/* ==========================================================================
   Venn-acular — pages.css
   Styles for the information pages (about, how to play, privacy...).
   Colours and fonts are the same as the game (copied from style.css).
   ========================================================================== */

:root {
  color-scheme: light;

  /* Surfaces and ink */
  --bg: #F9F8F6;             /* warm off-white page */
  --surface: #FFFEFC;        /* dialogs */
  --card: #FFFFFF;           /* rule labels, input, pills */
  --field-off: #F1EFEA;      /* disabled input */
  --ink: #2C2C2C;            /* deep charcoal text */
  --ink-soft: #6C6861;       /* secondary text (4.9:1 on --bg) */
  --hairline: #E2DED5;       /* thin dividers and borders */
  --placeholder: #9A958C;
  --btn-bg: #2C2C2C;
  --btn-ink: #F9F8F6;
  --btn-hover: #474747;
  --shadow: rgba(44, 44, 44, 0.22);
  --backdrop: rgba(249, 248, 246, 0.72);

  /* Left circle: dusty rose */
  --a: #B98F97;
  --a-fill: #E0C9CC;
  --a-ink: #6B4550;

  /* Right circle: soft warm grey */
  --b: #9C99A0;
  --b-fill: #CCCACD;
  --b-ink: #4A4850;

  /* Overlap: the mauve you get when rose and grey multiply */
  --both: #8B6E77;
  --both-ink: #4E3840;

  /* Outside, rare words, alerts */
  --out: #B9B3A6;
  --out-line: #D6D0C4;
  --out-ink: #6C6861;
  --rare: #A9782F;           /* muted gold sparkle */
  --alert: #A63D40;

  /* Difficulty chips */
  --easy: #6E8B5E;
  --medium: #B48A3C;
  --hard: #8B5A6B;

  --circle-blend: multiply;

  /* Type */
  --serif: "Playfair Display", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Shape */
  --radius-lg: 24px;
  --radius-md: 14px;
}

/* Dark theme: follows the device unless the player picked Light in Settings */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #1B1A19;
    --surface: #242321;
    --card: #2B2A28;
    --field-off: #232220;
    --ink: #EDEAE4;
    --ink-soft: #A8A39A;
    --hairline: #3A3835;
    --placeholder: #7E796F;
    --btn-bg: #EDEAE4;
    --btn-ink: #1B1A19;
    --btn-hover: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.55);
    --backdrop: rgba(20, 19, 18, 0.7);
    --a: #A27880;
    --a-fill: #5A4046;
    --a-ink: #E7C3CA;
    --b: #8D8A92;
    --b-fill: #45444A;
    --b-ink: #D5D3DA;
    --both: #B796A1;
    --both-ink: #F1DCE3;
    --out: #6E6960;
    --out-line: #4A4742;
    --out-ink: #B2ADA4;
    --rare: #D9A94F;
    --alert: #E07A7C;
    --easy: #8FB07D;
    --medium: #D3A85A;
    --hard: #C58A9E;
    --circle-blend: screen;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1B1A19;
  --surface: #242321;
  --card: #2B2A28;
  --field-off: #232220;
  --ink: #EDEAE4;
  --ink-soft: #A8A39A;
  --hairline: #3A3835;
  --placeholder: #7E796F;
  --btn-bg: #EDEAE4;
  --btn-ink: #1B1A19;
  --btn-hover: #FFFFFF;
  --shadow: rgba(0, 0, 0, 0.55);
  --backdrop: rgba(20, 19, 18, 0.7);
  --a: #A27880;
  --a-fill: #5A4046;
  --a-ink: #E7C3CA;
  --b: #8D8A92;
  --b-fill: #45444A;
  --b-ink: #D5D3DA;
  --both: #B796A1;
  --both-ink: #F1DCE3;
  --out: #6E6960;
  --out-line: #4A4742;
  --out-ink: #B2ADA4;
  --rare: #D9A94F;
  --alert: #E07A7C;
  --easy: #8FB07D;
  --medium: #D3A85A;
  --hard: #C58A9E;
  --circle-blend: screen;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--a-ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--hairline);
}
.page-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 24px;
  font-style: italic;
  text-decoration: none;
  white-space: nowrap;
}
.page-brand svg circle { stroke-width: 1.6; mix-blend-mode: var(--circle-blend); }
.page-brand .mark-a { fill: var(--a-fill); stroke: var(--a); }
.page-brand .mark-b { fill: var(--b-fill); stroke: var(--b); }
.play-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 12px;
  background: var(--btn-bg);
  color: var(--btn-ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.play-link:hover { background: var(--btn-hover); color: var(--btn-ink); }

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}
.page .kicker {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.page h1 {
  margin: 6px 0 10px;
  font-family: var(--serif);
  font-size: clamp(32px, 6vw, 44px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.page .lead { margin: 0 0 8px; font-size: 19px; color: var(--ink-soft); }
.page h2 {
  margin: 38px 0 8px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
}
.page h3 { margin: 26px 0 4px; font-size: 18px; font-weight: 600; }
.page p, .page ul, .page ol { margin: 0 0 14px; }
.page ul, .page ol { padding-left: 22px; }
.page li { margin-bottom: 6px; }
.page strong { font-weight: 600; }
.page .muted { color: var(--ink-soft); font-size: 15px; }

/* Example words shown as the game's pills */
.words { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 16px; padding: 0; list-style: none; }
.words li {
  margin: 0;
  padding: 2px 11px;
  border: 1px solid var(--out-line);
  border-radius: 999px;
  background: var(--card);
  color: var(--out-ink);
  font-size: 14.5px;
  font-weight: 500;
}
.words.a li { border-color: var(--a); color: var(--a-ink); }
.words.b li { border-color: var(--b); color: var(--b-ink); }
.words.both li { border-color: var(--both); color: var(--both-ink); font-weight: 600; }

/* A worked example: two rules and where words land */
.example {
  margin: 18px 0 22px;
  padding: 16px 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--card);
}
.example p { margin-bottom: 6px; }
.example .words { margin-bottom: 8px; }

/* Venn picture used on a few pages */
.venn-figure { margin: 18px auto 24px; max-width: 420px; text-align: center; }
.venn-figure svg { width: 100%; height: auto; }
.venn-figure figcaption { margin-top: 6px; font-size: 14px; color: var(--ink-soft); }

.table-wrap { overflow-x: auto; margin: 10px 0 18px; }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--hairline); text-align: left; vertical-align: top; }
th { font-weight: 600; font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-soft); }

details.faq {
  border-bottom: 1px solid var(--hairline);
  padding: 4px 0;
}
details.faq summary {
  padding: 12px 0;
  font-weight: 600;
  cursor: pointer;
}
details.faq p { margin: 0 0 14px; color: var(--ink-soft); }

.cta {
  margin: 34px 0 0;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--both) 12%, var(--card));
  text-align: center;
}
.cta p { margin: 0 0 12px; font-family: var(--serif); font-size: 21px; font-style: italic; }

.page-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 20px 40px;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--ink-soft);
}
.page-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
.page-footer a { color: var(--ink-soft); }
.page-footer a:hover { color: var(--ink); }

@media (max-width: 560px) {
  body { font-size: 16.5px; }
  .page { padding-top: 22px; }
  .page h2 { font-size: 23px; }
  .page-brand { font-size: 21px; }
}