:root{--ink:#172d46;--blue:#2559db;--muted:#5c6c7e;--line:#d8e1ed}*{box-sizing:border-box}body{margin:0;background:#f3f6fb;color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;word-break:keep-all}a{color:var(--blue);text-underline-offset:4px}header{padding:21px 5%;display:flex;justify-content:space-between;background:white;border-bottom:1px solid var(--line);gap:20px}header a{text-decoration:none;font-size:14px}.brand{color:var(--ink);font-weight:800;font-size:18px}.notice{padding:11px 5%;background:#e7eefb;color:#345482;font-size:14px}.notice strong{margin-right:12px}main{max-width:1200px;margin:40px auto;display:grid;grid-template-columns:330px 1fr;gap:45px;padding:0 30px}aside{padding:20px 0}.eyebrow{font-size:13px;font-weight:750;color:var(--blue);letter-spacing:1px;margin:0 0 14px}h1{font-size:36px;line-height:1.35;letter-spacing:-1px;margin:0 0 18px}.intro{color:var(--muted);margin:0}#progress{list-style:none;padding:0;margin:35px 0;counter-reset:steps}#progress li{counter-increment:steps;display:flex;align-items:center;gap:12px;color:var(--muted);margin:15px 0;font-size:15px}#progress li button:before{content:counter(steps);display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;font-size:13px;background:white}#progress li[aria-current=step]{font-weight:750;color:var(--blue)}#progress li[aria-current=step] button:before{background:var(--blue);color:white;border-color:var(--blue)}#progress li.done button:before{background:#e4ebfa;color:var(--blue)}.side-note{border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:14px}.workspace{background:white;border:1px solid var(--line);border-radius:18px;padding:35px 40px;box-shadow:0 15px 40px #14345006;min-width:0}h2{font-size:28px;letter-spacing:-.8px;line-height:1.4;margin:0 0 10px}h2:focus{outline:none}.lead{color:var(--muted);margin:0 0 25px;font-size:16px}fieldset{border:0;padding:0;margin:0}.choice{display:flex;gap:16px;border:1px solid var(--line);border-radius:12px;padding:23px;margin-bottom:15px;cursor:pointer;align-items:flex-start}.choice:has(input:checked){border:2px solid var(--blue);padding:22px;background:#f5f8ff}.choice input{margin:8px 0 0;width:18px;height:18px;accent-color:var(--blue);flex-shrink:0}.choice strong{font-size:24px;display:block;line-height:1.4}.choice b{font-size:17px;display:block;margin:6px 0;font-weight:600}.choice small{display:block;font-size:15px;color:var(--muted)}.badge{float:right;background:#e5edff;color:#2858bc;border-radius:5px;padding:2px 8px;font-size:12px;margin:0 0 8px 16px}.box{padding:17px 19px;background:#f0f4fa;border-radius:8px;color:#405874;font-size:14px;margin-top:22px}.hint{font-size:14px;color:var(--muted);margin-top:17px}.actions{display:flex;align-items:center;gap:15px;border-top:1px solid var(--line);padding-top:23px;margin-top:25px}button{font:inherit;cursor:pointer;border:0;border-radius:8px;padding:12px 20px;background:#edf1f7;color:var(--ink);font-weight:650}#next{background:var(--blue);color:white;margin-left:auto}button:disabled{opacity:.5;cursor:not-allowed}#step-count{color:var(--muted);font-size:14px}button:hover:not(:disabled){filter:brightness(.96)}input:focus-visible,textarea:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #6d96ef;outline-offset:3px}.field{display:block;font-weight:650;margin:22px 0 8px}.field span{font-size:13px;font-weight:400;color:var(--muted);margin-left:8px}.text,textarea{display:block;width:100%;border:1px solid #b8c8da;border-radius:8px;padding:13px 15px;font:inherit;color:var(--ink);background:white}textarea{resize:vertical}.os{display:flex;gap:22px;margin-bottom:23px}.os legend{font-size:14px;font-weight:650;margin-bottom:10px}.os input{accent-color:var(--blue)}.checklist{list-style:none;padding:0;margin:0}.checklist li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.checklist li:last-child{border:0}.checklist li>span{background:#eaf0fd;color:var(--blue);border-radius:6px;height:29px;min-width:29px;text-align:center;font-size:14px;padding-top:3px}.checklist h3{font-size:17px;margin:0 0 6px}.checklist p{font-size:14px;color:var(--muted);margin:0 0 8px}.checklist a{font-size:14px}.summary{background:#f5f8fc;padding:16px 20px;border-radius:10px}.summary div{display:grid;grid-template-columns:80px 1fr;gap:10px;padding:4px 0}.summary dt{color:var(--muted);font-size:14px}.summary dd{margin:0;font-size:15px;overflow-wrap:anywhere}#prompt{font-size:15px;line-height:1.8;background:#fbfcfe}.copy{background:var(--navy,#172d46);color:white;margin-top:12px;font-size:14px}.error{color:#a32736;font-size:14px;min-height:0}details{margin-top:20px;font-size:14px}summary{cursor:pointer;font-weight:650}details p{color:var(--muted)}footer{text-align:center;padding:10px 25px 30px;font-size:13px;color:var(--muted)}[hidden]{display:none!important}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@media(max-width:850px){main{grid-template-columns:1fr;max-width:700px;gap:20px;margin-top:20px}aside{padding:0}aside h1{font-size:28px}aside h1 br{display:none}.intro,.side-note{display:none}#progress{display:flex;justify-content:space-between;gap:8px;margin:20px 0 0}#progress li{flex-direction:column;gap:6px;font-size:12px;margin:0}.workspace{padding:28px}.badge{float:none;display:inline-block;margin:0 0 10px}}@media(max-width:450px){main{padding:0 16px}.workspace{padding:24px 19px}h2{font-size:24px}.choice{padding:18px}.choice:has(input:checked){padding:17px}.actions{gap:8px}button{padding:11px 14px}header{padding:16px}.notice{font-size:13px}.summary div{grid-template-columns:70px 1fr}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* A functional diagram of the folder and its relationship to the app. */
.folder-diagram{margin:24px 0;background:#f5f8ff;border:1px solid #d3e0f5;border-radius:12px;padding:22px}.folder-diagram figcaption{font-size:14px;color:#526880;margin-bottom:18px;font-weight:650}.app-box{background:#172d46;color:white;padding:15px 20px;border-radius:8px;text-align:center}.app-box strong{display:block;font-size:18px}.app-box span{display:block;font-size:14px;color:#d5e1ef}.diagram-link{text-align:center;font-size:14px;color:#345992;padding:13px 0}.folder-root{background:white;border:2px solid #7296de;border-radius:9px;padding:18px}.folder-heading{display:flex;align-items:center;gap:10px;color:#2559db;flex-wrap:wrap}.folder-heading strong{font-size:20px}.folder-heading>span{margin-left:auto;font-size:12px;background:#eaf0ff;padding:3px 8px;border-radius:4px}.folder-contents{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:17px 0 0;padding:17px 0 0;border-top:1px solid #d8e1ed}.folder-contents li{padding:12px 9px;background:#f3f6fb;border-radius:5px;min-width:0}.folder-contents strong{display:block;font-size:15px}.folder-contents span{display:block;font-size:13px;color:#526880;line-height:1.8;margin:8px 0}.folder-contents small{display:block;font-size:12px;color:#2559db}.diagram-caption{text-align:center;color:#53677f;font-size:14px;margin:16px 0 0}.folder-why{border-left:3px solid #2559db;padding-left:17px;margin:25px 0}.folder-why h3,.prepare-title{font-size:18px;margin:0 0 8px}.folder-why p{font-size:15px;color:#5c6c7e;margin:0}.prepare-title{margin-top:32px}.download-folder{display:inline-block;background:#2559db;color:white;padding:10px 14px;border-radius:6px;text-decoration:none;margin:6px 0}.unzip-diagram{display:flex;flex-direction:column;align-items:stretch;gap:7px;margin:14px 0;max-width:100%}.unzip-diagram>span{padding:11px 14px;border:1px solid #d8e1ed;background:#f6f8fb;border-radius:6px;overflow-wrap:anywhere;word-break:break-word;font-size:14px}.unzip-diagram small{display:block;font-size:12px;color:#5c6c7e}.unzip-diagram>b{text-align:center;font-size:13px;color:#5c6c7e}.unzip-diagram>span.unpacked{border-color:#7296de;background:#f0f5ff;color:#2559db;font-weight:650}.selection-example{display:flex;flex-direction:column;background:#f0f5ff;border:1px solid #c8d8f6;padding:14px;border-radius:7px;margin:13px 0;gap:5px}.selection-example b{font-size:12px;color:#53677f}.selection-example code{font-size:17px;color:#2559db}.selection-example span{font-size:13px;color:#53677f}.file-guide{padding-left:20px;font-size:14px;color:#526880}.file-guide li{margin:10px 0;overflow-wrap:anywhere}.file-guide code{font-size:13px}.folder-instructions li>div{min-width:0}@media(max-width:600px){.folder-diagram{padding:15px}.folder-root{padding:13px}.folder-contents{grid-template-columns:1fr}.folder-contents li{display:grid;grid-template-columns:95px 1fr;gap:4px 8px;padding:12px}.folder-contents span{margin:0}.folder-contents small{grid-column:2}.folder-heading>span{margin-left:0}#progress{display:grid;grid-template-columns:repeat(3,1fr);row-gap:12px}#progress li{flex-direction:row;justify-content:flex-start;font-size:12px}#progress li button:before{width:25px;height:25px;flex-shrink:0}}
/* Palette follows the supplied orange-and-blue research-room illustrations. */
body{background:#f7f5f1}header{border-bottom-color:#e1dcd4}.brand:before{content:"";display:inline-block;width:10px;height:10px;background:#d66629;border-radius:3px;margin-right:10px}.notice{background:#edf2f6;color:#3f5b70}.workspace{border-color:#e0dcd6;box-shadow:0 15px 40px #483b2407}.eyebrow{color:#a14b22}.lab-portrait{margin:26px 0 20px;background:#f4e9da;border:1px solid #e6d6c0;border-radius:14px;overflow:hidden}.lab-portrait img{display:block;width:100%;height:auto;max-height:375px;object-fit:contain;background:#f5eadd}.lab-portrait figcaption{padding:13px 18px;background:#fffaf3;color:#705b48;font-size:14px}.lab-portrait strong{color:#3c342d;font-size:17px}.welcome-line{display:flex;align-items:center;gap:15px;border-left:3px solid #d66629;padding:12px 17px;background:#fff8ef;margin:-5px 0 23px;border-radius:0 8px 8px}.welcome-mark{font-size:27px;font-weight:800;color:#b35123}.welcome-line p{margin:0;color:#695746;font-size:14px}.welcome-line strong{font-size:16px;font-weight:600;color:#46372d}.room-story{margin:25px 0 0;border:1px solid #e0d3c0;border-radius:12px;overflow:hidden;background:#fffaf4}.room-story img{display:block;width:100%;height:auto}.room-story a{display:block}.room-story figcaption{padding:20px 23px}.room-story figcaption>span{font-size:12px;color:#985126;font-weight:700;letter-spacing:.5px}.room-story figcaption>strong{display:block;font-size:23px;line-height:1.5;color:#493525;letter-spacing:-.6px;margin:7px 0}.room-story figcaption p{margin:0;color:#726251;font-size:14px}.room-translation{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0 24px}.room-translation>div{border-bottom:2px solid #d98752;background:#fff9f0;padding:12px 10px;text-align:center}.room-translation span{font-size:12px;color:#796550;display:block}.room-translation b{font-size:15px;color:#4e3a27;display:block;margin-top:6px}.room-translation b:before{content:"↓";display:block;font-size:13px;color:#aa6739;margin-bottom:4px}.folder-diagram{background:#f2f6fa}.workflow-art{margin:16px 0;border:1px solid #e1d6c9;border-radius:8px;overflow:hidden}.workflow-art img{display:block;width:100%;height:auto}.workflow-art figcaption{background:#fff9f1;padding:10px 13px;font-size:13px;color:#6f5a48}@media(min-width:851px){aside{align-self:start}#progress{margin:27px 0}.side-note{font-size:13px}}@media(max-width:850px){.lab-portrait{display:none}.room-story figcaption>strong{font-size:22px}}@media(max-width:450px){.room-story figcaption{padding:17px}.room-translation{gap:5px}.room-translation>div{padding:10px 5px}.room-translation span{font-size:12px}.room-translation b{font-size:13px}}

/* Python instructions stay directly in step 04. */
.python-switch{display:flex;gap:10px;margin:0 0 24px}.python-switch button{flex:1;border:1px solid var(--line)}.python-switch button[aria-pressed=true]{background:var(--blue);color:white;border-color:var(--blue)}.python-install h3,.python-app-check h3{font-size:21px;margin:0 0 10px}.python-install video,.python-app-check video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#12232c;border-radius:10px;margin:12px 0 18px}.python-directions{padding-left:22px;font-size:15px}.python-directions li{margin:13px 0}.python-directions code{overflow-wrap:anywhere;word-break:break-word;font-size:14px;background:#f0f4fa;padding:2px 4px;border-radius:4px}.python-app-check{border-top:1px solid var(--line);padding-top:26px;margin-top:28px}.python-app-check>p{font-size:15px}.python-app-check textarea{font-size:15px}.python-install .download-folder{font-size:15px}

.folder-setup-video{margin:24px 0 30px}.folder-setup-video h3{font-size:21px;margin:0 0 8px}.folder-setup-video video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#12232c;border-radius:10px;margin:14px 0}.folder-setup-video .hint{line-height:1.8}

.lab-install-package{padding:24px;background:#fff8ed;border:1px solid #e8cfaf;border-radius:12px;margin:24px 0}.lab-install-package h3,.package-structure h3{font-size:23px;margin:0 0 12px}.lab-install-package p{font-size:15px}.lab-install-package .hint{font-size:13px}.workspace-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:22px 0}.workspace-path>div{background:white;border:1px solid #e8d9c8;padding:12px;border-radius:7px}.workspace-path b,.workspace-path span{display:block;font-size:13px}.workspace-path span{color:var(--muted);margin-top:7px}.package-structure{margin:30px 0}.package-root{background:#172d46;color:white;padding:15px 18px;border-radius:8px 8px 0 0}.package-root span{display:block;font-size:13px;color:#d8e3ee}.package-tree{margin:0;border:1px solid var(--line);border-top:0;padding:8px 18px;border-radius:0 0 8px 8px}.package-tree>div{padding:12px 0 12px 16px;border-left:2px solid #d8e1ed;margin:0 0 0 5px}.package-tree dt{font-size:14px;font-weight:700;overflow-wrap:anywhere}.package-tree dd{font-size:14px;color:var(--muted);margin:4px 0 0}@media(max-width:600px){.workspace-path{grid-template-columns:1fr}.lab-install-package{padding:18px}}

.folder-two-steps{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.folder-two-steps span{font-size:14px;padding:14px;background:#edf2fa;border-radius:8px}.folder-two-steps b{color:#2559db;margin-right:8px}.folder-step>.folder-setup-video{border:1px solid var(--line);border-radius:12px;padding:24px;margin-top:28px}.lab-install-package .package-structure{border-top:1px solid #e8cfaf;padding-top:22px;margin-bottom:0}.lab-install-package .package-structure h3{font-size:18px}.folder-step>.room-story{margin-top:20px}@media(max-width:600px){.folder-two-steps{grid-template-columns:1fr}.folder-step>.folder-setup-video{padding:18px}}

/* Copy-ready prompts, shared across setup steps. */
.prompt-card{margin:22px 0;padding:22px;background:#eef4ff;border:1px solid #b9cdf0;border-left:4px solid #3567bc;border-radius:12px;color:#183353;text-align:left}.prompt-card .prompt-badge{display:inline-block;padding:4px 9px;border-radius:5px;background:#dce8fc;color:#234f91;font-size:12px;font-weight:700;letter-spacing:.02em}.prompt-card .prompt-title{display:block;margin:12px 0;font-size:17px;font-weight:750;color:#183353}.prompt-card textarea{display:block;width:100%;box-sizing:border-box;background:#fff!important;border:1px solid #c0d0e9!important;color:#163556!important;font-family:inherit;font-size:15px!important;font-weight:500;line-height:1.85!important;padding:16px!important;border-radius:8px;resize:vertical;min-height:130px}.prompt-card textarea:focus{outline:2px solid #3567bc;outline-offset:2px}.prompt-card .copy{margin-top:12px;padding:10px 16px;background:#285bb0;color:white;border:0;border-radius:7px;font-size:14px;font-weight:700}.prompt-card p[role=status]{margin:10px 0 0;font-size:13px;color:#234f91}.prompt-card p[role=status]:empty{display:none}@media(max-width:600px){.prompt-card{padding:16px}.prompt-card textarea{font-size:14px!important}}

.own-project-example{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}.own-project-example>h3{font-size:21px;margin:0 0 12px}.own-project-example>p{line-height:1.8}

#progress li button{display:flex;align-items:center;gap:12px;width:100%;padding:6px 4px;border:0;border-radius:8px;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}#progress li button:hover{background:#e9eef8}#progress li button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}#progress li button:before{flex-shrink:0}@media(max-width:600px){#progress li button{gap:6px;padding:5px 2px}}

.team-guide>section{margin:30px 0}.team-guide .roles{display:grid;grid-template-columns:1fr;gap:12px}.team-guide .role{display:grid;grid-template-columns:104px minmax(0,1fr);gap:16px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}.team-guide .role-face{display:block;width:104px;height:104px;object-fit:cover;border-radius:10px;background:#f7ead9}.team-guide .role span,.team-guide .kicker{font-size:12px;color:#925226}.team-guide .role h3{margin:5px 0 7px;font-size:18px}.team-guide .role p{font-size:14px;margin:0}.team-guide .lead-seat{padding:18px;background:#f5eee5;border-left:4px solid #ad6a39;margin:18px 0}.team-guide .phases{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;padding:0}.team-guide .phases li{padding:16px;background:#eef3f6;border-radius:8px}.team-guide .phases strong,.team-guide .phases small{display:block}.team-guide .phases small{margin-top:6px}.team-guide .guardrails{background:#eaf1ef;padding:22px;border-radius:10px}.team-guide .guardrails li{margin:10px 0}.team-guide .source-credit,.team-guide .small-note{font-size:12px;line-height:1.8;color:var(--muted)}@media(max-width:700px){.team-guide .phases{grid-template-columns:1fr}}@media(max-width:420px){.team-guide .role{grid-template-columns:82px minmax(0,1fr);gap:12px}.team-guide .role-face{width:82px;height:82px}.team-guide .role p{font-size:13px}}

.prompt-card .prompt-format{font-size:12px;line-height:1.7;color:#45658c;margin:10px 0}.prompt-card textarea{max-height:580px}