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

:root {
    --calendar-cell-min-height: 100px;
    --calendar-avail-bg: color-mix(in srgb, var(--color-success) 8%, transparent);
    --calendar-today-ring: var(--brand-primary);
}

/* Calendar page transitions (content only, nav stays fixed) */
@keyframes calendar-enter-up {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes calendar-enter-left {
    from { opacity: 0; transform: translateX(12px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes calendar-enter-right {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}

.calendar-container {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.calendar-content {
    animation: calendar-enter-up 0.12s ease-out;
}

/* Directional enter (set by JS from sessionStorage) */
.calendar-enter-from-left  { animation: calendar-enter-left  0.12s ease-out; }
.calendar-enter-from-right { animation: calendar-enter-right 0.12s ease-out; }

/* Directional leave */
.calendar-leaving-up {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.08s ease-in, transform 0.08s ease-in;
}
.calendar-leaving-left {
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.08s ease-in, transform 0.08s ease-in;
}
.calendar-leaving-right {
    opacity: 0;
    transform: translateX(12px);
    transition: opacity 0.08s ease-in, transform 0.08s ease-in;
}

/* Share button — far left of header, matches sidebar-org-toggle size */
.calendar-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-light);
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    position: relative;
    z-index: 1;
}

.calendar-share-btn:hover {
    background: var(--brand-primary);
    color: #ffffff;
    border-color: var(--brand-primary);
}

.calendar-share-btn:focus-visible {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 2px;
}

/* Navigation */
.calendar-nav {
    --calendar-ctrl-h: 28px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.calendar-nav-controls {
    display: flex;
    gap: 0.25rem;
}

.calendar-nav-selects {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* Uniform height for every control in the nav bar */
.calendar-nav .header-btn,
.calendar-nav .form-select {
    height: var(--calendar-ctrl-h);
    min-height: var(--calendar-ctrl-h);
    max-height: var(--calendar-ctrl-h);
    box-sizing: border-box;
    font-size: 0.8125rem;
    line-height: 1;
    padding-top: 0;
    padding-bottom: 0;
}

.calendar-nav-views {
    display: flex;
    gap: 0.25rem;
    margin-left: auto;
}

.calendar-month-select {
    width: auto;
    min-width: 8rem;
}

.calendar-year-select {
    width: auto;
    min-width: 5.5rem;
}

/* Month grid */
.calendar-month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day-headers {
    border-bottom: 1px solid var(--color-border);
}

.calendar-day-header {
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

.calendar-day-cell {
    display: flex;
    flex-direction: column;
    height: var(--calendar-cell-min-height);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 0.25rem;
    position: relative;
    overflow: hidden;
}

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

/* Other month days: grid structure preserved, content dimmed */
.calendar-other-month {
    background: var(--color-page-bg);
}

.calendar-other-month .calendar-day-number {
    color: var(--color-border);
}

/* Unavailable day marker (diagonal red line through the day number) */
.calendar-day-unavailable {
    position: relative;
    color: var(--color-text-light);
}

.calendar-day-unavailable::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 15%;
    width: 70%;
    height: 1.5px;
    background: var(--color-error);
    transform: rotate(-45deg);
    border-radius: 1px;
    pointer-events: none;
    opacity: 0.6;
}

.calendar-day-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 50%;
    margin-bottom: 0.125rem;
}

.calendar-today-ring {
    background: var(--calendar-today-ring);
    color: #fff;
    font-weight: 600;
}

/* Exception indicator (in month cell) */
.calendar-exception-indicator {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    font-size: 0.6875rem;
    color: var(--color-error);
    line-height: 1;
}

.calendar-exception-indicator .bi-plus-circle-fill {
    color: var(--color-success);
}

/* Event chips */
.calendar-day-events {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.calendar-event-chip {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 0 3px;
    font-size: 0.5625rem;
    line-height: 1.6;
    border-radius: 2px;
    color: var(--color-text);
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.calendar-event-chip:hover {
    background: rgba(0, 0, 0, 0.06);
    text-decoration: none;
    color: inherit;
}


.calendar-chip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--brand-primary);
}

.calendar-chip-text {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Hover-scroll containers (month day cells + week assignments) */
.calendar-day-scroll-container,
.calendar-week-scroll-container {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.calendar-day-scroll-container .calendar-day-events {
    overflow: hidden auto;
    scrollbar-width: none;
    flex: 1;
}

.calendar-day-scroll-container .calendar-day-events::-webkit-scrollbar {
    display: none;
}

.calendar-week-scroll-container .calendar-week-assignments {
    max-height: 280px;
    overflow: hidden auto;
    scrollbar-width: none;
}

.calendar-week-scroll-container .calendar-week-assignments::-webkit-scrollbar {
    display: none;
}

/* Scroll arrows */
.cal-scroll-arrow {
    position: absolute;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    z-index: 2;
    font-size: 0.625rem;
    color: var(--color-text-light);
    cursor: pointer;
    user-select: none;
}

.cal-scroll-arrow:hover {
    opacity: 1;
}

.cal-scroll-arrow-up {
    top: 0;
}

.cal-scroll-arrow-down {
    bottom: 0;
}

/* Month arrows */
.calendar-day-scroll-container .cal-scroll-arrow {
    height: 14px;
}

.calendar-day-scroll-container .cal-scroll-arrow-up {
    background: linear-gradient(to bottom, var(--color-card-bg) 60%, transparent);
}

.calendar-day-scroll-container .cal-scroll-arrow-down {
    background: linear-gradient(to top, var(--color-card-bg) 60%, transparent);
}

/* Other-month cells use page-bg instead */
.calendar-other-month .cal-scroll-arrow-up {
    background: linear-gradient(to bottom, var(--color-page-bg) 60%, transparent);
}

.calendar-other-month .cal-scroll-arrow-down {
    background: linear-gradient(to top, var(--color-page-bg) 60%, transparent);
}

/* Week arrows */
.calendar-week-scroll-container .cal-scroll-arrow {
    height: 16px;
}

.calendar-week-scroll-container .cal-scroll-arrow-up {
    background: linear-gradient(to bottom, var(--color-card-bg) 60%, transparent);
}

.calendar-week-scroll-container .cal-scroll-arrow-down {
    background: linear-gradient(to top, var(--color-card-bg) 60%, transparent);
}

/* Timeslot event booking styling (Sprint 7.21) */
.calendar-event-booking {
    background: rgba(20, 184, 166, 0.08);
}
.calendar-event-booking:hover {
    background: rgba(20, 184, 166, 0.15);
}

/* Week agenda view */
.calendar-week-view {
    display: flex;
    flex-direction: column;
}

.calendar-week-day {
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 1rem;
}

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

.calendar-week-day-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.calendar-week-day-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.calendar-week-day-date {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Availability summary in week view */
.calendar-avail-summary {
    font-size: 0.8125rem;
    color: var(--color-success);
    margin-bottom: 0.375rem;
}

/* Exception notice in week view */
.calendar-exception-notice {
    font-size: 0.8125rem;
    margin-bottom: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.calendar-exception-unavailable {
    color: var(--color-error);
}

.calendar-exception-available {
    color: var(--color-success);
}

/* Assignment items in week view */
.calendar-week-assignments {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.calendar-week-assignment {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-left: 3px solid var(--brand-primary);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.03);
    text-decoration: none;
    color: inherit;
    gap: 1rem;
}

.calendar-week-assignment:hover {
    background: rgba(0, 0, 0, 0.06);
    text-decoration: none;
    color: inherit;
}

.calendar-week-assignment-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.calendar-week-assignment-title {
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-week-assignment-role {
    font-size: 0.8125rem;
}

.calendar-week-assignment-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex-shrink: 0;
    font-size: 0.8125rem;
}

.calendar-week-assignment-time {
    white-space: nowrap;
}

.calendar-week-assignment-org {
    font-size: 0.75rem;
}

/* Unfilled org role — dimmed on week view cards only */
.calendar-week-assignment.calendar-event-unfilled {
    opacity: 0.65;
}

.calendar-week-assignment-worker {
    font-size: 0.75rem;
}

.calendar-week-assignment-unfilled {
    font-size: 0.75rem;
    font-weight: 600;
}

.calendar-week-empty {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    padding: 0.25rem 0;
}

/* Responsive: smaller screens */
@media (max-width: 767.98px) {
    .calendar-nav {
        --calendar-ctrl-h: 44px;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .calendar-day-cell {
        height: 44px;
        padding: 0.125rem;
    }

    .calendar-day-number {
        width: 1.375rem;
        height: 1.375rem;
        font-size: 0.6875rem;
    }

    .calendar-chip-text {
        display: none;
    }

    .calendar-chip-dot {
        display: none;
    }

    .calendar-event-chip {
        width: 8px;
        height: 8px;
        padding: 0;
        border-radius: 50%;
        display: inline-block;
        background: var(--brand-primary);
    }

    .calendar-day-events {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2px;
    }

    .cal-scroll-arrow {
        display: none;
    }

    .calendar-day-scroll-container .calendar-day-events {
        overflow: visible;
    }

    .calendar-nav-selects {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .calendar-week-assignment {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .calendar-week-assignment-meta {
        align-items: flex-start;
        flex-direction: row;
        gap: 0.75rem;
    }

}

/* Print styles */
@media print {
    .sidebar, .app-header, .calendar-nav,
    .calendar-week-empty { display: none !important; }
    .calendar-container { border: none; box-shadow: none; }
    .calendar-chip-text { display: inline !important; }
    .calendar-event-chip { background: none; }
    .calendar-chip-dot { background: #333 !important; }
    .calendar-today-ring { background: none; border: 2px solid #333; }
    .calendar-content { animation: none !important; }
    .app-content { padding: 0 !important; }
    .cal-scroll-arrow { display: none !important; }
    .calendar-day-cell { height: auto !important; }
    .calendar-day-scroll-container .calendar-day-events,
    .calendar-week-scroll-container .calendar-week-assignments {
        overflow: visible !important;
        max-height: none !important;
    }
}