/* Shared stylesheet for the APK sites. Brand colours come from inc/site.php (--accent, --accent-2). */
:root {
  --bg: #f6f6fa; --surface: #fff; --surface-2: #efeff6; --ink: #14141d; --ink-2: #454557; --muted: #6a6a7e;
  --line: #e2e2ec; --header-bg: rgba(255,255,255,.86); --on-accent: #fff;
  --radius: 16px; --shadow: 0 1px 2px rgba(20,20,40,.05), 0 10px 30px rgba(20,20,40,.07);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d13; --surface: #16161f; --surface-2: #1c1c28; --ink: #f0f0f6; --ink-2: #c2c2d2; --muted: #8e8ea4;
    --line: #2a2a3a; --header-bg: rgba(13,13,19,.85); --on-accent: #0d0d13; --shadow: 0 10px 30px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 2px; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .5em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
code { font: .85em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.wrap { max-width: 1120px; margin-inline: auto; padding-inline: 20px; }
.narrow { max-width: 820px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; z-index: 99; background: var(--surface); padding: 8px 12px; }
.i { width: 1.2em; height: 1.2em; flex: none; vertical-align: -.2em; } .i.sm { width: 1em; height: 1em; }

/* header */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--header-bg); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.hdr { display: flex; align-items: center; gap: 16px; min-height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 1.12rem; letter-spacing: -.02em; }
.brand img { border-radius: 10px; }
.brand b { color: var(--accent); font-weight: 800; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: .94rem; padding: 8px 10px; border-radius: 10px; }
.nav a:hover, .nav a[aria-current] { color: var(--accent); background: var(--accent-soft); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); padding: 7px; cursor: pointer; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .hdr-cta { display: none; }
  .nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 12px 14px; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; padding: .8em 1.25em; border-radius: 12px; border: 0; background: var(--accent); color: var(--on-accent); font: 700 1rem/1.2 var(--font); text-decoration: none; cursor: pointer; transition: transform .15s, filter .15s; }
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn small { font-weight: 600; opacity: .8; }
.btn-lg { padding: 1em 1.4em; font-size: 1.08rem; }
.btn-sm { padding: .55em .9em; font-size: .9rem; border-radius: 10px; }
.btn-block { display: flex; width: 100%; }
.btn-ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1.5px currentColor; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

/* hero */
.hero { padding-block: 44px 36px; background:
  radial-gradient(900px 380px at 0% -10%, var(--accent-soft), transparent 70%),
  radial-gradient(700px 320px at 100% 0%, var(--accent-2-soft), transparent 70%); }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero-grid > *, .grid-2 > *, .page-body > * { min-width: 0; }
@media (min-width: 920px) { .hero-grid { grid-template-columns: 1.2fr .95fr; gap: 44px; } }
.hero h1 { font-size: clamp(1.85rem, 4.6vw, 2.9rem); letter-spacing: -.025em; line-height: 1.08; }
.hero h1 .hl { color: var(--accent); }
.lead { font-size: 1.1rem; color: var(--ink-2); max-width: 62ch; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.chips li { display: inline-flex; align-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: .9rem; font-weight: 600; color: var(--ink-2); }
.chips .i { color: var(--accent); }

/* app card */
.app-card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 20px; box-shadow: var(--shadow); scroll-margin-top: 80px; }
.app-head { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.app-ico { width: 64px; height: 64px; border-radius: 16px; object-fit: contain; background: var(--surface-2); }
.app-name { font-size: 1.2rem; margin: 0 0 4px; }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: .78rem; font-weight: 700; color: #0f7a3d; background: rgba(22,163,74,.12); padding: 3px 9px; border-radius: 999px; }
@media (prefers-color-scheme: dark) { .badge { color: #4ade80; } }
.app-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 0 0 16px; }
.app-meta div { background: var(--surface); padding: 9px 12px; min-width: 0; }
.app-meta dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 700; }
.app-meta dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.app-meta div:last-child:nth-child(odd) { grid-column: 1 / -1; }
.app-card .btn small { white-space: nowrap; }
.app-note { font-size: .88rem; color: var(--muted); margin: 10px 0 0; }
.sha { display: flex; align-items: center; gap: 8px; margin: 12px 0 0; font-size: .78rem; color: var(--muted); }
.sha code { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.copy { font: 600 .75rem var(--font); background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); border-radius: 8px; padding: 3px 8px; cursor: pointer; }

/* sections */
.section { padding-block: 44px; }
.section.alt { background: var(--surface); border-block: 1px solid var(--line); }
.kicker { display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.sec-head { max-width: 720px; margin-bottom: 26px; }
.sec-head p { color: var(--ink-2); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-2 { display: grid; gap: 20px; }
@media (min-width: 820px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.section.alt .card { background: var(--bg); }
.card h3 { display: flex; align-items: center; gap: 10px; }
.card p { color: var(--ink-2); margin: 0; }
.ico-box { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); flex: none; }
a.card { display: block; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
a.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; color: var(--accent); font-weight: 700; font-size: .92rem; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; display: grid; gap: 16px; }
@media (min-width: 820px) { .steps.cols { grid-template-columns: repeat(3, 1fr); } }
.steps > li { counter-increment: s; position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 20px 70px; }
.steps > li::before { content: counter(s); position: absolute; left: 20px; top: 18px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 800; }
.steps h3 { margin-bottom: 6px; }
.steps p { margin: 0; color: var(--ink-2); }
.steps img { margin-top: 12px; border-radius: 12px; border: 1px solid var(--line); }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: .95rem; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
th { background: var(--surface-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
td .yes { color: #16a34a; font-weight: 700; } td .no { color: #dc2626; font-weight: 700; }
td .btn { white-space: nowrap; }
table.compact { min-width: 0; }
@media (max-width: 520px) { table.compact th, table.compact td { padding: 10px; } }
tr.hl td { background: var(--accent-soft); }

/* prose (long-form pages) */
.prose { max-width: 780px; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.3em; }
.prose p, .prose li { color: var(--ink-2); }
.prose li { margin-bottom: .4em; }
.prose img { border-radius: 12px; border: 1px solid var(--line); display: block; margin: 16px 0; }
.prose .app-card { margin: 22px 0; }
.note { display: flex; gap: 12px; background: var(--accent-soft); border-left: 4px solid var(--accent); border-radius: 10px; padding: 14px 16px; margin: 18px 0; color: var(--ink); }
.note .i { color: var(--accent); margin-top: 3px; }
.note p:last-child { margin: 0; }

/* inner page head */
.page-head { padding-block: 34px 26px; background: radial-gradient(900px 300px at 0% -20%, var(--accent-soft), transparent 70%); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: -.02em; }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); } .crumbs span { margin-inline: 4px; }
.updated { display: flex; align-items: center; gap: 6px; font-size: .88rem; color: var(--muted); margin: 0; }
.page-body { display: grid; gap: 32px; padding-block: 34px 10px; }
@media (min-width: 980px) { .page-body.with-side { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; } .side { position: sticky; top: 84px; } }

/* faq */
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-block: 10px; }
.faq summary { padding: 15px 18px; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding: 0 18px 16px; color: var(--ink-2); }
.faq details > div p:last-child { margin: 0; }

/* cta band */
.cta { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-radius: 22px; padding: 30px; display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
.cta h2 { margin: 0 0 4px; } .cta p { margin: 0; opacity: .9; }
.cta .btn { background: #fff; color: #14141d; }

/* footer */
.site-footer { margin-top: 40px; background: var(--surface); border-top: 1px solid var(--line); padding-block: 36px 24px; font-size: .94rem; }
.ft-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.ft-brand p { color: var(--muted); margin-top: 10px; max-width: 32ch; }
.site-footer h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--ink-2); text-decoration: none; } .site-footer a:hover { color: var(--accent); }
.disclaimer { margin: 26px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.copy { color: var(--muted); font-size: .85rem; margin: 0; }