/* Local LLMs workshop: follow-along page. Coverflex (Peach DS) tokens, F37 Ginger Pro. */

@font-face { font-family: "F37 Ginger Pro"; src: url("fonts/F37GingerPro-Light.ttf") format("truetype"); font-weight: 300; font-display: swap; }
@font-face { font-family: "F37 Ginger Pro"; src: url("fonts/F37GingerPro-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "F37 Ginger Pro"; src: url("fonts/F37GingerPro-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }

:root {
  /* primitives (peach-ds colors-primitive) */
  --peach-50: #FCF5F2; --peach-100: #FFE5D8; --peach-300: #FF8E7A; --peach-500: #FF5A44; --peach-900: #C23B2C;
  --teal-50: #E0F2F1; --teal-100: #C4E8E4; --teal-300: #7CCCC5; --teal-500: #3AA097; --teal-600: #357E78; --teal-800: #253F3C;
  --eb-0: #FFFFFF; --eb-25: #F7F8FA; --eb-50: #EBEEF2; --eb-100: #CDD4DC; --eb-300: #8E9CAB; --eb-500: #5F7287; --eb-700: #425160; --eb-800: #333E4A; --eb-900: #222A33;
  --pomegranate-400: #F76267; --aquamarine-400: #00A276;

  /* semantic */
  --bg: var(--eb-25);
  --surface: var(--eb-0);
  --surface-2: var(--eb-50);
  --text: var(--eb-800);
  --muted: var(--eb-500);
  --line: var(--eb-100);
  --a1: var(--teal-600);          /* Step 1: teal (text-safe) */
  --a1-fill: var(--teal-300);
  --a1-soft: var(--teal-50);
  --a2: var(--peach-900);         /* Step 2: peach (text-safe) */
  --a2-fill: var(--peach-300);
  --a2-soft: var(--peach-50);
  --accent: var(--a1);
  --accent-fill: var(--a1-fill);
  --accent-soft: var(--a1-soft);
  --ink-on-fill: var(--eb-900);
  --code-bg: var(--eb-900);
  --code-head: #2b3540;
  --code-text: #EBEEF2;
  --code-dim: #8E9CAB;
  --ok: var(--teal-600);
  --warn-bg: #FFF3EC;
  --warn-line: #FF782D;
  --font: "F37 Ginger Pro", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --shadow: 0 4px 8px -2px rgba(0,0,0,.06), 0 2px 4px -2px rgba(0,0,0,.04);
  --shadow-hover: 0 4px 6px -2px rgba(0,0,0,.03), 0 12px 16px -4px rgba(0,0,0,.08);
  --halo: 0 2px 4px -2px rgba(0,0,0,.5), 0 4px 8px -2px rgba(124,204,197,1);
  --halo-hover: 0 4px 10px -2px rgba(0,0,0,.5), 0 12px 16px -6px rgba(124,204,197,.5);
  --radius: 16px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: var(--a1); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--teal-500); outline-offset: 2px; border-radius: 4px; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: .1em .38em; border-radius: 6px; }
kbd { font: 700 .8em var(--mono); background: var(--surface); border: 1px solid var(--line); border-bottom-width: 2px; padding: .05em .4em; border-radius: 6px; }
.skip { position: absolute; left: -9999px; top: 0; padding: .6rem 1rem; background: var(--surface); z-index: 100; }
.skip:focus { left: .5rem; top: .5rem; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: .9rem; padding: .6rem 1.25rem; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--line); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.05rem; white-space: nowrap; letter-spacing: -.01em; }
.brand img { border-radius: 8px; display: block; }
.progress { flex: 1; display: flex; align-items: center; gap: .7rem; min-width: 0; }
.bar { flex: 1; height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0; background: var(--teal-500); border-radius: 99px; transition: width .3s ease; }
.pcount { font: 700 .82rem var(--font); color: var(--muted); white-space: nowrap; }
.toplinks { display: flex; gap: .4rem; }
.toplinks a, .jump { font: 700 .86rem var(--font); text-transform: lowercase; color: var(--text); text-decoration: none; padding: .45rem .9rem; border-radius: 99px; background: var(--surface-2); border: 0; }
.toplinks a:hover { background: var(--teal-100); }
.jump { display: none; max-width: 9.5rem; }

/* layout */
.layout { display: grid; grid-template-columns: 17.5rem minmax(0, 1fr); gap: 2.5rem; max-width: 76rem; margin: 0 auto; padding: 0 1.5rem; }
.side { position: sticky; top: 3.7rem; align-self: start; max-height: calc(100vh - 3.7rem); overflow-y: auto; padding: 1.75rem 0 2rem; font-size: .92rem; }
.side h2 { font: 700 .78rem var(--font); letter-spacing: .02em; color: var(--muted); margin: 1.3rem 0 .4rem; padding-left: .6rem; }
.side h2:first-child { margin-top: 0; }
.side ol { list-style: none; margin: 0; padding: 0; }
.side a { display: flex; align-items: center; gap: .6rem; padding: .42rem .6rem; border-radius: 12px; color: var(--text); text-decoration: none; line-height: 1.3; }
.side a:hover { background: var(--surface-2); }
.side a[aria-current="true"] { background: var(--surface); box-shadow: var(--shadow); font-weight: 700; }
.side .n { font: 700 .76rem var(--font); color: var(--muted); min-width: 1.9rem; }
.side .tick { margin-left: auto; width: 1.05rem; height: 1.05rem; border: 1.5px solid var(--eb-300); border-radius: 50%; flex: none; }
.side a[data-done="true"] .tick { background: var(--teal-500); border-color: var(--teal-500); position: relative; }
.side a[data-done="true"] .tick::after { content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.side a[data-done="true"] { color: var(--muted); }
main { padding: 0 0 6rem; min-width: 0; }

/* hero */
.hero { padding: 3rem 0 1.5rem; }
.eyebrow { font: 700 .9rem var(--font); color: var(--a1); margin: 0 0 .8rem; }
h1 { font: 700 clamp(2.4rem, 6vw, 3.7rem)/1.05 var(--font); letter-spacing: -.02em; margin: 0; }
h1 code { background: var(--teal-100); }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 40rem; margin: 1rem 0 0; }
.flowline { display: grid; gap: .6rem; margin: 1.6rem 0 0; font: 700 .86rem var(--mono); }
.fl { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; }
.fl b { font: 700 .82rem var(--font); color: var(--muted); min-width: 3.8rem; }
.flowline span { padding: .35rem .75rem; border-radius: 12px; background: var(--surface); box-shadow: var(--shadow); }
.flowline .g { background: var(--peach-100); color: var(--peach-900); box-shadow: none; }
.flowline em { font-style: normal; color: var(--muted); }

/* setup card */
.setup { margin: 2rem 0 0; padding: 1.6rem; border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.setup h2 { margin: 0 0 .2rem; font: 700 1.4rem var(--font); }
.setup > p { margin: 0 0 1.1rem; color: var(--muted); }
.fieldset { border: 0; padding: 0; margin: 0 0 1.2rem; min-width: 0; }
.fieldset legend { font: 700 .86rem var(--font); color: var(--muted); padding: 0; margin-bottom: .55rem; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: .7rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice label { display: block; padding: .85rem 1.05rem; border: 1.5px solid var(--line); border-radius: 16px; background: var(--surface); cursor: pointer; transition: border-color .12s, background .12s; }
.choice label b { display: block; font: 700 1.02rem var(--mono); }
.choice label span { font-size: .85rem; color: var(--muted); }
.choice input:checked + label { border-color: var(--teal-300); background: var(--teal-50); box-shadow: var(--halo); }
.choice input:focus-visible + label { outline: 3px solid var(--teal-500); outline-offset: 2px; }
.choices.os { grid-template-columns: repeat(2, minmax(0, 12rem)); }
.prereq { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.prereq label { display: flex; gap: .65rem; align-items: flex-start; cursor: pointer; }
.prereq input { margin-top: .35rem; accent-color: var(--teal-500); width: 1.05rem; height: 1.05rem; }
.terms { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-top: 1.1rem; }
.term { border-radius: 16px; padding: .8rem 1rem; background: var(--code-bg); color: var(--code-text); font: .84rem/1.45 var(--mono); }
.term b { color: var(--teal-300); display: block; margin-bottom: .15rem; }
.term.b b { color: var(--peach-300); }
.term span { color: var(--code-dim); }

/* part headers */
.part { margin: 4.5rem 0 0; padding: 1.6rem 1.8rem; border-radius: 24px; background: var(--a1-fill); color: var(--eb-900); }
.part.s2 { background: var(--a2-fill); }
.part .tag { font: 700 .9rem var(--font); }
.part h2 { font: 700 clamp(1.9rem, 4vw, 2.6rem)/1.1 var(--font); letter-spacing: -.015em; margin: .2rem 0 .4rem; }
.part .goal { margin: 0; font-size: 1.05rem; }
.part code { background: rgba(255,255,255,.55); }

/* steps */
.step { margin: 2.2rem 0 0; padding: 1.5rem 0 0; scroll-margin-top: 4.2rem; }
.step + .step { border-top: 1px solid var(--line); }
.s1 { --accent: var(--a1); --accent-fill: var(--a1-fill); --accent-soft: var(--a1-soft); }
.s2 { --accent: var(--a2); --accent-fill: var(--a2-fill); --accent-soft: var(--a2-soft); }
.step-head { display: flex; gap: 1rem; align-items: baseline; }
.step-num { font: 700 .95rem var(--font); color: var(--accent); background: var(--accent-soft); padding: .25rem .7rem; border-radius: 99px; flex: none; }
.step h3 { margin: 0; font: 700 1.5rem/1.2 var(--font); letter-spacing: -.01em; }
.why { margin: .55rem 0 1rem; color: var(--muted); max-width: 44rem; }
.step p { margin: .6rem 0; max-width: 44rem; }
.step ul, .step ol { max-width: 44rem; }

/* command blocks */
.cmd { margin: 1.1rem 0; border-radius: var(--radius); overflow: hidden; background: var(--code-bg); box-shadow: var(--shadow); }
.cmd:target { box-shadow: 0 0 0 3px var(--teal-300); }
.cmd-head { display: flex; align-items: center; gap: .6rem; padding: .55rem .55rem .55rem 1rem; background: var(--code-head); flex-wrap: wrap; }
.cmd-title { flex: 1; min-width: 12rem; font: 700 .86rem var(--font); color: #e3e8ee; }
.tabs { display: flex; gap: .2rem; background: var(--code-bg); padding: .2rem; border-radius: 99px; }
.tabs button { font: 700 .78rem var(--font); text-transform: lowercase; color: #aab6c2; background: none; border: 0; padding: .3rem .75rem; border-radius: 99px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--teal-300); color: var(--eb-900); }
.copy { font: 700 .86rem var(--font); text-transform: lowercase; min-width: 5.4rem; min-height: 2.3rem; padding: .3rem 1rem; cursor: pointer; color: var(--eb-900); background: var(--teal-300); border: 0; border-radius: 12px; box-shadow: var(--halo); transition: box-shadow .15s ease-out; }
.copy:hover { box-shadow: var(--halo-hover); }
.copy:active { box-shadow: none; transition: none; }
.copy[data-state="copied"] { background: #fff; }
.cmd pre { margin: 0; padding: 1rem 1.15rem 1.15rem; overflow-x: auto; font: .86rem/1.6 var(--mono); color: var(--code-text); tab-size: 2; }
.cmd pre code { background: none; padding: 0; font-size: inherit; white-space: pre; }
.cmd [hidden] { display: none; }
.cmd .expect { max-width: none; }
.expect { margin: 0; padding: .7rem 1.1rem .8rem; background: #2b3540; color: #d3dbe3; font-size: .9rem; line-height: 1.5; }
.expect::before { content: "expect  "; font: 700 .78rem var(--font); color: var(--teal-300); margin-right: .4rem; }
.expect code { background: #3a4654; color: #fff; }
.expect a { color: var(--teal-300); }

/* callouts */
.checkpoint { margin: 1.6rem 0 .4rem; padding: 1.15rem 1.3rem; border-radius: var(--radius); background: var(--aq-50, #DCF2EB); box-shadow: var(--shadow); }
.checkpoint h4 { margin: 0 0 .5rem; font: 700 .95rem var(--font); color: #00694c; }
.checkpoint ul { margin: 0; padding-left: 1.2rem; }
.checkpoint p { margin: .6rem 0 0; font-size: .92rem; color: var(--eb-700); }
.checkpoint a { color: #00694c; }
.note { margin: 1rem 0; padding: .8rem 1.1rem; background: var(--warn-bg); border-radius: var(--radius); max-width: 44rem; box-shadow: inset 0 0 0 1px #FFAA6C; }
.note.info { background: var(--a1-soft); box-shadow: inset 0 0 0 1px var(--teal-300); }
.stuck { font-size: .9rem; margin-top: .5rem; color: var(--muted); }

details.side-quest { margin: 1.6rem 0 0; border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
details.side-quest summary { cursor: pointer; padding: .95rem 1.15rem; font-weight: 700; list-style: none; display: flex; gap: .7rem; align-items: center; }
details.side-quest summary::-webkit-details-marker { display: none; }
details.side-quest summary::before { content: "▸"; color: var(--accent); transition: transform .15s; }
details.side-quest[open] summary::before { transform: rotate(90deg); }
details.side-quest summary small { font-weight: 400; color: var(--muted); margin-left: auto; }
.sq-body { padding: 0 1.15rem 1.15rem; }
.sq-body p { max-width: 44rem; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tw { overflow-x: auto; border-radius: var(--radius); background: var(--surface); margin: 1rem 0; box-shadow: var(--shadow); }
th, td { text-align: left; vertical-align: top; padding: .65rem .9rem; border-bottom: 1px solid var(--eb-50); }
th { font: 700 .82rem var(--font); color: var(--muted); background: var(--eb-25); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* done button */
.stepfoot { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; margin: 1.4rem 0 0; }
.done { font: 700 .92rem var(--font); text-transform: lowercase; display: inline-flex; align-items: center; gap: .55rem; padding: .65rem 1.15rem; min-height: 2.75rem; border-radius: 12px; cursor: pointer; border: 0; background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.done:hover { box-shadow: var(--shadow-hover); }
.done .box { width: 1.15rem; height: 1.15rem; border: 2px solid var(--eb-300); border-radius: 5px; position: relative; }
.done[aria-pressed="true"] { background: var(--teal-300); color: var(--eb-900); box-shadow: var(--halo); }
.done[aria-pressed="true"] .box { border-color: var(--eb-900); }
.done[aria-pressed="true"] .box::after { content: ""; position: absolute; left: 4px; top: 0; width: 5px; height: 10px; border: solid var(--eb-900); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.next { font-weight: 700; text-decoration: none; }

/* tail sections */
.tail { margin: 4rem 0 0; padding-top: 1.4rem; border-top: 1px solid var(--line); scroll-margin-top: 4.2rem; }
.tail h2 { font: 700 1.9rem var(--font); margin: 0 0 .5rem; letter-spacing: -.01em; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
.filters input[type=search] { flex: 1; min-width: 12rem; font: inherit; padding: .6rem .9rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); }
.filters input[type=search]:focus { border-color: var(--teal-300); outline: none; box-shadow: 0 0 0 3px var(--teal-100); }
.chip { font: 700 .86rem var(--font); text-transform: lowercase; padding: .5rem .95rem; border-radius: 99px; border: 0; background: var(--surface-2); color: var(--text); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--teal-300); color: var(--eb-900); }
.gloss { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: .9rem; margin-top: 1rem; }
.gloss div { padding: 1rem 1.15rem; border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.gloss dt { font-weight: 700; margin-bottom: .2rem; }
.gloss dd { margin: 0; color: var(--muted); font-size: .92rem; }
footer { margin: 4rem 0 0; padding: 1.5rem 0 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.empty { display: none; padding: 1rem; color: var(--muted); }

/* responsive */
@media (max-width: 62rem) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0 1rem; }
  .side { display: none; }
  .jump { display: block; }
  .toplinks a { display: none; }
  .brand { font-size: 0; gap: 0; }
  .terms { grid-template-columns: 1fr; }
  .choices.os { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 2.3rem; }
  .step h3 { font-size: 1.3rem; }
  .cmd pre { font-size: .8rem; }
}

@media print {
  .topbar, .side, .copy, .tabs, .stepfoot, .filters { display: none !important; }
  .layout { display: block; }
  .cmd { break-inside: avoid; background: #fff; color: #000; box-shadow: none; border: 1px solid #999; }
  .cmd pre, .expect, .cmd-head { background: #fff; color: #000; }
}