/* jimtyler.org — shared stylesheet. Google-vibe: paper background, four-color stripe, Google Sans Flex + Roboto Mono. */
:root{
  --paper:#FBFBF9; --ink:#1B2433; --ink-2:#465063; --ink-3:#6B7385; --rule:#DCDFE6; --card:#FFFFFF; --card-2:#F1F3F4;
  --blue:#1A73E8; --blue-ink:#174EA6; --red:#C5221F; --yellow:#E37400; --green:#188038;
  --watch-bg:#FEF7E0; --watch-rule:#E37400; --code-bg:#F1F3F6; --chip:#E8F0FE; --chip-ink:#174EA6;
  --photo-bg:#DBDCE0;
  --g1:#4285F4; --g2:#EA4335; --g3:#FBBC04; --g4:#34A853;
  --display:'Google Sans Flex','Google Sans','Product Sans',Arial,sans-serif;
  --body:'Google Sans Flex','Google Sans',Arial,sans-serif;
  --mono:'Roboto Mono','Courier New',monospace;
  --shadow:0 1px 2px rgba(27,36,51,.06),0 8px 24px rgba(27,36,51,.06);
  --r:12px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0F1B2D; --ink:#E8EAED; --ink-2:#BDC1C6; --ink-3:#9AA0A6; --rule:#2C4260; --card:#152438; --card-2:#1B2E47;
  --blue:#8AB4F8; --blue-ink:#D2E3FC; --red:#F28B82; --yellow:#FDD663; --green:#81C995;
  --watch-bg:#2E2A1E; --watch-rule:#FDD663; --code-bg:#182A42; --chip:#22385A; --chip-ink:#D2E3FC;
  --photo-bg:#243650; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0F1B2D; --ink:#E8EAED; --ink-2:#BDC1C6; --ink-3:#9AA0A6; --rule:#2C4260; --card:#152438; --card-2:#1B2E47;
  --blue:#8AB4F8; --blue-ink:#D2E3FC; --red:#F28B82; --yellow:#FDD663; --green:#81C995;
  --watch-bg:#2E2A1E; --watch-rule:#FDD663; --code-bg:#182A42; --chip:#22385A; --chip-ink:#D2E3FC;
  --photo-bg:#243650; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-underline-offset:2px}
a:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0 0 12px}
code{font-family:var(--mono);font-size:.86em;background:var(--chip);color:var(--chip-ink);padding:1px 6px;border-radius:4px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 10px}
.muted{color:var(--ink-3)}

/* stripe + nav */
.stripe{display:flex;height:8px}.stripe i{flex:1}
.stripe i:nth-child(1){background:var(--g1)}.stripe i:nth-child(2){background:var(--g2)}.stripe i:nth-child(3){background:var(--g3)}.stripe i:nth-child(4){background:var(--g4)}
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{font-family:var(--display);font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px;letter-spacing:-.01em}
.brand .dot{width:10px;height:10px;border-radius:50%;background:conic-gradient(var(--g1) 0 25%,var(--g2) 0 50%,var(--g3) 0 75%,var(--g4) 0)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav li a{display:inline-block;padding:8px 12px;border-radius:999px;color:var(--ink-2);text-decoration:none;font-weight:500;font-size:15px}
.nav li a:hover,.nav li a[aria-current]{background:var(--chip);color:var(--chip-ink)}
@media (max-width:640px){.nav li a{padding:6px 9px;font-size:14px}.nav .wrap{height:auto;padding-block:10px;flex-wrap:wrap}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;text-decoration:none;font-size:15px;border:1.5px solid transparent;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary{background:var(--blue);color:#fff}
:root[data-theme="dark"] .btn-primary{color:#0F1B2D}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#0F1B2D}}
.btn-secondary{background:var(--card);color:var(--ink);border-color:var(--rule)}
.btn svg{width:18px;height:18px}

/* hero */
.hero{text-align:center;padding:64px 0 40px}
.hero h1{font-size:clamp(44px,8vw,76px);letter-spacing:-.03em;font-weight:700}
.hero .photo{width:min(340px,80vw);aspect-ratio:1116/1396;margin:28px auto 24px;border-radius:28px;background:var(--photo-bg);overflow:hidden;box-shadow:var(--shadow)}
.hero .photo img{width:100%;height:100%;object-fit:cover}
.hero .role{font-size:clamp(20px,2.6vw,26px);color:var(--ink-2);max-width:40ch;margin:0 auto 6px;text-wrap:balance}
.hero .sub{font-size:17px;color:var(--ink-3);max-width:58ch;margin:0 auto 24px;text-wrap:pretty}
.hero .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.facts{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.facts li{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--rule);background:var(--card);border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2)}
.facts svg{width:16px;height:16px;color:var(--blue)}

/* sections */
section.band{padding:56px 0;border-top:1px solid var(--rule)}
section.band h2{font-size:clamp(28px,4vw,38px);letter-spacing:-.02em;margin-bottom:8px}
section.band .lede{color:var(--ink-2);font-size:18px;max-width:60ch;margin-bottom:28px;text-wrap:pretty}

/* project grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.pcard{position:relative;display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:20px;color:inherit;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.pcard:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:transparent}
.pcard:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.pcard .tile{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff}
.pcard .tile svg{width:22px;height:22px}
.tile-blue{background:var(--g1)}.tile-red{background:var(--g2)}.tile-yellow{background:var(--g3)}.tile-green{background:var(--g4)}.tile-ink{background:var(--ink)}
.pcard h3{font-size:19px;font-weight:600}
.pcard p{color:var(--ink-2);font-size:15px;margin:0;flex:1}
.pcard .meta{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--ink-3)}
.pcard .go{color:var(--blue);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.pcard .go::after{content:"→"}
.pcard .pill{position:absolute;top:16px;right:16px;font-size:12px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:999px;border:1.5px solid currentColor;color:var(--green)}
.pcard .pill.blue{color:var(--blue)}
.pcard .pill.yellow{color:var(--yellow)}
.pcard .pill.red{color:var(--red)}

.linkrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.linkrow a{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--rule);background:var(--card);border-radius:999px;color:var(--ink-2);text-decoration:none;font-size:14px;font-weight:500}
.linkrow a:hover{border-color:var(--blue);color:var(--blue)}

/* two-column prose block */
.cols{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:820px){.cols{grid-template-columns:1fr}}
.prose p{font-size:17px;color:var(--ink-2);max-width:62ch;text-wrap:pretty}
.quote{margin:0;padding:18px 20px;border-left:4px solid var(--blue);background:var(--code-bg);border-radius:0 12px 12px 0;color:var(--ink);font-size:17px}
.quote p{margin:0}.quote cite{display:block;margin-top:8px;font-style:normal;font-size:14px;color:var(--ink-3)}

/* list cards (speaking, community) */
.list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.list li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 20px;background:var(--card);border:1px solid var(--rule);border-radius:var(--r)}
.list .when{font-family:var(--mono);font-size:13px;color:var(--ink-3);padding-top:3px}
.list h3{font-size:18px;font-weight:600;margin-bottom:4px}
.list p{margin:0;color:var(--ink-2);font-size:15px}
.list .tags{margin-top:8px;display:flex;gap:6px;flex-wrap:wrap}
.list .tags span{font-size:12px;padding:2px 9px;border-radius:999px;background:var(--chip);color:var(--chip-ink);font-weight:600}
@media (max-width:560px){.list li{grid-template-columns:1fr}}

/* footer */
footer{border-top:1px solid var(--rule);padding:40px 0 32px;color:var(--ink-3);font-size:14px}
footer .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:24px}
footer h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer a{color:var(--ink-2);text-decoration:none}footer a:hover{color:var(--blue);text-decoration:underline}
footer .brandline{font-family:var(--display);font-weight:700;color:var(--ink);font-size:18px;margin-bottom:6px}
footer .bottom{grid-column:1/-1;border-top:1px solid var(--rule);padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:460px){footer .wrap{grid-template-columns:1fr}}

/* ===================== Guides: document layout (ported from the MAEDS handout template) ===================== */
.doc{max-width:1120px;margin:0 auto;padding:40px 20px 80px}
.doc .cover{display:flex;flex-direction:column;gap:12px;padding-bottom:28px;border-bottom:2px solid var(--ink);margin-bottom:28px}
.doc .cover h1{font-size:clamp(40px,7vw,64px);letter-spacing:-.02em}
.doc .cover .sub{font-size:22px;color:var(--ink-2);margin:0 0 8px}
.doc .cover p{margin:0;max-width:70ch}
.doc .cover blockquote{margin:8px 0 0;padding:12px 16px;border-left:4px solid var(--blue);background:var(--code-bg);border-radius:0 8px 8px 0;max-width:70ch}
.doc .cover blockquote p{margin:0}
.doc .cover .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.doc .layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:960px){.doc .layout{grid-template-columns:1fr}}
.doc .toc-wrap{position:sticky;top:76px;max-height:calc(100vh - 92px);overflow:auto;padding-right:6px;scrollbar-width:thin}
@media (max-width:960px){.doc .toc-wrap{position:static;max-height:none;padding:16px 18px;border:1px solid var(--rule);border-radius:var(--r);background:var(--card)}}
.doc .toc-wrap h2{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 10px;padding:0;border:0}
.doc .toc-wrap ol{margin:0;padding-left:0;list-style:none;counter-reset:toc}
.doc .toc-wrap li{counter-increment:toc;padding-block:3px;font-size:14px;line-height:1.35;display:flex;gap:8px}
.doc .toc-wrap li::before{content:counter(toc,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--ink-3);padding-top:2px;flex:none}
.doc .toc-wrap a{color:var(--ink-2);text-decoration:none}
.doc .toc-wrap a:hover,.doc .toc-wrap a.active{color:var(--blue)}
.doc .progress{margin-top:14px;padding:12px 14px;background:var(--card);border:1px solid var(--rule);border-radius:10px;font-size:13px;color:var(--ink-2)}
.doc .progress strong{font-family:var(--mono);color:var(--ink)}
.doc .progress .bar{height:6px;background:var(--code-bg);border-radius:999px;overflow:hidden;margin:8px 0}
.doc .progress .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--g1),var(--g4));transition:width .3s}
.doc .progress button{font:inherit;font-size:12px;color:var(--blue);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline}
@media (max-width:960px){.doc .toc-wrap ol{columns:2 240px;column-gap:24px}.doc .toc-wrap li{break-inside:avoid}}

.doc main{min-width:0}
.doc h2{font-size:30px;margin-top:56px;margin-bottom:14px;padding-top:14px;border-top:4px solid var(--ink)}
.doc main > h2:first-child,.doc .sec:first-child h2{margin-top:0}
.doc h3{font-size:20px;margin-top:28px;margin-bottom:10px}
.doc h4{font-size:17px;margin-top:22px;margin-bottom:8px}
.doc p,.doc ul,.doc ol{margin-block:0 12px}
.doc p{max-width:72ch}
.doc li{margin-block:4px}
.doc ul{padding-left:22px}.doc ol{padding-left:24px}
.doc .task{list-style:none;margin-left:-22px;display:flex;gap:10px;align-items:baseline}
.doc .tasks{list-style:none;padding-left:0}
.doc .tasks li{display:flex;gap:10px;align-items:baseline}
.doc .box{display:inline-block;flex:none;width:14px;height:14px;border:2px solid var(--blue);border-radius:3px;transform:translateY(2px)}
.doc input.box{appearance:none;-webkit-appearance:none;margin:0;cursor:pointer;background:var(--card);position:relative}
.doc input.box:checked{background:var(--blue)}
.doc input.box:checked::after{content:"";position:absolute;left:3px;top:0px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.doc .item.done h3{color:var(--ink-3)}
.doc .item.done h3 .ttl{text-decoration:line-through;text-decoration-color:var(--ink-3)}
.doc .tw{overflow-x:auto;margin-block:8px 14px}
.doc table{border-collapse:collapse;width:100%;font-size:15px}
.doc th,.doc td{text-align:left;vertical-align:top;padding:8px 10px;border-bottom:1px solid var(--rule)}
.doc thead th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);border-bottom:2px solid var(--rule)}
.doc thead:has(th:empty):not(:has(th:not(:empty))){display:none}
.doc td.k{width:118px;white-space:nowrap;color:var(--ink-3)}
.doc td.k strong{font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.doc td em{font-style:normal;font-size:13px;color:var(--ink-3)}
.doc em.muted{font-style:normal;color:var(--ink-3)}
.doc .item{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:16px 18px 6px;margin-block:16px;break-inside:avoid}
.doc .item h3{margin-top:0;display:flex;gap:10px;align-items:baseline}
.doc .item .tw{margin-bottom:8px}
.doc .item tr:last-child td{border-bottom:0}
.doc .item .watch{margin:8px 0 10px;padding:10px 14px;background:var(--watch-bg);border-left:4px solid var(--watch-rule);border-radius:0 8px 8px 0;font-size:15px;color:var(--ink)}
.doc .lic,.doc .tag{display:inline-block;font-weight:700;font-size:12px;letter-spacing:.06em;padding:2px 8px;border-radius:999px;margin-right:6px;border:1.5px solid currentColor;line-height:1.5;white-space:nowrap}
.doc .lic-ceu,.doc .tag-yellow{color:var(--yellow)}
.doc .lic-free,.doc .tag-green{color:var(--green)}
.doc .lic-filter,.doc .tag-grey{color:var(--ink-3)}
.doc .lic-mixed,.doc .tag-blue{color:var(--blue)}
.doc .tag-red{color:var(--red)}
.doc blockquote{margin:12px 0;padding:10px 16px;border-left:4px solid var(--rule);color:var(--ink-2);max-width:72ch}
.doc blockquote p{margin:0}
.doc blockquote.gate{border-left-color:var(--blue);background:var(--code-bg);border-radius:0 8px 8px 0;color:var(--ink)}
.doc blockquote.watch{background:var(--watch-bg);border-left-color:var(--watch-rule);border-radius:0 8px 8px 0;color:var(--ink)}
.doc pre{margin-block:6px 16px;background:var(--code-bg);border-radius:8px;padding:12px 14px;overflow-x:auto}
.doc pre code{background:none;color:var(--ink);padding:0;font-size:13.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.doc pre.list code{display:block;columns:3 180px;column-gap:24px}
.doc hr{border:0;border-top:2px solid var(--ink);margin-top:48px}
.doc .colophon{margin-top:48px;padding-top:18px;border-top:1px solid var(--rule);color:var(--ink-3);font-size:14px}
.doc .nextprev{display:flex;gap:12px;flex-wrap:wrap;margin-top:40px}
@media (max-width:520px){.doc td.k{width:auto;white-space:normal}.doc{padding-block:24px 56px}.doc h2{font-size:25px}}

@media print{
  :root{--paper:#fff;--card:#fff;--code-bg:#F4F5F7;--ink:#1B2433;--ink-2:#465063;--ink-3:#5F6675;--rule:#D5D9E0;--blue:#1A73E8;--yellow:#B06000;--green:#188038;--watch-bg:#FEF7E0;--watch-rule:#E37400;--chip:#E8F0FE;--chip-ink:#174EA6;color-scheme:light}
  @page{size:letter;margin:.55in .6in .65in}
  body{font-size:10.5pt;line-height:1.45}
  .nav,.stripe,footer,.doc .progress,.doc .nextprev,.doc .cover .actions{display:none!important}
  .doc{max-width:none;padding:0}
  .doc .layout{display:block}
  .doc .toc-wrap{position:static;max-height:none;border:0;padding:0;margin-bottom:16px}
  .doc .toc-wrap ol{columns:2 280px}
  .stripe,.lic,.tag,.box,code,blockquote,.item{print-color-adjust:exact;-webkit-print-color-adjust:exact}
  .doc .sec{break-before:page}
  .doc h2{margin-top:0}
  h2,h3,h4{break-after:avoid}
  .doc .item,.doc .tw,table,tr,pre,ul,ol,blockquote,p{break-inside:avoid}
  .doc .tw{overflow:visible}
  a{color:inherit;text-decoration:none}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}