body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #eceff1;
    text-align: center;
    color: #333;
}

header {
    background-color: #263238;
    color: #ffffff;
    padding: 20px;
    font-size: 2em;
    text-align: center;
}

main {
    margin: 20px;
    padding: 20px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.map-section {
    max-width: 1000px;
    margin: 0 auto;
    text-align: left;
}

.map-section h2 {
    color: #37474f;
    text-align: left;
}

.map-calendar-wrapper {
    display: flex;
    gap: 2em;
    align-items: stretch;
    margin-top: 1.5em;
}

#event-map, #projects-map {
    flex: 2;
    min-width: 300px;
    height: 450px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(38,50,56,0.07); /* use deep blue for subtle shadow */
    border: 2px solid #546e7a;
    background: #eceff1;
}

.event-calendar, .project-calendar {
    flex: 1;
    background: #cfd8dc; /* Light blue-grey */
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(38,50,56,0.09);
    padding: 1em 1em;
    min-width: 210px;
    max-width: 280px;
    border: 1.5px solid #546e7a;
    margin-top: 0;
}

.event-calendar h3, .project-calendar h3 {
    margin-top: 0;
    font-size: 1.2em;
    text-align: center;
    color: #263238;
    letter-spacing: 0.5px;
}

.event-calendar ul, .project-calendar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.event-calendar li, .project-calendar li {
    margin-bottom: 1em;
    padding-bottom: 0.7em;
    border-bottom: 1px solid #b0bec5;
    background: #eceff1;
    border-radius: 4px;
    padding: 0.5em;
}
.event-calendar li:last-child, .project-calendar li:last-child {
    border-bottom: none;
}

.event-calendar strong, .project-calendar strong {
    color: #263238;
    font-size: 1em;
}
.event-calendar span, .project-calendar span {
    color: #546e7a;
    font-size: 0.99em;
}

.event-calendar em, .project-calendar em {
    color: #37474f;
    font-size: 0.94em;
}

footer {
    background-color: #37474f;
    color: #ffffff;
    padding: 7px 0;
    font-size: 0.8em;
    text-align: center;
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 900px) {
    .map-calendar-wrapper {
        flex-direction: column;
        gap: 1em;
    }
    #event-map, #projects-map, .event-calendar, .project-calendar {
        width: 100%;
        min-width: unset;
        max-width: unset;
        margin-bottom: 1em;
    }
}