/* VATPAC Radar Viewer - Sleek Black/Grey Dark Mode */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #161616;
  --bg-tertiary: #1f1f1f;
  --bg-card: #1a1a1a;
  --bg-hover: #252525;

  --text-primary: #ffffff;
  --text-secondary: #a1a1a1;
  --text-muted: #6b6b6b;

  --accent-primary: #ffffff;
  --accent-secondary: #d4d4d4;
  --accent-muted: #737373;

  /* Radar type colors */
  --color-pri: #3b82f6;
  --color-ssr-modec: #22c55e;
  --color-ssr-modes: #a855f7;
  --color-adsb: #f97316;
  --color-smr-adsb: #ef4444;

  --border-color: #2a2a2a;
  --border-light: #3a3a3a;
  --border-focus: #4a4a4a;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7), 0 4px 6px -2px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navbar */
.navbar {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
  padding: 0.75rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-brand span {
  color: var(--text-muted);
  font-weight: 400;
}

/* Main layout */
.app-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 340px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.search-box {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-box:focus {
  border-color: var(--border-focus);
}

.search-box::placeholder {
  color: var(--text-muted);
}

/* Filter controls */
.filter-section {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.6rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.filter-btn:hover {
  background: var(--bg-hover);
}

.filter-btn.active {
  border-color: var(--border-focus);
  color: var(--text-primary);
}

.filter-btn .color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.filter-btn[data-type="PRI"] .color-dot { background: var(--color-pri); }
.filter-btn[data-type="SSR_ModeC"] .color-dot { background: var(--color-ssr-modec); }
.filter-btn[data-type="SSR_ModeS"] .color-dot { background: var(--color-ssr-modes); }
.filter-btn[data-type="ADSB"] .color-dot { background: var(--color-adsb); }
.filter-btn[data-type="SMR_ADSB"] .color-dot { background: var(--color-smr-adsb); }

.filter-btn.active[data-type="PRI"] { border-color: var(--color-pri); background: rgba(59, 130, 246, 0.1); }
.filter-btn.active[data-type="SSR_ModeC"] { border-color: var(--color-ssr-modec); background: rgba(34, 197, 94, 0.1); }
.filter-btn.active[data-type="SSR_ModeS"] { border-color: var(--color-ssr-modes); background: rgba(168, 85, 247, 0.1); }
.filter-btn.active[data-type="ADSB"] { border-color: var(--color-adsb); background: rgba(249, 115, 22, 0.1); }
.filter-btn.active[data-type="SMR_ADSB"] { border-color: var(--color-smr-adsb); background: rgba(239, 68, 68, 0.1); }

/* Stats bar */
.stats-bar {
  padding: 0.5rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.stats-bar span strong {
  color: var(--text-secondary);
}

/* Radar list */
.radar-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.radar-list::-webkit-scrollbar {
  width: 6px;
}

.radar-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.radar-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.radar-list::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

.radar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  transition: background 0.15s;
  border-left: 3px solid transparent;
}

.radar-item:hover {
  background: var(--bg-hover);
}

.radar-item.selected {
  background: var(--bg-tertiary);
}

.radar-item[data-type="PRI"] { border-left-color: var(--color-pri); }
.radar-item[data-type="SSR_ModeC"] { border-left-color: var(--color-ssr-modec); }
.radar-item[data-type="SSR_ModeS"] { border-left-color: var(--color-ssr-modes); }
.radar-item[data-type="ADSB"] { border-left-color: var(--color-adsb); }
.radar-item[data-type="SMR_ADSB"] { border-left-color: var(--color-smr-adsb); }

.radar-item-info {
  flex: 1;
  min-width: 0;
}

.radar-item-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.radar-item-meta {
  font-size: 0.6875rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
}

.radar-item-type {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.radar-item[data-type="PRI"] .radar-item-type { background: rgba(59, 130, 246, 0.15); color: var(--color-pri); }
.radar-item[data-type="SSR_ModeC"] .radar-item-type { background: rgba(34, 197, 94, 0.15); color: var(--color-ssr-modec); }
.radar-item[data-type="SSR_ModeS"] .radar-item-type { background: rgba(168, 85, 247, 0.15); color: var(--color-ssr-modes); }
.radar-item[data-type="ADSB"] .radar-item-type { background: rgba(249, 115, 22, 0.15); color: var(--color-adsb); }
.radar-item[data-type="SMR_ADSB"] .radar-item-type { background: rgba(239, 68, 68, 0.15); color: var(--color-smr-adsb); }

/* Map container */
.map-container {
  flex: 1;
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
}

/* Leaflet popup overrides */
.leaflet-popup-content-wrapper {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
  box-shadow: var(--shadow-lg) !important;
}

.leaflet-popup-tip {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: none !important;
}

.leaflet-popup-close-button {
  color: var(--text-muted) !important;
}

.leaflet-popup-close-button:hover {
  color: var(--text-primary) !important;
}

.popup-content {
  min-width: 200px;
}

.popup-content h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.popup-content .popup-type {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.popup-type.PRI { background: rgba(59, 130, 246, 0.2); color: var(--color-pri); }
.popup-type.SSR_ModeC { background: rgba(34, 197, 94, 0.2); color: var(--color-ssr-modec); }
.popup-type.SSR_ModeS { background: rgba(168, 85, 247, 0.2); color: var(--color-ssr-modes); }
.popup-type.ADSB { background: rgba(249, 115, 22, 0.2); color: var(--color-adsb); }
.popup-type.SMR_ADSB { background: rgba(239, 68, 68, 0.2); color: var(--color-smr-adsb); }

.popup-detail {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
  font-size: 0.8125rem;
}

.popup-detail .label {
  color: var(--text-muted);
}

.popup-detail .value {
  color: var(--text-primary);
  font-weight: 500;
}

/* Legend */
.map-legend {
  position: absolute;
  bottom: 2rem;
  right: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  z-index: 800;
  box-shadow: var(--shadow-lg);
}

.map-legend h4 {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid;
  opacity: 0.9;
}

.legend-color.PRI { background: rgba(59, 130, 246, 0.25); border-color: var(--color-pri); }
.legend-color.SSR_ModeC { background: rgba(34, 197, 94, 0.25); border-color: var(--color-ssr-modec); }
.legend-color.SSR_ModeS { background: rgba(168, 85, 247, 0.25); border-color: var(--color-ssr-modes); }
.legend-color.ADSB { background: rgba(249, 115, 22, 0.25); border-color: var(--color-adsb); }
.legend-color.SMR_ADSB { background: rgba(239, 68, 68, 0.25); border-color: var(--color-smr-adsb); }

/* Responsive */
@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    max-height: 40vh;
  }

  .map-container {
    min-height: 60vh;
  }
}