:root {
    --color-bg: #111118;
    --color-text: #EAEAEA;
    --color-primary-glow: rgba(0, 191, 255, 0.7);
    --color-secondary-glow: rgba(255, 20, 147, 0.7);
    --color-highlight-glow: #00ffc3;
    --font-main: 'Poppins', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    background-color: var(--color-bg);
    background-image: radial-gradient(circle at 15% 15%, var(--color-primary-glow), transparent 30%),
                      radial-gradient(circle at 85% 80%, var(--color-secondary-glow), transparent 40%);
    color: var(--color-text);
    font-family: var(--font-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    box-sizing: border-box;
}

#clock-container {
    position: fixed;
    top: 20px;
    right: 25px;
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-text);
    background: rgba(17, 17, 24, 0.6);
    padding: 8px 20px;
    border-radius: 10px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    z-index: 1000;
}

.container {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

.main-header {
    margin-bottom: 4rem;
}

.main-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.main-header p {
    font-size: 1.1rem;
    color: #a0a0b0;
}

h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: rgba(23, 23, 30, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(5px);
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-glow);
    box-shadow: 0 0 15px var(--color-primary-glow), 0 0 30px var(--color-primary-glow);
}

.card.disabled {
    cursor: not-allowed;
    opacity: 0.4;
    pointer-events: none;
}

.card-content {
    padding: 1.5rem 1rem;
}

.card-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.hidden {
    display: none;
}

.btn-back {
    background: transparent;
    border: 1px solid #a0a0b0;
    color: #a0a0b0;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 1rem;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background-color: var(--color-primary-glow);
    border-color: var(--color-primary-glow);
    color: var(--color-bg);
}

#timetable-display {
    background-color: rgba(23, 23, 30, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
    text-align: left;
    backdrop-filter: blur(5px);
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.schedule-table th, .schedule-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 50%;
}

.schedule-table th {
    font-weight: 600;
    color: #a0a0b0;
}

.schedule-table tr:last-child td {
    border-bottom: none;
}

.schedule-table tr.next-bus {
    background-color: rgba(0, 255, 195, 0.1);
    color: var(--color-highlight-glow);
}

.schedule-table tr.next-bus td {
    font-weight: 600;
}

.info-message {
    text-align: center;
    margin-top: 1.5rem;
    color: #a0a0b0;
    font-style: italic;
}

.bus-name {
    display: block;
    font-size: 0.8em;
    color: #a0a0b0;
    margin-top: 5px;
    font-weight: 400;
}

.next-bus .bus-name {
    color: var(--color-highlight-glow); /* Match highlight color */
    opacity: 0.8;
}