:root {
  --bg-primary: #0a0d12;
  --bg-panel: #10151f;
  --border-color: #1f2937;
  --accent-cyan: #00f0ff;
  --accent-green: #00ff88;
  --accent-red: #ff3366;
  --accent-gold: #ffb800;
  --text-main: #e2e8f0;
  --text-muted: #64748b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

body, html {
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow: hidden;
}

#hud-container {
  display: grid;
  grid-template-rows: 48px 1fr;
  width: 100vw;
  height: 100vh;
}

header#top-bar {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 1.5px;
}

.status-badge {
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
  border-radius: 4px;
}

.controls {
  display: flex;
  gap: 12px;
}

button.btn-hud {
  background: #161e2e;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

button.btn-hud:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

button.btn-hud.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

#main-viewport {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: calc(100vh - 48px);
  position: relative;
}

#map-container, #view3d-container {
  width: 100%;
  height: 100%;
  position: relative;
}

#map-container {
  border-right: 1px solid var(--border-color);
}

#leaflet-map {
  width: 100%;
  height: 100%;
  background: #080a0f;
}

#webgl-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.tactical-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(16, 21, 31, 0.85);
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 11px;
  pointer-events: none;
  z-index: 1000;
}

.danger-text { color: var(--accent-red); }
.success-text { color: var(--accent-green); }
.cyan-text { color: var(--accent-cyan); }