/* SKYBUDDY // 3D Flight Tracker — Terminal Dev Style */

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

:root {
  --bg: #0c0c0c;
  --panel: rgba(12, 12, 12, 0.95);
  --border: rgba(0, 255, 136, 0.12);
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.3);
  --warn: #ff4444;
  --info: #00b4d8;
  --gold: #DAA520;
  --text: #b0b0b0;
  --text-dim: #555;
  --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* ─── Cesium Container ─── */
#cesiumContainer {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; left: 0;
}

.cesium-viewer-toolbar,
.cesium-viewer-animationContainer,
.cesium-viewer-timelineContainer,
.cesium-viewer-bottom,
.cesium-viewer-fullscreenContainer,
.cesium-viewer-geocoderContainer,
.cesium-viewer-infoBoxContainer,
.cesium-credit-logoContainer,
.cesium-credit-expand-link,
.cesium-widget-credits { display: none !important; }
.cesium-viewer .cesium-widget-credits { display: none !important; }

/* ─── HUD Overlay ─── */
#hud {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 100;
}
#hud > * { pointer-events: auto; }

/* ─── Top Bar — terminal header ─── */
.top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 36px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  z-index: 10;
  font-size: 11px;
}

.logo {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo::before {
  content: '>';
  color: var(--accent);
  font-weight: 400;
  animation: blink 1.2s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.logo .sep { color: var(--text-dim); font-weight: 300; }
.logo .sub { color: var(--text-dim); font-weight: 400; font-size: 10px; letter-spacing: 1px; }

.status-cluster {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 10px;
}

.stat { display: flex; align-items: center; gap: 4px; }
.stat-label {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 8px;
}
.stat-label::after { content: ':'; }
.stat-value { color: var(--accent); font-weight: 600; font-size: 11px; }

.pulse-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--accent); }
  50% { opacity: 0.3; box-shadow: 0 0 8px var(--accent); }
}

/* ─── Setup Panel ─── */
.setup-panel {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 32px;
  width: 440px;
  z-index: 200;
}
.setup-panel h2 {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: 3px;
  font-family: var(--mono);
}
.setup-panel h2::before { content: '$ '; color: var(--text-dim); font-weight: 400; }
.setup-panel p {
  color: var(--text-dim);
  font-size: 10px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.setup-panel p a { color: var(--accent); text-decoration: none; }
.setup-panel p a:hover { text-decoration: underline; }

.input-group { margin-bottom: 12px; }
.input-group label {
  display: block;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.input-group label::before { content: '# '; color: var(--accent); opacity: 0.4; }
.input-group input {
  width: 100%;
  padding: 8px 10px;
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}
.input-group input:focus { border-color: var(--accent); }
.input-group input::placeholder { color: var(--text-dim); }

.btn-launch {
  width: 100%;
  padding: 10px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 2px;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.15s;
}
.btn-launch:hover {
  background: var(--accent);
  color: var(--bg);
}

.setup-note {
  margin-top: 14px;
  padding: 8px 10px;
  border-left: 2px solid var(--accent);
  font-size: 9px;
  color: var(--text-dim);
  line-height: 1.6;
  background: rgba(0, 255, 136, 0.02);
}

.setup-footer {
  margin-top: 16px;
  text-align: center;
  font-size: 8px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

/* ─── Side Panel (Aircraft List) ─── */
.side-panel {
  position: absolute;
  top: 46px;
  left: 8px;
  bottom: 60px;
  width: 300px;
  background: var(--panel);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease;
}
.side-panel.hidden { transform: translateX(-320px); }

.panel-header {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 255, 136, 0.02);
}
.panel-title {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.panel-title::before { content: '// '; color: var(--accent); opacity: 0.4; }

.panel-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--mono);
}
.panel-close-btn:hover { color: var(--warn); }

.search-box {
  padding: 6px 10px;
  margin: 6px 8px;
  width: calc(100% - 16px);
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 10px;
  outline: none;
}
.search-box:focus { border-color: var(--accent); }

.aircraft-list {
  flex: 1;
  overflow-y: auto;
  padding: 2px;
}
.aircraft-list::-webkit-scrollbar { width: 3px; }
.aircraft-list::-webkit-scrollbar-track { background: transparent; }
.aircraft-list::-webkit-scrollbar-thumb { background: var(--border); }

.ac-item {
  padding: 6px 8px;
  cursor: pointer;
  transition: background 0.1s;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1px;
  border-left: 2px solid transparent;
  font-size: 10px;
}
.ac-item:hover { background: rgba(0, 255, 136, 0.04); border-left-color: var(--accent); }
.ac-item.selected { background: rgba(0, 255, 136, 0.08); border-left-color: var(--accent); }

.ac-callsign { font-weight: 600; font-size: 11px; color: var(--accent); }
.ac-alt { font-size: 10px; color: var(--info); text-align: right; }
.ac-origin { font-size: 8px; color: var(--text-dim); letter-spacing: 1px; }
.ac-speed { font-size: 8px; color: var(--text-dim); text-align: right; }

/* ─── Detail Panel ─── */
.detail-panel {
  position: absolute;
  top: 46px;
  right: 8px;
  width: 260px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 12px;
  display: none;
}
.detail-panel.visible { display: block; }

.detail-close {
  position: absolute;
  top: 6px; right: 8px;
  background: none; border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  font-family: var(--mono);
}
.detail-close:hover { color: var(--warn); }

.detail-callsign {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 2px;
  letter-spacing: 2px;
}
.detail-callsign::before { content: '> '; color: var(--text-dim); font-weight: 400; font-size: 14px; }
.detail-country {
  font-size: 9px;
  color: var(--text-dim);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.detail-field {
  border-left: 1px solid var(--border);
  padding-left: 6px;
}
.detail-field label {
  display: block;
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-bottom: 1px;
}
.detail-field .val { font-size: 13px; font-weight: 600; color: var(--text); }
.detail-field .val.accent { color: var(--accent); }
.detail-field .unit { font-size: 8px; color: var(--text-dim); margin-left: 2px; }

.btn-track {
  width: 100%;
  padding: 8px;
  margin-top: 12px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-track:hover { background: rgba(0, 255, 136, 0.1); }
.btn-track.tracking { background: var(--accent); color: var(--bg); }

.detail-wide { grid-column: 1 / -1; }
.detail-actions {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}
.detail-actions .btn-track {
  flex: 1;
  margin-top: 0;
}

/* ─── Bottom Controls ─── */
.bottom-bar {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 4px;
  z-index: 10;
}
.ctrl-btn {
  padding: 6px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}
.ctrl-btn:hover { border-color: var(--accent); color: var(--accent); }
.ctrl-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(0, 255, 136, 0.05); }

/* ─── Altitude Legend ─── */
.alt-legend {
  position: absolute;
  bottom: 50px;
  right: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 8px;
}
.alt-legend-title {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
  font-size: 7px;
}
.alt-legend-title::before { content: '// '; color: var(--accent); opacity: 0.4; }
.alt-row { display: flex; align-items: center; gap: 6px; margin-bottom: 2px; }
.alt-dot { width: 6px; height: 6px; border-radius: 1px; }

/* ─── Loading Overlay ─── */
.loading-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 500;
  transition: opacity 0.5s;
}
.loading-overlay.fade-out { opacity: 0; pointer-events: none; }

.loading-spinner {
  width: 30px; height: 30px;
  border: 1px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.loading-text::before { content: '[ '; color: var(--accent); }
.loading-text::after { content: ' ]'; color: var(--accent); }

/* ─── Toggle Button ─── */
.toggle-panel-btn {
  position: absolute;
  top: 46px;
  left: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 8px;
  cursor: pointer;
  z-index: 50;
  display: none;
}

/* ─── Notifications ─── */
.notification {
  position: fixed;
  top: 46px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 8px 16px;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 1px;
  z-index: 300;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.notification.error { border-left-color: var(--warn); color: var(--warn); }

/* ─── Watchlist Panel ─── */
.watchlist-panel {
  position: absolute;
  top: 46px;
  right: 8px;
  width: 280px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0;
  display: none;
  z-index: 60;
  overflow: hidden;
}
.watchlist-panel.visible { display: block; }
.wl-header {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 6px;
  background: rgba(0, 255, 136, 0.02);
}
.wl-title {
  font-size: 9px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--text-dim); flex: 1;
}
.wl-title::before { content: '// '; color: var(--accent); opacity: 0.4; }
.wl-status {
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
}
.wl-add-row {
  display: flex; gap: 4px; padding: 8px 10px 0;
}
.wl-input {
  flex: 1; padding: 6px 8px;
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid var(--border);
  color: var(--accent); font-family: var(--mono); font-size: 11px; outline: none;
}
.wl-input:focus { border-color: var(--accent); }
.wl-input::placeholder { color: var(--text-dim); }
.wl-add-btn {
  padding: 6px 12px; background: transparent; color: var(--accent);
  border: 1px solid var(--accent); font-family: var(--mono);
  font-weight: 700; font-size: 14px; cursor: pointer;
}
.wl-add-btn:hover { background: var(--accent); color: var(--bg); }
.wl-hint {
  padding: 3px 10px 6px; font-size: 8px; color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.wl-items {
  max-height: 180px; overflow-y: auto; padding: 4px;
}
.wl-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 8px;
  font-size: 12px; font-weight: 600; color: var(--accent);
  letter-spacing: 1px;
  border-left: 2px solid var(--accent);
  margin-bottom: 2px;
}
.wl-item:hover { background: rgba(0, 255, 136, 0.04); }
.wl-remove {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 11px; font-family: var(--mono);
}
.wl-remove:hover { color: var(--warn); }
.wl-empty {
  padding: 10px; font-size: 9px; color: var(--text-dim); text-align: center;
}
.wl-toggle-btn {
  width: calc(100% - 8px); margin: 4px; padding: 8px;
  background: transparent; border: 1px solid var(--border);
  color: var(--accent); font-family: var(--mono);
  font-weight: 600; font-size: 9px; letter-spacing: 1px; cursor: pointer;
  text-transform: uppercase;
}
.wl-toggle-btn:hover { border-color: var(--accent); background: rgba(0, 255, 136, 0.05); }

/* ─── Altitude Filter ─── */
.alt-filter {
  position: absolute;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 10px 14px;
  width: 260px;
  display: none;
  z-index: 20;
}
.alt-filter.visible { display: block; }
.alt-filter-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.alt-filter-title {
  font-size: 8px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-dim);
}
.alt-filter-value {
  font-size: 10px; color: var(--accent); font-weight: 600;
}
.alt-filter-row {
  display: flex; align-items: center; gap: 8px; margin-bottom: 4px;
}
.alt-filter-row input[type="range"] {
  flex: 1; -webkit-appearance: none; appearance: none;
  height: 2px; background: var(--border); outline: none;
}
.alt-filter-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 10px; height: 10px;
  background: var(--accent); cursor: pointer;
}
.alt-filter-row input[type="range"]::-moz-range-thumb {
  width: 10px; height: 10px; background: var(--accent);
  cursor: pointer; border: none;
}
.alt-filter-label {
  font-size: 9px; color: var(--text-dim); min-width: 45px; text-align: right;
}
.alt-filter-reset {
  width: 100%; padding: 5px; margin-top: 4px;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); font-family: var(--mono);
  font-size: 8px; letter-spacing: 1px; cursor: pointer; text-transform: uppercase;
}
.alt-filter-reset:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Prediction Legend ─── */
.prediction-legend {
  position: absolute;
  bottom: 110px;
  right: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 6px 10px;
  font-size: 8px;
}
.pred-legend-title {
  color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 3px; font-size: 7px;
}

/* ─── Airport Labels ─── */
.source-indicator {
  font-size: 8px; margin-left: 4px; opacity: 0.6;
}

/* ─── Minimap ─── */
.minimap-container {
  position: absolute;
  bottom: 44px;
  left: 8px;
  width: 480px;
  height: 280px;
  background: var(--panel);
  border: 1px solid var(--border);
  overflow: hidden;
  z-index: 20;
  cursor: crosshair;
}
.minimap-header {
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  padding: 2px 6px;
  background: rgba(0, 255, 136, 0.02);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}
.minimap-header::before { content: '// '; color: var(--accent); opacity: 0.4; }
.minimap-header .minimap-count { color: var(--accent); }
.minimap-canvas {
  width: 100%;
  height: calc(100% - 16px);
  display: block;
}

/* ─── Scanline overlay effect (subtle) ─── */
#hud::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 136, 0.008) 2px,
    rgba(0, 255, 136, 0.008) 4px
  );
  pointer-events: none;
  z-index: 999;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .top-bar { padding: 0 8px; }
  .status-cluster { gap: 8px; }
  .stat-label { display: none; }
  .side-panel { width: 240px; }
  .setup-panel { width: calc(100% - 24px); padding: 20px; }
  .detail-panel { width: 220px; }
  .alt-legend { display: none; }
  .minimap-container { display: none; }
}

@media (max-width: 480px) {
  .logo .sub { display: none; }
  .side-panel { width: 100%; left: 0; bottom: 0; top: 36px; }
  .detail-panel { width: 100%; right: 0; top: auto; bottom: 0; }
  .bottom-bar { bottom: auto; top: auto; }
  .minimap-container { display: none; }
}