:root {
  --bg-color: #f8f9fa;
  --panel-bg: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(0, 0, 0, 0.1);
  --text-main: #2d3436;
  --text-muted: #636e72;
  --primary: #0984e3;
  --primary-hover: #74b9ff;
  --surface-blur: blur(20px);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #121212;
    --panel-bg: rgba(30, 30, 30, 0.85);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-main: #dfe6e9;
    --text-muted: #b2bec3;
    --primary: #74b9ff;
    --primary-hover: #0984e3;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-color);
  overflow: hidden;
  height: 100dvh;
}

.app-container {
  display: block;
  height: 100%;
  width: 100%;
  position: relative;
}

.map-container {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
}
#map {
  width: 100%;
  height: 100%;
}

/* --- Mobile Default Styles --- */
.search-panel {
  position: absolute;
  top: 16px; left: 16px; right: 16px;
  z-index: 10;
  background: var(--panel-bg);
  backdrop-filter: var(--surface-blur);
  -webkit-backdrop-filter: var(--surface-blur);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
  overflow: visible; /* サジェストのはみ出しを許可 */
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.panel-header h1 {
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--primary), #a29bfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.icon-btn {
  background: transparent;
  border: none;
  color: var(--primary);
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-form {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: opacity 0.3s;
}
.search-form.collapsed {
  display: none;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.relative {
  position: relative;
}
.input-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

/* タップターゲット 44px 確保 */
input[type="text"],
input[type="date"],
input[type="time"] {
  background: rgba(128, 128, 128, 0.1);
  border: 1px solid var(--panel-border);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 16px;
  color: var(--text-main);
  outline: none;
  min-height: 44px;
  transition: var(--transition);
}
input[type="text"]:focus,
input[type="date"]:focus,
input[type="time"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(9, 132, 227, 0.2);
}

.datetime-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.segment-control {
  display: flex;
  background: rgba(128, 128, 128, 0.1);
  border-radius: 12px;
  padding: 4px;
}
.segment-btn {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition);
}
.segment-btn.active {
  background: var(--panel-bg);
  color: var(--text-main);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.primary-btn {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  transition: var(--transition);
}
.primary-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(9, 132, 227, 0.3);
}

/* Suggest Dropdown */
.suggest-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--panel-bg);
  backdrop-filter: var(--surface-blur);
  -webkit-backdrop-filter: var(--surface-blur);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  list-style: none;
  margin-top: 4px;
  max-height: 250px;
  overflow-y: auto;
  z-index: 30;
  box-shadow: var(--shadow);
}
.suggest-list.hidden {
  display: none;
}
.suggest-list li {
  padding: 0 16px;
  min-height: 44px;
  cursor: pointer;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.suggest-list li:last-child {
  border-bottom: none;
}
.suggest-list li:hover {
  background: rgba(9, 132, 227, 0.1);
}
.suggest-list .feed-name {
  font-size: 11px;
  color: var(--text-muted);
}

/* Bottom Sheet */
.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: var(--panel-bg);
  backdrop-filter: var(--surface-blur);
  -webkit-backdrop-filter: var(--surface-blur);
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  box-shadow: 0 -8px 24px rgba(0,0,0,0.15);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
}
.bottom-sheet.half {
  transform: translateY(60%); /* 半展開（下40%くらい見せる） */
}
.bottom-sheet.full {
  transform: translateY(0);
}

.sheet-handle {
  width: 48px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 3px;
  margin: 12px auto;
  opacity: 0.3;
  cursor: pointer;
}

.results-container {
  overflow-y: auto;
  padding: 0 16px 24px 16px;
  height: 40dvh; /* ボトムシート全展開時の高さ */
}

/* Result Card */
.result-card {
  background: rgba(128, 128, 128, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.result-card:hover {
  border-color: var(--primary);
  background: rgba(128, 128, 128, 0.1);
}
.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.result-time {
  font-size: 18px;
  font-weight: 700;
}
.result-recommended {
  background: #00b894;
  color: white;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.result-metrics {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Map Controls */
#map-controls {
  position: absolute;
  top: 100px; /* モバイルでは上部パネルを避ける */
  right: 16px;
  z-index: 2;
  background: var(--panel-bg);
  backdrop-filter: var(--surface-blur);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--panel-border);
}
.toggle-control {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}
.toggle-control input { display: none; }
.toggle-slider {
  width: 36px; height: 20px;
  background: var(--text-muted);
  border-radius: 20px;
  position: relative;
  transition: var(--transition);
}
.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}
.toggle-control input:checked + .toggle-slider {
  background: var(--primary);
}
.toggle-control input:checked + .toggle-slider::after {
  transform: translateX(16px);
}

#loading-indicator {
  position: absolute;
  bottom: 80px;
  left: 16px;
  z-index: 2;
  background: var(--panel-bg);
  padding: 12px 20px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: opacity 0.3s;
}
#loading-indicator.hidden {
  opacity: 0;
  pointer-events: none;
}

.toast-container {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: #ff7675;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  transform: translateY(-20px);
  transition: var(--transition);
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.map-footer {
  position: absolute;
  bottom: 8px;
  right: 8px;
  z-index: 2;
  font-size: 10px;
  color: rgba(100, 100, 100, 0.9);
  background: rgba(255, 255, 255, 0.85);
  padding: 4px 8px;
  border-radius: 6px;
  pointer-events: none;
}
@media (prefers-color-scheme: dark) {
  .map-footer {
    color: rgba(200, 200, 200, 0.9);
    background: rgba(0, 0, 0, 0.6);
  }
}

/* モバイル時 Maplibre デフォルトズームボタン非表示 */
.hidden-pc { display: block; }
.maplibregl-ctrl-zoom-in, .maplibregl-ctrl-zoom-out { display: none !important; }

/* --- PC (>= 769px) Styles --- */
@media (min-width: 769px) {
  .app-container {
    display: flex;
  }
  .search-panel {
    position: relative;
    top: 0; left: 0; right: 0;
    width: 360px;
    height: 100dvh;
    border-radius: 0;
    border-right: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    padding: 24px;
  }
  .panel-header h1 {
    font-size: 28px;
  }
  .search-form {
    margin-top: 32px;
  }
  .search-form.collapsed {
    display: flex; /* PCは常に表示 */
  }
  .bottom-sheet {
    position: static;
    transform: none !important;
    box-shadow: none;
    border-radius: 0;
    background: transparent;
    padding-top: 24px;
    flex: 1;
    overflow-y: hidden;
  }
  .results-container {
    height: auto !important;
    max-height: none;
    padding: 0;
  }
  .hidden-pc {
    display: none !important;
  }
  .maplibregl-ctrl-zoom-in, .maplibregl-ctrl-zoom-out {
    display: block !important;
  }
  #map-controls {
    top: 24px; right: 24px;
  }
}