:root {
    --primary-green: #2d7a3e;
    --secondary-blue: #3b5998;
    --accent-green: #4caf50;
    --accent-blue: #5a7fc7;
    --light-green: #e8f5e9;
    --light-blue: #e3f2fd;
    --dark-text: #2c3e50;
    --gray-text: #6c757d;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

.events-calendar-page {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    min-height: 100vh;
}

.calendar-hero {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-blue) 100%);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calendar-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.calendar-hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.calendar-hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.calendar-hero .subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.calendar-hero .year-badge {
    display: inline-block;
    background: var(--white);
    color: var(--primary-green);
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.calendar-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.calendar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.filters-section {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.filters-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    color: var(--dark-text);
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 122, 62, 0.1);
}

.search-box i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-text);
}

.month-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.month-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: var(--white);
    border-radius: 25px;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--dark-text);
}

.month-btn:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.month-btn.active {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
    border-color: transparent;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.category-btn {
    padding: 8px 16px;
    border: none;
    background: var(--off-white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.category-btn.active {
    color: var(--white);
}

.category-btn i {
    font-size: 0.8rem;
}

.events-results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

.results-count {
    font-size: 1rem;
    color: var(--gray-text);
}

.results-count span {
    font-weight: 600;
    color: var(--primary-green);
}

.view-toggle {
    display: flex;
    gap: 10px;
}

.view-btn {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    background: var(--white);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--gray-text);
}

.view-btn:hover,
.view-btn.active {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 30px;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.event-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.event-card.featured {
    border: 3px solid var(--primary-green);
}

.event-card.featured::before {
    content: 'STTZ Featured';
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
    padding: 5px 40px;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
    z-index: 10;
}

.event-card-header {
    padding: 25px 25px 15px;
    position: relative;
}

.event-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 15px;
}

.event-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-text);
    line-height: 1.4;
    margin-bottom: 10px;
}

.event-card-body {
    padding: 0 25px 25px;
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 15px;
}

.event-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--gray-text);
}

.event-meta-item i {
    width: 20px;
    color: var(--primary-green);
    margin-top: 3px;
}

.event-description {
    font-size: 0.9rem;
    color: var(--gray-text);
    line-height: 1.6;
    margin-bottom: 20px;
}

.event-audience {
    background: var(--light-green);
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--dark-text);
    margin-bottom: 20px;
}

.event-audience strong {
    color: var(--primary-green);
}

.event-actions {
    display: flex;
    gap: 10px;
}

.btn-event {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary-event {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
}

.btn-primary-event:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(45, 122, 62, 0.4);
}

.btn-secondary-event {
    background: var(--off-white);
    color: var(--dark-text);
}

.btn-secondary-event:hover {
    background: var(--light-blue);
    color: var(--secondary-blue);
}

.month-section {
    margin-bottom: 50px;
}

.month-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-green);
}

.month-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.month-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-text);
}

.month-count {
    background: var(--primary-green);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.no-events {
    text-align: center;
    padding: 80px 20px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.no-events i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 20px;
}

.no-events h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: var(--dark-text);
    margin-bottom: 10px;
}

.no-events p {
    color: var(--gray-text);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(45, 122, 62, 0.4);
}

.timeline-view .event-card {
    display: flex;
    flex-direction: row;
}

.timeline-view .event-card-header {
    flex: 0 0 200px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 30px;
}

.timeline-view .event-category-badge {
    margin-bottom: 10px;
}

.timeline-view .event-title {
    color: var(--white);
    font-size: 1.1rem;
}

.timeline-view .event-card-body {
    flex: 1;
    padding: 25px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .calendar-hero h1 {
        font-size: 2.5rem;
    }
    
    .events-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .calendar-stats {
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .calendar-hero {
        padding: 60px 20px;
    }
    
    .calendar-hero h1 {
        font-size: 2rem;
    }
    
    .calendar-hero .subtitle {
        font-size: 1rem;
    }
    
    .filters-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-view .event-card {
        flex-direction: column;
    }
    
    .timeline-view .event-card-header {
        flex: none;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .month-header {
        flex-wrap: wrap;
    }
    
    .month-name {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .calendar-hero h1 {
        font-size: 1.6rem;
    }
    
    .calendar-hero .year-badge {
        font-size: 1.2rem;
        padding: 8px 20px;
    }
    
    .month-btn {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
    
    .event-title {
        font-size: 1.1rem;
    }
    
    .event-actions {
        flex-direction: column;
    }
    
    .calendar-stats {
        gap: 15px;
    }
    
    .stat-item {
        flex: 0 0 45%;
    }
}

.loading-skeleton {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.event-card:nth-child(1) { animation-delay: 0.1s; }
.event-card:nth-child(2) { animation-delay: 0.2s; }
.event-card:nth-child(3) { animation-delay: 0.3s; }
.event-card:nth-child(4) { animation-delay: 0.4s; }
.event-card:nth-child(5) { animation-delay: 0.5s; }
.event-card:nth-child(6) { animation-delay: 0.6s; }
.event-card:nth-child(7) { animation-delay: 0.7s; }
.event-card:nth-child(8) { animation-delay: 0.8s; }
.event-card:nth-child(9) { animation-delay: 0.9s; }
.event-card:nth-child(10) { animation-delay: 1.0s; }