* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  background: #0d0d14;
  color: #fff;
  overflow: hidden;
}

/* PCでは中央にスマホ幅で表示 */
#app {
  position: relative;
  max-width: 480px;
  height: 100%;
  margin: 0 auto;
  background: #14141f;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

/* 上部バー */
.bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  z-index: 5;
}
.brand { font-weight: bold; font-size: 1rem; }
#dateSelect {
  padding: 5px 8px;
  border-radius: 8px;
  border: none;
  font-size: 0.85rem;
  background: #2a2a3a;
  color: #fff;
}

/* 未読・既読タブ（横スワイプでも切替） */
.tabs {
  flex: 0 0 auto;
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  z-index: 5;
}
.tabs button {
  flex: 1;
  padding: 9px 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: #888;
  font-size: 0.85rem;
  font-weight: bold;
  font-family: inherit;
  cursor: pointer;
}
.tabs button.active {
  color: #fff;
  border-bottom-color: #1E88E5;
}
/* 未読件数の通知バッジ（スマホの通知数風・赤い丸） */
.tabs .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  margin-left: 6px;
  padding: 0 5px;
  background: #E53935;
  color: #fff;
  font-size: 0.7rem;
  font-weight: bold;
  line-height: 1;
  border-radius: 999px;
  vertical-align: middle;
}
.tabs .badge.hidden { display: none; }

/* 日付ドロップダウン内の未読数（●n）が見えるように少し広げる */
#dateSelect { max-width: 60%; }

/* スワイプするフィード */
.feed {
  flex: 1 1 auto;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.feed::-webkit-scrollbar { display: none; }

.loading, .empty {
  text-align: center;
  color: #888;
  padding: 60px 20px;
}

/* 1記事＝1画面 */
.card {
  height: 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  padding: 16px 18px 22px;
  overflow-y: auto;
  scrollbar-width: none;
}
.card::-webkit-scrollbar { display: none; }

.card .badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.card .cat {
  font-size: 0.72rem;
  font-weight: bold;
  color: #fff;
  padding: 3px 10px;
  border-radius: 999px;
}
.card .updated {
  font-size: 0.72rem;
  font-weight: bold;
  color: #1A1A2E;
  background: #FFD54F;
  padding: 3px 10px;
  border-radius: 999px;
}

/* 要約が暫定表示中（次回更新で改善予定）のお知らせ */
.card .pending {
  font-size: 0.8rem;
  line-height: 1.5;
  color: #ffcf8a;
  background: rgba(251, 140, 0, 0.12);
  border-left: 3px solid #FB8C00;
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 14px;
}

.card .title {
  font-size: 1.12rem;
  font-weight: bold;
  line-height: 1.5;
  margin-bottom: 12px;
}

.card .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  background: #23233a;
  margin-bottom: 14px;
}
.card .thumb.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  font-size: 2rem;
}

.card .summary {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #dcdce6;
  margin-bottom: 14px;
}

.card .impact {
  background: rgba(229, 57, 53, 0.12);
  border-left: 3px solid #E53935;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
}
.card .impact .label {
  font-size: 0.78rem;
  font-weight: bold;
  color: #ff7a75;
  margin-bottom: 4px;
}
.card .impact p { font-size: 0.9rem; line-height: 1.6; color: #f0d8d8; }

.card .read {
  margin-top: auto;
  display: block;
  text-align: center;
  background: #1E88E5;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95rem;
  padding: 13px;
  border-radius: 12px;
}
.card .meta { font-size: 0.72rem; color: #777; margin-top: 8px; text-align: center; }

/* スワイプのヒント（最初だけ表示） */
.hint {
  position: absolute;
  bottom: 86px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  pointer-events: none;
  animation: floaty 1.6s ease-in-out infinite;
  transition: opacity 0.4s;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* 出典表示（Yahoo!ニュース・個人利用） */
.credit {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.45);
  pointer-events: auto;
}
.credit a { color: rgba(255, 255, 255, 0.7); }