.calendar-card {
    margin: 1rem 0;
    padding: clamp(1rem, 3vw, 1.5rem);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.calendar-card__header,
.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.calendar-card__header {
    margin-bottom: 1.25rem;
}

.calendar-card__header h2,
.calendar-toolbar h3 {
    margin: 0;
}

.availability-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem 1rem;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 750;
}

.availability-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.legend-key {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.legend-key--available {
    background: #dff2e3;
}

.legend-key--unavailable {
    background: #f7dddd;
}

.legend-key--closed {
    background: #e8ebe8;
}

.calendar-toolbar {
    margin-bottom: 1rem;
}

.calendar-toolbar h3 {
    min-width: 12rem;
    text-align: center;
    font-size: clamp(1.25rem, 3vw, 1.65rem);
}

.calendar-nav-button {
    display: inline-flex;
    min-width: 7.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.65rem 0.8rem;
    background: #fff;
    color: var(--accent);
    text-decoration: none;
    font-weight: 800;
}

.calendar-nav-button:hover,
.calendar-nav-button:focus-visible {
    border-color: var(--accent);
    background: var(--surface-soft);
}

.calendar-nav-button.is-disabled {
    color: #8b948d;
    background: #f1f3f1;
    cursor: not-allowed;
}

.calendar-loading {
    margin-bottom: 0.75rem;
    color: var(--muted);
    font-weight: 750;
}

.calendar-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.availability-calendar {
    min-width: 980px;
    table-layout: fixed;
}

.availability-calendar th {
    padding: 0.65rem;
    text-align: center;
}

.availability-calendar td {
    height: 150px;
    padding: 0.55rem;
    background: #fff;
    vertical-align: top;
}

.calendar-day--outside {
    background: #f5f7f5 !important;
}

.calendar-day--today {
    box-shadow: inset 0 0 0 3px rgba(36, 91, 53, 0.35);
}

.calendar-day__number {
    display: inline-flex;
    width: 1.9rem;
    height: 1.9rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 850;
}

.calendar-day--today .calendar-day__number {
    background: var(--accent);
    color: #fff;
}

.calendar-day__statuses {
    display: grid;
    gap: 0.4rem;
    margin-top: 0.55rem;
}

.availability-status {
    display: grid;
    gap: 0.05rem;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0.38rem 0.45rem;
    font-size: 0.78rem;
    font-weight: 850;
    line-height: 1.25;
}

.availability-status__resource {
    font-size: 0.68rem;
    font-weight: 750;
    opacity: 0.78;
}

.availability-status--available {
    border-color: #b7ddbf;
    background: #e5f5e8;
    color: #205b2f;
}

.availability-status--unavailable {
    border-color: #e7b9b6;
    background: #fae7e6;
    color: #8a211c;
}

.availability-status--not_requestable {
    border-color: #d8ddda;
    background: #eef1ef;
    color: #5c665f;
}

.calendar-updated {
    margin: 0.85rem 0 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.availability-details {
    margin-top: 1rem;
}

.public-request-notice {
    margin-top: 1rem;
}

@media (max-width: 760px) {
    .calendar-card__header,
    .calendar-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .availability-legend {
        justify-content: flex-start;
    }

    .calendar-toolbar {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .calendar-toolbar h3 {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .calendar-nav-button {
        min-width: 0;
    }
}

/* Section 5: public temporary holds and conflict prevention */
.legend-key--selected {
    background: #dce9fb;
}

.availability-status--selected {
    border-color: #a9c6ec;
    background: #e8f1fc;
    color: #1e4d83;
}

.availability-action {
    margin-top: 0.2rem;
}

.availability-action button,
.text-button {
    appearance: none;
    border: 0;
    padding: 0;
    background: transparent;
    color: currentColor;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 900;
    text-decoration: underline;
    cursor: pointer;
}

.availability-action button:hover,
.availability-action button:focus-visible,
.text-button:hover,
.text-button:focus-visible {
    text-decoration-thickness: 2px;
}

.public-flash {
    margin-bottom: 1rem;
}

.hold-banner,
.selection-card,
.hold-card {
    margin-bottom: 1rem;
    padding: clamp(1.2rem, 3vw, 1.7rem);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.hold-banner,
.selection-card__heading,
.selection-actions,
.hold-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.hold-banner h2,
.selection-card h2,
.hold-card h2 {
    margin: 0;
}

.hold-banner p:last-child {
    margin-bottom: 0;
    color: var(--muted);
}

.selection-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.4rem 0.75rem;
    background: var(--surface-soft);
    color: var(--accent-dark);
    font-weight: 850;
    white-space: nowrap;
}

.selection-list,
.hold-date-list {
    display: grid;
    gap: 0.65rem;
    margin: 1rem 0;
    padding: 0;
    list-style: none;
}

.selection-list li,
.hold-date-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    background: var(--surface-soft);
}

.selection-list li div,
.hold-date-list li {
    min-width: 0;
}

.selection-list strong,
.selection-list span,
.hold-date-list strong,
.hold-date-list span {
    display: block;
}

.selection-list span,
.hold-date-list span {
    margin-top: 0.15rem;
    color: var(--muted);
}

.selection-actions,
.hold-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
}

.selection-actions .primary-button,
.selection-actions .secondary-button,
.hold-actions .primary-button,
.hold-actions .secondary-button,
.hold-banner .primary-button {
    margin-top: 0;
}

.secondary-button {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.76rem 1rem;
    background: #fff;
    color: var(--accent-dark);
    font: inherit;
    font-weight: 850;
    cursor: pointer;
}

.secondary-button:hover,
.secondary-button:focus-visible {
    border-color: var(--accent);
    background: var(--surface-soft);
}

.primary-button:disabled,
.secondary-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hold-page {
    max-width: 920px;
}

.hold-countdown {
    display: inline-grid;
    gap: 0.15rem;
    min-width: 13rem;
    margin: 1rem 0;
    border-radius: 14px;
    padding: 1rem 1.25rem;
    background: var(--accent-dark);
    color: #fff;
}

.hold-countdown span {
    font-size: 0.85rem;
    font-weight: 750;
    opacity: 0.85;
}

.hold-countdown strong {
    font-size: clamp(2rem, 7vw, 3.4rem);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.hold-expiration {
    color: var(--muted);
}

@media (max-width: 680px) {
    .hold-banner,
    .selection-card__heading,
    .selection-actions,
    .hold-actions,
    .selection-list li,
    .hold-date-list li {
        align-items: flex-start;
        flex-direction: column;
    }

    .selection-actions form,
    .hold-actions form,
    .selection-actions button,
    .hold-actions button,
    .hold-banner .primary-button {
        width: 100%;
    }
}


/* Section 5.1: live selection-basket updates */
.selection-feedback {
    margin-top: 1rem;
}

.selection-card[aria-busy="true"] {
    opacity: 0.82;
}

.selection-card[aria-busy="true"] button {
    cursor: progress;
}