18s}.model-id-input{min-width:0;height:var(--control-h);border-radius:var(--radius-sm);font-family:var(--font-mono);flex:1;padding:0 13px;font-size:13px}.model-id-input::placeholder{color:#17322261}.model-id-input:focus,.param-input:focus,select:focus,.toolbar-quality-select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #104c2b14}.model-id-btn,.model-library-refresh-btn,.model-library-action-btn{border:1px solid var(--color-accent);border-radius:var(--radius-sm);min-height:36px;color:var(--color-accent);cursor:pointer;white-space:nowrap;background:#fff;padding:0 13px;font-size:13px;font-weight:650;transition:background-color .18s,border-color .18s,transform .18s,color .18s,box-shadow .18s}.model-id-btn{height:var(--control-h)}.model-id-btn:hover,.model-library-refresh-btn:hover,.model-library-action-btn:hover{border-color:var(--color-accent-2);background:#104c2b0d;box-shadow:0 6px 18px #142e1f14}.model-id-btn:active,.model-library-refresh-btn:active,.model-library-action-btn:active{transform:scale(.98)}.model-id-hint{color:var(--color-text-soft);margin-top:9px;font-size:12px;line-height:1.55}.supported-formats{align-items:center;gap:10px;display:flex}.format-label{color:var(--color-muted);font-size:12px}.format-tag{color:var(--color-accent);font-family:var(--font-mono);background:#104c2b0d;border:1px solid #104c2b33;border-radius:999px;padding:4px 10px;font-size:12px}.model-library-section{border-radius:var(--radius-lg);grid-area:library;width:100%;min-width:0;padding:16px}.model-library-section--embedded{flex-direction:column;min-height:min(640px,100vh - 80px);max-height:calc(100vh - 80px);display:flex}.model-library-header{flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.model-library-title{color:var(--color-text);font-size:18px;font-weight:750}.model-library-subtitle{color:var(--color-text-soft);margin-top:5px;font-size:12px;line-height:1.55}.model-library-header-actions{align-items:center;gap:8px;display:flex}.model-library-count{min-width:30px;height:30px;color:var(--color-accent);font-family:var(--font-mono);background:#104c2b0d;border:1px solid #104c2b2e;border-radius:999px;justify-content:center;align-items:center;padding:0 8px;font-size:12px;display:inline-flex}.model-library-body{-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y;flex:1;min-height:0;padding-right:2px;overflow:hidden auto}.model-library-empty{border-radius:var(--radius-md);color:var(--color-text-soft);text-align:center;background:#104c2b05;border:1px dashed #104c2b2e;padding:22px 14px;font-size:13px;line-height:1.6}.model-library-list{grid-template-columns:1fr;gap:12px;display:grid}.model-library-card{border:1px solid var(--color-line);border-radius:var(--radius-md);background:#fffffff5;flex-direction:column;gap:10px;padding:12px;transition:border-color .18s,background-color .18s;display:flex}.model-library-card:hover{background:#104c2b08;border-color:#104c2b47}.model-library-card-main{width:100%;color:inherit;text-align:left;cursor:default;background:0 0;border:none;align-items:stretch;gap:12px;padding:0;display:flex}.model-library-thumb{border-radius:var(--radius-sm);background:linear-gradient(135deg,#104c2b14,#2b6b470a),#f8faf7;border:1px solid #104c2b1a;justify-content:center;align-items:center;width:92px;min-width:92px;height:92px;display:flex;overflow:hidden}.model-library-thumb-img{object-fit:cover;width:100%;height:100%;display:block}.model-library-thumb-placeholder{color:var(--color-text-soft);text-align:center;padding:8px;font-size:12px;line-height:1.4}.model-library-meta{flex:1;min-width:0}.model-library-name-row{align-items:flex-start;gap:8px;min-width:0;display:flex}.model-library-name{min-width:0;color:var(--color-text);word-break:break-word;flex:1;font-size:15px;font-weight:750;line-height:1.45}.model-library-rename-btn{border:1px solid var(--color-line);border-radius:var(--radius-sm);width:30px;height:30px;color:var(--color-text-soft);cursor:pointer;background:#fff;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:background-color .18s,border-color .18s,color .18s,transform .18s;display:inline-flex}.model-library-rename-btn:hover{color:var(--color-accent);background:#104c2b0d;border-color:#104c2b57}.model-library-rename-btn:active{transform:scale(.95)}.model-library-rename-btn svg{width:16px;height:16px;display:block}.model-library-id{color:#17322285;font-family:var(--font-mono);word-break:break-all;margin-top:4px;font-size:11px;line-height:1.45}.model-library-info-row{flex-wrap:wrap;gap:7px 12px;margin-top:8px;display:flex}.model-library-info-item{color:var(--color-text-soft);font-size:12px;line-height:1.4}.model-library-actions{justify-content:flex-end;gap:8px;display:flex}.model-library-action-btn.danger{color:#b94040;background:#fff;border-color:#c94b4b52}.model-library-action-btn.danger:hover{background:#c94b4b0f;border-color:#c94b4b75}#canvas-container,#viewer-root,#screen-viewport,#screen-content,#render-frame,#render-surface{background:#fff}#canvas-container{z-index:1;width:100%;height:100%;position:fixed;inset:0;overflow:hidden}#viewer-root,#screen-viewport{width:100%;height:100%;position:absolute;inset:0;overflow:hidden}#screen-content{will-change:width, height;position:absolute;overflow:hidden}#render-frame{will-change:width, height, left, top;justify-content:center;align-items:center;display:flex;position:absolute;overflow:hidden}#render-surface{position:absolute;top:0;left:0;overflow:hidden}#render-frame canvas,#render-surface canvas{touch-action:none;background:#fff;display:block}#top-bar{padding:8px 12px 18px;padding-top:max(8px, env(safe-area-inset-top));z-index:300;opacity:0;pointer-events:auto;background:linear-gradient(#fffffff0 0%,#ffffffc7 58%,#fff0 100%);justify-content:space-between;align-items:flex-start;gap:10px;transition:transform .26s,opacity .26s;display:flex;position:absolute;top:0;left:0;right:0;transform:translateY(-100%)}#top-bar.visible{opacity:1;transform:translateY(0)}.toolbar-left{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.toolbar-btn{border:1px solid var(--color-accent);border-radius:var(--radius-sm);width:40px;min-width:40px;height:40px;color:var(--color-accent);cursor:pointer;box-shadow:var(--shadow-control);-webkit-backdrop-filter:blur(12px);background:#fff;flex-shrink:0;justify-content:center;align-items:center;transition:transform .18s,background-color .18s,border-color .18s,color .18s;display:flex}.toolbar-btn:hover{border-color:var(--color-accent-2);background:#104c2b0d}.toolbar-btn:active{transform:scale(.95)}.toolbar-btn.active{border-color:var(--color-accent);color:var(--color-accent);background:#104c2b1a}.toolbar-btn svg{width:21px;height:21px}.toolbar-title-wrap{border:1px solid var(--color-line);border-radius:var(--radius-sm);min-width:0;box-shadow:var(--shadow-control);-webkit-backdrop-filter:blur(12px);background:#ffffffe6;flex:1;padding:8px 10px}.toolbar-title{color:var(--color-text);text-align:left;white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:700;line-height:1.25;overflow:hidden}.toolbar-offset{color:#104c2bc7;font-family:var(--font-mono);text-align:left;white-space:nowrap;text-overflow:ellipsis;margin-top:3px;font-size:10px;line-height:1.3;overflow:hidden}.toolbar-right{-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-shrink:0;align-items:center;gap:8px;min-width:0;max-width:58vw;padding-bottom:2px;display:flex;overflow:auto hidden}.toolbar-right::-webkit-scrollbar{display:none}.toolbar-quality-wrap{flex-shrink:0;align-items:center;display:flex}.toolbar-quality-select{border-radius:var(--radius-sm);appearance:none;cursor:pointer;min-width:82px;height:40px;box-shadow:var(--shadow-control);-webkit-backdrop-filter:blur(12px);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23104C2B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;background-size:12px 12px;padding:0 30px 0 10px;font-size:12px;font-weight:650}.toolbar-quality-select option,select option{background:var(--color-panel-solid);color:var(--color-text)}#params-backdrop{z-index:190;opacity:0;visibility:hidden;background:#1732221f;transition:opacity .22s,visibility .22s;position:absolute;inset:0}#params-backdrop.open{opacity:1;visibility:visible}#params-panel{border-radius:var(--radius-lg);z-index:200;opacity:0;visibility:hidden;pointer-events:none;width:320px;max-width:calc(100vw - 16px);max-height:calc(100vh - 96px);transition:transform .22s,opacity .22s,visibility .22s;position:absolute;top:80px;right:20px;overflow:hidden;transform:translate(20px)}#params-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(0)}.params-header{border-bottom:1px solid var(--color-line);cursor:move;touch-action:none;flex-shrink:0;justify-content:space-between;align-items:center;min-height:54px;padding:14px 15px;display:flex}.params-title{color:var(--color-text);font-size:15px;font-weight:750}.params-close{border:1px solid var(--color-line);border-radius:var(--radius-sm);width:30px;height:30px;color:var(--color-text-soft);cursor:pointer;background:#fff;flex-shrink:0;justify-content:center;align-items:center;font-size:20px;line-height:1;transition:background-color .18s,border-color .18s,color .18s;display:flex}.params-close:hover{color:#b94040;background:#c94b4b0f;border-color:#c94b4b59}.params-content{-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior:contain;max-height:calc(100vh - 150px);padding:15px;overflow:hidden auto}.param-item{margin-bottom:18px}.param-item label{color:var(--color-text-soft);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;font-size:11px;font-weight:700;line-height:1.4;display:block}.param-control{align-items:center;gap:12px;display:flex}.param-control input[type=range]{appearance:none;background:#104c2b24;border-radius:999px;outline:none;flex:1;height:4px}.param-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--color-accent);cursor:pointer;border:2px solid #fff;border-radius:50%;width:18px;height:18px;box-shadow:0 0 0 4px #104c2b1f}.param-value{min-width:32px;color:var(--color-accent);font-family:var(--font-mono);text-align:right;font-size:13px;font-weight:700}.switch{width:48px;height:28px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;border:1px solid var(--color-line);background-color:#104c2b14;border-radius:28px;transition:background-color .22s,border-color .22s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:20px;height:20px;transition:transform .22s,background-color .22s;position:absolute;bottom:3px;left:3px;box-shadow:0 2px 8px #142e1f1f}input:checked+.slider{background:#104c2b3d;border-color:#104c2b75}input:checked+.slider:before{background-color:var(--color-accent);transform:translate(20px)}select{border-radius:var(--radius-sm);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23104C2B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;width:100%;min-height:40px;padding:0 34px 0 11px;font-size:13px}.param-input{border-radius:var(--radius-sm);width:100%;min-width:0;min-height:40px;font-family:var(--font-mono);padding:9px 11px;font-size:13px}.param-input.small{width:100%;max-width:120px}.param-input[readonly]{color:#17322285;background:#104c2b08}.param-divider{background:var(--color-line);height:1px;margin:18px 0}.param-item.readonly label{color:#1732226b}#loading-overlay{z-index:1000;opacity:0;visibility:hidden;background:#f8faf7eb;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .26s,visibility .26s;display:flex;position:fixed;top:0;left:0}#loading-overlay.visible{opacity:1;visibility:visible}.loading-content{border-radius:var(--radius-lg);text-align:center;width:min(88vw,360px);padding:34px}.loading-spinner{border:3px solid #104c2b1f;border-top-color:var(--color-accent);border-radius:50%;width:54px;height:54px;margin:0 auto 22px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--color-text);word-break:break-word;margin-bottom:18px;font-size:15px;line-height:1.55}.loading-progress{background:#104c2b1f;border-radius:999px;width:100%;max-width:260px;height:6px;margin:0 auto 12px;overflow:hidden}.loading-progress-bar{background:linear-gradient(90deg, var(--color-accent), var(--color-accent-2));border-radius:999px;width:0%;height:100%;transition:width .25s}.loading-percent{color:var(--color-accent);font-family:var(--font-mono);font-size:22px;font-weight:750}.toast{border-radius:var(--radius-md);max-width:min(88vw,520px);color:var(--color-text);z-index:500;opacity:0;visibility:hidden;padding:12px 18px;font-size:14px;line-height:1.45;transition:transform .26s,opacity .26s,visibility .26s;position:fixed;bottom:100px;left:50%;transform:translate(-50%)translateY(100px)}.toast.visible{opacity:1;visibility:visible;transform:translate(-50%)translateY(0)}body.viewing{width:100%;height:100%;position:fixed;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}.welcome-scroll::-webkit-scrollbar{width:8px;height:8px}.model-library-body::-webkit-scrollbar{width:8px;height:8px}.params-content::-webkit-scrollbar{width:8px;height:8px}.welcome-scroll::-webkit-scrollbar-thumb{background:#104c2b2e;border-radius:999px}.model-library-body::-webkit-scrollbar-thumb{background:#104c2b2e;border-radius:999px}.params-content::-webkit-scrollbar-thumb{background:#104c2b2e;border-radius:999px}.welcome-scroll::-webkit-scrollbar-track{background:0 0}.model-library-body::-webkit-scrollbar-track{background:0 0}.params-content::-webkit-scrollbar-track{background:0 0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.3s forwards fadeIn}.focal-indicator{border:2px solid var(--color-accent);pointer-events:none;z-index:50;opacity:0;border-radius:50%;width:12px;height:12px;transition:opacity .3s;position:fixed}.focal-indicator.visible{opacity:1}.control-hint{color:var(--color-text-soft);z-index:50;opacity:0;pointer-events:none;border-radius:999px;padding:8px 14px;font-size:12px;transition:opacity .5s;position:fixed;bottom:30px;left:50%;transform:translate(-50%)}.control-hint.visible{opacity:1}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=760px){#welcome-screen:before{background-size:44px 44px;inset:20px}#welcome-screen:after{width:88vw;transform:translate(-50%,-56%)}.welcome-scroll{padding:max(16px, env(safe-area-inset-top)) 12px max(18px, env(safe-area-inset-bottom))}.welcome-container{grid-template-columns:1fr;grid-template-areas:"brand""main""library";align-content:start;gap:14px;width:100%}.welcome-brand{padding-top:2px}.welcome-main-card{border-radius:16px;padding:24px 16px}.field-frame{inset:12px}.welcome-title h1{font-size:29px}.welcome-title .subtitle{font-size:13px}.model-library-section{border-radius:16px;padding:14px}.model-library-section--embedded{min-height:220px;max-height:min(48vh,430px)}}@media (width<=480px){.brand-mark{width:40px;height:40px}.brand-name{font-size:16px}.welcome-title h1{font-size:27px}.model-id-row{gap:8px}.model-id-btn{padding:0 12px}#top-bar{gap:8px;padding-left:8px;padding-right:8px}.toolbar-title{font-size:12px}.toolbar-offset{font-size:10px}.toolbar-right{gap:6px;max-width:60vw}.toolbar-btn{width:38px;min-width:38px;height:38px}.toolbar-btn svg{width:20px;height:20px}.toolbar-quality-select{min-width:74px;height:38px;padding-left:10px;padding-right:28px;font-size:12px}.model-library-header{flex-direction:column;align-items:stretch}.model-library-header-actions{justify-content:space-between}.model-library-card-main{align-items:flex-start}.model-library-thumb{width:80px;min-width:80px;height:80px}.model-library-actions{flex-wrap:wrap;justify-content:stretch}.model-library-action-btn{flex:1}#params-panel{border-radius:14px;width:auto;max-height:calc(100vh - 82px);top:70px;left:10px;right:10px}.params-content{max-height:calc(100vh - 136px)}}