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

body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    line-height: 1.6;
    color: #003688;
    background-color: #fff;
    min-height: 100vh;
}

main {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.roundel {
    width: 200px;
    height: 200px;
    border: 38px solid #E32017;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    position: relative;
}

.roundel-bar {
    background-color: #003688;
    width: 240px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
}

.roundel-bar span {
    color: #fff;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transform: translateY(0.2rem);
}

.station-info {
    background-color: #fff;
    color: #003688;
    padding: 1.5rem 2.5rem;
    border-radius: 4px;
}

.station-info .welcome {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.station-info .status {
    color: #007229;
    font-weight: 500;
}

.station-info .status.error {
    color: #E32017;
}

.line-indicators {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.line {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.875rem;
    color: #fff;
    text-decoration: none;
}

.line:hover {
    opacity: 0.9;
}

.line.central {
    background-color: #E32017;
}

.line.victoria {
    background-color: #0098D4;
}

.line.northern {
    background-color: #000;
}

.line.district {
    background-color: #007D32;
}