@charset "UTF-8";
:root{--ink:#202a40;--muted:#717c91;--blue:#2c5bff;--blue-dark:#1744dc;--line:#e5e9f1;--background:#f5f7fb;--white:#fff;--radius:18px;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--background);font-size:16px}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #a9bdff;outline-offset:3px}button{transition:background .16s,color .16s,transform .16s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}h1,h2,h3,p{margin:0}.app-shell{display:flex;min-height:100vh}.sidebar{width:216px;flex:0 0 216px;background:white;border-right:1px solid var(--line);padding:34px 22px 22px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;font-size:24px;letter-spacing:1px;font-weight:750;padding-left:8px}.brand small{display:block;font-size:10px;letter-spacing:2px;line-height:1.6;color:#8190ad;font-weight:600}.brand-mark{display:grid;place-items:center;background:var(--blue);color:white;width:44px;height:44px;border-radius:13px;font-size:36px;line-height:1;font-weight:500;box-shadow:0 6px 14px #2c5bff22}.workspace-label{margin:53px 10px 15px;font-size:12px;color:#8993a6;letter-spacing:.08em}.nav-item{background:transparent;border:0;padding:13px 14px;color:#69748a;display:flex;align-items:center;gap:10px;width:100%;text-align:left;font-size:14px;border-radius:10px;margin-bottom:8px}.nav-item.active{background:#edf2ff;color:#244edf;font-weight:650}.nav-item:hover{background:#f2f5fb}.nav-icon{font-size:22px;font-weight:400;line-height:1}.nav-count{margin-left:auto;font-size:12px;background:#edf0f5;border-radius:5px;min-width:21px;padding:2px 5px;text-align:center}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:22px}.personal-label{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:650}.personal-label small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:5px}.avatar{display:grid;place-items:center;border-radius:50%;background:#edf1f8;color:#647392;width:34px;height:34px;font-size:12px;flex-shrink:0}.logout{margin:16px 0 0 43px}.main{margin-left:216px;flex:1;min-width:0}.topbar{height:76px;padding:0 42px;display:flex;align-items:center;justify-content:space-between;font-size:13px;border-bottom:1px solid var(--line);background:#ffffffa8;color:#63718a}.topbar span span{margin:0 13px;color:#c1c7d2}.mode-chip{border:1px solid #dce3f0;background:white;padding:6px 11px;border-radius:7px;font-size:12px;white-space:nowrap}.local-banner{margin:22px 42px 0;padding:13px 17px;display:flex;align-items:center;gap:12px;border:1px solid #dce5fa;background:#edf3ff;color:#566c9a;border-radius:10px;font-size:12px;line-height:1.6}.local-banner strong{font-size:13px;margin-right:12px;color:#3d5683}.banner-icon{font-size:19px}.content{padding:34px 42px 0;max-width:1540px;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.eyebrow{font-size:10px;letter-spacing:2px;color:#7e8dad;font-weight:650;margin-bottom:9px}h1{font-size:30px;font-weight:650;letter-spacing:-.8px;line-height:1.4}h1 span{color:var(--blue)}.page-heading p{color:var(--muted);font-size:14px;margin-top:9px}.text-button{border:0;background:transparent;padding:6px 0;color:#697791;font-size:13px;white-space:nowrap}.text-button:hover{color:var(--blue)}.sample-btn{font-size:13px;display:flex;gap:16px;padding:10px 0}.sample-btn span{color:var(--blue);font-size:20px}.editor-grid{display:grid;grid-template-columns:minmax(340px,0.95fr) minmax(360px,1.1fr);gap:22px;align-items:stretch}.card{border:1px solid var(--line);background:white;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px #22335d03}.card-top{display:flex;align-items:center;gap:11px;min-height:68px;padding:0 24px;border-bottom:1px solid #eef0f5}.card-top h2{font-size:15px;font-weight:650}.step{font-size:11px;color:#96a1b7;border:1px solid #e7ebf2;border-radius:6px;line-height:23px;width:26px;text-align:center;font-variant-numeric:tabular-nums}.file-size{margin-left:auto;font-size:11px;color:#929bb0}.tabs{display:flex;gap:22px;margin:0 24px;border-bottom:1px solid var(--line);height:49px}.tab{background:none;border:0;border-bottom:2px solid transparent;color:#8490a5;font-size:13px;padding:0 2px;margin-bottom:-1px}.tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:600}.dropzone{margin:20px 24px;border:1.5px dashed #ccd8ef;background:#f8faff;min-height:243px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;transition:background .15s,border-color .15s;padding:22px 12px;gap:7px}.dropzone.dragover{background:#ebf1ff;border-color:var(--blue)}.dropzone.loaded{background:#f3f7ff;border-style:solid;border-color:#cad8ff}.upload-symbol{height:54px;width:54px;background:#eaf0ff;border-radius:14px;display:grid;place-items:center;margin-bottom:10px;transform:rotate(-6deg)}.upload-symbol svg{width:32px;height:32px;fill:none;stroke:var(--blue);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.dropzone strong{font-size:15px;font-weight:600;overflow-wrap:anywhere;max-width:100%}.dropzone>span{font-size:12px;color:#8a96ab}.dropzone .button{margin-top:8px;font-size:12px;min-height:35px;padding:8px 17px}.dropzone .drop-footnote{font-size:10px;margin-top:7px;color:#a0aabd}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:42px;padding:11px 20px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:550;line-height:1.4}.button.primary{background:var(--blue);color:white;box-shadow:0 3px 7px #2c5bff12}.button.primary:hover:not(:disabled){background:var(--blue-dark)}.button.secondary{background:white;border-color:#dce3ee;color:#526783}.button.secondary:hover{background:#f5f8ff;border-color:#b4c5eb}.code-editor{display:block;width:calc(100% - 48px);height:243px;margin:20px 24px;padding:17px;border:1px solid #dfe5ee;border-radius:10px;resize:vertical;background:#f8faff;color:#35527c;line-height:1.7;font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}.code-editor::placeholder{color:#9aa6bb}.title-field{margin:0 24px}.title-field label,.modal label{display:block;font-size:13px;color:#525f76;margin-bottom:9px;font-weight:550}input{width:100%;border:1px solid #e0e5ed;background:white;border-radius:8px;padding:12px 13px;min-height:43px;font-size:13px;color:var(--ink)}input::placeholder{color:#a1aabd}input:focus,textarea:focus{border-color:#9aaffb}.editor-note{display:flex;align-items:flex-start;margin:14px 24px 22px;gap:7px;color:#8d97a9;font-size:11px;line-height:1.7}.editor-note>span{font-size:13px}.publish-footer{padding:20px 24px;border-top:1px solid #edf0f5;background:#fcfdff}.publish{width:100%;justify-content:space-between;padding-left:19px;padding-right:18px}.publish span{font-size:20px;line-height:16px}.publish-footer p{text-align:center;font-size:11px;color:#8d9ab0;margin-top:10px}.publish-footer>.text-button{display:block;margin:10px auto 0}.preview-card{display:flex;flex-direction:column;min-width:0}.view-switch{margin-left:auto;display:flex;padding:3px;background:#f4f6f9;border:1px solid #edf0f5;border-radius:7px;gap:2px}.view-switch button{border:0;background:transparent;color:#96a2b6;width:31px;height:27px;border-radius:4px;display:grid;place-items:center}.view-switch button.active{background:white;color:#47618e;box-shadow:0 1px 4px #273d6012}.view-switch svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.preview-toolbar{display:flex;align-items:center;gap:14px;height:41px;margin:20px 20px 0;background:#f6f8fb;border:1px solid #e6eaf2;border-bottom:0;border-radius:9px 9px 0 0;padding:0 12px;font-size:10px;color:#94a0b4}.window-dots{display:flex;gap:4px}.window-dots i{width:5px;height:5px;border-radius:50%;background:#cfd6e2}.window-dots i:first-child{background:#e6c0bb}.window-dots i:nth-child(2){background:#e6d7ae}.window-dots i:nth-child(3){background:#bdd7ca}#preview-name{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.preview-live{font-size:9px;padding:2px 5px;border:1px solid #dfe5ef;border-radius:4px}.preview-stage{margin:0 20px;background-color:#f9fbfe;background-image:radial-gradient(#dce4f2 .7px,transparent .7px);background-size:14px 14px;border:1px solid #e6eaf2;border-radius:0 0 9px 9px;position:relative;flex:1;min-height:420px;display:flex;justify-content:center;overflow:hidden}.preview-stage iframe{width:100%;height:100%;min-height:440px;background:white;border:0;position:absolute;inset:0;transition:width .2s}.preview-stage.mobile iframe{width:min(100%,375px);left:50%;transform:translateX(-50%);border-left:1px solid var(--line);border-right:1px solid var(--line)}.preview-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;width:100%;padding:30px;min-height:440px}.empty-page{position:relative;border:1px solid #dae2f0;background:white;border-radius:9px;width:74px;height:92px;box-shadow:5px 6px 0 #eef2fa;margin-bottom:26px;padding:23px 14px;transform:rotate(-5deg)}.empty-page div{height:4px;border-radius:3px;background:#e5ebf7;margin-bottom:8px}.empty-page div:first-child{background:#9fb6ff;width:65%}.empty-page div:last-of-type{width:75%}.empty-page span{position:absolute;right:-12px;bottom:-10px;display:grid;place-items:center;width:31px;height:31px;border-radius:8px;color:var(--blue);background:#e8eeff;border:3px solid #f9fbfe;font-size:21px}.preview-empty h3{font-size:15px;font-weight:500;color:#71819d;margin-bottom:9px}.preview-empty p{font-size:12px;color:#a0abc0;line-height:1.9}.preview-caption{padding:19px 24px 21px;display:flex;justify-content:space-between;gap:8px;font-size:10px;color:#93a0b5}.recent-section{margin-top:29px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.section-heading h2{font-size:15px;font-weight:600}.section-heading h2 span{color:#a3adc0;font-size:12px;margin-left:7px}.demo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.demo-card{background:white;border:1px solid var(--line);border-radius:12px;padding:19px;min-width:0}.demo-top{display:flex;align-items:center;gap:12px;margin-bottom:17px}.demo-icon{background:#eff3ff;color:#6986db;display:grid;place-items:center;width:38px;height:43px;border-radius:8px;font-size:17px;flex-shrink:0}.demo-info{min-width:0}.demo-info h3{font-size:14px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.demo-info p{font-size:11px;color:#8e9ab0;margin-top:7px}.demo-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #f0f2f6;padding-top:11px}.demo-actions button{font-size:12px}.demo-actions .share-action{color:var(--blue);font-weight:550}.demo-actions .delete-action{font-size:11px;color:#9aa3b3}.demo-actions .delete-action:hover{color:#b44454}.recent-empty{border:1px dashed #dfe5ef;border-radius:12px;padding:28px;color:#98a3b7;font-size:13px;text-align:center}.library-empty{text-align:center;padding:90px 20px;color:#8996ae}.library-empty h2{font-size:20px;color:#5d6f90;margin-bottom:12px;font-weight:500}.library-empty p{font-size:14px;margin-bottom:25px}.page-footer{display:flex;justify-content:space-between;padding:30px 42px;font-size:10px;color:#9ba6ba;max-width:1540px;margin:auto}.resource-notice{margin:0 24px 17px;color:#8b691e;background:#fff7e7;border:1px solid #f2e3bd;border-radius:7px;padding:10px 12px;font-size:12px;line-height:1.7}.modal{border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 24px 100px #16285333;width:min(480px,calc(100% - 32px));color:var(--ink)}.modal::backdrop{background:#17254455;backdrop-filter:blur(5px)}.modal h2{font-size:23px;font-weight:650;line-height:1.5}.modal p{color:var(--muted);font-size:14px;line-height:1.8;margin:10px 0 22px}.modal input{font-size:14px}.modal .eyebrow{margin-top:18px}.close-dialog{position:absolute;top:15px;right:17px;border:0;background:transparent;font-size:24px;color:#8996aa;width:32px;height:32px}.success-symbol{width:50px;height:50px;border-radius:15px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center;font-size:27px}.share-url-row{display:flex;gap:8px}.share-url-row input{min-width:0;font-size:12px;background:#f7f9fd}.modal .share-footnote{font-size:12px;margin:10px 0 24px}.full-width{width:100%}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.button.danger{background:#c44454;color:white}.login-modal .brand-mark{margin-bottom:24px}.login-modal .button{width:100%;margin-top:12px}.form-error{font-size:13px;color:#ba4454;min-height:22px;margin-top:10px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);padding:13px 22px;border:1px solid #263b61;background:#223552;color:white;font-size:14px;border-radius:10px;z-index:100;box-shadow:0 9px 26px #12244230;max-width:calc(100vw - 32px);line-height:1.6}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1450px){.content{padding-top:42px}.page-heading{margin-bottom:34px}h1{font-size:34px}.dropzone,.code-editor{min-height:278px}.preview-stage{min-height:460px}}
@media(max-width:1180px){.sidebar{width:185px;flex-basis:185px;padding:28px 16px}.main{margin-left:185px}.topbar{padding:0 26px}.content{padding:28px 26px 0}.local-banner{margin:18px 26px 0}.local-banner strong{display:block}.editor-grid{grid-template-columns:minmax(290px,1fr) minmax(290px,1fr);gap:16px}h1{font-size:27px}.card-top{padding:0 18px}.file-size{font-size:10px}.tabs{margin:0 18px}.dropzone{margin:18px}.code-editor{margin:18px;width:calc(100% - 36px)}.title-field{margin:0 18px}.editor-note{margin-left:18px;margin-right:18px}.publish-footer{padding:18px}.preview-toolbar{margin:18px 14px 0}.preview-stage{margin:0 14px}.preview-caption{padding:18px 15px;font-size:9px}.page-footer{padding:26px}.demo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:940px){.sidebar{width:76px;flex-basis:76px;padding:26px 10px}.main{margin-left:76px}.brand{padding:0;justify-content:center}.brand>span:last-child,.workspace-label,.sidebar-bottom,.nav-count{display:none}.sidebar nav{margin-top:38px}.nav-item{font-size:0;justify-content:center;padding:14px 0}.nav-icon{font-size:24px}.file-size{font-size:9px}.editor-grid{grid-template-columns:minmax(285px,1fr) minmax(275px,1fr)}}
@media(max-width:740px){.sidebar{position:static;width:100%;padding:17px 20px;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line)}.app-shell{display:block}.brand{font-size:19px;gap:9px}.brand>span:last-child{display:block}.brand-mark{width:34px;height:34px;font-size:28px;border-radius:10px}.brand small{font-size:8px}.sidebar nav{display:flex;margin:0;gap:5px}.nav-item{padding:9px 12px;margin:0;font-size:12px;white-space:nowrap;gap:5px}.nav-icon{font-size:18px}.main{margin:0}.topbar{height:55px;padding:0 20px;font-size:11px}.mode-chip{font-size:10px;padding:4px 8px}.content{padding:25px 20px 0}.local-banner{margin:16px 20px 0;font-size:11px;padding:11px 13px;align-items:flex-start}.local-banner strong{font-size:12px}.page-heading{align-items:flex-start;margin-bottom:23px;gap:12px}.page-heading p{font-size:12px;line-height:1.7}.eyebrow{font-size:9px}h1{font-size:25px;letter-spacing:-.6px}.sample-btn{font-size:11px;gap:5px;margin-top:21px}.editor-grid{grid-template-columns:1fr}.file-size{font-size:11px}.card-top{min-height:61px}.preview-stage{height:410px;min-height:410px;flex:auto}.preview-stage iframe{min-height:410px}.preview-empty{min-height:410px}.demo-grid{grid-template-columns:1fr}.page-footer{padding:25px 20px;font-size:9px}.modal{padding:28px}.modal h2{font-size:21px}.library-grid{grid-template-columns:1fr}.library-empty{padding:55px 0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.upload-buttons{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}.bundle-help{font-size:11px;color:var(--muted);line-height:1.7;margin-top:8px}.title-field select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--ink);font:inherit;font-size:13px}.bundle-summary{padding:28px;width:100%;min-height:440px}.bundle-summary h3{font-size:17px;color:var(--ink);margin-bottom:10px}.bundle-summary p{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:20px}.bundle-summary ul{list-style:none;margin:0;padding:0;max-height:330px;overflow:auto;border-top:1px solid var(--line)}.bundle-summary li{padding:9px 0;border-bottom:1px solid var(--line);font-size:11px;font-family:ui-monospace,monospace;color:#667793;overflow-wrap:anywhere}.manifest-link{display:block;text-align:center;margin-top:12px}