/* Caption Glasses 101. The paper-and-ink look, palette and type follow our
   Scratch 101 course, which follows Electronics 101 (electronics-101-six.vercel.app,
   by Dilum Sanjaya). Layout, drawings and code are our own.
   Fonts: Barlow + Barlow Semi Condensed (SIL OFL). */
@font-face{font-family:Barlow;font-weight:400;font-display:swap;src:url(fonts/barlow-latin-400.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:500;font-display:swap;src:url(fonts/barlow-latin-500.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:600;font-display:swap;src:url(fonts/barlow-latin-600.woff2) format("woff2")}
@font-face{font-family:"Barlow Semi Condensed";font-weight:500;font-display:swap;src:url(fonts/barlow-semi-condensed-latin-500.woff2) format("woff2")}
@font-face{font-family:"Barlow Semi Condensed";font-weight:600;font-display:swap;src:url(fonts/barlow-semi-condensed-latin-600.woff2) format("woff2")}
@font-face{font-family:"Barlow Semi Condensed";font-weight:700;font-display:swap;src:url(fonts/barlow-semi-condensed-latin-700.woff2) format("woff2")}
:root{--bg:#f6eddd;--card:#f9f2e5;--line:#cec0ad;--line-soft:#e2d7c7;--ink:#4f535b;--muted:#696d74;--faint:#ada293;
  --navy:#18213d;--navy-2:#24304a;--teal:#1aa3a1;--teal-deep:#3f7f8e;--gold:#e0a12b;--red:#c8372d;--track:#e3d8ca;
  --sans:"Barlow",system-ui,sans-serif;--cond:"Barlow Semi Condensed","Barlow",system-ui,sans-serif}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;background-color:var(--bg);color:var(--ink);font:500 19px/1.4 var(--sans);min-height:100vh;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:28px 28px}
button{font:inherit;color:inherit;cursor:pointer}
a{color:var(--teal-deep)}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;background:var(--bg);border-bottom:2px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy-2)}
.logo{width:42px;height:42px;flex:none}
.brand-text{display:flex;flex-direction:column;border-left:2px solid var(--navy-2);padding-left:10px}
.brand-text b{font:600 21px/1 var(--cond);letter-spacing:.12em;text-transform:uppercase}
.brand-text i{font:500 11px/1.5 var(--cond);letter-spacing:.2em;text-transform:uppercase;color:var(--faint);font-style:normal}
.eye{font:600 12px/1 var(--cond);letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--faint);padding:6px 9px;border-radius:99px;text-decoration:none;white-space:nowrap}
main{max-width:720px;margin:0 auto;padding:16px 16px 48px}
h1{font:600 30px/1.1 var(--cond);color:var(--navy);margin:0 0 8px}
h2{font:600 15px/1 var(--cond);letter-spacing:.16em;text-transform:uppercase;color:var(--navy-2);margin:26px 0 10px;display:flex;align-items:center;gap:10px}
h2::after{content:"";flex:1;height:2px;background:var(--line)}
.kicker{font:600 13px/1 var(--cond);letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:6px 0 8px}
.bar{display:flex;gap:6px;margin:10px 0 14px}
.bar i{flex:1;height:8px;border-radius:99px;background:var(--track)}
.bar i.on{background:var(--teal)}
.card{background:var(--card);border:2px solid var(--line);border-radius:18px;padding:16px;margin:0 0 14px}
.card .say{font:600 23px/1.25 var(--cond);color:var(--navy);margin:0 0 6px}
.card .small{color:var(--ink);margin:0 0 10px;font-size:17px}
.pill{display:flex;align-items:center;gap:12px;background:#e6ebe0;border:1.5px solid var(--teal-deep);border-radius:14px;padding:10px 12px;margin:10px 0}
.pill b{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--teal);color:#fff;border:2px solid var(--navy-2);font:700 19px/1 var(--cond);flex:none}
.pill span{flex:1;font:600 19px/1.25 var(--cond);color:var(--navy)}
.pill em{font:600 11px/1 var(--cond);letter-spacing:.14em;color:var(--muted);font-style:normal;white-space:nowrap}
.nav{display:flex;gap:10px;margin:4px 0 12px}
.btn{font:700 20px/1 var(--cond);letter-spacing:.1em;text-transform:uppercase;border-radius:14px;padding:16px 18px;border:2px solid var(--navy-2);box-shadow:0 4px 0 var(--navy-2);background:var(--card);color:var(--navy)}
a.btn{text-decoration:none;text-align:center;display:inline-block}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--navy-2)}
.btn.go{flex:1;background:var(--teal);color:#fff}
.btn.no{background:#f3e3c6}
.btn[disabled]{opacity:.45;cursor:default}
details.note{margin:6px 0 0}
details.note summary{font:600 12px/1 var(--cond);letter-spacing:.16em;text-transform:uppercase;color:var(--teal-deep);cursor:pointer;padding:6px 0}
details.note p{margin:6px 0;font-size:17px}
.art{margin:8px 0 0}
.art svg{display:block;width:100%;height:auto}
.art text{font:700 11px var(--cond);letter-spacing:.08em}
.toggle{display:inline-flex;border:2px solid var(--navy-2);border-radius:99px;overflow:hidden;margin:4px 0 2px}
.toggle button{border:0;background:transparent;padding:6px 12px;font:600 12px/1 var(--cond);letter-spacing:.12em;text-transform:uppercase;color:var(--navy-2)}
.toggle button[aria-pressed=true]{background:var(--navy-2);color:#fff}
.list{display:grid;gap:10px}
.item{display:flex;align-items:center;gap:12px;background:var(--card);border:2px solid var(--line);border-radius:16px;padding:12px 14px;text-decoration:none;color:var(--navy)}
.item:hover{border-color:var(--teal-deep)}
.item .n{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:2px solid var(--navy-2);font:700 18px/1 var(--cond);flex:none;background:#fff}
.item.done .n{background:var(--teal);color:#fff}
.item b{font:600 21px/1.15 var(--cond);display:block}
.item small{color:var(--muted);font-size:15px}
.item .go{margin-left:auto;font:700 12px/1 var(--cond);letter-spacing:.14em;color:var(--teal-deep)}
.first{background:var(--navy-2);color:#f3ecdf;border-radius:18px;padding:14px 16px;margin:12px 0}
.first b{color:#fff}.first a{color:#9fe3e1}
.parts label{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1.5px solid var(--line-soft);cursor:pointer}
.parts input{width:24px;height:24px;margin-top:3px;accent-color:var(--teal);flex:none}
.parts b{font:600 19px/1.2 var(--cond);color:var(--navy);display:block}
.parts small{color:var(--muted);font-size:15px;display:block}
.parts .cost{margin-left:auto;font:600 17px/1.2 var(--cond);color:var(--navy);white-space:nowrap}
.total{display:flex;justify-content:space-between;font:600 19px/1 var(--cond);color:var(--navy);padding:12px 0 2px}
.code{font:600 16px/1.5 ui-monospace,Menlo,monospace;background:#fff;border:2px solid var(--line);border-radius:12px;padding:10px 12px;margin:8px 0;color:var(--navy);overflow-x:auto;white-space:nowrap}
.code s{color:var(--red);text-decoration-thickness:2px}.code u{color:var(--teal-deep);text-decoration:none;background:#dff3ee;border-radius:4px;padding:0 3px}
.fix{background:#fbf0d4;border:2px solid var(--gold);border-radius:14px;padding:10px 14px;margin:10px 0}
.fix ul{margin:6px 0 0;padding-left:20px}.fix li{margin:5px 0;font-size:17px}
.yay{background:#dff3ee;border:2px solid var(--teal);border-radius:14px;padding:12px 14px;margin:10px 0;font:600 21px/1.25 var(--cond);color:var(--navy)}
ul.plain{padding-left:20px}ul.plain li{margin:8px 0}
@media (prefers-reduced-motion:no-preference){.hot{animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.55}}}
/* Until the installer has loaded, show only the button, not its messages. */
esp-web-install-button:not(:defined) [slot=unsupported],esp-web-install-button:not(:defined) [slot=not-allowed]{display:none}
esp-web-install-button{display:block;margin:10px 0}
.recipe.chosen{border-color:var(--teal);box-shadow:0 0 0 2px var(--teal) inset}
.tag{font:600 11px/1 var(--cond);letter-spacing:.12em;text-transform:uppercase;padding:4px 8px;border-radius:99px;background:var(--faint);color:#fff;vertical-align:middle;white-space:nowrap}
.tag.built{background:var(--teal)}.tag.designed{background:var(--gold)}.tag.partly-built{background:var(--teal-deep)}
.gives{margin:6px 0;display:flex;flex-wrap:wrap;gap:6px}
.gives i{font:600 12px/1 var(--cond);letter-spacing:.08em;text-transform:uppercase;font-style:normal;padding:5px 8px;border-radius:8px;background:#e6ebe0;color:var(--navy-2);border:1.5px solid var(--teal-deep)}