/* Month view details: collapsed state, event bars, day panel and live loading. */

.month-calendar .day {
    padding: 7px 8px;
    overflow: hidden;
    background: transparent;
}

.month-calendar .day:hover {
    background: var(--color-surface-hover);
}

.month-calendar .date {
    width: 32px;
    height: 32px;
    margin: 0 0 8px;
    border-radius: 10px;
    font-size: .78rem;
}

.month-calendar .date:not(.today):hover {
    background: var(--color-brand-soft);
}

.month-calendar .event {
    flex-shrink: 0;
    min-height: 21px;
    height: 21px;
    margin-bottom: 2px;
    padding: 1px 6px;
    border: 0;
    border-radius: 4px;
    background: var(--status-upcoming-bg);
    box-shadow: none;
    font-size: .72rem;
    font-weight: 600;
    line-height: 1.15;
    border-left: 3px solid var(--status-upcoming);
}

.month-calendar .event-status-green {
    background: var(--status-present-bg);
    border-left-color: var(--status-present);
}

.month-calendar .event-status-red {
    background: var(--status-absent-bg);
    border-left-color: var(--status-absent);
}

.month-calendar .event-status-blue {
    background: var(--status-upcoming-bg);
    border-left-color: var(--status-upcoming);
}

.month-calendar .event-time {
    display: none;
}

.month-calendar .more-events {
    flex-shrink: 0;
    min-height: 21px;
    padding: 1px 6px;
    border-radius: 4px;
    background: var(--color-brand-soft);
    color: var(--color-accent);
    font-size: .65rem;
}

#weekdays:empty {
    display: none;
}

/* ── Collapsed month state ──────────────────────────────────────── */
.view-collapsed .month-calendar {
    grid-template-rows: repeat(var(--month-weeks,6),minmax(46px,1fr));
}

.view-collapsed .month-calendar .day {
    padding: 4px 3px;
    align-items: flex-start;
}

.view-collapsed .month-calendar .event, .view-collapsed .month-calendar .more-events {
    display: none !important;
}

.view-collapsed .month-calendar .date {
    width: 22px;
    height: 22px;
    font-size: .68rem;
    margin-bottom: 2px;
}

/* ── Event bars (collapsed cells) ───────────────────────────────── */
.event-bar-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 2px 3px;
    width: 100%;
}

.event-bar {
    width: 100%;
    height: 4px;
    flex: none;
    border-radius: 2px;
}

.event-bar.event-status-green {
    background: var(--status-present);
}

.event-bar.event-status-red {
    background: var(--status-absent);
}

.event-bar.event-status-blue {
    background: var(--status-upcoming);
}

/* ── Selected collapsed cell ────────────────────────────────────── */
.day-collapsed.day-selected .date {
    background: var(--selected-bg);
    border: 0;
    color: var(--selected-text);
    border-radius: 10px;
    font-weight: 700;
}

/* ── Day panel ──────────────────────────────────────────────────── */
#day-panel {
    display: none;
    flex-shrink: 0;
    overflow-y: auto;
    max-height: 42vh;
    padding: 14px 16px 24px;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.view-collapsed #day-panel {
    display: block;
}

.day-panel-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 14px;
}

.day-panel-date {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.day-panel-meta {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.day-panel-weekday {
    font-size: .82rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.day-panel-session {
    font-size: .72rem;
    color: var(--color-text-muted);
}

/* Z4 (docs/25): a laptop's way back to the full month, as quiet as Z3's folder download icon. */
.day-panel-full {
    display: inline-grid;
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    margin-left: auto;
    align-self: center;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
}

.day-panel-full svg {
    display: block;
}

.day-panel-full:hover {
    background: var(--color-brand-soft);
    color: var(--color-accent);
}

.day-panel-full:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
    color: var(--color-accent);
}

/* A day list card: status bar, name, time and venue, and the session number. */
.class-card {
    display: flex;
    width: 100%;
    min-height: var(--touch-target);
    align-items: stretch;
    gap: 10px;
    margin: 0 0 8px;
    padding: 10px 12px;
    border: 0;
    border-radius: 14px;
    background: var(--color-surface-raised);
    color: inherit;
    font: inherit;
    text-align: left;
}

.class-card-bar {
    width: 4px;
    flex: none;
    border-radius: 4px;
}

.class-card-info {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
}

.class-card-title,
.class-card-detail {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.class-card-title {
    font-size: .88rem;
    font-weight: 600;
}

.class-card-detail {
    color: var(--color-text-muted);
    font-size: .74rem;
}

.class-card-tag {
    display: inline-flex;
    flex: none;
    align-self: center;
    align-items: center;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: .68rem;
    font-weight: 600;
}

.class-card-bar.event-status-green {
    background: var(--status-present);
}

.class-card-bar.event-status-red {
    background: var(--status-absent);
}

.class-card-bar.event-status-blue {
    background: var(--status-upcoming);
}

.class-card-tag.event-status-green {
    background: var(--status-present-bg);
    color: var(--status-present);
}

.class-card-tag.event-status-red {
    background: var(--status-absent-bg);
    color: var(--status-absent);
}

.class-card-tag.event-status-blue {
    background: var(--status-upcoming-bg);
    color: var(--status-upcoming);
}

.class-card-bar.event-status-loading {
    background: var(--color-border-strong);
}

.day-panel-empty {
    color: var(--color-text-muted);
    font-size: .85rem;
    padding: 12px 0;
}

@media (max-width: 1024px) {
    .topbar {
        padding-right: 16px;
        padding-left: 16px;
    }
}

/* A live class while TAMS is checking: no attendance colour until TAMS answers. */
.event-status-loading,
.month-calendar .event-status-loading,
.week-event.event-status-loading {
    background: var(--status-loading-bg);
    color: var(--color-text-muted);
    border-left-color: var(--color-border-strong);
    animation: live-loading 1.4s ease-in-out infinite;
}

.event-bar.event-status-loading {
    background: var(--color-border-strong);
}

@keyframes live-loading {
    50% {
        opacity: .55;
    }
}

@media (prefers-reduced-motion: reduce) {
    .event-status-loading {
        animation: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Phone Month (dots and a list): the grid is always 6 fixed rows and never moves; the day's list fills the rest
   of the screen down to the section bar and scrolls on its own, so the page itself never scrolls. */
@media (max-width: 720px) {
    #viewContainer.view-collapsed #calendar {
        flex: none;
        overflow: visible;
    }

    #viewContainer.view-collapsed .month-calendar {
        height: auto;
        grid-template-rows: repeat(var(--month-weeks,6), var(--month-row-height));
    }

    #viewContainer.view-collapsed #day-panel {
        flex: 1 1 0;
        min-height: 0;
        max-height: none;
        overflow-y: auto;
        overscroll-behavior: contain;
    }
}