/* 地図上のトリップ名オーバーレイ */
.map-trip-name-overlay {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  pointer-events: auto;
  opacity: 0;
  transition: opacity 0.5s ease, top 0.3s ease;
}

.map-trip-name-overlay.visible {
  opacity: 1;
}

.map-trip-name-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.75) 0%, rgba(250, 250, 250, 0.7) 100%);
  backdrop-filter: blur(12px);
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.5);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.map-trip-name-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15), 0 3px 8px rgba(0, 0, 0, 0.1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(250, 250, 250, 0.8) 100%);
}

.map-trip-name-card:active {
  transform: translateY(0);
}

.map-trip-name-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--trip-color, var(--accent)) 50%, transparent 100%);
}

.map-trip-name-text {
  font-size: 0.855rem;
  font-weight: 700;
  color: var(--trip-color, var(--accent));
  text-align: center;
  letter-spacing: 0.03em;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
  line-height: 1.3;
}

/* モバイル用のボタン付きレイアウト */
.map-trip-name-card-mobile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.5rem;
}

.map-trip-name-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid var(--trip-color, var(--accent));
  border-radius: 50%;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.map-trip-name-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.map-trip-name-btn:active {
  transform: scale(0.95);
}

.map-trip-name-spacer {
  width: 28px;
  flex-shrink: 0;
}

.map-trip-name-card-mobile .map-trip-name-text {
  flex: 1;
  min-width: 0;
}

@media (max-width: 768px) {
  .map-trip-name-overlay {
    top: calc(10px + 10vh);
  }

  .map-trip-name-card {
    padding: 0.4rem 1rem;
    border-radius: 16px;
  }

  .map-trip-name-card-mobile {
    border-radius: 20px;
  }

  .map-trip-name-card-mobile .map-trip-name-btn:first-child {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .map-trip-name-text {
    font-size: 0.765rem;
  }
}

/* ヘッダーが隠れたときはトリップ名を上に移動 */
@media (max-width: 768px) {
  body.header-hidden .map-trip-name-overlay {
    top: 8px;
  }
}

/* 自動再生時は非表示 */
body.app-playing .map-trip-name-overlay {
  opacity: 0;
  pointer-events: none;
}