:root {
  --bg-1: #fdf2f8;
  --bg-2: #eff6ff;
  --card: #ffffff;
  --text: #3f3a45;
  /* 小さい文字にも使うため WCAG AA(4.5:1)を満たす濃さにしている */
  --text-sub: #6e6878;
  --accent: #f472b6;
  --accent-strong: #db2777;
  --accent-2: #60a5fa;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

header {
  text-align: center;
  padding: 3rem 1rem 1.5rem;
}

header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  letter-spacing: 0.04em;
}

header p {
  margin: 0.5rem 0 0;
  color: var(--text-sub);
}

main {
  flex: 1;
  width: min(960px, 100% - 2rem);
  margin: 0 auto;
  padding-bottom: 3rem;
}

.toolbar {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

#search {
  font: inherit;
  width: 100%;
  padding: 0.7rem 1.1rem;
  border: none;
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
  box-shadow: 0 4px 20px rgb(244 114 182 / 0.12);
  outline-color: var(--accent);
}

#search::placeholder {
  color: var(--text-sub);
}

#tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.55rem 1rem;
  min-height: 44px; /* スマホのタップターゲット推奨サイズ */
  display: inline-flex;
  align-items: center;
  border: none;
  border-radius: 999px;
  background: rgb(255 255 255 / 0.7);
  color: var(--text-sub);
  cursor: pointer;
  overflow-wrap: anywhere;
  max-width: 100%;
}

.chip[aria-pressed="true"] {
  background: var(--accent-strong);
  color: #fff;
  font-weight: 700;
}

#apps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: 1rem;
}

/* 読み込み中のスケルトン(aria-busy をフックに CSS だけで出す) */
#apps[aria-busy="true"]::before,
#apps[aria-busy="true"]::after {
  content: "";
  display: block;
  height: 96px;
  border-radius: var(--radius);
  background: rgb(255 255 255 / 0.6);
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  #apps[aria-busy="true"]::before,
  #apps[aria-busy="true"]::after {
    animation: none;
  }

  .card,
  .card:hover {
    transition: none;
    transform: none;
  }
}

.card {
  position: relative;
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.1rem 1.2rem;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgb(244 114 182 / 0.12);
  text-decoration: none;
  color: inherit;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgb(96 165 250 / 0.25);
}

.card > div {
  min-width: 0; /* 長い英数字でもカード外にはみ出させない */
}

.card .emoji {
  font-size: 2rem;
  line-height: 1;
}

.card h2 {
  margin: 0;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.card p {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  color: var(--text-sub);
  overflow-wrap: anywhere;
}

.card .meta {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.72rem;
}

.badge {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: #f3f0f7;
  color: var(--text-sub);
  overflow-wrap: anywhere;
  max-width: 100%;
}

.badge.draft {
  background: #fef3c7;
  color: #92400e;
}

.badge.external {
  background: #e0f2fe;
  color: #075985;
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-sub);
  background: rgb(255 255 255 / 0.6);
  border-radius: var(--radius);
}

footer {
  text-align: center;
  padding: 1.2rem;
  font-size: 0.8rem;
  color: var(--text-sub);
}

footer a {
  color: var(--accent-2);
}