/* House Rules site, dressed like the "Hosting the AI Slop Party" deck. One file, self-hosted fonts, no build step. */

@font-face {
  font-family: "Bebas Neue";
  src: url("fonts/bebasneue-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: Mulish;
  src: url("fonts/mulish-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: Mulish;
  src: url("fonts/mulish-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: Mulish;
  src: url("fonts/mulish-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --bg: #FFF3DC;
  --bg-2: #FFEFC7;
  --ink: #15171D;
  /* Border of inline code; the deck's tan is too faint next to cream. */
  --ink-muted: #75664E;
  --line: #15171D;
  --panel: #1E2430;
  --panel-ink: #FFF3DC;
  --panel-muted: #C2BBA9;
  --accent: #EE2B37;
  --accent-2: #FFC512;
  --accent-3: #59C1EE;
  /* Link text: #EE2B37 is 3.8:1 on cream, so links take a darker red (5.1:1). */
  --link: #CC1A26;
  --room-kitchen: #EE2B37;
  --room-living-room: #59C1EE;
  --room-garage: #FFC512;
  --room-driveway: #FF7A1A;
  --room-safe-room: #15171D;
  --font-body: Mulish, system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --font-display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --measure: 70ch;
  --space: clamp(1rem, 0.75rem + 1vw, 1.5rem);
  --radius: 4px;
  --shadow: 4px 4px 0 var(--line);
  /* Full-bleed bands pad so their text lines up with the centred column. */
  --gutter: max(var(--space), (100% - var(--measure)) / 2);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171D;
    --bg-2: #1B2130;
    --ink: #FFF3DC;
    --ink-muted: #C2BBA9;
    --line: #FFF3DC;
    --link: #FFC512;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  background-image: repeating-conic-gradient(from 0deg at 50% 40%, var(--bg) 0 6deg, var(--bg-2) 6deg 12deg);
  background-attachment: fixed;
}

a { color: var(--link); text-decoration-thickness: 2px; text-underline-offset: 0.15em; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--line); outline-offset: 2px; border-radius: 2px; }
.site-header :focus-visible, .site-footer :focus-visible, pre :focus-visible { outline-color: var(--panel-ink); }

/* Display type: Bebas Neue, uppercase, tracked. Never body text. */
h1, h2, h3, th, summary, .eyebrow, .site-title, .site-source, .site-nav a, .skip-link, .copy {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--space);
  inset-block-start: -100%;
  z-index: 1;
  padding: 0.5em 1em;
  font-size: 1.2rem;
  color: #15171D;
  background: var(--accent-2);
  border: 2px solid #15171D;
  border-radius: 0 0 var(--radius) var(--radius);
}

.skip-link:focus { inset-block-start: 0; }

/* Header and footer are the deck's dark title cards; the page between them is the sunburst. */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem var(--space);
  padding: var(--space) var(--gutter);
  color: var(--panel-ink);
  background: var(--panel);
  border-block-end: 2px solid var(--line);
}

.site-header .eyebrow { margin-block-end: 0; color: var(--accent-2); }

.site-title {
  display: inline-block;
  font-size: clamp(2.25rem, 1.8rem + 1.8vw, 3.25rem);
  line-height: 1;
  color: var(--panel-ink);
  text-decoration: none;
}

.site-title:hover { color: var(--accent-2); }
.site-tagline { max-width: 52ch; margin: 0.4rem 0 0; font-size: 0.95rem; color: var(--panel-muted); }

.site-source {
  padding: 0.35em 0.9em 0.25em;
  font-size: 1.2rem;
  color: var(--panel-ink);
  text-decoration: none;
  border: 2px solid var(--panel-ink);
  border-radius: var(--radius);
}

.site-source:hover { color: #15171D; background: var(--accent-2); border-color: var(--accent-2); }

.site-nav { padding-inline: var(--gutter); background: var(--bg-2); border-block-end: 2px solid var(--line); }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 0 0.25rem; margin: 0; padding: 0; list-style: none; }

.site-nav a {
  display: inline-block;
  padding: 0.6rem 0.6rem 0.4rem;
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
  border-block-end: 4px solid transparent;
}

.site-nav a:hover { border-block-end-color: var(--accent); }
.site-nav a[aria-current="page"] { border-block-end-color: var(--accent-2); }

#content {
  flex: 1;
  width: min(var(--measure), 100% - 2 * var(--space));
  margin-inline: auto;
  padding-block: var(--space) calc(2 * var(--space));
}

h1, h2, h3 { line-height: 1.05; margin-block: 1.4em 0.5em; text-wrap: balance; }
h1 { font-size: clamp(2.75rem, 2.1rem + 2.6vw, 4.25rem); margin-block-start: 0.3em; }
h2 { font-size: clamp(2rem, 1.6rem + 1.5vw, 2.75rem); }
/* Never below 24px: the room bands set ink on the deck red, which only passes as large text. */
h3 { font-size: clamp(1.5rem, 1.25rem + 0.8vw, 1.8rem); }
h4 { font-size: 1.05rem; margin-block: 1.4em 0.4em; }

h1::after, h2::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 0.4rem;
  margin-block-start: 0.35rem;
  background: var(--accent-2);
  border: 2px solid var(--line);
  border-radius: 2px;
}

.eyebrow { margin: 0 0 0.4rem; font-size: clamp(1.1rem, 1rem + 0.4vw, 1.35rem); color: var(--link); }

p, ul, ol { margin-block: 0 1em; }
li + li { margin-block-start: 0.25em; }
img, svg { max-width: 100%; height: auto; }
hr { border: 0; border-block-start: 2px solid var(--line); margin-block: 2em; }

blockquote {
  margin: 0 0 1em;
  padding: 0.75em 1em;
  background: var(--bg-2);
  border: 2px solid var(--line);
  border-inline-start: 8px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

blockquote > :last-child { margin-block-end: 0; }

code, kbd, pre { font-family: var(--mono); font-size: 0.9em; }

code {
  padding: 0.1em 0.35em;
  background: var(--bg-2);
  border: 1px solid var(--ink-muted);
  border-radius: 3px;
}

pre {
  position: relative;
  margin-block: 0 1em;
  padding: 1em 1.1em;
  color: var(--panel-ink);
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
  line-height: 1.45;
}

pre code { padding: 0; color: inherit; background: none; border: 0; font-size: inherit; }

.highlight .c, .highlight .c1, .highlight .cm, .highlight .cp { color: var(--panel-muted); font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .nt, .highlight .nb { color: var(--accent-2); }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .na, .highlight .nv { color: var(--accent-3); }

/* site.js adds a Copy button inside each code block. Ink on yellow in both schemes. */
.copy {
  position: absolute;
  inset-block-start: 0.5em;
  inset-inline-end: 0.5em;
  padding: 0.2em 0.6em 0.1em;
  font-size: 0.95rem;
  color: #15171D;
  background: var(--accent-2);
  border: 2px solid #15171D;
  border-radius: var(--radius);
  cursor: pointer;
}

.copy:hover { background: var(--panel-ink); }

/* Mermaid source reads as a code block until an SVG is in it. site.js themes the diagram from --bg-2 and
   --ink, so the rendered card takes the page colour: cream in light, ink in dark. */
.mermaid:has(svg) { padding: var(--space); background: var(--bg); text-align: center; }
.mermaid svg { display: block; margin-inline: auto; max-width: 100%; height: auto; }
[data-mermaid="failed"] { white-space: pre-wrap; }

/* site.js wraps wide tables so they scroll in their own box; the table keeps its semantics. */
.table-wrap { overflow-x: auto; margin-block: 0 1em; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 0.95em; background: var(--bg-2); }
th, td { padding: 0.5em 0.75em; border: 2px solid var(--line); text-align: start; vertical-align: top; }
th { font-size: 1.15rem; color: var(--panel-ink); background: var(--panel); }

details {
  margin-block: 0 1em;
  padding: 0 1em;
  background: var(--bg-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

summary { padding-block: 0.6em 0.45em; font-size: 1.3rem; cursor: pointer; }
details[open] summary { margin-block-end: 0.75em; border-block-end: 2px solid var(--line); }

/* Landing page pieces. Cards echo the deck's outlined illustrations: hard border, hard shadow. */
.card {
  padding: 1em 1.1em;
  background: var(--bg-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card > :first-child { margin-block-start: 0; }
.card > :last-child { margin-block-end: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: calc(var(--space) + 4px);
  margin-block: 0 1.5em;
}

.hero, .split { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space); }
.hero { align-items: center; margin-block: var(--space) calc(2 * var(--space)); }
.hero h1 { margin-block-start: 0; }
.hero img { width: min(100%, 15rem); margin-inline: auto; }
.hero .lede { font-size: 1.25rem; font-weight: 700; }
.hero ul { padding: 0; list-style: none; }

.split { align-items: start; margin-block: 0 1.5em; }
.split figure { margin: 0; }
.split img { width: min(100%, 10rem); }
.split > :last-child > :last-child { margin-block-end: 0; }

@media (min-width: 40em) {
  .hero { grid-template-columns: minmax(0, 1fr) 15rem; }
  .split { grid-template-columns: 10rem minmax(0, 1fr); }
}

.figure { margin: 0 0 1.5em; }
.figure img { display: block; width: 100%; border: 2px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* Room cards: a solid band in the room colour, a 30% tint below it so body text stays ink or cream. */
.room {
  --room: var(--ink);
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  background: var(--bg-2);   /* fallback where color-mix() is unsupported */
  background: color-mix(in srgb, var(--room) 30%, var(--bg));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.room__head {
  display: flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.5em 0.9em;
  color: #15171D;
  background: var(--room);
  border-block-end: 2px solid var(--line);
}

.room__head img { width: 3.5rem; flex: none; }
.room__head h3 { margin: 0; }
.room__body { padding: 0.8em 0.9em; }
.room__body p { margin: 0; }
.room__body p + p { margin-block-start: 0.4em; font-weight: 700; }

.room--kitchen { --room: var(--room-kitchen); }
.room--living-room { --room: var(--room-living-room); }
.room--garage { --room: var(--room-garage); }
.room--driveway { --room: var(--room-driveway); }
.room--safe-room { --room: var(--room-safe-room); grid-column: 1 / -1; color: var(--panel-ink); background: var(--panel); }
.room--safe-room .room__head { color: var(--panel-ink); border-block-end-color: var(--panel-ink); }

/* Bebas is caps-only; file names in table headers keep their case. */
th code { text-transform: none; }

.site-footer {
  padding: var(--space) var(--gutter);
  font-size: 0.9rem;
  color: var(--panel-muted);
  background: var(--panel);
  border-block-start: 2px solid var(--line);
}

.site-footer a { color: var(--accent-2); }
.site-footer a:hover { color: var(--panel-ink); }
.site-footer p { margin-block: 0 0.25em; }

@media print {
  .skip-link, .site-nav, .site-source, .copy { display: none; }
  body { background: #fff; color: #000; }
  .site-header, .site-footer, pre, th { color: #000; background: #fff; }
  a { color: #000; }
  #content a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
  pre, blockquote, details, .card, .room, .table-wrap, .figure img { box-shadow: none; }
  pre, table, details, .mermaid, .card, .room { break-inside: avoid; }
}