/* Calendar Page Styles */
.calendar-page {
    padding: 2rem 0;
}

.page-header {
    margin-bottom: 2rem;
}

.header-content {
    text-align: center;
}

.page-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.page-title i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.page-subtitle p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin: 0;
}

/* Calendar Filters */
.calendar-filters-section {
    margin-bottom: 2rem;
}

.filter-header {
    margin-bottom: 1.5rem;
}

.filter-header h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.filter-header i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.filter-controls {
    display: flex;
    gap: 2rem;
    align-items: end;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.filter-actions {
    display: flex;
    gap: 1rem;
}

/* Calendar Legend */
.calendar-legend {
    margin-bottom: 2rem;
}

.legend-header {
    margin-bottom: 1.5rem;
}

.legend-header h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.legend-header i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.legend-items {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-block;
}

.legend-label {
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Calendar Container */
.calendar-container {
    margin-bottom: 2rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: scale(1.05);
}

.period-selector {
    position: relative;
}

.period-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-color);
    text-decoration: none;
}

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

.period-btn h4 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.period-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    min-width: 300px;
}

.period-selector-content {
    padding: 1.5rem;
}

.period-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.period-header h6 {
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.year-selector {
    margin-bottom: 1.5rem;
}

.year-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.year-input-wrapper {
    flex: 1;
}

.year-input-wrapper input {
    text-align: center;
    font-weight: 600;
}

.month-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.month-item {
    padding: 0.75rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.month-item:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.month-item.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.calendar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.view-buttons {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.view-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* Calendar Body */
.calendar-body {
    position: relative;
    min-height: 600px;
}

.dt-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.dt-loader.hide {
    display: none;
}

.calendar-view {
    display: none;
}

.calendar-view.active {
    display: block;
}

/* Month View */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background-color: var(--border-color);
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}

.weekday {
    background-color: var(--bg-color);
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background-color: var(--border-color);
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

.calendar-day {
    background-color: var(--bg-color);
    min-height: 120px;
    padding: 0.5rem;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calendar-day:hover:not(.other-month) {
    background-color: color-mix(in srgb, var(--accent-color) 10%, transparent);
    transform: scale(1.02);
}

.calendar-day.clickable {
    position: relative;
}

.calendar-day.clickable::after {
    content: '+';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.calendar-day.clickable:hover::after {
    opacity: 1;
}

.calendar-day.other-month {
    background-color: var(--bg-muted);
    color: var(--text-muted);
    cursor: default;
}

.calendar-day.today {
    background-color: color-mix(in srgb, var(--accent-color) 15%, transparent);
    font-weight: 600;
}

.day-number {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.day-events {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.event-item {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background-color: rgba(255, 255, 255, 0.8);
    border-left: 3px solid;
}

.event-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
}

.event-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Week View */
.week-timeline {
    display: grid;
    grid-template-columns: 100px repeat(7, 1fr);
    gap: 1px;
    background-color: var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.week-header {
    background-color: var(--bg-color);
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

.week-day {
    background-color: var(--bg-color);
    min-height: 100px;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.week-day-events {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Day View */
.day-timeline {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1px;
    background-color: var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.hour-slot {
    background-color: var(--bg-color);
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hour-events {
    background-color: var(--bg-color);
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    min-height: 60px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: block;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 500px;
}

.modal-content {
    position: relative;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .calendar-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .calendar-nav {
        justify-content: center;
    }
    
    .calendar-actions {
        justify-content: center;
    }
    
    .filter-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .legend-items {
        justify-content: center;
    }
    
    .calendar-day {
        min-height: 80px;
        padding: 0.25rem;
    }
    
    .event-item {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
    
    .week-timeline {
        grid-template-columns: 80px repeat(7, 1fr);
    }
    
    .day-timeline {
        grid-template-columns: 80px 1fr;
    }
}

@media (max-width: 480px) {
    .page-title h1 {
        font-size: 2rem;
    }
    
    .calendar-day {
        min-height: 60px;
    }
    
    .week-timeline {
        grid-template-columns: 60px repeat(7, 1fr);
    }
    
    .day-timeline {
        grid-template-columns: 60px 1fr;
    }
}