/* ===== Tokens ===== */
:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --ink: #111827;
  --ink-2: #4b5563;
  --ink-3: #6b7280;
  --line: #e5e7eb;
  --blue: #1673ff;
  --blue-dark: #0b5bd3;
  --blue-tint: #e8f0fe;
  --star: #f5b301;
  --radius-panel: 28px;
  --radius-icon: 22%;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.25; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 6px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 14px; z-index: 10; }
.skip-link:focus { left: 8px; }
.muted { color: var(--ink-3); }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 16px; }

/* ===== Header ===== */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 8px; }
.logo__text { font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }

.search { display: flex; align-items: center; background: var(--bg); border-radius: 999px; padding: 0 4px 0 16px; width: min(280px, 50vw); }
.search input { flex: 1; min-width: 0; border: 0; background: transparent; font: inherit; font-size: .95rem; padding: 8px 0; color: var(--ink); }
.search input:focus { outline: none; }
.search:focus-within { box-shadow: 0 0 0 2px var(--blue); }
.search button { border: 0; background: transparent; color: var(--ink-3); padding: 8px; cursor: pointer; display: grid; place-items: center; border-radius: 50%; }

/* ===== Layout ===== */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; padding-top: 16px; padding-bottom: 40px; }
.layout__main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.layout__side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 16px; }
.layout__side--plain { position: static; }

/* ===== Panels ===== */
.panel { background: var(--surface); border-radius: var(--radius-panel); padding: 24px 28px; }
.panel__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.panel__head h2, .panel__title, .panel__h1 { font-size: 1.45rem; font-weight: 500; }
.panel--side { padding: 22px 22px 14px; }
.panel--side .panel__title { margin-bottom: 14px; }
.empty-state { margin: 40px 0; text-align: center; }
.empty-state h1 { margin-bottom: 8px; }

/* ===== Icons ===== */
.app-icon { flex: none; border-radius: var(--radius-icon); object-fit: cover; background: var(--bg); aspect-ratio: 1; }
.app-icon--sm { width: 48px; height: 48px; }
.app-icon--md { width: 80px; height: 80px; }
.app-icon--lg { width: 100%; max-width: 156px; height: auto; }
.app-icon--xl { width: 128px; height: 128px; }
.app-icon--fluid { width: 100%; height: auto; }
.app-icon--letter {
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  color: #fff; font-weight: 700;
  background: linear-gradient(140deg, hsl(var(--hue) 70% 52%), hsl(calc(var(--hue) + 30) 70% 38%));
  font-size: 2.2rem;
}
.app-icon--letter img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: var(--surface); }
.app-icon--md.app-icon--letter { font-size: 2rem; }
.app-icon--xl.app-icon--letter { font-size: 3.4rem; }
.app-icon--lg.app-icon--letter, .app-icon--fluid.app-icon--letter { font-size: clamp(1.5rem, 6vw, 3.2rem); }

.rating { display: inline-flex; align-items: center; gap: 2px; font-weight: 600; color: var(--star); font-size: .95rem; }
.rating__star { font-size: 1.05em; }
.verified { display: inline-block; vertical-align: -2px; margin-left: 2px; }

/* ===== Featured tiles ===== */
.tile-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px 16px; }
.tile-grid > li { min-width: 0; }
.tile { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 0; }
.tile .app-icon { margin-bottom: 10px; }
.tile__name { font-weight: 600; font-size: 1.05rem; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile__cat { color: var(--ink-3); font-size: .9rem; }
.tile:hover .tile__name { color: var(--blue); }

/* ===== Row lists (Best Apps / Best Games) ===== */
.row-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 40px; }
.row { display: flex; align-items: center; gap: 12px; min-width: 0; }
.row__link { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; }
.row__body, .side-item__body { display: flex; flex-direction: column; min-width: 0; }
.row__name, .side-item__name { font-weight: 600; font-size: 1.05rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row__cat, .side-item__cat { color: var(--ink-3); font-size: .9rem; }
.row__link:hover .row__name, .side-item:hover .side-item__name { color: var(--blue); }

.btn-get {
  flex: none; background: var(--blue); color: #fff; font-weight: 600; font-size: .85rem;
  padding: 6px 18px; border-radius: 999px;
}
.btn-get:hover { background: var(--blue-dark); }

/* ===== Sidebar list ===== */
.side-list li + li { margin-top: 14px; }
.side-item { display: flex; align-items: center; gap: 16px; }

/* ===== Ad slot ===== */
.ad-slot { background: var(--surface); border-radius: 12px; padding: 12px; overflow: hidden; }

/* ===== Detail page ===== */
.detail { background: var(--surface); border-radius: var(--radius-panel); padding: 28px; }
.detail__head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.detail__title { font-size: 1.6rem; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 24px; margin: 4px 0 24px; padding: 8px 20px; }
.facts div { display: grid; grid-template-columns: 100px minmax(0, 1fr); align-items: baseline; gap: 8px; padding: 14px 0; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; color: var(--ink-3); font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.discover { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin-bottom: 36px; }
.discover__title { background: var(--blue-tint); font-size: 1rem; padding: 12px 20px; border-bottom: 1px solid var(--line); }
.discover li + li { border-top: 1px solid var(--line); }
.discover a { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; color: var(--ink); }
.discover a svg { color: var(--ink-3); }
.discover a:hover { background: #f9fafb; color: var(--blue); }

.review { max-width: 68ch; font-family: var(--serif); font-size: 1rem; line-height: 1.85; color: #374151; }
.review h2 { font-family: var(--sans); font-size: 1.35rem; font-weight: 500; color: var(--ink); margin: 36px 0 12px; }
.review h2:first-child { margin-top: 0; }
.review p { margin: 0 0 1.1em; }
.review ul { padding-left: 1.1em; list-style: disc; }
.review li { margin-bottom: .6em; }
.review li::marker { color: var(--ink-3); }

.get-card { margin: 48px auto 40px; max-width: 760px; }
.get-card__top { display: flex; gap: 16px; align-items: flex-start; }
.get-card__info { flex: 1; min-width: 0; }
.get-card__name { font-weight: 600; font-size: 1.1rem; margin: 18px 0 10px; display: flex; align-items: center; gap: 4px; }
.get-card__stats { display: grid; grid-template-columns: repeat(3, 1fr); }
.get-card__stats li { display: flex; flex-direction: column; align-items: center; padding: 4px 8px; }
.get-card__stats li + li { border-left: 1px solid var(--line); }
.get-card__stats strong { font-size: 1.3rem; font-weight: 700; color: var(--ink); }
.get-card__stats strong .rating { font-size: inherit; color: var(--ink); font-weight: 700; }
.get-card__stats strong .rating__star { color: var(--star); }
.get-card__stats span { color: var(--ink-3); font-size: .85rem; }

.btn-download, .btn-outline {
  display: block; text-align: center; margin-top: 16px; padding: 12px;
  border: 2px solid var(--line); border-radius: 12px; color: var(--blue);
  font-size: 1.4rem; font-weight: 500; background: var(--surface);
}
.btn-download:hover, .btn-outline:hover { border-color: var(--blue); background: var(--blue-tint); }
.btn-outline { display: inline-block; font-size: 1rem; padding: 10px 24px; }

.more h2 { font-size: 1.2rem; font-weight: 500; margin-bottom: 14px; }

/* Screenshots */
.shots { margin: 0 0 32px; }
.shots__list { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; overscroll-behavior-x: contain; }
.shots__list li { flex: none; scroll-snap-align: start; }
.shots__list img { height: 420px; width: auto; border-radius: 18px; border: 1px solid var(--line); background: var(--bg); }
.review__store p { white-space: normal; }
.review__source, .review__meta { font-family: var(--sans); font-size: .85rem; color: var(--ink-3); }
.review__meta { margin-top: -6px; }

/* Icon grids (More apps / Popular apps) */
.icon-grid { display: grid; gap: 14px 12px; }
.icon-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.icon-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.icon-grid a { display: flex; flex-direction: column; gap: 6px; font-size: .82rem; }
.icon-grid span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0 2px; }
.icon-grid a:hover span { color: var(--blue); }
.side-heading { font-size: 1.05rem; font-weight: 500; margin: 4px 0 12px; }

/* ===== Footer ===== */
.site-footer { background: var(--blue); color: #fff; padding: 28px 0 20px; font-size: .9rem; }
.site-footer__text { max-width: 900px; margin: 18px 0 24px; }
.site-footer__text p { margin: 0 0 12px; }
.site-footer__text h2 { font-size: .95rem; margin: 18px 0 4px; }
.site-footer__text a { text-decoration: underline; }
.site-footer__nav { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 12px; border-top: 1px solid rgba(255,255,255,.35); padding-top: 16px; }
.site-footer__nav a:hover { text-decoration: underline; }
.site-footer__copy { text-align: center; opacity: .8; margin: 16px 0 0; font-size: .8rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .layout__side { position: static; }
  .icon-grid--3 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .facts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .panel { padding: 20px 16px; border-radius: 20px; }
  .detail { padding: 20px 16px; border-radius: 20px; }
  .tile-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px 10px; }
  .tile__name { font-size: .85rem; }
  .tile__cat { font-size: .75rem; }
  .tile .rating { font-size: .8rem; }
  .row-list { grid-template-columns: 1fr; }
  .app-icon--md { width: 64px; height: 64px; }
  .app-icon--xl { width: 88px; height: 88px; }
  .facts { grid-template-columns: 1fr; padding: 0; }
  .icon-grid--6, .icon-grid--3 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .get-card__name { margin-top: 4px; }
  .shots__list img { height: 320px; }
  .logo__text { font-size: 1.1rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}