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

.calendar-wrapper {
    flex: 1;
    overflow: auto;
    padding: 1rem;
}

.calendar-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: fit-content;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* ============================================
   Calendar Header (Dates Row)
   ============================================ */

.calendar-header {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.calendar-header-user {
    width: 180px;
    min-width: 180px;
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-right: 1px solid var(--border-color);
    position: sticky;
    left: 0;
    background: var(--bg-tertiary);
    z-index: 11;
}

.calendar-dates {
    display: flex;
    flex: 1;
}

.calendar-month-group {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.calendar-month-label {
    padding: 0.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    background: var(--bg-hover);
    color: var(--accent-primary);
}

.calendar-days {
    display: flex;
    flex: 1;
}

.calendar-day-header {
    width: 36px;
    min-width: 36px;
    flex: 1;
    padding: 0.5rem 0;
    text-align: center;
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-day-header:last-child {
    border-right: none;
}

.day-name {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
}

.day-number {
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.calendar-day-header.weekend {
    background: var(--weekend-bg);
}

.calendar-day-header.weekend .day-name,
.calendar-day-header.weekend .day-number {
    color: var(--text-muted);
}

.calendar-day-header.today {
    background: var(--today-bg);
}

.calendar-day-header.today .day-number {
    color: var(--accent-primary);
    font-weight: 700;
}

.calendar-day-header.holiday {
    background: rgba(255, 107, 107, 0.1);
}

.calendar-day-header.holiday .day-name,
.calendar-day-header.holiday .day-number {
    color: var(--color-holiday);
}

/* ============================================
   Calendar Body (User Rows)
   ============================================ */

.calendar-body {
    display: flex;
    flex-direction: column;
}

.calendar-row {
    display: flex;
    border-bottom: 1px solid var(--border-light);
    min-height: 44px;
}

.calendar-row:last-child {
    border-bottom: none;
}

.calendar-row:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Team Divider Row */
.calendar-row.team-divider {
    background: var(--bg-tertiary);
    min-height: 32px;
}

.calendar-row.team-divider .calendar-user {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 0.85rem;
}

/* User Cell (First Column) */
.calendar-user {
    width: 180px;
    min-width: 180px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-right: 1px solid var(--border-color);
    position: sticky;
    left: 0;
    background: var(--bg-secondary);
    z-index: 5;
    font-size: 0.85rem;
}

.calendar-row:hover .calendar-user {
    background: rgba(255, 255, 255, 0.02);
}

.user-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.user-name-cell {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Day Cells */
.calendar-cells {
    display: flex;
    flex: 1;
    position: relative;
}

.calendar-cell {
    width: 36px;
    min-width: 36px;
    flex: 1;
    height: 100%;
    min-height: 44px;
    border-right: 1px solid var(--border-light);
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.calendar-cell:last-child {
    border-right: none;
}

.calendar-cell:hover {
    background: rgba(88, 166, 255, 0.1);
}

.calendar-cell.weekend {
    background: var(--weekend-bg);
}

.calendar-cell.today {
    background: var(--today-bg);
    box-shadow: inset 0 0 0 1px var(--today-border);
}

.calendar-cell.holiday {
    background: rgba(255, 107, 107, 0.08);
}

.calendar-cell.school-break {
    background: rgba(255, 217, 61, 0.05);
}

/* ============================================
   Absence Bars
   ============================================ */

.absence-bar {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding: 0 6px;
    font-size: 0.7rem;
    font-weight: 500;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.absence-bar:hover {
    transform: translateY(-50%) scale(1.02);
    z-index: 3;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.absence-bar.type-vacation {
    background: linear-gradient(135deg, var(--color-vacation), #79b8ff);
}

.absence-bar.type-training {
    background: linear-gradient(135deg, var(--color-training), #c297ff);
}

.absence-bar.type-school {
    background: linear-gradient(135deg, var(--color-school), #ffab70);
}

.absence-bar.type-flex {
    background: linear-gradient(135deg, var(--color-flex), #56d364);
}

.absence-bar.type-event {
    background: linear-gradient(135deg, var(--color-event), #ff80c8);
}

.absence-bar.type-sick {
    background: linear-gradient(135deg, var(--color-sick), #ff7b72);
}

/* User-colored absence bar */
.absence-bar.user-colored {
    background: var(--user-color);
}

.absence-bar .absence-type-icon {
    margin-right: 4px;
    font-size: 0.75rem;
}

.absence-bar .absence-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Holiday/School Break Markers
   ============================================ */

.holiday-marker {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-holiday);
}

.school-break-marker {
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 3px;
    background: var(--color-school-break);
    opacity: 0.5;
}

/* ============================================
   Week Numbers (Optional)
   ============================================ */

.week-number {
    position: absolute;
    top: 0;
    left: 0;
    padding: 1px 3px;
    background: var(--bg-hover);
    font-size: 0.6rem;
    color: var(--text-muted);
    border-radius: 0 0 3px 0;
}

/* ============================================
   Weekend Separator (nach Freitag)
   ============================================ */

.calendar-day-header.week-end,
.calendar-cell.week-end {
    border-right: 2px solid var(--color-weekend-separator, var(--accent-primary)) !important;
}

/* ============================================
   Tooltip for Absence Details
   ============================================ */

.absence-tooltip {
    position: fixed;
    z-index: 1000;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    pointer-events: none;
    max-width: 250px;
}

.absence-tooltip h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.absence-tooltip p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.absence-tooltip .tooltip-dates {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
    margin-top: 0.5rem;
}

/* ============================================
   Empty State
   ============================================ */

.calendar-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
    color: var(--text-muted);
}

.calendar-empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.calendar-empty h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.calendar-empty p {
    font-size: 0.9rem;
}