:root {
    --bg-color: #ffffff;
    --text-color: #0f0f0f;
    --accent-color: #207070;
    --card-bg: #f5f5f5;
    --shadow: rgba(0, 0, 0, 0.1);
    --border-color: #e0e0e0;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0f0f0f;
        --text-color: #ffffff;
        --accent-color: #4DD4C1;
        --card-bg: #1a1a1a;
        --shadow: rgba(255, 255, 255, 0.1);
        --border-color: #333;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 1.5rem 0;
    border-bottom: 2px solid var(--accent-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 5000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--accent-color);
    font-weight: 700;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s, transform 0.3s;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}


/* Events Section */
.events {
    padding: 4rem 0;
    background-color: var(--card-bg);
}

.events-first {
    padding-top: 2rem;
}

.events h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

/* Split view for desktop */
.events-split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    height: 600px;
}

.events-list-container {
    background-color: var(--bg-color);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
}

.events-list {
    height: 100%;
    overflow-y: auto;
    padding: 1rem;
}

.event-list-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s;
}

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

.event-list-item:hover {
    background-color: var(--card-bg);
}

.event-list-item.highlighted {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.event-list-item.highlighted .event-description,
.event-list-item.highlighted .location-address {
    opacity: 0.9;
}

.event-list-item.highlighted .date-badge {
    background-color: var(--bg-color);
    color: var(--accent-color);
}

.event-list-item.highlighted a {
    color: var(--bg-color);
}

.event-list-item h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.event-list-item.highlighted h3 {
    color: var(--bg-color);
}

.location-info {
    margin-bottom: 0.5rem;
}

.location-name {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.location-address {
    font-size: 0.9rem;
    opacity: 0.8;
}

.event-description {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    opacity: 0.9;
}

.event-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.date-badge {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.2rem 0.6rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.event-links {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.event-links a {
    color: var(--accent-color);
    font-size: 1.2rem;
    transition: all 0.3s;
}

.event-links a:hover {
    transform: scale(1.2);
}

.event-link-with-text {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9rem !important;
    text-decoration: none;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--accent-color);
    border-radius: 15px;
    transition: all 0.3s;
}

.event-link-with-text:hover {
    background-color: var(--accent-color);
    color: var(--bg-color) !important;
    transform: scale(1.05);
}

.event-link-with-text i {
    font-size: 0.9rem;
}

.event-link-with-text span {
    font-size: 0.85rem;
    font-weight: 500;
}

.event-list-item.highlighted .event-link-with-text {
    border-color: var(--bg-color);
}

.event-list-item.highlighted .event-link-with-text:hover {
    background-color: var(--bg-color);
    color: var(--accent-color) !important;
}

/* Map container */
.events-map-container {
    background-color: var(--bg-color);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
}

.events-map {
    height: 100%;
    width: 100%;
}

/* Fix Leaflet z-index issues */
.leaflet-control-container {
    z-index: 500;
}

/* Map popup styling */
.map-popup h4 {
    color: #207070;
    margin-bottom: 0.5rem;
}

.map-popup p {
    margin: 0.3rem 0;
    font-size: 0.9rem;
}

/* Custom scrollbar for events list */
.events-list::-webkit-scrollbar {
    width: 8px;
}

.events-list::-webkit-scrollbar-track {
    background: var(--card-bg);
}

.events-list::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

.events-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
}

/* Gallery Section */
.gallery {
    padding: 4rem 0;
}

.gallery h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    transition: transform 0.3s;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.image-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 aspect ratio */
    overflow: hidden;
    background-color: var(--card-bg);
}

.image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover .image-wrapper img {
    transform: scale(1.1);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 1.5rem 1rem 1rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.gallery-item:hover .image-overlay {
    transform: translateY(0);
}

.image-caption {
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.image-event {
    font-size: 0.9rem;
    opacity: 0.9;
}

.loading {
    text-align: center;
    color: var(--accent-color);
    font-style: italic;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 6000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.3s;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    z-index: 6001;
    transform-origin: center center;
}

.lightbox-close:hover {
    color: var(--accent-color);
    background-color: rgba(0, 0, 0, 0.8);
}

.lightbox-caption {
    color: white;
    text-align: center;
    margin-top: 1rem;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 1rem 2rem;
    border-radius: 10px;
}

.lightbox-caption p:first-child {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.lightbox-event {
    font-size: 0.9rem;
    opacity: 0.9;
}

.lightbox-prev,
.lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 2.5rem;
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 6001;
}

.lightbox-prev:hover:not(:disabled),
.lightbox-next:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.lightbox-prev:disabled,
.lightbox-next:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-prev {
    left: 0;
    border-radius: 0 10px 10px 0;
}

.lightbox-next {
    right: 0;
    border-radius: 10px 0 0 10px;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    text-align: center;
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.contact-options {
    max-width: 600px;
    margin: 0 auto;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background-color: var(--bg-color);
    color: var(--accent-color);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.contact-button i {
    font-size: 1.3rem;
}

.contact-info {
    margin-top: 1.5rem;
    font-size: 1rem;
}

.contact-info .social-inline {
    color: var(--bg-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}

.contact-info .social-inline:hover {
    border-bottom-color: var(--bg-color);
}

/* Mail Exchange Section */
.mail-exchange {
    padding: 4rem 0;
    background-color: var(--card-bg);
}

.mail-exchange h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.mail-exchange .intro-text {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.exchange-rules {
    max-width: 800px;
    margin: 0 auto;
}

.exchange-rules h3 {
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-align: center;
}

.rule-section {
    background-color: var(--bg-color);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow);
}

.rule-section h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.rule-section ul,
.rule-section ol {
    margin-left: 1.5rem;
    line-height: 1.8;
}

.rule-section li {
    margin-bottom: 0.5rem;
}

.rule-section .warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 5px;
}

.mail-address {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin-top: 2rem;
}

.mail-address h4 {
    color: var(--bg-color);
    margin-bottom: 1rem;
}

.mail-address address {
    font-style: normal;
    font-size: 1.1rem;
    line-height: 1.8;
    font-weight: 500;
}

.mail-address .note {
    margin-top: 1rem;
    font-style: italic;
    opacity: 0.9;
}

.link-highlight {
    color: var(--bg-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--bg-color);
    transition: all 0.3s;
}

.link-highlight:hover {
    opacity: 0.8;
}

/* Footer */
footer {
    background-color: var(--card-bg);
    padding: 3rem 0 1rem;
    border-top: 2px solid var(--accent-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    opacity: 0.8;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 6000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    border: 2px solid var(--accent-color);
    width: 80%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: 15px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: slideIn 0.3s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-content .close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    z-index: 1;
    background-color: var(--bg-color);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 8px var(--shadow);
    line-height: 1;
    padding: 0;
    text-align: center;
}

.modal-body {
    padding: 2rem;
    padding-top: 3rem;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--card-bg);
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--card-bg);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
    opacity: 0.8;
}

.close {
    color: var(--text-color);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: var(--accent-color);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        transform: translate(-50%, -50%) translateY(-30px); 
        opacity: 0; 
    }
    to { 
        transform: translate(-50%, -50%) translateY(0); 
        opacity: 1; 
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .events-split-view {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .events-list-container {
        height: 400px;
        margin-bottom: 1rem;
    }
    
    .events-map-container {
        height: 400px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 1.5rem;
        padding: 0.5rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section .social-links {
        justify-content: center;
    }
    
    header {
        padding: 1rem 0;
        position: relative;
    }
    
    header .container {
        flex-direction: row;
        gap: 1rem;
    }
    
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .social-links a {
        font-size: 1.2rem;
    }
}