* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; padding: 20px; }
.container { max-width: 1400px; margin: 0 auto; }
header { text-align: center; color: white; margin-bottom: 30px; }
header h1 { font-size: 2.5rem; margin-bottom: 10px; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3); }
.status { font-size: 1rem; opacity: 0.9; }
.main-content { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; min-height: 600px; }
.map-container { background: white; border-radius: 15px; overflow: hidden; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); }
#map { width: 100%; height: 600px; }
.info-panel { background: white; border-radius: 15px; padding: 25px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); display: flex; flex-direction: column; }
.search-radius { margin-bottom: 20px; }
.search-radius label { display: block; font-weight: 600; margin-bottom: 8px; color: #333; }
.search-radius select { width: 100%; padding: 10px; border: 2px solid #e0e0e0; border-radius: 8px; font-size: 1rem; cursor: pointer; transition: border-color 0.3s; }
.search-radius select:hover, .search-radius select:focus { border-color: #667eea; outline: none; }
.stats { background: #f8f9fa; border-radius: 10px; padding: 15px; margin-bottom: 20px; }
.stat-item { display: flex; justify-content: space-between; padding: 8px 0; }
.stat-label { color: #666; font-weight: 500; }
.stat-value { color: #667eea; font-weight: 700; font-size: 1.1rem; }
.refresh-btn { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border: none; padding: 12px 20px; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; margin-bottom: 20px; }
.refresh-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4); }
.refresh-btn:active { transform: translateY(0); }
.planes-list { flex: 1; overflow-y: auto; max-height: 400px; }
.no-planes { text-align: center; padding: 40px 20px; color: #999; font-style: italic; }
.plane-card { background: #f8f9fa; border-radius: 10px; padding: 15px; margin-bottom: 12px; border-left: 4px solid #667eea; transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; }
.plane-card:hover { transform: translateX(5px); box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1); }
.plane-card.selected { background: #e8eaf6; border-left-color: #764ba2; }
.plane-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.plane-callsign { font-size: 1.2rem; font-weight: 700; color: #333; }
.plane-distance { background: #667eea; color: white; padding: 4px 10px; border-radius: 12px; font-size: 0.85rem; font-weight: 600; }
.plane-details { font-size: 0.9rem; color: #666; }
.plane-detail { padding: 3px 0; display: flex; justify-content: space-between; }
.plane-detail-label { font-weight: 500; }
.plane-detail-value { color: #333; }
@media (max-width: 1024px) { .main-content { grid-template-columns: 1fr; } #map { height: 400px; } .planes-list { max-height: 300px; } }
@media (max-width: 768px) { header h1 { font-size: 1.8rem; } body { padding: 10px; } .info-panel { padding: 15px; } }