:root {
    --calendar-cell-min-height: 100px;
    --calendar-avail-bg: color-mix(in srgb, var(--color-success) 8%, transparent);
    --calendar-today-ring: var(--color-action);
    /* Faint wash behind today's cell so the eye lands on it without hunting;
       pairs with the filled today-ring on the day number. Kept low (6%) so it
       reads as emphasis, not a selection. */
    --calendar-today-bg: color-mix(in srgb, var(--color-action) 6%, transparent);
}

/* 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-card);
    box-shadow: var(--shadow-sm);
    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; }

.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;
}

/* Navigation — the view/filter tabs (Events/Tasks split-buttons + Month/Week
   toggles) are x-teleport'd out of the page body into the app header's far-left
   slot (#calendar-header-tabs), sharing the dark bar with the date nav on the
   right. The controls keep the standard .global-header-btn treatment the header already
   supplies (28px height + white-on-dark palette), so the old in-body .calendar-nav
   bar, its uniform-height override, and the date-nav controls are all gone — only
   the bespoke filter chevron (not a .global-header-btn) needs header overrides, below. */
.calendar-header-tabs {
    --calendar-ctrl-h: 28px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.calendar-nav-views {
    display: flex;
    gap: var(--spacing-xs);
}

.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: var(--spacing-sm);
    text-align: center;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    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: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

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

/* Today: faint wash so the current day stands out at a glance. Today is always
   a current-month cell, so this never collides with .calendar-other-month. */
.calendar-today {
    background: var(--calendar-today-bg);
}

.calendar-other-month {
    background: var(--color-page-bg);
}

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

.calendar-day-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 50%;
    margin-bottom: var(--spacing-2xs);
}

.calendar-today-ring {
    background: var(--calendar-today-ring);
    color: var(--color-neutral-ink-fg);
    font-weight: var(--font-weight-medium);
}

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

.calendar-event-chip {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xs);
    padding: 0 var(--spacing-2xs);
    font-size: var(--font-size-2xs);
    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(--color-action);
}

.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;
}

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

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

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

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

.calendar-day-scroll-container .calendar-scroll-arrow {
    height: 14px;
}

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

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

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

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

.calendar-week-scroll-container .calendar-scroll-arrow {
    height: 16px;
}

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

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

/* Timeslot event booking styling (Sprint 7.21) — a faint ink wash with ink
   text, so a booking reads as "ours" at a glance. The tint is light enough
   that the label keeps ample contrast. */
.calendar-event-booking {
    background: color-mix(in srgb, var(--color-action) 12%, white);
    color: var(--color-action);
}
.calendar-event-booking:hover {
    background: color-mix(in srgb, var(--color-action) 20%, white);
    color: var(--color-action);
}

/* Due-date chip fill — a faint wash of the due-date gold (was a solid inline
   fill in the grid template), matching the booking chip's tint language. Text
   stays the default ink for contrast on the light wash; the overdue red stripe
   and unfilled amber stripe below still overlay unchanged. */
.calendar-due {
    background: color-mix(in srgb, var(--due-date-color) 12%, white);
}

.calendar-week-view {
    display: flex;
    flex-direction: column;
}

.calendar-week-day {
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-smd) var(--spacing-md);
}

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

.calendar-week-day-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.calendar-week-day-name {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
}

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

.calendar-avail-summary {
    font-size: var(--font-size-sm);
    color: var(--color-success);
    margin-bottom: var(--spacing-xsm);
}

.calendar-exception-notice {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xsm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xsm);
}

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

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

.calendar-week-assignments {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xsm);
}

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

.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: var(--font-size-md);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-week-assignment-role {
    font-size: var(--font-size-sm);
}

.calendar-week-assignment-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
}

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

.calendar-week-assignment-org {
    font-size: var(--font-size-xs);
}

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

.calendar-week-assignment-worker {
    font-size: var(--font-size-xs);
}

.calendar-week-assignment-unfilled {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

/* Today in week view — same faint wash as the month cell for consistency. */
.calendar-week-today {
    background: var(--calendar-today-bg);
}

@media (max-width: 767.98px) {
    .calendar-day-cell {
        height: 44px;
        padding: var(--spacing-2xs);
    }

    .calendar-day-number {
        width: 1.375rem;
        height: 1.375rem;
        font-size: var(--font-size-2xs);
    }

    .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(--color-action);
        /* The status stripe is meaningless on a collapsed dot — drop it so it
           doesn't render as a sliver arc. */
        box-shadow: none;
        font-weight: inherit;
    }

    .calendar-day-events {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-2xs);
    }

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

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

    .calendar-week-assignment {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .calendar-week-assignment-meta {
        align-items: flex-start;
        flex-direction: row;
        gap: var(--spacing-smd);
    }

    /* Due chips collapse to a solid gold dot (not the light desktop wash, which
       would read as near-white at 8px) so a deadline still stands apart from an
       event dot on a phone. */
    .calendar-event-chip.calendar-due {
        background: var(--due-date-color);
    }

}

.calendar-due.is-done {
    text-decoration: line-through;
    opacity: 0.6;
}

/* Status stripes — a 3px inset left stripe encodes an item's state so an
   at-risk item reads at a glance without opening it, matching kanban's
   left-stripe language. Painted as an inset box-shadow (not a border) so it
   overlays the due chip's solid fill without insetting it and never shifts the
   chip's layout box. Overdue also gets bold text as a colorblind-safe second
   cue (kanban pairs its stripe with a fire icon for the same reason). */
.calendar-due.is-overdue {
    box-shadow: inset 3px 0 0 0 var(--color-error);
    font-weight: var(--font-weight-medium);
}

/* Unfilled org role = at-risk staffing; warn without demanding as much
   attention as an overdue deliverable. */
.calendar-event-chip.calendar-event-unfilled {
    box-shadow: inset 3px 0 0 0 var(--color-warning);
}

/* ---- Detail popover (feature B) ------------------------------------------
   A single shared, fixed-positioned card opened from a month chip so a
   coordinator can read a booking/deliverable's client, time, workers and state
   without leaving the calendar. Fixed positioning + a high z-index keep it
   above the app header, saved-view tabs, and filter dropdowns while escaping
   the day-cell overflow:hidden clip. */
.calendar-popover {
    position: fixed;
    z-index: 300;
    width: 260px;
    max-width: calc(100vw - 16px);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    padding: var(--spacing-smd) var(--spacing-smd) var(--spacing-smd);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.calendar-popover__close {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.375rem;
    height: 1.375rem;
    border: none;
    background: none;
    color: var(--color-text-light);
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    line-height: 1;
}

.calendar-popover__close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-text);
}

.calendar-popover__head {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-right: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.calendar-popover__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
}

.calendar-popover__title {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-popover__status {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    padding: 0.075rem var(--spacing-sm);
    border-radius: 999px;
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.calendar-popover__status--error {
    background: color-mix(in srgb, var(--color-error) 14%, transparent);
    color: var(--color-error);
}
.calendar-popover__status--warning {
    background: color-mix(in srgb, var(--color-warning) 18%, transparent);
    color: var(--color-warning);
}
.calendar-popover__status--success {
    background: color-mix(in srgb, var(--color-success) 14%, transparent);
    color: var(--color-success);
}
.calendar-popover__status--neutral {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-text-light);
}

.calendar-popover__meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin: 0 0 var(--spacing-smd);
}

.calendar-popover__row {
    display: grid;
    grid-template-columns: 3.25rem 1fr;
    gap: var(--spacing-sm);
    align-items: baseline;
}

.calendar-popover__row dt {
    font-size: var(--font-size-2xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
    margin: 0;
}

.calendar-popover__row dd {
    margin: 0;
    color: var(--color-text);
    min-width: 0;
    overflow-wrap: anywhere;
}

/* The people row's <dt> is read, not seen (.visually-hidden): the names span both columns. */
.calendar-popover__row--people {
    grid-template-columns: 1fr;
}

.calendar-popover__workers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xsm);
}

.calendar-popover__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--color-action);
    text-decoration: none;
}

.calendar-popover__link:hover {
    text-decoration: underline;
    color: var(--color-action);
}

@media (max-width: 767.98px) {
    /* Anchor to the bottom of the screen like the filter dropdown does, so the
       card never runs off a small viewport. */
    .calendar-popover {
        left: 0.5rem !important;
        right: 0.5rem;
        top: auto !important;
        bottom: 0.5rem;
        width: auto;
    }
}

.calendar-worker-avatar {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

.calendar-week-assignment-worker {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

.calendar-filter-wrapper {
    position: relative;
}

.calendar-filter-split {
    display: flex;
    align-items: center;
    gap: 0;
}

.calendar-filter-split .global-header-btn {
    border-radius: var(--radius-button) 0 0 var(--radius-button);
}

.calendar-filter-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-left: none;
    background: transparent;
    padding: 0 var(--spacing-xsm);
    border-radius: 0 var(--radius-button) var(--radius-button) 0;
    cursor: pointer;
    color: var(--color-text-light);
    font-size: var(--font-size-2xs);
    height: var(--calendar-ctrl-h);
    transition: transform 0.15s, background var(--transition-fast),
                color var(--transition-fast), border-color var(--transition-fast);
}

/* Active state — share the filled treatment of the sibling button so the
   chevron reads as one continuous segment with the toggle. */
.calendar-filter-split.is-active .calendar-filter-chevron {
    background: var(--color-action);
    color: var(--color-neutral-ink-fg);
    border-color: var(--color-action);
}

.calendar-filter-split.is-active .calendar-filter-chevron:hover {
    /* slight darken on hover while active — an overlay tint over the ink fill */
    background: linear-gradient(rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.12)),
                var(--color-action);
}

.calendar-filter-chevron.is-open i {
    transform: rotate(180deg);
}

.calendar-filter-chevron:hover {
    background: rgba(0, 0, 0, 0.04);
}

/* A disabled chevron always means its sibling toggle is OFF, so the two fade
   together as one segment rather than two mismatched greys — 0.55 is the
   toggle's own OFF opacity (.global-header-btn-toggle in main.css), not the 0.4 a
   plain disabled control gets. */
.calendar-filter-chevron:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.calendar-filter-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    z-index: 100;
    min-width: 180px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--ink-alpha-10);
    padding: var(--spacing-xsm) 0;
}

.calendar-filter-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xsm) var(--spacing-smd);
    border-bottom: 1px solid var(--color-border);
}

.calendar-filter-search {
    display: flex;
    align-items: center;
    gap: var(--spacing-xsm);
    flex: 1;
    min-width: 0;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
}

.calendar-filter-search i {
    flex-shrink: 0;
    font-size: var(--font-size-2xs);
}

.calendar-filter-search input {
    border: none;
    background: none;
    outline: none;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    width: 100%;
    padding: 0;
}

.calendar-filter-search input::placeholder {
    color: var(--color-text-light);
}

.calendar-filter-quick {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.calendar-filter-quick button {
    border: none;
    background: none;
    color: var(--color-action);
    font-size: var(--font-size-xs);
    cursor: pointer;
    padding: 0;
    white-space: nowrap;
}

.calendar-filter-quick button:hover {
    text-decoration: underline;
}

.calendar-filter-list {
    max-height: 240px;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: var(--spacing-xs) 0;
}

.calendar-filter-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-smd);
    font-size: var(--font-size-sm);
    cursor: pointer;
    white-space: nowrap;
}

.calendar-filter-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

.calendar-filter-item input[type="checkbox"] {
    width: 14px;
    height: 14px;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--color-action);
}

/* Grouped filter lists — the Events dropdown nests service types under their
   category (a toggle-all "group head" checkbox), and the Tasks dropdown nests
   its items under a plain "Role deliverables" / "Opportunity due dates" label.
   A hairline separates groups; the category head reads bold; the task label is a
   small-caps section title; and every leaf checkbox is indented under its head. */
.calendar-filter-group + .calendar-filter-group {
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-xs);
}

.calendar-filter-group-head {
    font-weight: var(--font-weight-medium);
}

.calendar-filter-group-label {
    padding: var(--spacing-xsm) var(--spacing-smd) var(--spacing-2xs);
    font-size: var(--font-size-2xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
}

.calendar-filter-subitem {
    padding-left: var(--spacing-lg);
}

.global-dropdown-enter { transition: opacity 0.1s ease, transform 0.1s ease; }
.global-dropdown-enter-start { opacity: 0; transform: translateY(-4px); }
.global-dropdown-enter-end { opacity: 1; transform: translateY(0); }
.global-dropdown-leave { transition: opacity 0.075s ease; }
.global-dropdown-leave-start { opacity: 1; }
.global-dropdown-leave-end { opacity: 0; }

@media (max-width: 767.98px) {
    .calendar-filter-dropdown {
        position: fixed;
        left: 0.5rem;
        right: 0.5rem;
        top: auto;
        bottom: calc(var(--bottom-bar-h) + 0.5rem);
        min-width: auto;
        max-height: 50vh;
        overflow-y: auto;
        overscroll-behavior: contain;
    }
}

@media print {
    .global-sidebar, .global-app-header,
    .global-empty-state--inline { 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; }
    .global-app-content { padding: 0 !important; }
    .calendar-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;
    }
}