/* base.css - 公共基础样式 */

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0a0a1a;
  color: #fff;
  overflow: hidden;
}

#container {
  position: relative;
  width: 100vw;
  height: 100vh;
}

#container.dragging {
  cursor: grabbing;
}

/* Bottom Dock */
#right-toolbar-group {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

#right-toolbar-group,
#info-panel,
#coordinates-display,
#legend,
#earth-stats {
  transition:
    top 0.45s ease,
    right 0.45s ease,
    bottom 0.45s ease,
    left 0.45s ease,
    transform 0.45s ease,
    box-shadow 0.45s ease;
}

/* Zoom Toolbar - Right side, vertical */
#zoom-toolbar {
  position: relative;
  bottom: auto;
  right: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

#zoom-toolbar .zoom-percent {
  font-size: 0.75rem;
  font-weight: 600;
  color: #4db8ff;
  min-width: 30px;
  display: inline-block;
  text-align: center;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.2s ease;
}

#zoom-toolbar .zoom-percent:hover {
  background: rgba(77, 184, 255, 0.2);
  box-shadow: 0 0 10px rgba(77, 184, 255, 0.3);
}

#zoom-toolbar .zoom-btn {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(77, 184, 255, 0.2);
  color: #4db8ff;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  padding: 0;
  margin: 0;
  flex: 0 0 auto;
  box-sizing: border-box;
  position: relative;
}

#zoom-toolbar .zoom-btn:hover {
  background: rgba(77, 184, 255, 0.4);
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(77, 184, 255, 0.5);
}

#zoom-toolbar #reset-view svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#zoom-toolbar .zoom-percent {
  position: relative;
}

#zoom-toolbar .tooltip {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 10, 30, 0.95);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  border: 1px solid rgba(77, 184, 255, 0.4);
  pointer-events: none;
  z-index: 100;
}

#zoom-toolbar .zoom-btn:hover .tooltip,
#zoom-toolbar .zoom-percent:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

#zoom-toolbar .tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(77, 184, 255, 0.4);
}

#loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.2rem;
  color: #4db8ff;
  z-index: 100;
  text-align: center;
  background-color: rgba(10, 10, 30, 0.95);
  padding: 30px;
  border-radius: 10px;
  border: 1px solid #4db8ff;
  box-shadow: 0 0 30px rgba(77,184,255,0.3);
}

#loading-spinner {
  border: 4px solid rgba(77, 184, 255, 0.3);
  border-top: 4px solid #4db8ff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.error-message {
  color: #ff4444;
  margin-top: 10px;
  font-size: 0.9rem;
  display: none;
  padding: 10px;
  background-color: rgba(255, 68, 68, 0.1);
  border-radius: 5px;
  border-left: 3px solid #ff4444;
}

.terrain-controls {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-container {
  margin-bottom: 10px;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

input[type="range"] {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  background: rgba(0, 102, 204, 0.3);
  border-radius: 4px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #4db8ff;
  cursor: pointer;
  box-shadow: 0 0 10px #4db8ff;
}

.status-message {
  position: absolute;
  top: 20px;
  right: 260px;
  background-color: rgba(10, 10, 30, 0.85);
  border-radius: 10px;
  padding: 10px 15px;
  z-index: 10;
  box-shadow: 0 0 20px rgba(0, 150, 255, 0.3);
  border: 1px solid rgba(0, 150, 255, 0.2);
  font-size: 0.9rem;
  display: none;
  backdrop-filter: blur(5px);
}

.status-message.success {
  color: #44ff44;
  border-left: 3px solid #44ff44;
}

.status-message.warning {
  color: #ffff44;
  border-left: 3px solid #ffff44;
}

.status-message.error {
  color: #ff4444;
  border-left: 3px solid #ff4444;
}

.tooltip {
  position: absolute;
  background-color: rgba(10, 10, 30, 0.95);
  border: 1px solid #4db8ff;
  border-radius: 5px;
  padding: 5px 10px;
  font-size: 0.8rem;
  color: #fff;
  pointer-events: none;
  z-index: 100;
  box-shadow: 0 0 10px rgba(77, 184, 255, 0.3);
  display: none;
  user-select: none;
}

/* Control Toolbar - Stellarium/Star Walk style */
#control-toolbar {
  position: relative;
  bottom: auto;
  right: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(10, 10, 30, 0.9);
  border-radius: 999px;
  padding: 10px 14px;
  border: 1px solid rgba(77, 184, 255, 0.3);
  box-shadow: 0 0 20px rgba(77, 184, 255, 0.2);
  transition: all 0.3s ease;
}

.toolbar-items {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: nowrap;
}

.toolbar-divider {
  width: 1px;
  height: 28px;
  background: rgba(77, 184, 255, 0.28);
  flex-shrink: 0;
}

.toolbar-btn {
  position: relative;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(77, 184, 255, 0.15);
  color: #4db8ff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

.toolbar-btn:hover {
  background: rgba(77, 184, 255, 0.35);
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(77, 184, 255, 0.5);
}

.toolbar-btn:active {
  transform: scale(0.95);
}

.toolbar-btn.active {
  background: rgba(77, 184, 255, 0.4);
  box-shadow: 0 0 10px rgba(77, 184, 255, 0.4) inset;
}

.toolbar-btn .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toolbar-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2.1;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#rotate-toggle .icon-play,
#rotate-toggle.is-stopped .icon-pause {
  display: none;
}

#rotate-toggle.is-stopped .icon-play {
  display: inline-flex;
}

#container.layout-expanded #info-panel {
  top: 20px;
  left: 20px;
  transform: translate(calc(-100% + 20px), calc(-100% + 20px));
}

#container.layout-expanded #coordinates-display {
  top: 20px;
  right: 20px;
  transform: translate(calc(100% - 20px), calc(-100% + 20px));
}

#container.layout-expanded #legend {
  left: 20px;
  bottom: 20px;
  transform: translate(calc(-100% + 20px), calc(100% - 20px));
}

#container.layout-expanded #earth-stats {
  right: 20px;
  bottom: 20px;
  transform: translate(calc(100% - 20px), calc(100% - 20px));
}

#container.layout-expanded #right-toolbar-group {
  bottom: 20px;
  transform: translateX(-50%);
}

.toolbar-btn .tooltip {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 10, 30, 0.95);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  border: 1px solid rgba(77, 184, 255, 0.4);
  pointer-events: none;
  z-index: 100;
}

.toolbar-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
  bottom: 52px;
}

.toolbar-btn .tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(77, 184, 255, 0.4);
}