.main-title {
  color: #007bff;
  text-align: center;
  margin-bottom: 8px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  padding: 4px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  display: inline-block;
  font-size: 1.4em;
}

#searchContainer {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: auto;
  max-width: 500px;
  width: calc(100% - 40px);
  position: relative;
  padding: 8px 16px;
  box-sizing: border-box;
  background-color: #ffe8d6;
  border-radius: 28px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

#keyword {
  padding: 0;
  width: calc(100% - 34px);
  border: none;
  border-radius: 0;
  margin: 0;
  font-size: 16px;
  box-shadow: none;
  word-wrap: break-word;
  overflow-wrap: break-wrap;
  display: block;
  background-color: transparent;
  color: #333;
  transition: var(--color-transition);
}

#keyword::placeholder {
  color: #888;
}

#keyword:focus {
  outline: none;
}

#searchIcon {
  position: static;
  margin-left: 10px;
  font-size: 24px;
  cursor: pointer;
  color: #555;
  transition: color 0.3s ease;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

#searchIcon:hover {
  color: #007BFF;
}

#locationSwitchContainer {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 8px 15px;
  border-radius: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
}

#searchContainer + #locationSwitchContainer {
  margin-top: 6px;
}

#locationSwitchText {
  color: #007BFF;
  font-weight: 500;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
  margin-left: 10px;
}

#results {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  padding: 0 20px;
}

.station {
  background-color: #fff2ec;
  border: 1px solid #e0e0e0;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 10px;
  width: calc(33% - 20px);
  min-width: 250px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, var(--color-transition);
  word-wrap: break-word;
  overflow-wrap: break-wrap;
  cursor: pointer;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.station:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.station .header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 10px;
}

.station h3 {
  margin: 0;
  color: #007BFF;
  font-size: 1.2em;
  word-wrap: break-word;
  overflow-wrap: break-word;
  flex-grow: 1;
  transition: var(--color-transition);
}

.station p {
  margin: 4px 0;
  color: #666;
  transition: var(--color-transition);
}

.station .icon-group {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  padding-top: 0;
}

.station .pin-button {
  font-size: 24px;
  cursor: pointer;
  color: #007BFF;
  transition: color 0.2s ease;
  user-select: none;
}

.station .pin-button.pinned {
  color: #FFD700;
}

.navigate-button {
  background: none;
  border: none;
  padding: 0;
  font-size: 24px;
  color: #007BFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease, background-color 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  border-radius: 50%;
}

.navigate-button:hover {
  background-color: transparent;
  color: #0056b3;
}

.station .electric-icon {
  font-size: 24px;
  color: #4CAF50;
  display: none;
  cursor: pointer;
}

.station .electric-icon.show {
  display: block;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  z-index: 600;
  text-align: center;
  display: none;
  transition: var(--color-transition);
}

.modal.show {
  display: block;
}

.modal button {
  margin: 10px auto;
  display: block;
  padding: 10px 20px;
  background-color: #007BFF;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

.modal button:hover {
  background-color: #0056b3;
}

#locationNotification {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: #e8def8; 
  color: #1c1b1f; 
  padding: 12px 20px;
  border-radius: 20px; 
  font-size: 14px;
  z-index: 900;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2); 
}

#locationNotification.show {
  opacity: 1;
  transform: translateY(0);
}

#locationNotification.hide {
  opacity: 0;
  transform: translateY(-20px);
}

#dragHandle {
  position: sticky;
  top: 0;
  z-index: 200;
  height: 24px;
  width: 100px;
  cursor: ns-resize;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  padding: 0;
}

#dragHandle::before {
  content: ' ';
  width: 100px;
  height: 6px;
  background: #a0a0a0;
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#dragHandle:hover::before {
  background: #888;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.pulsing-icon .pulse {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #2196F3;
  animation: pulse 2s infinite ease-out;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #007BFF;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

#extraButtons {
  position: fixed;
  bottom: 120px;
  right: 80px;
  transform: translateX(150%);
  transition: transform 0.5s ease, opacity 0.5s ease;
  display: flex;
  flex-direction: row;
  gap: 10px;
  z-index: 800;
  opacity: 0;
  pointer-events: none;
}

#extraButtons.show {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
  animation: popUp 0.5s forwards;
}

#extraButtons.hiding {
  animation: popDown 0.5s forwards;
}

#extraButtons a {
  width: 50px;
  height: 50px;
  background-color: white;
  color: black;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  transition: background-color 0.3s ease;
}

#extraButtons a:hover {
  background-color: #f0f0f0;
}

#settingsPanel {
  position: fixed;
  bottom: 60px;
  right: 20px; 
  display: flex;
  flex-direction: row;
  gap: 10px;
  z-index: 400;
  transform: translateX(100%) scale(0.5);
  opacity: 0;
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.9);
  padding: 10px;
  border-radius: 30px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

#settingsPanel.show {
  animation: popUpSettings 0.2s forwards;
}

#settingsPanel.hiding {
  animation: popDownSettings 0.2s forwards;
}

#settingsPanel a,
#settingsPanel button {
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#settingsPanel a:hover,
#settingsPanel button:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 10px rgba(0,0,0,0.2);
}

#updateCountdown {
  white-space: nowrap;
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 400;
  padding: 8px 16px;
  background-color: #ffdacf;
  color: #333;
  border: none;
  border-radius: 20px;
  font-size: 0.9em;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  width: 140px; /* Set a fixed width */
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

#updateCountdown:hover {
  background-color: #ffc0a8;
  box-shadow: 0 3px 6px rgba(0,0,0,0.3);
}

body.dark-mode #updateCountdown {
    background-color: #e8def8;
    color: #1c1b1f;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

body.dark-mode #updateCountdown:hover {
    background-color: #d0bcff;
    color: #1c1b1f;
    box-shadow: 0 3px 6px rgba(0,0,0,0.4);
}

#updateCountdown .material-icons {
  font-size: 18px;
  vertical-align: middle;
}

.countdown-text-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

#countdownTimer {
    min-width: 20px; /* Adjust as needed */
    text-align: right;
    display: inline-block;
}

#settingsButton {
  position: fixed;
  bottom: 60px;
  right: 20px;
  z-index: 700;
  width: 56px;
  height: 56px;
  background: #ffdacf;
  color: #333;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 3px 5px rgba(0,0,0,0.2);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#settingsButton:hover {
  background-color: #ffc0a8;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

#centralSettingsPanel {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  max-width: 320px;
  background: #fff5f0;
  border-radius: 20px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 600;
  backdrop-filter: blur(10px);
  max-height: calc(100dvh - 80px);
  overflow-y: scroll;
  scrollbar-width: none;
  transition: background-color 0.1s ease;
  animation-duration: 0.3s;
  animation-fill-mode: forwards;
  opacity: 0;
}

.settings-group {
  margin-bottom: 20px;
  padding: 15px;
  background: #fff2ec;
  border: 1px solid #000;
  border-radius: 10px;
  color: #333;
  transition: border-color 0.1s ease, color 0.2s ease, var(--color-transition);
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
  padding: 10px;
  background: #ffe8d6;
  border-radius: 8px;
  color: inherit;
  transition: background-color 0.2s ease, color 0.2s ease, var(--color-transition);
  flex-wrap: wrap; /* Allow items to wrap */
  gap: 10px; /* Add gap between wrapped items */
}

#centralSettingsPanel select {
  flex: 1 1 150px; /* Allow select to grow and shrink */
}


#closeCentralSettings {
  position: absolute;
  top: 2dvh;
  right: 2dvh;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #666;
  padding: 8px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
  -webkit-tap-highlight-color: transparent;
}

#closeCentralSettings:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

#centralSettingsPanel.panel-open {
  animation-name: slideIn;
}

#centralSettingsPanel.panel-close {
  animation-name: slideOut;
}

.github-link {
  text-decoration: none;
  color: #007BFF;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.github-link span {
  flex: 1;
}

.github-link svg {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
}

#settingsPanelTitle {
  color: #333;
}

.rotate-right {
  transform: rotate(360deg);
  transition: transform 0.8s ease;
  backface-visibility: hidden;
  will-change: transform;
}

.rotate-left {
  transform: rotate(-360deg);
  transition: transform 0.8s ease;
  backface-visibility: hidden;
  will-change: transform;
}

.spin-update {
  animation: spin-180 0.5s ease forwards;
}

#routeModal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff5f0; 
  padding: 24px;
  border-radius: 20px; 
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); 
  z-index: 600; 
  display: none; 
  width: 80%;
  max-width: 360px;
  max-height: calc(100dvh - 80px); 
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  text-align: left;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(10px); 
  animation-duration: 0.3s; 
  animation-fill-mode: forwards; 
  opacity: 0; 
}

#routeModal p {
    margin: 0.5em 0;
}

#routeModal.modal-open {
  animation-name: slideIn; 
}

#routeModal.modal-close {
  animation-name: slideOut; 
}

#routeModal::-webkit-scrollbar {
  display: none;
}

#routeModal h3 {
  margin-top: 30px; 
  margin-bottom: 20px;
  padding-right: 56px; 
  color: #007BFF;
  font-size: 1.3em;
  word-break: break-word;
}

#routeModal .bike-item {
  padding: 16px;
  margin-bottom: 12px;
  background-color: #fff2ec; 
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#routeModal .bike-item p {
  margin: 0;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

#closeRouteModal {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #666;
  padding: 8px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
  -webkit-tap-highlight-color: transparent;
}

#closeRouteModal:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

#routeModal ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#routeModal .bike-item:last-child {
  margin-bottom: 0;
}

/* 修正：優化重構 .overlay 遮罩層，不再粗暴使用 display，改為原生漸變，完美防範灰底閃爍消失的問題 */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease; /* 完美連動關閉過渡 */
}

.overlay.show {
  display: block !important;
  opacity: 1;
  visibility: visible;
}
@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(2.0);
    opacity: 0;
  }
}

@keyframes popUp {
    0% { transform: translateX(100%) scale(0.5); opacity: 0; }
    100% { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes popDown {
    0% { transform: translateX(0) scale(1); opacity: 1; }
    100% { transform: translateX(100%) scale(0.5); opacity: 0; }
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -48%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

@keyframes slideIn {
  from { transform: translate(-50%, -60%) scale(0.8); opacity: 0; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  to { transform: translate(-50%, -60%) scale(0.8); opacity: 0; }
}

@keyframes spin-180 {
  from { transform: rotate(0deg); }
  to { transform: rotate(180deg); }
}

.leaflet-bottom {
  z-index: 0 !important;
}

.leaflet-top {
  z-index: 400 !important;
}