body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            color: #333;
        }
        h1 {
            color: #2c3e50;
            text-align: center;
            margin-bottom: 30px;
        }
        .control-panel {
            background-color: #f8f8f8;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .city-selector {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 80%;
            margin-bottom: 10px;
        }
        .city-button {
            padding: 8px 12px;
            background-color: #f0f0f0;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .city-button:hover {
            background-color: #e3f2fd;
            border-color: #bbdefb;
        }
        .city-button.active {
            background-color: #FF4500; /* ISO Antarctic Orange (Emergency color) */
            color: white;
            border-color: #E03E00;
            font-weight: bold;
        }
        .speed-control {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            width: 100%;
            padding-top: 10px;
        }
        .speed-slider-container {
            display: flex;
            flex-direction: column;
            width: 100%;
            max-width: 600px;
            margin: 0 auto;
        }
        .speed-slider-label {
            display: flex;
            justify-content: space-between;
            font-weight: bold;
            margin-bottom: 5px;
        }
        .slider-ticks {
            display: flex;
            justify-content: space-between;
            width: 100%;
            padding: 0 10px;
            box-sizing: border-box;
            position: relative;
            height: 20px;
        }
        .slider-tick {
            position: absolute;
            height: 10px;
            border-left: 1px solid #aaa;
            top: 0;
            font-size: 12px;
            transform: translateX(-50%);
        }
        .slider-tick-label {
            position: absolute;
            top: 12px;
            transform: translateX(-50%);
            font-size: 12px;
            color: #666;
        }
        input[type="range"] {
            width: 100%;
            height: 20px;
            -webkit-appearance: none;
            background: #ddd;
            border-radius: 10px;
            cursor: pointer;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 24px;
            height: 24px;
            background: #4d90fe;
            border-radius: 50%;
            cursor: pointer;
            border: 2px solid white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        input[type="range"]::-moz-range-thumb {
            width: 24px;
            height: 24px;
            background: #4d90fe;
            border-radius: 50%;
            cursor: pointer;
            border: 2px solid white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .speed-display {
            font-size: 16px;
            font-weight: bold;
            margin-top: 5px;
            color: #2c3e50;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 30px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        th, td {
            border: 1px solid #ddd;
            padding: 12px;
            text-align: left;
        }
        th {
            background-color: #2c3e50;
            color: white;
            position: sticky;
            top: 0;
        }
        tr:nth-child(even) {
            background-color: #f2f2f2;
        }
        tr:hover {
            background-color: #e3f2fd;
            cursor: pointer;
        }
        tr.origin-row {
            background-color: #FF4500 !important; /* ISO Antarctic Orange */
            color: white;
            font-weight: bold;
        }
        .note {
            font-style: italic;
            color: #7f8c8d;
            margin-top: 20px;
        }
        .center {
            text-align: center;
        }
        #selectedCityInfo {
            margin-bottom: 20px;
            padding: 15px;
            background-color: #f8f8f8;
            border-left: 5px solid #FF4500;
            border-radius: 4px;
        }
        .destination-cell {
            font-weight: bold;
        }
        .clickable-instruction {
            text-align: center;
            font-style: italic;
            margin-bottom: 15px;
            color: #555;
        }
        .flight-components {
            font-size: 0.8em;
            color: #777;
            margin-top: 5px;
        }