/* ── Outlook-style layout; colors track Tasks / FAST theme tokens ───── */
.calendar-outlook-skin {
    --cal-surface: var(--bg-card);
    --cal-header-bg: var(--bg-surface);
    --cal-cell: var(--bg-card);
    --cal-cell-hover: var(--bg-slate);
    --cal-cell-other: var(--bg-slate);
    --cal-grid-line: var(--border-light);
    --cal-text: var(--text-primary);
    --cal-text-secondary: var(--text-secondary);
    --cal-text-muted: var(--text-muted);
    --cal-today-bg: rgba(var(--accent-primary-rgb), 0.1);
    --cal-today-bar: var(--accent-primary);
    --cal-accent: var(--accent-primary);
    --cal-event-bg: var(--bg-surface);
    --cal-event-border: var(--border-light);
    --cal-shadow: var(--shadow-md, var(--shadow-sm));
    font-family: var(--font-sans);
}

html.theme-dark .calendar-outlook-skin {
    --cal-surface: var(--bg-card);
    --cal-header-bg: var(--bg-surface);
    --cal-cell: var(--bg-card);
    --cal-cell-hover: var(--bg-surface);
    --cal-cell-other: var(--bg-slate);
    --cal-grid-line: var(--border-light);
    --cal-text: var(--text-primary);
    --cal-text-secondary: var(--text-secondary);
    --cal-text-muted: var(--text-muted);
    --cal-today-bg: rgba(var(--accent-primary-rgb), 0.14);
    --cal-today-bar: var(--accent-primary);
    --cal-accent: var(--accent-primary);
    --cal-event-bg: var(--bg-surface);
    --cal-event-border: var(--border-light);
    --cal-shadow: var(--shadow-md);
}

.calendar-outlook-page-header {
    font-family: var(--font-sans);
}

.calendar-outlook-page-title {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text-primary);
}

.calendar-outlook-page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

.calendar-outlook-filters {
    gap: 0.35rem;
}

.calendar-outlook-skin .calendar-outlook-select {
    background: var(--cal-header-bg);
    border: 1px solid var(--cal-grid-line);
    border-radius: 4px;
    color: var(--cal-text);
    font-weight: 600;
}

.calendar-outlook-skin .calendar-outlook-select option {
    color: var(--text-primary);
    background: var(--bg-card);
}

.calendar-outlook-skin .calendar-outlook-nav {
    background: var(--cal-header-bg);
    border: 1px solid var(--cal-grid-line);
    border-radius: 4px;
    gap: 0;
    padding: 0;
}

.calendar-outlook-skin .calendar-outlook-nav .nav-arrow-btn {
    border-radius: 0;
    width: 34px;
    height: 30px;
    color: var(--cal-text);
    border-color: transparent;
}

.calendar-outlook-skin .calendar-outlook-nav .nav-arrow-btn:hover {
    background: var(--cal-cell-hover);
    color: var(--cal-text);
}

.calendar-outlook-skin .calendar-outlook-today-btn {
    border-radius: 0;
    height: 30px;
    min-height: 30px;
    padding: 0 0.85rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border: none;
    border-left: 1px solid var(--cal-grid-line);
    border-right: 1px solid var(--cal-grid-line);
    background: var(--cal-header-bg);
    color: var(--cal-accent);
}

.calendar-outlook-skin .calendar-outlook-today-btn:hover {
    background: var(--cal-cell-hover);
    color: var(--cal-accent);
}

.calendar-view {
    background: var(--cal-surface);
    border-radius: 2px;
    border: 1px solid var(--cal-grid-line);
    overflow: hidden;
    box-shadow: var(--cal-shadow);
}

.calendar-month {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--cal-grid-line);
    gap: 1px;
    border: none;
    border-radius: 0;
    overflow: hidden;
}

.calendar-day-header {
    background: var(--cal-header-bg);
    padding: 0.5rem 0.35rem;
    text-align: center;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--cal-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.calendar-day {
    background: var(--cal-cell);
    min-height: 112px;
    padding: 0.45rem 0.5rem 0.5rem;
    transition: background 0.12s ease;
    position: relative;
    border: none;
}

.calendar-day:hover {
    background: var(--cal-cell-hover);
}

.calendar-day.other-month {
    background: var(--cal-cell-other);
}

.calendar-day.today {
    background: var(--cal-today-bg);
    box-shadow: inset 3px 0 0 0 var(--cal-today-bar);
}

.calendar-day.today .calendar-day-number {
    background: transparent;
    color: var(--cal-today-bar);
    width: auto;
    height: auto;
    border-radius: 0;
    display: inline-block;
    font-weight: 700;
    padding: 0;
}

.calendar-day-number {
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--cal-text-secondary);
    display: inline-block;
    line-height: 1.2;
}

.calendar-day:not(.other-month) .calendar-day-number {
    color: var(--cal-text);
}

.calendar-day.other-month .calendar-day-number {
    color: var(--cal-text-muted);
    font-weight: 500;
}

.calendar-day.today:not(.other-month) .calendar-day-number {
    color: var(--cal-today-bar);
}

.calendar-task-item {
    font-size: 0.6875rem;
    padding: 0.22rem 0.45rem 0.22rem 0.5rem;
    margin-bottom: 0.22rem;
    background: var(--cal-event-bg);
    border: 1px solid var(--cal-event-border);
    border-left: 3px solid var(--cal-accent);
    color: var(--cal-text);
    border-radius: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    transition: border-color 0.12s ease, background 0.12s ease;
    font-weight: 600;
    position: relative;
}

.calendar-task-item.status-done {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.25);
    border-left-color: #107c10;
    color: #107c10;
    opacity: 0.95;
}

.calendar-task-item:hover {
    border-color: var(--cal-accent);
    background: var(--cal-cell-hover);
}

/* Weekly View */
.calendar-week-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--bg-sidebar);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    min-height: 600px;
}

.week-column {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-light);
    min-width: 0;
    /* Prevent overflow */
}

.week-column:last-child {
    border-right: none;
}

.week-header {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-surface);
}

.week-header.today {
    background: rgba(148, 163, 184, 0.05);
}

.week-header.today .week-date {
    background: var(--accent-active);
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto;
}

.week-day-name {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.week-date {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.week-body {
    flex: 1;
    padding: 0.5rem;
    background: transparent;
    transition: background 0.2s;
}

.week-body.drag-over,
.calendar-day.drag-over {
    background: rgba(16, 185, 129, 0.1) !important;
}

/* Task Cards in Weekly View */
.calendar-task-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: grab;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.calendar-task-card.status-done {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    cursor: default;
}

.calendar-task-card.status-done:hover {
    transform: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border-color: rgba(16, 185, 129, 0.5);
}

.calendar-task-card.status-done .task-title {
    color: #10b981;
}

.calendar-task-card:hover {
    border-color: var(--accent-active);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.calendar-task-card.dragging,
.calendar-task-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.task-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.task-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.task-assignee {
    background: var(--bg-glass);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Priorities */
.priority-high {
    border-left: 3px solid #ef4444;
}

.priority-medium {
    border-left: 3px solid #f59e0b;
}

.priority-low {
    border-left: 3px solid #10b981;
}

.priority-urgent {
    border-left: 3px solid #7f1d1d;
}

/* Weekly grid: match Outlook neutrals when used inside calendar skin */
.calendar-outlook-skin .calendar-week-grid {
    background: var(--cal-grid-line);
    border-color: var(--cal-grid-line);
    border-radius: 2px;
    box-shadow: var(--cal-shadow);
}

.calendar-outlook-skin .week-header {
    background: var(--cal-header-bg);
    border-bottom-color: var(--cal-grid-line);
}

.calendar-outlook-skin .week-column {
    border-right-color: var(--cal-grid-line);
}

.calendar-outlook-skin .week-header.today {
    background: var(--cal-today-bg);
    box-shadow: inset 0 3px 0 0 var(--cal-today-bar);
}

.calendar-outlook-skin .week-header.today .week-date {
    background: transparent;
    color: var(--cal-today-bar);
    width: auto;
    height: auto;
    border-radius: 0;
    font-weight: 700;
}

.calendar-outlook-skin .week-day-name {
    color: var(--cal-text-secondary);
}

.calendar-outlook-skin .week-date {
    color: var(--cal-text);
}