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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin-bottom: 0.5rem;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

#location-section {
    text-align: center;
    margin-bottom: 2rem;
}

#getLocationBtn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#getLocationBtn:hover {
    background-color: #218838;
}

#stop-input {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

#stop-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#stop-form label {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

#stop-form input {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

#stop-form button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 0.75rem;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#stop-form button:hover {
    background-color: #0056b3;
}

#results {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.hidden {
    display: none;
}

#loading {
    text-align: center;
    padding: 1rem;
    color: #007bff;
    font-weight: bold;
}

#error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
}

#no-results {
    text-align: center;
    padding: 1rem;
    color: #6c757d;
    font-style: italic;
}

.arrival-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s;
}

.arrival-item:hover {
    background-color: #f8f9fa;
}

.arrival-item:last-child {
    border-bottom: none;
}

.arrival-time {
    font-weight: bold;
    font-size: 1.1rem;
    color: #007bff;
    min-width: 80px;
}

.arrival-route {
    font-weight: bold;
    color: #28a745;
    min-width: 50px;
    text-align: center;
}

.arrival-destination {
    flex: 1;
    text-align: left;
    margin-left: 1rem;
}

@media (max-width: 600px) {
    main {
        padding: 0.5rem;
    }
    
    .arrival-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.5rem;
    }
    
    .arrival-time {
        font-size: 1rem;
    }
    
    .arrival-route {
        font-size: 0.9rem;
    }
    
    #stop-form {
        gap: 0.5rem;
    }
    
    #stop-form input,
    #stop-form button {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
}