@font-face{font-family:Pretendard;src:url('assets/PretendardVariable.woff2') format('woff2');font-weight:100 900;font-display:swap}:root{--purple:#7132f5;--dark:#5741d8;--deep:#5b1ecf;--tint:rgba(133,91,251,.16);--ink:#101114;--muted:#686b82;--light:#9497a9;--border:#dedee5;--success:#149e61;--surface:#fff;--shadow:0 4px 24px rgba(0,0,0,.03)}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:'Kraken-Product',Pretendard,'Helvetica Neue',Arial,sans-serif;font-size:16px;line-height:1.5}h1,h2,h3{font-family:'Kraken-Brand',Pretendard,'IBM Plex Sans',Helvetica,Arial,sans-serif;letter-spacing:-.7px}h1{font-size:clamp(28px,3.1vw,48px);font-weight:700;line-height:1.17;margin:12px 0 14px}h2{font-size:26px;line-height:1.3;margin:12px 0 16px}h3{font-size:22px;line-height:1.3}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,summary{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.35;cursor:default}button,input,textarea,select,a,summary{outline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--purple)}input:focus,textarea:focus,select:focus{outline:2px solid var(--purple);outline-offset:1px}input,select,textarea{border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:#fff;color:var(--ink);min-width:0;width:100%;line-height:1.5}textarea{resize:vertical}label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}label small{font-weight:400;color:var(--muted);font-size:12px;margin-left:8px}.icon{width:20px;height:20px;flex:none;display:inline-block;vertical-align:middle;stroke-width:1.8}.button{border:1px solid transparent;display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:12px 16px;border-radius:12px;font-size:14px;font-weight:600;min-height:44px;white-space:nowrap;transition:background .15s,box-shadow .15s}.button:hover{box-shadow:var(--shadow)}.primary{background:var(--purple);color:white}.primary:hover{background:var(--deep)}.outline{border-color:var(--dark);background:#fff;color:var(--dark)}.outline:hover{background:var(--tint)}.subtle{color:var(--purple);background:var(--tint)}.quiet{background:rgba(148,151,169,.08)}.icon-button{padding:10px;background:#fff;border-color:var(--border);min-width:44px}.text-button{border:0;background:none;padding:5px 0;display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--dark);cursor:pointer}.text-button:hover{text-decoration:underline}.wide{width:100%;justify-content:space-between}.badge{border-radius:6px;background:var(--tint);color:var(--dark);padding:5px 8px;font-size:11px;font-weight:600;white-space:nowrap;display:inline-block}.success{background:rgba(20,158,97,.16);color:#026b3f}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;color:var(--purple);line-height:1.5}.small{font-size:12px;line-height:1.7}.muted{color:var(--muted)}.header{height:88px;display:flex;align-items:center;gap:24px;justify-content:space-between;padding:0 32px;border-bottom:1px solid var(--border);background:white;position:relative;z-index:10}.brand{display:flex;gap:12px;align-items:center;flex-shrink:0;font-size:20px;font-weight:700;line-height:1.3;letter-spacing:-.6px}.brand b{color:var(--purple)}.brand small{display:block;font-size:9px;letter-spacing:1.9px;margin-top:5px;color:var(--muted);font-weight:600}.brand-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:var(--purple);color:white}.brand-icon .icon{width:25px;height:25px;stroke-width:2.1}.main-nav{height:100%;display:flex;align-items:stretch;gap:28px}.main-nav a{display:flex;gap:8px;align-items:center;font-size:14px;font-weight:600;color:var(--muted);border-bottom:3px solid transparent;padding:3px 0 0}.main-nav a.active{border-color:var(--purple);color:var(--purple)}.main-nav .icon{width:17px;height:17px}.header-actions{display:flex;gap:8px;align-items:center}.app-layout{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:calc(100vh - 88px)}.sidebar{border-right:1px solid var(--border);padding:37px 22px 24px;display:flex;flex-direction:column;background:#fff}.course-caption{font-size:11px;color:var(--muted)}.sidebar h2{font-size:23px;line-height:1.4;margin:12px 0 36px;letter-spacing:-.7px}.side-label{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);font-weight:600}.side-label span{font-size:8px;letter-spacing:1px;color:var(--light)}#journey{margin:15px -9px 30px;display:grid;gap:7px}.journey-item{display:flex;align-items:center;gap:12px;padding:14px 11px;border:1px solid transparent;border-radius:12px}.journey-item:hover{background:rgba(148,151,169,.08)}.journey-item.active{background:var(--tint);color:var(--deep)}.journey-icon{width:30px;height:30px;display:grid;place-items:center;color:var(--muted)}.journey-item.active .journey-icon{color:var(--purple)}.journey-item strong{font-size:13px;font-weight:600;display:block}.journey-item small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.journey-item .journey-number{margin-left:auto;font-size:10px;color:var(--light)}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--border);padding-top:22px;font-size:11px;font-weight:600;line-height:1.8}.sidebar-bottom p{font-weight:400;color:var(--muted);font-size:11px;margin:10px 0 18px}.sidebar-bottom a{color:var(--dark);display:flex;align-items:center;gap:8px}.live-dot{display:inline-block;width:6px;height:6px;background:var(--success);border-radius:50%;vertical-align:middle;margin-right:5px}main{padding:38px clamp(24px,3.1vw,56px) 0;min-width:0;max-width:1800px;width:100%;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:32px}.page-heading p{margin:0;color:var(--muted);font-size:14px}.session-label{font-size:11px;flex-shrink:0;text-align:right}.session-label small{display:block;color:var(--light);font-size:10px;margin-top:6px}.lecture-grid{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:26px;align-items:start}.deck-column{min-width:0}.section-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;min-height:30px}.section-top>span{display:flex;align-items:center;gap:10px;min-width:0}.section-top strong{font-size:12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.section-top>.text-button{flex-shrink:0}.slide-stage{aspect-ratio:16/9;position:relative;border-radius:12px;overflow:hidden;background:#f5f5f7;border:1px solid var(--border);box-shadow:var(--shadow)}.slide-stage>img{width:100%;height:100%;display:block;object-fit:contain}.image-error{position:absolute;inset:0;padding:25px;background:#fff;align-content:center;text-align:center}.image-error a{color:var(--purple)}.slide-controls{display:flex;align-items:center;gap:18px;padding:16px 0 12px}.slide-counter{display:flex;gap:7px;align-items:baseline;flex-shrink:0;font-size:12px;color:var(--light);font-variant-numeric:tabular-nums}.slide-counter strong{font-size:18px;color:var(--ink);font-weight:600}input[type=range]{padding:0;height:3px;accent-color:var(--purple);outline-offset:7px}.arrow-controls{display:flex;gap:7px}.arrow-controls .button{width:38px;min-width:38px;height:36px;min-height:36px;border-radius:10px;padding:8px}.deck-footnote{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--light);gap:12px}.deck-footnote .text-button{font-size:11px}.slide-transcript{font-size:12px;color:var(--muted);margin-top:15px}.slide-transcript summary{cursor:pointer}.slide-transcript p{white-space:pre-wrap;line-height:1.9}.context-card{background:var(--tint);border-radius:16px;padding:23px 22px 19px;position:relative;overflow:hidden}.context-card .eyebrow{font-size:9px;letter-spacing:1.4px}.context-symbol{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin:20px 0;background:#fff;border-radius:12px;color:var(--purple)}.context-symbol .icon{width:24px;height:24px}.context-card h2{font-size:25px;font-weight:700;line-height:1.35;margin:0 0 12px}.context-card>p{font-size:12px;line-height:1.8;color:#484b5e;margin:0}.mini-steps{list-style:none;counter-reset:mini;padding:0;margin:20px 0}.mini-steps li{counter-increment:mini;display:flex;align-items:center;gap:10px;font-size:11px;color:#484b5e;margin:10px 0}.mini-steps li:before{content:counter(mini);display:grid;place-items:center;flex-shrink:0;width:19px;height:19px;border:1px solid rgba(104,107,130,.24);border-radius:50%;font-size:9px;color:var(--purple);background:rgba(255,255,255,.5)}.context-card .primary{font-size:12px}.context-caption{display:block;font-size:9px;color:var(--muted);text-align:center;margin-top:12px;line-height:1.7}.tool-card{border:1px solid var(--border);border-radius:12px;padding:18px 17px;margin-top:18px}.tool-card .side-label{margin-bottom:8px;font-size:10px}.tool-card>a{display:flex;gap:10px;align-items:center;padding-top:13px;font-size:12px;font-weight:600}.tool-card>a>span:last-child{margin-left:auto;color:var(--muted)}.tool-card small{display:block;font-size:9px;color:var(--muted);font-weight:400;margin-top:2px}.tool-icon{color:var(--purple);display:grid;place-items:center;background:var(--tint);border-radius:8px;width:32px;height:32px}.tool-icon.firebase{background:rgba(148,151,169,.08);color:var(--dark)}.tool-icon .icon{width:18px;height:18px}.course-strip{border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;margin-top:29px}.strip-label{color:var(--muted);font-size:11px;flex-shrink:0}.course-strip strong{font-size:13px;font-weight:500;letter-spacing:-.2px}.course-strip .badge{font-size:9px}.footer{margin-top:30px;padding:22px 0;display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--border);font-size:10px;color:var(--light)}.footer>span:first-child{font-weight:600;letter-spacing:.5px}.footer-divider{margin:0 8px;color:var(--border)}.mobile-only{display:none}#slideContents{border:1px solid var(--border);border-radius:12px;background:white;margin-bottom:14px;padding:16px;max-height:410px;overflow:auto}.search-label{color:var(--muted);font-size:12px}.search-label input{margin-top:8px;font-size:13px}#slideList{display:grid;gap:4px}.slide-list-item{display:flex;text-align:left;align-items:center;gap:10px;padding:9px;border:0;border-radius:8px;background:white;font-size:12px;color:var(--muted);width:100%}.slide-list-item:hover,.slide-list-item.current{background:var(--tint);color:var(--purple)}.slide-list-item img{width:64px;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--border);border-radius:4px}.slide-list-item>span:first-of-type{font-size:10px}.save-state{font-size:11px;color:var(--success);flex-shrink:0;display:flex;gap:7px;align-items:center}.workshop-tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:26px;overflow:auto}.workshop-tabs button{border:0;border-bottom:3px solid transparent;padding:15px 16px;background:white;white-space:nowrap;font-size:13px;color:var(--muted)}.workshop-tabs button[aria-selected=true]{border-color:var(--purple);color:var(--purple);font-weight:600}.workshop-tabs button small{font-size:10px;margin-right:6px;color:var(--light)}.workshop-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.paper{padding:28px;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);min-width:0}.paper h2{margin-top:8px;font-size:26px}.paper>.muted{font-size:13px;margin:-4px 0 26px}.field{margin:19px 0}.field textarea{min-height:85px;font-size:13px}.field input{font-size:13px}.field-hint{font-size:11px;color:var(--muted);margin:5px 0 0}.worksheet-top{display:flex;justify-content:space-between;gap:14px}.worksheet-top .icon{color:var(--purple);width:30px;height:30px}.worksheet-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--border);padding-top:20px;margin-top:26px}.worksheet-footer .button{font-size:12px}.prompt-panel{border-radius:16px;background:rgba(148,151,169,.06);padding:26px;min-width:0}.prompt-heading{display:flex;justify-content:space-between}.prompt-heading h2{font-size:22px;margin:8px 0}.prompt-heading>.icon,.prompt-heading>span{color:var(--purple)}.prompt-panel>textarea{font-size:12px;line-height:1.9;min-height:390px;border-color:var(--border);padding:18px;background:white}.prompt-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.prompt-actions .primary{flex:1;font-size:12px}.prompt-actions .outline{font-size:12px}.prompt-actions select{width:auto;font-size:12px;padding:9px}.note{font-size:11px;color:var(--muted);background:rgba(148,151,169,.08);border:1px solid var(--border);padding:13px 14px;border-radius:10px;line-height:1.8;margin:20px 0}.prompt-panel>.text-button{font-size:11px}.code-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--border);border-radius:12px 12px 0 0;padding:12px 16px}.code-toolbar>div:last-child{display:flex;gap:8px;align-items:center}.code-toolbar .button{font-size:12px;padding:9px 12px;min-height:38px}.file-label{font:12px ui-monospace,monospace;white-space:nowrap}.file-label>span:last-child{color:var(--light);font-size:10px;margin-left:8px}.upload-button{margin:0;cursor:pointer;font-weight:500}.code-layout{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-top:0;border-radius:0 0 12px 12px;overflow:hidden;height:540px}.editor-wrap{display:flex;flex-direction:column;background:#101114;min-width:0}.editor-wrap>label{color:#c5c6d1;font-size:10px;padding:12px 16px;margin:0;display:flex;justify-content:space-between;border-bottom:1px solid #2e2e38;gap:15px;font-weight:400}.editor-wrap>label>span{color:#9497a9}.editor-wrap textarea{flex:1;resize:none;min-height:300px;border:0;border-radius:0;background:#101114;color:#efedf5;padding:20px;font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}.preview-wrap{background:#f5f5f7;min-width:0;display:flex;flex-direction:column}.preview-top{padding:10px 16px;display:flex;align-items:center;justify-content:space-between;font-size:11px;background:white;border-bottom:1px solid var(--border)}.preview-top>div{display:flex;gap:13px}.preview-top .text-button{font-size:10px;color:var(--muted)}.preview-top .text-button[aria-pressed=true]{color:var(--purple)}.preview-canvas{flex:1;min-height:0;padding:12px;display:flex;justify-content:center;overflow:auto}.preview-canvas iframe{height:100%;width:100%;background:white;border:1px solid var(--border);border-radius:8px;transition:width .2s}.preview-canvas.mobile iframe{width:375px;max-width:100%;flex-shrink:0}.code-bottom{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);margin-top:18px}.code-bottom a{color:var(--purple);font-weight:600}.deploy-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}.deploy-step{padding:26px 0;border-bottom:1px solid var(--border)}.deploy-step:first-child{padding-top:0}.deploy-step h2{display:flex;align-items:center;gap:12px;font-size:22px;margin:0 0 16px}.step-num{font-size:12px;color:var(--purple);background:var(--tint);display:grid;place-items:center;width:31px;height:31px;border-radius:8px;flex-shrink:0}.deploy-step p,.deploy-step li{font-size:13px;color:var(--muted);line-height:1.9}.deploy-step ol{padding-left:20px}.deploy-step .button{margin:7px 5px 7px 0;font-size:12px}.command-block{background:#101114;border-radius:12px;position:relative;margin:14px 0;padding:44px 18px 18px;color:white}.command-block pre{font:12px/1.9 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;color:#e0daef}.command-block .copy-command{position:absolute;right:12px;top:9px;color:#fff;border:1px solid #484b5e;border-radius:8px;padding:5px 8px;font-size:10px}.answers{border:1px solid var(--border);border-radius:12px;margin-top:18px;overflow:hidden}.answer-row{display:flex;justify-content:space-between;gap:20px;padding:11px 15px;font-size:12px}.answer-row+.answer-row{border-top:1px solid var(--border)}.answer-row span{color:var(--muted)}.answer-row strong{font-weight:600;text-align:right}.deploy-check h2,.share-paper h2{font-size:22px}.check-item{display:flex;gap:10px;align-items:flex-start;font-size:12px;font-weight:400;margin:15px 0;cursor:pointer;line-height:1.7}.check-item input{width:16px;height:16px;accent-color:var(--purple);margin-top:2px;flex-shrink:0}.share-paper{margin-top:22px}.share-paper input{font-size:12px;margin-bottom:14px}.share-paper .button{font-size:12px}.source-link{color:var(--purple);text-decoration:underline}.deploy-step details{font-size:12px;color:var(--muted)}.deploy-step summary{cursor:pointer}.trouble-list p{border-bottom:1px solid var(--border);padding-bottom:10px}.trouble-list strong{color:var(--ink)}dialog{width:min(480px,calc(100vw - 32px));border:1px solid var(--border);border-radius:20px;padding:36px;box-shadow:0 24px 80px rgba(16,17,20,.15);color:var(--ink)}dialog::backdrop{background:rgba(16,17,20,.45);backdrop-filter:blur(5px)}dialog h2{font-size:28px;margin-top:14px}dialog p{color:var(--muted);font-size:13px}dialog form{position:absolute;right:16px;top:12px}.dialog-close{border:0;background:none;color:var(--muted);padding:4px;font-size:24px;cursor:pointer;display:grid;place-items:center}.join-qr{display:flex;justify-content:center;margin:25px auto 14px;padding:12px;max-width:290px;background:#fff;border:1px solid var(--border);border-radius:12px}.join-qr svg{display:block;width:100%;height:auto}.join-link{display:block;overflow-wrap:anywhere;text-align:center;color:var(--purple);font-size:16px;font-weight:600;margin-bottom:24px}.dialog-actions{display:flex;gap:10px;margin-top:15px}.dialog-actions .button{flex:1}dialog label{font-size:12px}dialog label small{display:block;margin:4px 0 0;font-size:10px}#joinURL{font-size:12px}#manualCopy{height:280px;font-size:12px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);opacity:0;pointer-events:none;background:#101114;color:#fff;padding:13px 20px;font-size:13px;border-radius:12px;box-shadow:var(--shadow);z-index:100;transition:.2s;max-width:calc(100vw - 30px)}#toast.show{opacity:1;transform:translate(-50%,0)}.skip{position:fixed;left:12px;top:-70px;padding:12px;background:var(--purple);color:#fff;z-index:100}.skip:focus{top:12px}.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}[hidden]{display:none!important}body.focus-mode .header,body.focus-mode .sidebar,body.focus-mode .page-heading,body.focus-mode .context-column,body.focus-mode .course-strip,body.focus-mode .footer,body.focus-mode .slide-transcript{display:none}body.focus-mode .app-layout{display:block}body.focus-mode main{padding:14px 24px;max-width:1600px}body.focus-mode .lecture-grid{display:block;max-width:calc((100vh - 160px)*16/9);margin:auto}body.focus-mode .slide-stage{border:0}body.focus-mode .section-top{margin-bottom:8px}body.focus-mode .deck-footnote{font-size:12px}body.focus-mode .deck-footnote .text-button{font-size:12px}
@media(min-width:1536px){.lecture-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}.context-card{padding:28px}.context-card h2{font-size:28px}.context-card>p{font-size:14px}.mini-steps li{font-size:13px}.context-card .primary{font-size:14px}.context-caption{font-size:10px}main{padding-top:48px}.page-heading{margin-bottom:40px}.section-top strong{font-size:14px}.course-strip{margin-top:36px;padding:24px}.course-strip strong{font-size:15px}.course-strip .badge{font-size:11px}}@media(max-width:1279px){.app-layout{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:30px 17px}.header{padding:0 24px;gap:20px}.main-nav{gap:20px}.main-nav a{font-size:12px}.main-nav .icon{display:none}.brand{font-size:18px}.lecture-grid{grid-template-columns:minmax(0,1fr) 230px;gap:20px}.context-card{padding:20px 18px}.context-card h2{font-size:22px}.context-symbol{margin:16px 0}.context-card>p{font-size:11px}.context-caption{font-size:8px}.session-label{display:none}main{padding:30px 26px 0}.course-strip{padding:16px;gap:12px}.course-strip .badge{display:none}.workshop-layout{grid-template-columns:1fr}.prompt-panel>textarea{min-height:300px}.deploy-layout{grid-template-columns:minmax(0,1fr) 250px}.paper{padding:23px}.code-layout{height:auto;grid-template-columns:1fr}.editor-wrap textarea{height:330px;flex:auto}.preview-wrap{height:440px}}@media(max-width:1023px){.app-layout{grid-template-columns:1fr}.sidebar{display:none}.header{height:78px}.main-nav{gap:22px}.header-actions .button{font-size:12px;padding:10px 12px}main{padding:30px 28px 0}.lecture-grid{grid-template-columns:minmax(0,1fr) 250px}.context-card h2{font-size:24px}.context-card>p{font-size:12px}.context-caption{font-size:9px}.page-heading h1{font-size:36px}.code-layout{grid-template-columns:1fr 1fr;height:540px}.editor-wrap textarea{height:auto}.preview-wrap{height:auto}.deploy-layout{grid-template-columns:minmax(0,1fr) 280px}}@media(max-width:767px){.header{height:auto;min-height:76px;flex-wrap:wrap;padding:16px 20px 0;gap:0;justify-content:space-between}.brand{font-size:18px}.brand-icon{width:37px;height:37px}.brand small{font-size:8px}.main-nav{order:3;width:100%;height:52px;justify-content:space-between;gap:8px;margin-top:12px}.main-nav a{font-size:12px;gap:5px;padding-top:0}.main-nav .icon{display:inline-block;width:15px;height:15px}.header-actions{gap:5px}.header-actions .button{font-size:11px;padding:8px 10px;min-height:38px}.header-actions .icon-button{min-width:38px}.header-actions .icon{width:17px;height:17px}main{padding:28px 20px 0}.page-heading{margin-bottom:26px;align-items:flex-start}.page-heading h1{font-size:30px;line-height:1.25;letter-spacing:-1px;max-width:350px}.page-heading p{font-size:12px;line-height:1.8}.eyebrow{font-size:9px;letter-spacing:1.4px}.lecture-grid{grid-template-columns:1fr;gap:25px}.section-top strong{font-size:11px}.section-top .badge{font-size:9px;padding:5px 7px}.section-top>span{gap:7px}.section-top>.text-button{font-size:11px}.slide-stage{border-radius:10px}.slide-controls{gap:14px;padding-top:13px}.deck-footnote{font-size:9px}.deck-footnote .text-button{font-size:10px}.context-column{display:grid;grid-template-columns:1fr;gap:16px}.context-card{padding:22px;display:grid;grid-template-columns:1fr auto;gap:0 18px}.context-card .eyebrow{grid-column:1/-1}.context-card .context-symbol{grid-column:2;grid-row:2/4;margin:15px 0 0}.context-card h2{font-size:25px;margin:14px 0 10px;grid-column:1}.context-card>p{grid-column:1/-1;font-size:12px}.mini-steps{grid-column:1/-1;margin:12px 0}.mini-steps li{font-size:12px}.context-card .primary{grid-column:1/-1;font-size:13px}.context-caption{grid-column:1/-1;font-size:10px}.tool-card{margin:0;padding:18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.tool-card .side-label{width:100%;margin:0}.tool-card>a{padding:0;flex:1}.tool-card small{font-size:8px}.course-strip{margin-top:23px;gap:16px;align-items:flex-start;padding:18px}.course-strip strong{font-size:12px;line-height:1.8}.strip-label{font-size:10px;margin-top:3px}.mobile-only{display:initial}.footer{font-size:9px;margin-top:25px;flex-wrap:wrap;gap:8px}.page-heading>.save-state{display:none}.workshop-tabs{margin-bottom:20px;gap:0}.workshop-tabs button{font-size:12px;padding:12px 13px}.paper,.prompt-panel{padding:21px;border-radius:12px}.paper h2{font-size:25px}.paper>.muted{font-size:12px}.prompt-panel>textarea{font-size:12px;min-height:350px}.prompt-actions{gap:7px}.prompt-actions .button{font-size:11px;padding:11px 13px}.prompt-actions select{font-size:11px;padding:9px}.code-toolbar{align-items:flex-start;flex-direction:column;padding:13px;gap:12px}.code-toolbar>div:last-child{width:100%;justify-content:space-between;gap:5px}.code-toolbar .button{font-size:10px;padding:8px 9px;gap:5px}.code-toolbar .icon{width:14px;height:14px}.code-layout{grid-template-columns:1fr;height:auto}.editor-wrap textarea{height:320px}.editor-wrap>label{font-size:9px}.preview-wrap{height:460px}.code-bottom{flex-direction:column;gap:10px;font-size:11px}.page-heading>.button{font-size:10px;padding:9px 10px;white-space:normal;min-width:85px;flex-shrink:0;max-width:110px}.deploy-layout{grid-template-columns:1fr;gap:24px}.deploy-step h2{font-size:21px}.deploy-step p,.deploy-step li{font-size:12px}.answer-row{font-size:11px;padding:11px 12px;gap:14px}.command-block pre{font-size:11px}.deploy-layout>aside{display:grid;gap:18px}.share-paper{margin:0}dialog{padding:30px 24px}dialog h2{font-size:25px}.join-qr{max-width:270px}.join-link{font-size:14px}.dialog-actions .button{font-size:12px}.keyboard-extra{display:none}body.focus-mode main{padding:12px}body.focus-mode .app-layout{min-height:100vh}body.focus-mode .section-top strong{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Shared AI choice in the lecture and prompt workspace. */
.ai-picker{padding:0;margin:20px 0 0;border:0;min-width:0;width:100%}.ai-picker legend{padding:0;margin-bottom:10px;font-size:12px;font-weight:600;color:var(--muted)}.ai-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.ai-option{position:relative;margin:0;cursor:pointer;min-width:0}.ai-option input{position:absolute;opacity:0;width:1px;height:1px;padding:0;margin:0}.ai-option span{display:flex;align-items:center;justify-content:center;gap:6px;padding:11px 8px;border:1px solid var(--border);border-radius:12px;background:white;font-size:13px;font-weight:500;min-height:44px}.ai-option span:before{content:'';height:10px;width:10px;flex-shrink:0;border:1px solid var(--light);border-radius:50%}.ai-option input:checked+span{border-color:var(--purple);background:var(--tint);color:var(--deep);font-weight:600}.ai-option input:checked+span:before{border-color:var(--purple);background:var(--purple);box-shadow:inset 0 0 0 2px white}.ai-option input:focus-visible+span{outline:3px solid var(--purple);outline-offset:3px}.ai-option:hover span{border-color:var(--purple)}.ai-picker.compact{margin:13px 0 2px}.ai-picker.compact legend{font-size:10px;margin-bottom:8px}.ai-picker.compact .ai-options{gap:5px}.ai-picker.compact .ai-option span{font-size:10px;padding:9px 4px;min-height:38px;gap:4px}.ai-picker.compact .ai-option span:before{width:8px;height:8px}.prompt-actions .button{flex:1}.tool-card>a>.icon:last-child{margin-left:auto;color:var(--muted);width:16px;height:16px}
@media(max-width:767px){.ai-option span{font-size:12px;padding:11px 7px}.tool-card .ai-picker.compact{margin:0}.ai-picker.compact .ai-option span{font-size:12px;min-height:42px}.ai-picker.compact legend{font-size:11px}}
/* Keep navigation and working areas compact without clipping page content. */
.app-layout{min-height:calc(100dvh - 88px)}
main{margin:0 auto;align-self:start}
.workshop-tabs{flex-wrap:wrap;overflow:visible}
.workshop-tabs button{flex:1;padding-inline:10px}
.section-top>span,.code-toolbar>div,.preview-top>div{min-width:0}
.preview-canvas{overflow:visible}
.preview-canvas iframe{display:block;min-height:0}

@media(min-width:768px){
  .workshop-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}
  .paper,.prompt-panel{padding:20px}
  .paper h2{font-size:23px;margin-bottom:12px}
  .paper>.muted{margin-bottom:16px}
  .field{margin:12px 0}
  .field label{margin-bottom:5px}
  .field textarea{min-height:62px;padding:9px 12px;line-height:1.5}
  .worksheet-footer{margin-top:16px;padding-top:14px}
  .prompt-panel>textarea{min-height:220px;height:clamp(220px,calc(100dvh - 570px),390px)}
  .prompt-panel>.muted{margin:8px 0 12px}
  .prompt-panel>.ai-picker{margin-top:12px}
  .prompt-panel .note{margin:12px 0;padding:10px 12px}
  .prompt-actions{margin-top:12px}
  .code-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);height:clamp(280px,calc(100dvh - 350px),680px)}
  .editor-wrap,.preview-wrap{min-height:0;height:auto}
  .editor-wrap textarea{min-height:0;height:0;flex:1}
}
@media(min-width:1024px){
  .header{height:72px}
  .app-layout{min-height:calc(100dvh - 72px)}
  .sidebar{padding:24px 18px 18px}
  .sidebar h2{margin:10px 0 22px}
  #journey{margin:12px -7px 20px;gap:4px}
  .journey-item{padding:10px}
  .sidebar-bottom{padding-top:16px}
  .sidebar-bottom p{margin:8px 0 12px}
  main{padding:20px 28px 0}
  .page-heading{margin-bottom:18px}
  .page-heading h1{font-size:32px;margin:6px 0 8px}
  .page-heading p{font-size:13px}
  .lecture-grid{grid-template-columns:minmax(0,1fr) 260px;gap:22px}
  .slide-stage{max-height:calc(100dvh - 440px)}
  .context-card{padding:16px}
  .context-symbol{display:none}
  .context-card h2{font-size:21px;margin:10px 0}
  .context-card>p{font-size:11px;line-height:1.6}
  .mini-steps{margin:12px 0}
  .mini-steps li{font-size:11px;margin:6px 0;gap:8px}
  .context-card .primary{font-size:12px}
  .context-caption{font-size:9px;margin-top:8px}
  .tool-card{padding:12px;margin-top:12px}
  .tool-card>a{padding-top:8px;font-size:11px}
  .tool-card .ai-picker.compact{margin-top:8px}
  .tool-card .ai-picker.compact legend{margin-bottom:5px}
  .tool-card .ai-picker.compact .ai-option span{min-height:32px;padding:6px 4px}
  .course-strip{padding:12px 16px;margin-top:16px;gap:12px}
  .course-strip strong{font-size:12px}
  .course-strip .badge{font-size:9px}
  .footer{margin-top:16px;padding:12px 0}
  body.focus-mode main{padding:14px 24px}
  body.focus-mode .lecture-grid{grid-template-columns:1fr}
  body.focus-mode .slide-stage{max-height:none}
}
@media(min-width:768px) and (max-width:1023px){
  .app-layout{min-height:calc(100dvh - 78px)}
  main{padding-top:22px}
  .page-heading{margin-bottom:20px}
  .page-heading h1{font-size:30px}
}
@media(max-width:767px){
  .app-layout{min-height:calc(100dvh - 129px)}
  .main-nav a{min-width:0;font-size:11px;gap:4px}
  .main-nav .icon{display:none}
  .workshop-tabs button{flex:1 1 30%;padding:10px 8px;font-size:11px}
  .code-layout{height:auto}
}

@media(min-width:1024px){
  body[data-view="lecture"] .footer,body[data-view="code"] .footer{display:none}
  .tool-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 10px}
  .tool-card>.side-label,.tool-card>.ai-picker{grid-column:1/-1}
  .tool-card>a{gap:6px;align-items:flex-start}
  .tool-card>a>.icon:last-child,.tool-card>a>span:last-child:not(:nth-child(2)){display:none}
  .tool-card small{font-size:8px}
}

.worksheet-fields{display:grid;gap:12px}
.worksheet-fields .field{margin:0}
@media(min-width:1280px){
  .worksheet-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
  .worksheet-fields .field:last-child:nth-child(odd){grid-column:1/-1}
}
@media(min-width:1024px) and (max-height:820px){
  .context-card{padding:12px 14px}
  .context-card h2{font-size:19px;margin:6px 0}
  .context-card>p{font-size:10px}
  .mini-steps{margin:8px 0}
  .mini-steps li{font-size:10px;margin:4px 0}
  .context-card .primary{min-height:38px;padding:9px 12px}
  .context-caption{font-size:8px;margin-top:6px}
  .tool-card{padding:10px;margin-top:10px}
  .tool-card .tool-icon{width:25px;height:25px}
  .course-strip{padding:9px 12px;margin-top:12px}
}

.prompt-help{margin-top:14px;font-size:12px;color:var(--muted)}
.prompt-help summary{cursor:pointer}
@media(min-width:1024px){
  .prompt-panel{padding:16px}
  .prompt-heading h2{font-size:20px;margin:6px 0}
  .prompt-panel>.muted{font-size:11px;line-height:1.5;margin:6px 0 10px}
  .prompt-panel>textarea{min-height:160px;height:clamp(160px,calc(100dvh - 610px),280px);line-height:1.7;padding:12px}
  .prompt-panel .ai-picker{margin-top:10px}
  .prompt-panel .ai-picker legend{margin-bottom:6px;font-size:11px}
  .prompt-panel .ai-option span{font-size:12px;min-height:38px;padding:8px 5px}
  .prompt-actions{margin-top:10px}
  .prompt-help{margin-top:12px}
  body[data-view="workshop"] .footer{display:none}
  .workshop-tabs{margin-bottom:18px}
}

@media(min-width:1024px) and (max-height:820px){
  body[data-view="workshop"] .page-heading{margin-bottom:12px}
  body[data-view="workshop"] .page-heading h1{font-size:28px}
  .workshop-tabs{margin-bottom:12px}
  .workshop-tabs button{padding-block:10px}
  #worksheet{padding:16px}
  #worksheet h2{font-size:21px;margin:8px 0}
  #worksheet>.muted{font-size:12px;margin-bottom:12px}
  .worksheet-fields{gap:8px 12px}
  .worksheet-fields label{font-size:12px;margin-bottom:4px}
  .worksheet-fields textarea{height:54px;min-height:54px;padding:7px 10px;font-size:12px}
  .worksheet-footer{padding-top:10px;margin-top:12px}
  .worksheet-footer .button{min-height:38px;padding:9px 12px}
}

/* Shared final-URL gallery; pagination keeps the desktop page compact. */
.submission-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:22px;align-items:start}
.submission-paper h2{font-size:23px;margin:8px 0 18px}
.submission-paper label{font-size:12px;margin-bottom:6px}
.submission-paper input{font-size:13px;margin-bottom:14px;padding:10px 12px}
.submission-note{margin:0 0 14px;font-size:11px}
.submission-edit-note{margin:12px 0 0;font-size:11px}
#submissionStatus{margin:10px 0 0;color:var(--purple);overflow-wrap:anywhere}
#submissionStatus:empty{display:none}
.submission-gallery{min-width:0}
.submission-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.submission-toolbar h2{font-size:20px;margin:0;display:flex;align-items:center;gap:8px}
.submission-toolbar .button{font-size:11px;padding:8px 12px;min-height:36px}
#galleryStatus{margin:10px 0 14px;font-size:11px;overflow-wrap:anywhere}
.submission-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.submission-card{border:1px solid var(--border);border-radius:12px;padding:16px;min-width:0;display:flex;flex-direction:column;gap:8px}
.submission-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}
.submission-card-top>.small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.submission-card h3{font-size:18px;margin:0;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.submission-address{font-size:11px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.submission-card .button{font-size:12px;padding:9px 12px;min-height:38px;margin-top:4px}
.submission-pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:16px}
.submission-pagination .button{font-size:11px;padding:8px 12px;min-height:36px}
#submitFromDeploy{margin:0 0 14px}
@media(min-width:1024px){
 body[data-view="submissions"] .footer{display:none}
 .main-nav{gap:22px}
 .main-nav a{font-size:13px}
 .submission-paper{padding:18px}
 .submission-paper .button{font-size:12px}
}
@media(min-width:768px) and (max-width:1100px){
 .main-nav{gap:14px}
 .main-nav a{font-size:11px}
 .main-nav .icon{display:none}
 .submission-layout{grid-template-columns:250px minmax(0,1fr);gap:18px}
 .submission-cards{grid-template-columns:1fr}
}
@media(max-width:767px){
 .main-nav{gap:5px}
 .main-nav a{font-size:10px}
 .submission-layout{grid-template-columns:1fr;gap:24px}
 .submission-cards{grid-template-columns:1fr}
 .submission-paper{padding:20px}
 .submission-paper h2{font-size:22px}
 .submission-card h3{white-space:normal;overflow-wrap:anywhere}
}

.submission-paper>.submission-edit-note{margin:12px 0 0;font-size:11px}
.submission-card-actions{display:flex;gap:8px;margin-top:auto}
.submission-card-actions>a{flex:1;min-width:0}
.submission-card-actions .delete-submission{flex:none;color:#b4233b}

/* EXAONE uses the existing picker and a viewport-sized conversation dialog. */
.ai-options{grid-template-columns:repeat(4,minmax(0,1fr))}
.ai-option span{font-size:12px;padding-inline:6px;gap:5px}
.ai-picker.compact .ai-option span{font-size:9px;padding-inline:2px;gap:3px}
.ai-picker.compact .ai-option span:before{width:7px;height:7px}
.exaone-dialog{width:min(980px,calc(100vw - 32px));height:min(760px,calc(100dvh - 32px));max-height:calc(100dvh - 32px);padding:0;overflow:hidden}
.exaone-shell{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100%;min-height:0}
.exaone-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 24px;border-bottom:1px solid var(--border)}
.exaone-heading h2{font-size:23px;margin:6px 0 0}
.exaone-heading .icon-button{border:0;min-width:38px;min-height:38px;padding:8px}
.exaone-body{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:20px;padding:20px 24px;min-height:0}
.exaone-dialog .exaone-compose{position:static;display:flex;flex-direction:column;min-height:0;min-width:0}
.exaone-compose>label{font-size:12px}
.exaone-compose>textarea{flex:1;min-height:100px;resize:none;font-size:12px;padding:12px;line-height:1.8}
.exaone-include{display:flex;align-items:center;gap:8px;font-weight:400;margin:12px 0 0}
.exaone-include input{width:16px;height:16px;margin:0;accent-color:var(--purple);flex:none}
.exaone-include span{font-size:11px;line-height:1.5}
.exaone-compose>.exaone-disclosure{font-size:10px;line-height:1.6;margin:8px 0 12px}
.exaone-send{display:flex;gap:8px}
.exaone-send .button{font-size:12px}
.exaone-send .primary{flex:1}
.exaone-answer{min-height:0;min-width:0;display:flex;flex-direction:column;gap:10px}
.exaone-answer-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:10px}
.exaone-answer-top .text-button{font-size:11px}
#exaoneOutput{flex:1;min-height:0;margin:0;border:1px solid var(--border);background:#f8f8fb;border-radius:10px;padding:14px;overflow:auto;overscroll-behavior:contain;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.8 Pretendard,sans-serif}
.exaone-footer{border-top:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.exaone-footer>p{margin:0;line-height:1.6;flex:1;font-size:11px}
.exaone-footer>div{display:flex;gap:8px;flex-wrap:wrap;flex-shrink:0}
.exaone-footer .button{font-size:11px;padding:10px 12px;min-height:38px}
@media(max-width:767px){
 .ai-option span{font-size:10px;padding-inline:4px;gap:4px}
 .ai-picker.compact .ai-option span{font-size:10px;padding-inline:4px}
 .exaone-heading{padding:14px 16px}
 .exaone-heading h2{font-size:19px}
 .exaone-body{grid-template-columns:1fr;grid-template-rows:minmax(170px,.9fr) minmax(100px,1fr);gap:14px;padding:14px 16px}
 .exaone-compose>textarea{min-height:50px}
 .exaone-include{margin-top:8px}
 .exaone-compose>.exaone-disclosure{margin:5px 0 8px;font-size:9px}
 .exaone-send .button{min-height:36px;padding:8px 12px}
 .exaone-footer{padding:12px 16px;flex-wrap:wrap;gap:10px}
 .exaone-footer>p,.exaone-footer>div{width:100%}
 .exaone-footer>div>.button{flex:1}
}