/* ========================================
   TimeTracker Calendar Styles
   ======================================== */

/* Calendar Container */
#calendar {
    min-height: 70vh;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
}

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

.calendar-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.calendar-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.calendar-assign,
.calendar-filter-project,
.calendar-filter-task,
.calendar-filter-tags {
    min-width: 200px;
    max-width: 280px;
}

/* FullCalendar Customization */
.fc-toolbar-title {
    font-weight: 600;
    font-size: 1.5rem !important;
    color: var(--text-primary);
}

.fc-event {
    cursor: pointer;
    border-radius: 4px;
    border-left-width: 4px !important;
    font-size: 0.85rem;
    padding: 2px 4px;
    transition: var(--transition);
}

.fc-event:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--card-shadow-hover);
}

.fc-event-time {
    font-weight: 600;
}

.fc-event-title {
    font-weight: 400;
}

/* Today button */
.fc-today-button {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.fc-today-button:hover {
    background-color: var(--primary-dark) !important;
}

/* Current time indicator */
.fc-timegrid-now-indicator-line {
    border-color: var(--danger-color);
    border-width: 2px;
}

.fc-timegrid-now-indicator-arrow {
    border-color: var(--danger-color);
}

/* Day cells */
.fc-day-today {
    background-color: var(--primary-50) !important;
}

.fc-day-past {
    background-color: var(--surface-variant);
}

/* Time grid */
.fc-timegrid-slot {
    height: 3em;
    border-color: var(--border-color);
}

.fc-timegrid-slot-minor {
    border-style: dotted;
    border-color: var(--border-light);
}

/* Header cells */
.fc-col-header-cell {
    padding: 0.75rem;
    font-weight: 600;
    background: var(--surface-variant);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.fc-col-header-cell-cushion {
    padding: 0.5rem;
    color: var(--text-primary);
}

/* Calendar base styles */
.fc {
    color: var(--text-primary);
}

.fc-theme-standard td,
.fc-theme-standard th {
    border-color: var(--border-color);
}

.fc-theme-standard .fc-scrollgrid {
    border-color: var(--border-color);
}

.fc .fc-daygrid-day-number {
    color: var(--text-primary);
}

.fc .fc-timegrid-slot-label {
    color: var(--text-secondary);
}

/* Event Modal Styles */
.event-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s ease;
}

.event-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

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

.event-modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.event-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.event-modal-close:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.event-modal-body {
    padding: 1.5rem;
}

.event-modal-footer {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--surface-variant);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Event Detail View */
.event-detail {
    display: grid;
    gap: 1rem;
}

.event-detail-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1rem;
    align-items: start;
}

.event-detail-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding-top: 0.5rem;
}

.event-detail-value {
    color: var(--text-primary);
    padding: 0.5rem;
    background: var(--surface-variant);
    border-radius: var(--border-radius-sm);
    min-height: 36px;
}

.event-detail-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.event-detail-badge.billable {
    background-color: var(--success-light);
    color: var(--success-color);
}

.event-detail-badge.non-billable {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

/* Recurring Events Modal */
.recurring-list {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 1rem;
}

.recurring-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.75rem;
    background: var(--card-bg);
    cursor: default;
}

.recurring-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.recurring-item-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.recurring-item-status {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-xs);
    font-size: 0.75rem;
    font-weight: 600;
}

.recurring-item-status.active {
    background-color: var(--success-light);
    color: var(--success-color);
}

.recurring-item-status.inactive {
    background-color: var(--surface-variant);
    color: var(--text-muted);
}

.recurring-item-details {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.recurring-item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* Legend */
.calendar-legend {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.75rem;
    background: var(--surface-variant);
    border-radius: var(--border-radius);
    margin-top: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

/* Agenda View */
.agenda-view {
    display: none;
}

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

.agenda-date-group {
    margin-bottom: 2rem;
}

.agenda-date-header {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1rem;
}

.agenda-event {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-left: 4px solid;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 0.75rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    cursor: pointer;
}

.agenda-event:hover {
    transform: translateX(4px);
    box-shadow: var(--card-shadow-hover);
}

.agenda-event-time {
    min-width: 100px;
    font-weight: 600;
    color: var(--text-secondary);
}

.agenda-event-details {
    flex: 1;
}

.agenda-event-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.agenda-event-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Loading State */
.calendar-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
}

.calendar-loading.show {
    display: block;
}

.calendar-spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 1s linear infinite;
}

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

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .calendar-header {
        flex-direction: column;
        align-items: stretch;
    }

    .calendar-controls,
    .calendar-filters {
        flex-direction: column;
        width: 100%;
    }

    .calendar-assign,
    .calendar-filter-project,
    .calendar-filter-task,
    .calendar-filter-tags {
        width: 100%;
        max-width: 100%;
    }

    .event-modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .event-detail-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .event-detail-label {
        padding-top: 0;
    }

    .fc-toolbar {
        flex-direction: column;
        gap: 0.5rem;
    }

    .fc-toolbar-chunk {
        width: 100%;
        text-align: center;
    }
}

/* Dark mode specific styles */
[data-theme="dark"] #calendar {
    background: var(--card-bg);
}

[data-theme="dark"] .fc-col-header-cell {
    background: var(--surface-variant);
    color: var(--text-primary);
}

[data-theme="dark"] .fc-day-today {
    background-color: rgba(96, 165, 250, 0.1) !important;
}

[data-theme="dark"] .event-modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .event-modal-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .event-modal-header h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .event-modal-footer {
    background-color: var(--surface-variant);
    border-top-color: var(--border-color);
}

[data-theme="dark"] .event-detail-value {
    background: var(--surface-variant);
    color: var(--text-primary);
}

[data-theme="dark"] .recurring-item {
    border-color: var(--border-color);
    background: var(--card-bg);
}

[data-theme="dark"] .calendar-legend {
    background: var(--surface-variant);
}

[data-theme="dark"] .agenda-event {
    background: var(--card-bg);
}

[data-theme="dark"] .agenda-date-header,
[data-theme="dark"] .agenda-event-title {
    color: var(--text-primary);
}

[data-theme="dark"] .fc .fc-button-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .fc .fc-button-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

[data-theme="dark"] .fc .fc-button-primary:disabled {
    background-color: var(--text-muted);
    border-color: var(--text-muted);
}

/* Print styles */
@media print {
    .calendar-header,
    .calendar-controls,
    .event-modal {
        display: none !important;
    }

    #calendar {
        min-height: auto;
    }

    .fc-event {
        break-inside: avoid;
    }
}