/* Catalog home page of kids.myteachers123.com (MyTeachers123 Kids Apps) and the Click-to-Read page.
 * Sakura colors, comic outlines, slim type. Every app is one 3:4 banner:
 * landscape screens show as many banners per row as fit; portrait screens show one banner per row. */
:root {
  --bg: #FFF5F8; --dot: #FBD3E0; --ink: #1d1d1f; --muted: #4f4f55; --quiet: #6b6b72; --line: #111;
  --pink: #FBC8D8; --pink-dark: #C04877; --blue: #C3E5F8; --blue-dark: #2A78A8; --beige: #EADBC8;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); line-height: 1.6; font-size: 17px; font-weight: 400;
  font-family: system-ui, -apple-system, "Segoe UI Variable Text", "Segoe UI", Roboto, "Noto Sans", "PingFang TC", "PingFang SC",
    "Microsoft JhengHei", "Microsoft YaHei", "Noto Sans CJK TC", "Noto Sans CJK SC", sans-serif;
  background: var(--bg) radial-gradient(var(--dot) 2px, transparent 2.5px) 0 0 / 20px 20px;
}
a { color: var(--blue-dark); }
a:focus-visible, summary:focus-visible, .btn:focus-visible { outline: 3px solid var(--blue-dark); outline-offset: 3px; }
.nw { white-space: nowrap; }

/* Top bar: back link (left, sub pages) and language menu (right) */
.topbar { max-width: 1240px; margin: 0 auto; padding: 12px 16px 0; display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.topbar .home-link { margin-right: auto; }
.home-link { color: var(--ink); text-decoration: none; font-size: 15px; padding: 10px 4px; min-height: 44px; display: inline-flex; align-items: center; }
.home-link:hover { text-decoration: underline; }
.lang-menu { position: relative; }
.lang-menu summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; min-height: 44px; padding: 8px 14px;
  border: 2px solid var(--line); border-radius: 999px; background: #fff; box-shadow: 3px 3px 0 var(--line);
}
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary svg { margin-right: 8px; }
.lang-menu summary::after { content: ""; width: 8px; height: 8px; margin-left: 10px; border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink); transform: rotate(45deg) translate(-2px, -2px); }
.lang-menu[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.lang-menu ul {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 10; list-style: none; margin: 0; padding: 6px;
  min-width: 190px; max-height: 70vh; overflow-y: auto; background: #fff; border: 2px solid var(--line);
  border-radius: 14px; box-shadow: 4px 4px 0 var(--line);
}
.lang-menu li { margin: 0; }
.lang-menu a { display: block; min-height: 44px; padding: 11px 14px; border-radius: 10px; color: var(--ink); text-decoration: none; }
.lang-menu a:hover, .lang-menu a:focus { background: #FFF0F5; }
.lang-menu a[aria-current="page"] { background: var(--pink); }

/* Header: parent company logo, site name, brand slogan, quiet SEO h1, short intro */
.hero { max-width: 920px; margin: 0 auto; padding: 0 16px 8px; text-align: center; }
.logo { display: inline-block; line-height: 0; }
.logo img { display: block; width: 150px; height: 150px; }
.brand { font-size: clamp(30px, 5.6vw, 50px); font-weight: 300; line-height: 1.15; letter-spacing: .01em; margin: 6px 0 10px; }
.slogan { font-size: clamp(19px, 2.8vw, 25px); font-weight: 300; letter-spacing: .02em; color: var(--pink-dark); margin: 0 0 14px; }
h1 { font-size: clamp(15px, 1.9vw, 17px); font-weight: 400; color: var(--quiet); line-height: 1.55; margin: 0 auto 10px; max-width: 680px; }
.lead { font-size: 16px; color: var(--muted); max-width: 680px; margin: 0 auto 26px; }

/* Catalog: one 3:4 banner per app */
.catalog {
  display: grid; gap: 28px; justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
  max-width: 1240px; margin: 0 auto; padding: 8px 16px 48px;
}
@media (orientation: portrait) {
  .catalog { grid-template-columns: minmax(0, 520px); }
}
.banner {
  position: relative; display: flex; flex-direction: column; aspect-ratio: 3 / 4; min-width: 0;
  background: #fff; border: 3px solid var(--line); border-radius: 22px; box-shadow: 6px 6px 0 var(--line); overflow: hidden;
}
@supports not (aspect-ratio: 3 / 4) { .banner .art { height: 260px; flex: none; } }
.banner .art { position: relative; display: block; flex: 1 1 0; min-height: 150px; background: #FFF0F5; border-bottom: 3px solid var(--line); overflow: hidden; }
.banner .art img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.banner .info { flex: none; padding: 16px 20px 20px; }
.banner h2 { font-size: 24px; font-weight: 400; line-height: 1.2; margin: 0 0 6px; }
.banner h2 a { color: var(--ink); text-decoration: none; }
.banner h2 a:hover { text-decoration: underline; }
.banner .line { font-size: 15px; color: var(--muted); line-height: 1.5; margin: 0 0 10px; }
.badges { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.badges li { font-size: 13px; padding: 3px 10px; border: 2px solid var(--line); border-radius: 999px; background: var(--pink); }
.badges li:nth-child(2) { background: var(--blue); }
.badges li:nth-child(3) { background: #fff; }
.is-soon .badges li:nth-child(3) { background: var(--beige); }
.actions { margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 8px 20px; border-radius: 999px; text-decoration: none;
  font-weight: 500; font-size: 16px; color: #fff; background: var(--pink-dark); border: 3px solid var(--line); box-shadow: 3px 3px 0 var(--line);
}
.btn:hover { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--line); }
.btn.ghost { color: var(--ink); background: #fff; }
.ribbon {
  position: absolute; top: 14px; right: -2px; padding: 6px 16px; font-size: 14px; font-weight: 500;
  color: var(--ink); background: var(--beige); border: 2px solid var(--line); border-right: 0; border-radius: 999px 0 0 999px;
}
.is-soon .art img { filter: saturate(.9); }

/* Click-to-Read "coming soon" page */
.soon-art { display: block; width: 100%; max-width: 640px; height: auto; margin: 6px auto 22px; border: 3px solid var(--line); border-radius: 18px; box-shadow: 6px 6px 0 var(--line); }
.hero .actions { justify-content: center; margin-bottom: 20px; }

footer { max-width: 920px; margin: 0 auto; padding: 0 16px 40px; font-size: 15px; color: var(--muted); text-align: center; }
.privacy { margin: 0 0 14px; }
.langs { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.langs a { display: inline-block; min-height: 44px; padding: 10px 14px; border-radius: 999px; background: #fff; border: 2px solid var(--line); color: var(--ink); text-decoration: none; }
.langs a[aria-current="page"] { background: var(--pink); }
.copyright { font-size: 13px; color: var(--quiet); margin: 6px 0 0; }