:root {
  --bg-color: #050505;
  --card-bg: rgba(20, 20, 30, 0.6);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --accent-color: #00f3ff; /* Cyan */
  --accent-glow: rgba(0, 243, 255, 0.4);
  --border-color: rgba(255, 255, 255, 0.1);
  --font-family: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

body {
  margin: 0;
  overflow: hidden;
  background-color: var(--bg-color);
  font-family: var(--font-family);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
}

/* --- UI Overlay --- */
.ui-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none; /* Let clicks pass to 3D globe */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  box-sizing: border-box;
  z-index: 10;
}

/* Header */
/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: auto;
  border-bottom: 1px solid rgba(0, 243, 255, 0.2);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-selector {
    background: rgba(0, 10, 20, 0.6);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 5px 10px;
    border-radius: 4px;
    font-family: var(--font-mono);
    cursor: pointer;
    outline: none;
}

.lang-selector option {
    background: #000;
    color: var(--accent-color);
}

.brand {
  display: flex;
  flex-direction: column;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px var(--accent-glow);
}

.subtitle {
  font-size: 0.8rem;
  color: var(--accent-color);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* Status Pill */
.status-pill {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 99px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(10px);
}

.dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-color);
  animation: pulse 2s infinite;
}

/* KPI Cards */
.kpi-container {
  display: flex;
  gap: 1.5rem;
  margin-top: auto; /* Push to bottom */
  pointer-events: auto;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  min-width: 200px;
  backdrop-filter: blur(20px);
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
}

.card-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.card-value {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}

/* Sidebar List */
.sidebar {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 300px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  backdrop-filter: blur(20px);
  pointer-events: auto;
  max-height: 60vh;
  overflow-y: auto;
}

.sidebar h3 {
  margin: 0 0 1rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  color: var(--text-secondary);
}

.fleet-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fleet-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
}

.fleet-item:last-child {
  border-bottom: none;
}

.fleet-id {
  font-family: var(--font-mono);
  color: var(--accent-color);
}

.fleet-status.delayed {
  color: #ff4d4d;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    opacity: 1;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}