/* discover.css - 「みつける」タブのスタイル */

/* ===== メインコンテナ ===== */
.discover {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* ===== セグメント切替 ===== */
.discover__segments {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-color);
  padding: 0 16px;
  margin-bottom: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  flex-shrink: 0;
  background-color: var(--bg-primary);
}

/* セグメント切替のスクロールバーを非表示 */
.discover__segments::-webkit-scrollbar {
  display: none;
}

.discover__segment {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 12px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  transition: color 0.2s ease;
  font-weight: 500;
}

.discover__segment:hover:not(.discover__segment--disabled) {
  color: var(--text-primary);
}

.discover__segment--active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  font-weight: 600;
}

.discover__segment--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.discover__segment-badge {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  color: var(--text-tertiary);
  margin-left: 2px;
  font-weight: 400;
}

/* ===== コンテンツエリア ===== */
.discover__content {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px;
}

/* ===== ローディング ===== */
.discover__loading {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== 今日の特集 ===== */
.discover__today {
  display: block;
  cursor: pointer;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.discover__today:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.discover__today:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.discover__today-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-tertiary);
  position: relative;
}

/* グラデーションオーバーレイ（左上のバッジを目立たせる） */
.discover__today-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0) 50%
  );
  pointer-events: none;
}

.discover__today-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.discover__today-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-primary);
  color: var(--text-on-primary);
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.discover__today-content {
  padding: 16px;
}

.discover__today-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.discover__today-summary {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.discover__today-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
}

.discover__today-date {
  display: inline-block;
  font-weight: 500;
}

.discover__today-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.discover__today-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  font-size: 11px;
  color: var(--text-secondary);
}

/* ===== 過去の記事 ===== */
.discover__past {
  margin-top: 16px;
}

.discover__past-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.discover__past-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.discover__past-card {
  display: flex;
  gap: 12px;
  padding: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.discover__past-card:hover {
  background: var(--bg-tertiary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.discover__past-card:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.discover__past-card-image {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-tertiary);
  border-radius: 8px;
}

.discover__past-card-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4px 0;
}

.discover__past-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.discover__past-card-summary {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.discover__past-card-date {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: auto;
  font-weight: 500;
}

/* ===== 空状態 ===== */
.discover__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 16px;
  color: var(--text-secondary);
  text-align: center;
  min-height: 300px;
}

.discover__empty-icon {
  font-size: 48px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
  opacity: 0.7;
}

.discover__empty-text {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.discover__empty-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* ===== Coming Soon ===== */
.discover__coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 16px;
  color: var(--text-secondary);
  text-align: center;
  min-height: 300px;
}

.discover__coming-soon i {
  font-size: 48px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
  opacity: 0.7;
}

.discover__coming-soon p {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

/* ===== ダークモード対応（CSS変数で自動） ===== */
[data-theme="dark"] .discover {
  background-color: var(--bg-primary);
}

[data-theme="dark"] .discover__today {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .discover__past-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .discover__past-card:hover {
  background: var(--bg-tertiary);
}

/* ===== レスポンシブ（タブレット以上） ===== */
@media (min-width: 768px) {
  .discover__content {
    padding: 24px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
  }

  .discover__today {
    margin-bottom: 32px;
  }

  .discover__today-title {
    font-size: 20px;
  }

  .discover__today-summary {
    font-size: 15px;
  }

  .discover__past-list {
    gap: 16px;
  }
}