/* BeepoTalk site - shared styles for every page.
 * Colours mirror the app's Playground tokens (src/constants/theme.ts): jade = the act,
 * sky = translate/learning, seal (vermillion) = corrections, purple = Pro, fire = energy.
 * Jade as a FILL takes a dark label (white on jade is 2.74:1, fails AA); jade as TEXT uses --jade-text.
 * Bilingual: <html data-lang="en|ko"> hides the other language's [data-l] nodes (Beepo/Gridless pattern). */
:root {
  color-scheme: light dark;
  --bg: #F6F8F7; --bg-2: #EAF6EF; --card: #FFFFFF; --line: #E1E7E4;
  --ink: #1C2433; --sub: #5D6472;
  --jade: #16B364; --jade-deep: #0E8F4F; --jade-text: #0B7F4B; --on-jade: #0E1512;
  --sky: #2AA7F5; --sky-soft: #E4F3FD; --sky-text: #0A6FB3;
  --seal: #D8442E; --seal-soft: #FBEAE4; --seal-text: #B0361F;
  --pro: #A855F7; --pro-text: #6D28D9; --pro-soft: #F3E8FF;
  --fire: #FF9600; --fire-text: #B85F00;
  --stage: #0F1A16; --stage-2: #13241D; --stage-ink: #F1F7F9; --stage-sub: #A8B8C0;
  --radius: 20px; --shadow: 0 1px 2px rgba(28,36,51,.06), 0 8px 24px rgba(28,36,51,.07);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1512; --bg-2: #12201A; --card: #16211C; --line: #24332C;
    --ink: #F1F7F9; --sub: #A8B8C0;
    --jade: #3DD68C; --jade-deep: #2BB673; --jade-text: #5BE3A0; --on-jade: #0E1512;
    --sky: #49B7F7; --sky-soft: #10283A; --sky-text: #7CCBFA;
    --seal: #F0664F; --seal-soft: #33191A; --seal-text: #FF8E7A;
    --pro: #B57CFF; --pro-text: #C9A2FF; --pro-soft: #251A36;
    --fire-text: #FFB347;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  }
}
html[data-lang="en"] [data-l="ko"], html[data-lang="ko"] [data-l="en"] { display: none !important; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", Roboto, sans-serif;
}
html[data-lang="ko"] body { word-break: keep-all; }
a { color: var(--jade-text); text-underline-offset: 3px; }
img { max-width: 100%; }
.inner { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -48px; z-index: 50; background: var(--jade); color: var(--on-jade);
  font-weight: 700; padding: 10px 16px; border-radius: 12px; text-decoration: none; }
.skip:focus { top: 8px; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 6px; }

/* ---------- header ---------- */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line); }
.top .inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800;
  font-size: 19px; letter-spacing: -.2px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.top nav { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 15px; }
.top nav a { color: var(--sub); text-decoration: none; font-weight: 600; }
.top nav a:hover, .top nav a[aria-current="page"] { color: var(--ink); }
.langtoggle { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--card); }
.langtoggle button { font: inherit; font-size: 13px; font-weight: 700; border: 0; background: transparent; color: var(--sub);
  padding: 5px 11px; border-radius: 999px; cursor: pointer; min-height: 32px; }
.langtoggle button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
@media (max-width: 560px) { .top nav .navlink { display: none; } }

/* ---------- buttons / pills ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; text-decoration: none;
  padding: 15px 24px; border-radius: 16px; background: var(--jade); color: var(--on-jade);
  box-shadow: 0 4px 0 var(--jade-deep); transition: transform .08s ease, box-shadow .08s ease; }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--jade-deep); }
.btn.soon { background: var(--card); color: var(--ink); box-shadow: 0 4px 0 var(--line); border: 1px solid var(--line); cursor: default; }
.btn svg { width: 20px; height: 20px; }
.pill { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.pill.jade { background: var(--bg-2); color: var(--jade-text); }
.pill.sky { background: var(--sky-soft); color: var(--sky-text); }
.pill.seal { background: var(--seal-soft); color: var(--seal-text); }
.pill.pro { background: var(--pro-soft); color: var(--pro-text); }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--line); margin-top: 24px; padding: 32px 0 44px; font-size: 14px; color: var(--sub); }
footer.site .links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 14px; }
footer.site .links a { color: var(--ink); font-weight: 600; text-decoration: none; }
footer.site p { margin: 6px 0; }
footer.site .legal { font-size: 12.5px; line-height: 1.6; }

/* ---------- document pages (support / privacy / terms) ---------- */
.doc { padding: 40px 0 24px; }
.doc h1 { font-size: clamp(28px, 4.5vw, 38px); line-height: 1.15; letter-spacing: -.6px; margin: 0 0 8px; text-wrap: balance; }
.doc h2 { font-size: 21px; line-height: 1.3; margin: 40px 0 10px; letter-spacing: -.2px; }
.doc h3 { font-size: 17px; margin: 22px 0 6px; }
.doc p, .doc li { margin: 0 0 10px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc .meta { color: var(--sub); font-size: 15px; }
.doc .box { border: 1px solid var(--line); background: var(--card); border-radius: 16px; padding: 18px 20px; margin: 18px 0; box-shadow: var(--shadow); }
.doc .box p:last-child { margin-bottom: 0; }
.table-wrap { overflow-x: auto; margin: 14px 0; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; line-height: 1.5; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { background: var(--bg-2); font-weight: 700; }
tr:last-child td { border-bottom: 0; }
.doc details { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 4px 18px; margin: 10px 0; }
.doc summary { cursor: pointer; font-weight: 700; padding: 12px 0; }
