/* TCHAHIT /app — website, installable web app and Android APK. Route-only styles. */
.app-download { --ad-ink: var(--tc-text); --ad-muted: var(--tc-text-2); --ad-card: #fff; --ad-line: var(--tc-line); --ad-bg: var(--tc-bg); --ad-brand: var(--tc-brand-500); --ad-brand-ink: var(--tc-brand-600); --ad-brand-2: #ff9d50; --ad-soft: #fff4ec;
  min-height: 100vh; padding: 0 0 120px; color: var(--ad-ink); background: var(--ad-bg); }
.app-download-top { position: sticky; top: 0; z-index: 10; height: 72px; padding: 0 max(16px, calc((100vw - 1120px) / 2)); display: flex; align-items: center; justify-content: space-between; background: color-mix(in srgb, var(--ad-bg) 88%, transparent); backdrop-filter: blur(16px); border-bottom: 1px solid var(--ad-line); }
.app-download-top .brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.app-download-top .brand span { display: grid; line-height: 1.1; }
.app-download-top .brand small { color: var(--ad-muted); }

.app-download-hero { width: min(1120px, calc(100% - 32px)); margin: 40px auto 28px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; }
.app-download-hero small { color: var(--ad-brand-ink); font-weight: 700; letter-spacing: .04em; }
.app-download-hero h1 { margin: 8px 0 12px; font-size: clamp(30px, 5vw, 54px); line-height: 1.15; }
.app-download-hero p { margin: 0; max-width: 620px; color: var(--ad-muted); font-size: 17px; line-height: 1.8; }
.app-download-hero .app-download-platforms { margin-top: 10px; font-size: 15px; line-height: 1.7; color: var(--ad-ink); }
.app-download-inapp { margin-top: 16px !important; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; background: var(--ad-soft); color: var(--ad-ink) !important; font-weight: 700; }
.app-download-inapp svg { width: 18px; height: 18px; color: #17803d; }
.app-download-inapp button { margin-inline-start: auto; min-height: 44px; padding: 0 14px; display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 8px; background: var(--ad-brand); color: #fff; font-weight: 700; }
.app-download-qr { margin: 0; padding: 16px; display: grid; justify-items: center; gap: 8px; border: 1px solid var(--ad-line); border-radius: 24px; background: #fff; color: var(--tc-text); box-shadow: 0 20px 50px rgba(20,36,29,.12); }
.app-download-qr svg { width: 168px; height: 168px; }
.app-download-qr figcaption { display: grid; justify-items: center; gap: 2px; font-size: 13px; font-weight: 700; }
.app-download-qr bdi { color: var(--tc-text-2); font-weight: 600; }

.app-download-options { width: min(1120px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr 1.25fr; gap: 16px; align-items: start; }
.app-download-options article { min-width: 0; padding: 24px; display: grid; gap: 12px; border: 1px solid var(--ad-line); border-radius: 24px; background: var(--ad-card); box-shadow: 0 14px 34px rgba(20,36,29,.06); }
.app-download-options article > span { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 16px; background: var(--ad-soft); color: var(--ad-brand); }
.app-download-options h2 { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 22px; }
.app-download-options h2 em { padding: 2px 10px; border: 1px solid var(--tc-brand-200); border-radius: 999px; background: var(--tc-brand-50); color: var(--tc-brand-700); font-size: 13px; font-weight: 600; font-style: normal; }
.app-download-options p, .app-download-options li { color: var(--ad-muted); line-height: 1.75; }
.app-download-options p { margin: 0; }
.app-download-options ul, .app-download-options ol { margin: 0; padding-inline-start: 20px; display: grid; gap: 4px; }
.app-download-options .featured { border: 1px solid var(--tc-line); background: var(--ad-card); box-shadow: var(--tc-shadow-2); }
.app-download-features { padding: 0 !important; list-style: none; }
.app-download-features li { display: flex; align-items: flex-start; gap: 10px; color: var(--ad-ink) !important; font-weight: 700; }
.app-download-features svg { flex: none; width: 20px; height: 20px; margin-top: 4px; color: var(--ad-brand); }

.app-download-button { min-height: 52px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; background: var(--tc-action); color: var(--tc-on-action); font-size: 17px; font-weight: 700; text-decoration: none; box-shadow: none; }
.app-download-button.ghost { background: var(--tc-paper); color: var(--tc-text); border: 1px solid var(--tc-line-strong); box-shadow: none; font-size: 15px; min-height: var(--tc-btn-md); }
.app-download-button.ghost:hover { background: var(--tc-surface-2); }
.app-download-button:focus-visible, .app-download-hash button:focus-visible, .app-download-inapp button:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

.app-download-meta { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.app-download-meta div { padding: 10px 12px; border-radius: 12px; background: var(--ad-bg); }
.app-download-meta dt { color: var(--ad-muted); font-size: 13px; font-weight: 700; }
.app-download-meta dd { margin: 2px 0 0; font-weight: 700; }
.app-download-notes { padding: 12px; border-radius: 12px; background: var(--ad-bg); white-space: pre-wrap; }
.app-download-hash { padding: 14px; display: grid; gap: 8px; border: 1px dashed var(--ad-line); border-radius: 12px; }
.app-download-hash b { display: inline-flex; align-items: center; gap: 6px; }
.app-download-hash b svg { width: 18px; height: 18px; color: #17803d; }
.app-download-hash code { padding: 8px; border-radius: 8px; background: var(--ad-bg); font: 600 12.5px/1.7 ui-monospace, Consolas, monospace; word-break: break-all; }
.app-download-hash button { justify-self: start; min-height: 44px; padding: 0 14px; display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--ad-line); border-radius: 8px; background: var(--ad-card); color: var(--ad-ink); font-weight: 700; }
.app-download-hash svg { width: 16px; height: 16px; }
.app-download-hash small { color: var(--ad-muted); line-height: 1.6; }
.app-download-soon { padding: 14px; border-radius: 12px; background: var(--ad-bg); font-weight: 700; }

.app-download-steps { width: min(1120px, calc(100% - 32px)); margin: 28px auto 0; padding: 26px; border: 1px solid var(--ad-line); border-radius: 24px; background: var(--ad-card); }
.app-download-steps h2 { margin: 0 0 12px; font-size: 22px; }
.app-download-steps ol { margin: 0; padding-inline-start: 22px; display: grid; gap: 10px; color: var(--ad-muted); line-height: 1.8; }
.app-download-updates { margin: 18px 0 0; display: flex; gap: 8px; align-items: flex-start; color: var(--ad-muted); }
.app-download-updates svg { flex: none; width: 18px; height: 18px; margin-top: 5px; color: var(--ad-brand); }
.app-download-legal { margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 16px; }
.app-download-legal a { color: var(--ad-brand); font-weight: 700; }
.app-download svg.spin { animation: app-download-spin 1s linear infinite; }
@keyframes app-download-spin { to { transform: rotate(360deg); } }

.app-download-sticky { position: fixed; inset: auto 12px max(12px, env(safe-area-inset-bottom)) 12px; z-index: 20; min-height: 56px; display: flex; align-items: center; justify-content: center; gap: 8px; border-radius: 16px; background: var(--tc-action); color: var(--tc-on-action); font-weight: 700; text-decoration: none; box-shadow: var(--tc-shadow-3); }
.app-download-sticky svg { width: 20px; height: 20px; }

@media (max-width: 980px) {
  .app-download-options { grid-template-columns: 1fr; }
  .app-download-options .featured { order: -1; }
}
@media (max-width: 640px) {
  .app-download-hero { grid-template-columns: 1fr; margin-top: 24px; }
  .app-download-qr { display: none; }
  .app-download-options article, .app-download-steps { padding: 18px; border-radius: 16px; }
}
@media (prefers-reduced-motion: reduce) { .app-download svg.spin { animation: none; } }

/* v93: brand-ink for text on light surfaces (orange 600, 5.18:1 with white), 44px legal links. */
.app-download-legal a { color: var(--ad-brand-ink) !important; min-height: 44px; min-width: 44px; justify-content: center; display: inline-flex; align-items: center; }
.app-download-usage { margin: 18px 0 0; padding: 14px; display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--ad-line); border-radius: 12px; background: var(--ad-bg); cursor: pointer; }
.app-download-usage input { flex: none; width: 22px; height: 22px; margin-top: 2px; accent-color: var(--ad-brand); }
.app-download-usage span { display: grid; gap: 4px; }
.app-download-usage small { color: var(--ad-muted); line-height: 1.6; }

/* v98 polish (external review #10): one primary download action in the hero,
   facts under it, and SHA-256 / install steps / warnings folded into
   "Advanced installation". */
.app-download-primary { margin-block-start: var(--tc-s-6); display: grid; justify-items: start; gap: var(--tc-s-3); }
.app-download-primary .app-download-button { min-height: var(--tc-btn-lg); }
.app-download-facts { margin: 0 !important; display: flex; flex-wrap: wrap; gap: var(--tc-s-1) var(--tc-s-3); color: var(--tc-text-2) !important; font-size: 14px !important; line-height: 1.6 !important; }
.app-download-facts span { white-space: nowrap; }
.app-download-facts span + span::before { content: "·"; margin-inline-end: var(--tc-s-3); color: var(--tc-ink-400); }
.app-download-secondary, .app-download-more { min-height: var(--tc-tap); display: inline-flex; align-items: center; color: var(--tc-link); font-size: 15px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.app-download-more { justify-self: start; }
.app-download-advanced { padding: 0; }
.app-download-advanced > summary { min-height: 64px; padding: var(--tc-s-4) var(--tc-s-6); display: flex; align-items: center; gap: var(--tc-s-3); cursor: pointer; list-style: none; border-radius: inherit; }
.app-download-advanced > summary::-webkit-details-marker { display: none; }
.app-download-advanced > summary::after { content: ""; flex: none; width: 10px; height: 10px; margin-inline-start: auto; border-right: 2px solid var(--tc-text-2); border-bottom: 2px solid var(--tc-text-2); transform: rotate(45deg); /* symmetric chevron: physical sides on purpose */ transition: transform var(--tc-dur-2) var(--tc-ease-out); }
.app-download-advanced[open] > summary::after { transform: rotate(-135deg); }
.app-download-advanced > summary > svg { flex: none; width: 22px; height: 22px; color: var(--tc-success-700); }
.app-download-advanced > summary span { display: grid; gap: 2px; }
.app-download-advanced > summary b { font-size: 17px; }
.app-download-advanced > summary small { color: var(--tc-text-2); font-size: 14px; }
.app-download-advanced > summary:focus-visible { outline: 3px solid var(--tc-focus); outline-offset: 2px; }
.app-download-advanced > :not(summary) { margin-inline: var(--tc-s-6); }
.app-download-advanced > :last-child { margin-block-end: var(--tc-s-6); }
.app-download-advanced > h2 { margin-block: var(--tc-s-6) var(--tc-s-3); font-size: 19px; }
.app-download-settings { display: grid; gap: 0; }
.app-download-settings .app-download-usage { margin-block-start: 0; }
@media (max-width: 640px) {
  .app-download-primary, .app-download-primary .app-download-button { width: 100%; }
  .app-download-advanced > summary { padding: var(--tc-s-4); }
  .app-download-advanced > :not(summary) { margin-inline: var(--tc-s-4); }
}
@media (prefers-reduced-motion: reduce) { .app-download-advanced > summary::after { transition: none; } }

/* v99: the three ways to use TCHAHIT (app, website, browser shortcut) as equal cards, each ending
   with its own action; the Connect subscription condition sits right under its download button. */
.app-download-options { align-items: stretch !important; }
.app-download-options > article { height: 100%; display: flex !important; flex-direction: column; border-radius: var(--tc-r-lg, 16px) !important; }
.app-download-options > article > :is(a, button, details):last-child { margin-top: auto; }
.app-download-hash { border-style: solid !important; border-radius: var(--tc-r-md, 12px) !important; }
.connect-pos-total { border-style: solid !important; }
.connect-pos-ticket li bdi, .connect-pos-total bdi { font-variant-numeric: tabular-nums; font-weight: 700; }
.connect-pos-mock { max-width: 100%; }
/* V100: grow from the outer edge into the 32px gap (from the centre it spilled 15px past the hero). */
@media (min-width: 1024px) { .connect-pos-mock { transform: scale(1.06); transform-origin: right top; } [dir="rtl"] .connect-pos-mock { transform-origin: left top; } }
@media (prefers-reduced-motion: reduce) { .connect-pos-mock { transform: none; } }
.app-download :is(small, .app-download-meta) { font-size: max(13px, 1em); }