:root{--bg:#f6f7fa;--ink:#212639;--muted:#737b8e;--line:#e7e9f0;--accent:#4454e8;--tint:#eef0ff;--paper:#fff;--radius:10px;color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:4px}button{cursor:pointer;transition:background .16s,transform .16s}button:disabled{cursor:wait;opacity:.5}button:hover:not(:disabled){filter:brightness(.96)}button:active:not(:disabled){transform:translateY(1px)}button{border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.topbar{height:82px;border-bottom:1px solid var(--line);background:white;display:flex;align-items:center;justify-content:space-between;padding:0 32px;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:24px;font-weight:750;letter-spacing:-.9px}.brand-mark{width:38px;height:42px;background:var(--accent);border-radius:9px;color:white;padding:6px 10px;font-family:Georgia;font-size:28px;position:relative}.brand-mark span{position:absolute;right:2px;top:0;font-size:18px}.brand-sub{display:block;font-size:12px;letter-spacing:.3px;color:var(--muted);font-weight:500;margin-top:3px}.project-name{display:flex;gap:14px;align-items:center;font-size:14px}.pill{background:#f4f5f8;color:var(--muted);padding:6px 9px;border-radius:5px;font-size:12px}.top-actions{display:flex;align-items:center;gap:8px}.quiet{padding:9px 12px;color:#626b80;font-size:14px}.icon-button{border:1px solid var(--line);border-radius:8px;width:34px;height:34px;font-size:20px;background:white}.work-intro{display:flex;align-items:center;gap:30px;margin:31px 32px 26px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--accent);font-weight:700}h1{font-size:27px;letter-spacing:-1px;font-weight:700;margin:7px 0 0}.work-intro p{font-size:14px;color:var(--muted);margin:21px 0 0}.work-intro>.text-button{margin-left:auto}.text-button{font-size:14px;color:var(--accent);padding:5px 0;font-weight:550}.small{font-size:12px}.workspace{display:grid;grid-template-columns:minmax(270px,.84fr) minmax(300px,.95fr) minmax(390px,1.55fr);gap:0;border:1px solid var(--line);margin:0 32px;border-radius:14px;overflow:hidden;background:white;min-height:720px}.panel{padding:25px 22px;border-right:1px solid var(--line)}.panel-heading{display:flex;align-items:center;gap:9px}.step{font-size:12px;color:var(--accent);font-weight:750;background:var(--tint);width:27px;height:27px;border-radius:7px;display:inline-grid;place-items:center;flex-shrink:0}h2{font-size:17px;letter-spacing:-.4px;margin:0;font-weight:700}h3{font-size:14px;margin:0}.count{margin-left:auto;background:#f2f3f7;font-size:12px;padding:3px 7px;border-radius:5px}.panel-desc{font-size:13px;color:var(--muted);margin:11px 0 24px}.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:22px}.tabs button{flex:1;font-size:14px;padding:11px 3px;border-bottom:2px solid transparent;color:var(--muted)}.tabs button[aria-selected=true]{color:var(--accent);font-weight:650;border-color:var(--accent)}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1.5px dashed #cbd1ed;border-radius:9px;background:#f9faff;min-height:210px;gap:8px;cursor:pointer;font-size:14px;padding:14px}.dropzone.drag{background:#e9edff;border-color:var(--accent)}.dropzone .upload-icon{background:white;color:var(--accent);border:1px solid #e2e6ff;font-size:28px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:8px}.dropzone strong{font-size:14px;font-weight:550}.dropzone span{color:var(--muted);font-size:13px}.dropzone b{color:var(--accent);font-weight:500}.dropzone small{font-size:11px;margin-top:9px}.section-label{display:flex;justify-content:space-between;font-size:13px;font-weight:650;margin:28px 0 13px}.section-label span{font-size:11px;color:var(--muted);font-weight:400}.empty-source{padding:30px 8px 25px;text-align:center;color:var(--muted);font-size:13px}.empty-source>span{font-size:30px;color:#bbc1d1}.empty-source small{font-size:12px}.source-note{border-top:1px solid var(--line);margin-top:35px;padding-top:15px;display:flex;gap:9px;font-size:12px;color:var(--muted)}.source-note p{margin:0;line-height:1.8}.source-note>span{font-size:25px;color:#909ab9}.source-item{display:flex;gap:10px;padding:13px 10px;border:1px solid var(--line);border-radius:8px;margin:9px 0;align-items:center;min-width:0}.file-badge{background:var(--tint);color:var(--accent);padding:10px 6px;border-radius:6px;font-size:10px;font-weight:700}.source-item>div{min-width:0;flex:1}.source-item strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.source-item small{font-size:11px}.source-item button{color:#99a0b0}.label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}.label-row label{margin:0}label{display:block;font-size:13px;font-weight:550;margin:17px 0 8px}input,textarea,select{width:100%;border:1px solid #e0e3eb;background:white;border-radius:7px;padding:10px 12px;font-size:14px;color:var(--ink)}input::placeholder,textarea::placeholder{color:#a0a6b3}textarea{resize:vertical;line-height:1.7}input[type=color]{height:38px;padding:4px}input[type=range]{padding:0}input[type=checkbox]{width:auto}small,.muted{color:var(--muted);line-height:1.7;font-size:13px}.tab-panel>small{display:block;margin-top:12px}.tab-panel .secondary{margin-top:12px}.section-space{margin-top:25px}.chapter-list{font-size:13px}.chapter{display:flex;align-items:center;gap:6px;margin:6px 0;padding:4px 0;border-bottom:1px solid #f1f2f5}.chapter>span{font-size:11px;color:#939caf}.chapter input{border:0;font-size:13px;padding:7px 5px;background:transparent}.chapter button{font-size:12px;color:var(--muted);padding:3px}.chapter.done>span{color:#318c74}.generate-box{border-top:1px solid var(--line);margin-top:24px;padding-top:17px}.generate-box>div{font-size:11px;color:var(--muted);margin-bottom:10px}.primary,.secondary{padding:11px 15px;border-radius:7px;font-size:14px;font-weight:550}.primary{background:var(--accent);color:white;box-shadow:0 4px 8px #4454e81a}.secondary{background:white;border:1px solid var(--line)}.wide{width:100%}.generate-box small{display:block;text-align:center;margin:10px 0;font-size:11px}progress{width:100%;height:6px;accent-color:var(--accent)}.preview-panel{background:#edf0f5;display:flex;flex-direction:column;min-width:0}.preview-toolbar{background:#fafbfc;min-height:72px;border-bottom:1px solid var(--line);padding:17px 22px;display:flex;align-items:center;justify-content:space-between;gap:10px}.preview-toolbar>div{display:flex;align-items:center;gap:10px}.live-label{color:#8994a8;font-size:10px;letter-spacing:1px}.preview-toolbar .secondary{font-size:12px;padding:9px 12px}.preview-stage{padding:18px 30px 24px;flex:1;display:flex;flex-direction:column}.paper-label{display:flex;justify-content:space-between;font-size:11px;color:#9199ac;padding-bottom:12px}iframe{border:0;background:white;width:100%;min-height:580px;flex:1;box-shadow:0 12px 35px #252e4914;border-radius:2px}.preview-bottom{font-size:11px;color:#8c96ab;display:flex;justify-content:space-between;padding:0 28px 20px;gap:10px}.app-footer{display:flex;justify-content:space-between;padding:20px 33px;font-size:10px;letter-spacing:1.2px;color:#929bac}.app-footer span span{padding:0 10px;color:#c9cdda}#usage{letter-spacing:0}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.preset{border:1px solid var(--line);padding:10px;border-radius:8px;text-align:left;font-size:12px;display:flex;align-items:center;gap:8px}.preset.active{border-color:var(--accent);background:var(--tint)}.swatch{width:25px;height:30px;border-radius:3px;display:grid;place-items:center;font-family:Georgia;color:white}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}dialog{border:1px solid var(--line);border-radius:16px;padding:24px;width:min(560px,calc(100% - 32px));color:var(--ink);max-height:90vh;box-shadow:0 20px 80px #101a3833}dialog::backdrop{background:#14213d66;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}#modalBody p{font-size:14px;line-height:1.8}#modalBody a{color:var(--accent);text-decoration:underline}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);background:#252d43;color:white;border-radius:10px;padding:13px 22px;font-size:14px;box-shadow:0 6px 24px #18213a22;transition:transform .2s;z-index:10;max-width:90vw}#toast.show{transform:translateX(-50%) translateY(0)}.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.export-card{text-align:left;padding:20px;border:1px solid var(--line);border-radius:10px}.export-card b{display:block;margin-bottom:9px;font-size:18px;color:var(--accent)}.export-card small{font-size:12px}.error{color:#b63a43!important}.notice{padding:12px;background:#f2f4fc;border-radius:8px;font-size:13px;line-height:1.8}.reader-open{position:fixed!important;inset:0!important;margin:0;z-index:20;border-radius:0!important}.reader-open .preview-stage{padding:15px max(20px,calc((100vw - 900px)/2));overflow:hidden}.reader-open iframe{height:calc(100vh - 160px);min-height:0}.reader-open .preview-bottom{display:none}@media(min-width:1700px){.workspace{grid-template-columns:340px 360px 1fr;max-width:1800px;margin:auto}.work-intro,.topbar,.app-footer{padding-left:max(32px,calc((100vw - 1800px)/2));padding-right:max(32px,calc((100vw - 1800px)/2))}}@media(max-width:1100px){.workspace{margin:0 18px;grid-template-columns:1fr 1fr}.preview-panel{grid-column:1/-1}.preview-stage{padding:25px max(30px,calc((100vw - 720px)/2))}.project-name{display:none}.work-intro{margin:25px 20px}.work-intro p{display:none}.topbar{padding:0 20px}.preview-toolbar{min-height:65px}}@media(max-width:650px){.topbar{height:auto;padding:16px;flex-wrap:wrap;gap:10px}.brand{font-size:22px}.brand-sub{display:none}.top-actions{gap:0}.quiet{padding:6px;font-size:12px}.work-intro{gap:12px}.work-intro h1{font-size:22px}.work-intro>.text-button{font-size:12px}.workspace{grid-template-columns:1fr;margin:0 12px}.panel{border-right:0;border-bottom:1px solid var(--line)}.preview-panel{grid-column:auto}.preview-stage{padding:16px}.app-footer{padding:20px 15px;flex-wrap:wrap;gap:12px}.eyebrow{font-size:9px}.preview-toolbar{padding:15px}.preview-toolbar h2{font-size:15px}.live-label{display:none}iframe{min-height:560px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Cobalt workspace */
:root{--bg:#0647b9;--accent:#084ac5;--tint:#edf3ff;--ink:#162b49;--muted:#64768c;--line:#dae4f1}
body{background:#0647b9}.app-sidebar{position:fixed;left:0;top:0;bottom:0;width:204px;background:#053895;border-right:1px solid #ffffff20;color:#fff;display:flex;flex-direction:column;padding:28px 18px;z-index:5}.app-sidebar .brand{font-size:22px;letter-spacing:-1px;gap:9px}.app-sidebar .brand-mark{background:#fff;color:#0647b9}.app-sidebar .brand-sub{color:#a7c9ff;font-size:9px;letter-spacing:1.3px;margin-top:5px}.sidebar-label{font-size:10px;letter-spacing:1.8px;color:#9abffb;margin:48px 12px 16px}.side-link{display:flex;align-items:center;gap:12px;text-align:left;width:100%;padding:13px 12px;border-radius:7px;color:#c6dcff;font-size:14px;margin-bottom:5px}.side-link.active{background:#ffffff;color:#1149a6;box-shadow:0 6px 14px #00245a24}.sidebar-quote{font-size:24px;line-height:1.5;letter-spacing:-.8px;margin:50px 12px;color:white}.sidebar-quote small{display:block;font-size:9px;letter-spacing:2px;line-height:1.8;color:#8cb4f5;margin-top:17px}.sidebar-bottom{margin-top:auto}.sidebar-bottom>small{font-size:9px;letter-spacing:1px;color:#8fb5f4;display:block;padding-left:12px;margin-top:20px}.sidebar-provider{font-size:11px;color:#accbff;margin:16px 12px;display:flex;gap:7px;align-items:center}.provider-dot{width:6px;height:6px;background:#e7b28c;border-radius:50%}.app-main{margin-left:204px;min-width:0}.topbar{height:72px;background:#0641aa;border-bottom:1px solid #ffffff24;padding:0 24px;color:white;gap:16px}.topbar .project-name{display:flex;flex:1;min-width:0;gap:12px}.project-name>small{font-size:12px;white-space:nowrap;color:#a9c8ff}#projectName{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.topbar .pill{background:#ffffff12;color:#bcdaff;font-size:10px;white-space:nowrap}.topbar .quiet{color:#c7ddff;font-size:12px}.header-export{font-size:12px;padding:9px 11px;border:1px solid #ffffff38;border-radius:6px;color:white}.work-intro{margin:24px 24px 22px;justify-content:space-between}.work-intro .eyebrow{color:#a0c5ff;font-size:10px;letter-spacing:1.8px}.work-intro h1{font-size:25px;color:white;font-weight:600;letter-spacing:-.8px;margin-top:8px}.intro-badge{font-size:10px;letter-spacing:1.4px;border:1px solid #ffffff38;color:#c2dcff;border-radius:5px;padding:8px 10px}.workspace{margin:0 24px;grid-template-columns:minmax(235px,.9fr) minmax(270px,1fr) minmax(340px,1.5fr);border:1px solid #ffffff33;border-radius:12px;box-shadow:0 20px 50px #00246938;min-height:calc(100vh - 228px);position:relative}.panel{padding:22px 19px;min-width:0;background:#fff;max-height:calc(100vh - 230px);overflow:auto;scrollbar-width:thin;scrollbar-color:#ccdaed transparent}.panel-heading h2{font-size:17px}.panel-desc{font-size:12px;margin-bottom:18px}.dropzone{margin:0;min-height:196px;background:#f4f8ff;border-color:#b9ccea}.dropzone .upload-icon{background:#e5eeff;border:0;color:#205bc6;font-size:29px}.dropzone strong{font-size:14px}.dropzone small{font-size:10px;margin-top:2px}.format-tags{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;margin-top:9px}.format-tags span{font-size:9px;background:white;border:1px solid #e1e8f3;color:#7f8ca3;border-radius:3px;padding:3px 4px}.section-label{margin-top:23px}.source-note{margin-top:25px}details{border-top:1px solid var(--line);padding-top:14px}summary{font-size:14px;font-weight:600;cursor:pointer;line-height:1.7}summary small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-left:15px}.outline-block{margin-top:24px;border-top:1px solid var(--line)}.outline-block h3{display:flex;align-items:center;gap:8px;font-size:15px}.outline-block>.text-button{margin-right:12px}.config-panel #bookTitle{font-weight:600}.config-panel #suggestTitle{font-size:11px}.config-panel #suggestAll{margin-top:12px;font-size:12px}.config-panel label{font-size:13px}.config-panel #config-design{margin-top:22px}.preset-grid{margin-top:14px}.preset{padding:10px 7px;font-size:11px;gap:7px}.preset small{font-size:10px;display:block;margin-top:3px}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}.theme-button{border:1px solid var(--line);border-radius:6px;padding:7px 3px;font-size:10px}.theme-button>span{display:block;font-family:Georgia;font-size:17px;margin:3px}.theme-button.active{outline:2px solid var(--accent);outline-offset:1px}.motif-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:12px 0}.motif-grid button{border:1px solid var(--line);padding:8px 3px;border-radius:6px;font-size:12px}.motif-grid button.active{background:var(--tint);color:var(--accent);border-color:var(--accent)}.model-indicator{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding-top:15px;margin-top:24px;font-size:12px}.model-indicator button{max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.generate-box{border-top:0;margin-top:10px;padding-top:0}.preview-panel{background:#d9e6fb;min-height:0;max-height:calc(100vh - 230px)}.preview-toolbar{background:#edf3fd;padding:17px 15px}.preview-toolbar h2{font-size:14px}.preview-toolbar .quiet{font-size:11px;padding:4px}.preview-stage{padding:14px 20px 20px;min-height:0}.paper-label{color:#637da4}.preview-stage iframe{min-height:490px;height:100%;box-shadow:0 8px 25px #113a6c22}.preview-bottom{color:#587399;font-size:10px;padding:0 20px 17px}.app-footer{color:#b4d1ff;font-size:9px;padding:18px 25px;letter-spacing:1.3px}.resize-handle{position:absolute;top:0;bottom:0;width:10px;margin-left:-5px;z-index:3;cursor:col-resize;touch-action:none}.resize-handle:hover,.resize-handle:focus{background:#2669dc55;outline:0}.reader-open{max-height:none;z-index:25}.reader-open .preview-stage iframe{height:calc(100vh - 125px)}.reader-open .preview-toolbar{flex-shrink:0}.reader-open .preview-stage{flex:1}.prompt-types{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:14px 0}.prompt-types button{border:1px solid var(--line);border-radius:6px;font-size:12px;padding:8px}.prompt-types .active{background:var(--tint);border-color:var(--accent)}.guide-list details{margin:14px 0}.guide-list p,.guide-list li{font-size:14px;line-height:1.9}.guide-list ul{padding-left:20px}#generationStatus{white-space:normal}.chapter input{font-size:13px}.chapter button{font-size:13px}input,textarea,select{font-size:14px}#modalBody #coverPrompt{font-size:13px}.dialog-head h2{font-size:19px}
@media(min-width:1700px){.workspace{max-width:none;margin:0 28px;grid-template-columns:300px 340px 1fr}.work-intro{padding:0}.topbar,.app-footer{padding-left:28px;padding-right:28px}}
@media(max-width:1250px) and (min-width:901px){.app-sidebar{width:174px;padding:25px 12px}.app-sidebar .brand{font-size:20px}.app-main{margin-left:174px}.side-link{font-size:13px;padding:12px 8px}.sidebar-quote{font-size:21px;margin:40px 8px}.topbar{padding:0 18px}.topbar .pill{display:none}.workspace{margin:0 18px;grid-template-columns:minmax(210px,.8fr) minmax(240px,.95fr) minmax(260px,1.2fr)}.panel{padding:18px 14px}.work-intro{margin:22px 18px}.preview-panel{grid-column:auto}.preview-stage{padding:12px}.preview-toolbar{padding:12px;flex-wrap:wrap;gap:8px}.header-export{padding:8px}.topbar .quiet{display:none}.topbar .project-name>small{display:none}.preview-stage iframe{min-height:480px}.preview-toolbar .quiet{display:none}}
@media(max-width:1050px) and (min-width:901px){.workspace{grid-template-columns:1fr 1fr}.source-panel,.config-panel{max-height:630px}.preview-panel{grid-column:1/-1;max-height:none}.preview-stage{padding:20px}.preview-stage iframe{min-height:650px}.resize-handle{display:none}.sidebar-quote{margin-top:30px}}
@media(max-width:900px){.app-sidebar{position:static;width:100%;height:auto;flex-direction:row;align-items:center;padding:14px 18px;gap:18px}.app-sidebar .brand{font-size:22px;flex-shrink:0}.app-sidebar nav{display:flex;margin-left:auto}.side-link{width:auto;margin:0;padding:9px;font-size:12px;white-space:nowrap}.sidebar-label,.sidebar-quote,.sidebar-bottom{display:none}.app-main{margin-left:0}.topbar{height:58px;padding:0 18px}.topbar .project-name{display:flex}.topbar .project-name small,.topbar .pill{display:none}.top-actions{gap:6px}.topbar .quiet{display:none}.workspace{grid-template-columns:1fr 1fr;margin:0 16px}.panel{max-height:650px}.preview-panel{grid-column:1/-1;max-height:none}.preview-stage{padding:20px}.preview-stage iframe{min-height:650px}.resize-handle{display:none}.work-intro{margin:22px 18px}.work-intro h1{font-size:23px}.intro-badge{font-size:9px}.app-footer{padding:18px}.preview-toolbar{flex-wrap:nowrap}.reader-open .preview-stage{padding:10px}}
@media(max-width:600px){.app-sidebar{flex-wrap:wrap;gap:12px;padding:16px}.app-sidebar nav{margin:0;width:100%;justify-content:space-between}.app-sidebar .brand-sub{display:block}.side-link{padding:9px 10px}.topbar .project-name{font-size:13px;max-width:36%}.header-export{font-size:10px;padding:8px}.work-intro{margin:24px 16px 20px}.work-intro h1{font-size:21px}.eyebrow{font-size:8px!important}.intro-badge{display:none}.workspace{grid-template-columns:1fr;margin:0 12px}.panel{max-height:none;padding:24px 20px}.preview-panel{grid-column:auto}.preview-stage{padding:12px}.preview-stage iframe{min-height:620px}.topbar{flex-wrap:nowrap}.preset{font-size:13px}.theme-button{font-size:12px}.app-footer{line-height:1.8}.reader-open .preview-toolbar{flex-wrap:wrap}.reader-open .preview-stage iframe{min-height:0;height:calc(100dvh - 140px)}}
/* Background matched to Jinsung Academy teacher resources */
:root{--bg:#0e1730;--accent:#0047ab;--tint:#eaf2ff}body{background:#0e1730}.app-sidebar{background:#0e1730}.topbar{background:#0e1730}.app-sidebar .brand-mark{color:#0047ab}.app-sidebar .side-link.active{color:#0047ab}
.preset{font-size:13px}.theme-button{font-size:12px}.panel-desc{font-size:14px}.panel label{font-size:14px}.motif-grid button{font-size:14px}.source-item strong{font-size:14px}.chapter input{font-size:14px}.tab-panel>small{font-size:12px}.dialog-actions{flex-wrap:wrap}.topbar .quiet{display:inline-block}@media(max-width:650px){.topbar .quiet{display:none}}

/* JH identity and explicit file picker */
.app-sidebar .brand-mark{width:44px;height:44px;min-width:44px;padding:0;display:grid;place-items:center;border-radius:9px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;font-size:18px;font-weight:800;letter-spacing:-1.2px;line-height:1}
.dropzone{cursor:default}
.file-select-button{display:inline-flex;align-items:center;justify-content:center;min-width:154px;min-height:44px;padding:10px 20px;margin:5px 0 0;border:1px solid #0047ab;border-radius:8px;background:#0047ab;color:#fff;font-size:14px;font-weight:700;box-shadow:0 5px 12px #0047ab24}
.file-select-button:hover:not(:disabled){background:#003985;border-color:#003985;filter:none}
.file-select-button:focus-visible{outline:3px solid #80abff;outline-offset:3px}

/* Full-page studio layout: one document scroll instead of scrollable editor boxes */
html{scroll-behavior:smooth}
body{overflow-x:hidden;background:#0e1730}
.app-sidebar{position:relative;inset:auto;width:100%;min-height:72px;height:auto;display:flex;flex-direction:row;align-items:center;gap:18px;padding:13px 30px;border-right:0;border-bottom:1px solid #ffffff26;background:#0e1730}
.app-sidebar .brand{flex:0 0 auto}
.app-sidebar nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.app-sidebar .side-link{width:auto;margin:0;padding:10px 14px}
.sidebar-label,.sidebar-quote{display:none}
.app-sidebar .sidebar-bottom{display:flex;margin:0}
.app-sidebar .sidebar-bottom>small,.app-sidebar .sidebar-provider{display:none}
.app-main{margin-left:0;min-width:0}
.topbar{min-height:64px;height:auto;padding:12px 30px;background:#10254c}
.work-intro{margin:0;padding:54px 32px 48px;min-height:198px;align-items:center;background:linear-gradient(112deg,#0e1730 0%,#0e3279 58%,#1356bb 100%)}
.work-intro h1{font-size:clamp(30px,3.5vw,52px);font-weight:730;line-height:1.22;letter-spacing:-1.8px}
.work-intro .eyebrow{font-size:12px;letter-spacing:2px;color:#afccff}
.intro-badge{font-size:12px}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;margin:0 26px 28px;max-width:none;min-height:0;border:0;border-radius:0;overflow:visible;background:transparent;box-shadow:none}
.panel,.preview-panel{min-width:0;max-height:none;overflow:visible;border:1px solid #dce7f4;border-radius:17px;box-shadow:0 12px 34px #03142d27}
.panel{padding:28px;border-right:1px solid #dce7f4}
.preview-panel{grid-column:1/-1;background:#d9e6fb;min-height:720px;overflow:hidden}
.preview-toolbar{padding:20px 26px}
.preview-stage{padding:22px 30px 28px}
.preview-stage iframe{height:680px;min-height:680px;flex:none}
.app-footer{padding:20px 30px 26px}
.resize-handle{display:none}
@media(max-width:900px){
 .app-sidebar{flex-wrap:wrap;gap:10px;padding:13px 18px}
 .app-sidebar nav{margin-left:auto;flex-wrap:wrap}
 .app-sidebar .sidebar-bottom{margin-left:0}
 .topbar{padding:12px 18px}
 .work-intro{padding:42px 22px;min-height:170px}
 .workspace{margin:0 18px 24px;gap:16px}
 .panel{max-height:none;padding:24px}
 .preview-panel{max-height:none;grid-column:1/-1}
}
@media(max-width:650px){
 .app-sidebar{padding:14px 16px}
 .app-sidebar nav{width:100%;margin:0;justify-content:flex-start}
 .app-sidebar .side-link{font-size:12px;padding:9px 10px}
 .app-sidebar .sidebar-bottom{margin-left:auto}
 .topbar{flex-wrap:wrap;gap:8px;padding:12px 16px}
 .topbar .project-name{max-width:none;flex-basis:100%}
 .top-actions{flex-wrap:wrap}
 .work-intro{padding:34px 18px;min-height:150px}
 .work-intro h1{font-size:28px;letter-spacing:-1px}
 .workspace{grid-template-columns:minmax(0,1fr);margin:0 12px 20px;gap:14px}
 .panel{padding:22px 18px}
 .preview-panel{grid-column:auto;min-height:0}
 .preview-stage{padding:14px}
 .preview-stage iframe{height:560px;min-height:560px}
 .app-footer{padding:18px}
}