:root {
  --color-the-day: #0077ff;
  --color-good: #28a745;
  --color-moderate: #ffc107;
  --color-tough: #dc3545;
  --header-bg: #1b2838;
  --sidebar-width: 380px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  height: 100vh;
  display: flex;
  flex-direction: column;
  color: #333;
  overflow: hidden;
}

/* ヘッダー */
.app-header {
  background: var(--header-bg);
  color: #fff;
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  height: 52px;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-brand h1 {
  font-size: 1.1rem;
  font-weight: 700;
}
.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}
.last-updated {
  font-size: 0.75rem;
  color: #aaa;
}

/* 時間帯スロット切り替え */
.slot-toggle {
  display: flex;
  background: #2a3f5a;
  border-radius: 6px;
  padding: 2px;
}
.slot-btn {
  background: transparent;
  border: none;
  color: #ccc;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.slot-btn.active {
  background: #fff;
  color: #111;
}

/* 日付選択バー */
.date-selector-container {
  background: #f1f4f8;
  border-bottom: 1px solid #dcdfe6;
  padding: 6px 12px;
  z-index: 999;
}
.date-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
}
.date-scroll::-webkit-scrollbar {
  display: none;
}
.date-chip {
  background: #fff;
  border: 1px solid #d0d7de;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  transition: all 0.15s ease;
}
.date-chip.active {
  background: #1b2838;
  color: #fff;
  border-color: #1b2838;
  font-weight: bold;
}

/* メイン領域レイアウト */
.main-container {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

/* サイドバー */
.sidebar {
  width: var(--sidebar-width);
  height: 100%;
  background: #fff;
  border-right: 1px solid #e1e4e8;
  display: flex;
  flex-direction: column;
  z-index: 500;
}
.sidebar-header {
  padding: 12px 16px;
  border-bottom: 1px solid #eee;
  background: #fafbfc;
}
.sidebar-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.sidebar-title h2 {
  font-size: 1rem;
}
.sidebar-title .badge {
  font-size: 0.75rem;
  background: #e1e4e8;
  padding: 2px 6px;
  border-radius: 10px;
}
.legend {
  display: flex;
  gap: 8px;
  font-size: 0.7rem;
  color: #555;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 3px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.dot.the-day { background: var(--color-the-day); }
.dot.good { background: var(--color-good); }
.dot.moderate { background: var(--color-moderate); }
.dot.tough { background: var(--color-tough); }

/* コースリストカード */
.course-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.course-card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  background: #fff;
  transition: transform 0.1s, box-shadow 0.1s;
}
.course-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 6px;
}
.card-course-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: #1a1a1a;
}
.card-area {
  font-size: 0.75rem;
  color: #777;
}
.score-pill {
  color: #fff;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.85rem;
  text-align: center;
  min-width: 48px;
}

/* メトリクス表示 */
.card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: #f8f9fa;
  border-radius: 6px;
  padding: 6px;
  font-size: 0.75rem;
  color: #444;
}
.card-metrics span {
  display: inline-block;
}

/* 予約ボタンリンク */
.card-booking {
  margin-top: 8px;
  display: flex;
  gap: 6px;
}
.booking-btn {
  flex: 1;
  text-align: center;
  padding: 4px 0;
  font-size: 0.75rem;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
}
.booking-btn.gora {
  background: #bf0000;
  color: #fff;
}
.booking-btn.gdo {
  background: #005aa0;
  color: #fff;
}

/* 地図領域 */
.map-view {
  flex: 1;
  height: 100%;
  min-height: 400px;
  width: 100%;
}

/* ポップアップ */
.popup-content h4 {
  margin: 0 0 6px 0;
  font-size: 0.95rem;
}
.popup-score-badge {
  display: inline-block;
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 0.8rem;
  margin-bottom: 8px;
}
.popup-slots {
  font-size: 0.8rem;
  margin-bottom: 8px;
  border-top: 1px solid #eee;
  padding-top: 6px;
}

/* レスポンシブ (スマホ表示) */
@media (max-width: 768px) {
  .main-container {
    flex-direction: column-reverse;
  }
  .sidebar {
    width: 100%;
    height: 45vh;
  }
  .map-view {
    height: 55vh;
  }
}

/* エリア絞り込みフィルター */
.area-filter-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 0 8px 0;
  margin-bottom: 6px;
  white-space: nowrap;
}
.area-filter-bar::-webkit-scrollbar {
  display: none;
}
.area-btn {
  background: #edf2f7;
  border: 1px solid #cbd5e1;
  color: #475569;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.area-btn:hover {
  background: #e2e8f0;
}
.area-btn.active {
  background: #1b2838;
  color: #fff;
  border-color: #1b2838;
}

/* マーカークラスタのカスタムスタイル */
.marker-cluster {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
}
.marker-cluster-small {
  background-color: rgba(37, 99, 235, 0.25) !important;
}
.marker-cluster-small div {
  background-color: rgba(37, 99, 235, 0.9) !important;
  color: #fff !important;
  font-size: 12px;
}
.marker-cluster-medium {
  background-color: rgba(16, 185, 129, 0.25) !important;
}
.marker-cluster-medium div {
  background-color: rgba(16, 185, 129, 0.9) !important;
  color: #fff !important;
  font-size: 12px;
}
.marker-cluster-large {
  background-color: rgba(245, 158, 11, 0.25) !important;
}
.marker-cluster-large div {
  background-color: rgba(245, 158, 11, 0.9) !important;
  color: #fff !important;
  font-size: 12px;
}