/* CISA Academic Calendar */

.calendar-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.calendar-source-meta {
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(8rem, 1fr));
    gap: 0.55rem;
    margin: 1rem 0 0;
}

.calendar-source-meta div {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    text-align: left;
}

.calendar-source-meta dt {
    color: var(--ink-muted);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.calendar-source-meta dd {
    margin: 0.15rem 0 0;
    color: var(--maroon);
    font-size: 0.9rem;
    font-weight: 800;
}

.calendar-freshness-notice {
    max-width: 58rem;
    margin: 1rem auto 0;
    padding: 0.9rem 1rem;
    border: 1px solid #b88918;
    border-left: 0.35rem solid #b88918;
    background: #fff8dc;
    color: #4b3a12;
    line-height: 1.55;
}

.calendar-freshness-notice a {
    color: var(--maroon);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.calendar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 0 0 1.25rem;
    position: relative;
    z-index: 20;
}

.calendar-actions > .resource-link,
.calendar-actions > details > summary {
    min-height: 3rem;
    padding-inline: 1rem;
}

.calendar-subscribe {
    position: relative;
}

.calendar-subscribe > summary {
    cursor: pointer;
    list-style: none;
    gap: 0.5rem;
}

.calendar-subscribe > summary::-webkit-details-marker {
    display: none;
}

.calendar-subscribe[open] > summary {
    background: var(--paper-dark);
}

.calendar-subscribe-panel {
    position: absolute;
    left: 0;
    top: calc(100% + 0.65rem);
    width: min(44rem, calc(100vw - 2rem));
    padding: 1.25rem;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 1.25rem 3rem rgba(52, 35, 27, 0.2);
    z-index: 40;
}

.subscribe-panel-heading h2 {
    margin: 0;
    color: var(--maroon);
    font-size: 1.25rem;
    line-height: 1.35;
}

.calendar-kicker {
    margin: 0 0 0.35rem;
    color: var(--ink-muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.subscribe-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1rem;
}

.subscribe-option {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
    padding: 1rem;
    background: var(--paper);
    border: 1px solid var(--line);
}

.subscribe-option h3 {
    margin: 0 0 0.35rem;
    color: var(--maroon);
    font-size: 1.08rem;
}

.subscribe-option p,
.subscribe-help {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

.subscribe-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: auto;
}

.subscribe-buttons .resource-link {
    flex: 1 1 calc(50% - 0.45rem);
    padding: 0.55rem 0.65rem;
    font-size: 0.8rem;
}

.subscribe-buttons .calendar-copy-button {
    flex-basis: 100%;
    cursor: pointer;
}

.subscribe-help {
    margin-top: 0.9rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--line);
}

.subscribe-help a {
    color: var(--maroon);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.calendar-shell {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 6px 6px 0 rgba(138, 16, 11, 0.06);
}

.calendar-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.calendar-audience-toggle {
    display: inline-flex;
    padding: 0.2rem;
    background: var(--paper-dark);
    border: 1px solid var(--line);
}

.calendar-audience-toggle button {
    min-height: 2.55rem;
    padding: 0.5rem 0.85rem;
    color: var(--ink-muted);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
}

.calendar-audience-toggle button[aria-pressed="true"] {
    color: var(--white);
    background: var(--maroon);
}

.calendar-month-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    text-align: center;
}

.calendar-month-title {
    min-width: 10rem;
    margin: 0;
    color: var(--maroon);
    font-family: var(--font-kai);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.15;
}

.calendar-today-button {
    margin-top: 0.15rem;
    padding: 0.15rem 0.4rem;
    color: var(--ink-muted);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.76rem;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.calendar-icon-button {
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 2.75rem;
    color: var(--maroon);
    background: var(--white);
    border: 1px solid var(--maroon);
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: 700;
}

.calendar-icon-button:disabled {
    color: #a8a29e;
    background: var(--paper-dark);
    border-color: var(--line);
    cursor: not-allowed;
}

.calendar-audience-toggle button:focus-visible,
.calendar-icon-button:focus-visible,
.calendar-today-button:focus-visible,
.calendar-subscribe > summary:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}

.calendar-content {
    display: grid;
    grid-template-columns: minmax(0, 2.25fr) minmax(15rem, 0.9fr);
    min-width: 0;
}

.calendar-board {
    min-width: 0;
    border-right: 1px solid var(--line);
}

.calendar-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--line);
}

.calendar-weekdays {
    background: var(--paper-dark);
}

.calendar-weekday {
    padding: 0.6rem 0.25rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--ink-muted);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-align: center;
    text-transform: uppercase;
}

.calendar-weekday:last-child,
.calendar-day:last-child {
    border-right: 0;
}

.calendar-day {
    position: relative;
    min-width: 0;
    height: 7rem;
    padding: 0.45rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--white);
    text-align: left;
    vertical-align: top;
}

.calendar-grid tr:last-child .calendar-day {
    border-bottom: 0;
}

.calendar-day.is-outside {
    color: #a8a29e;
    background: #f5f1eb;
}

.calendar-day-number {
    display: inline-flex;
    width: 1.75rem;
    height: 1.75rem;
    align-items: center;
    justify-content: center;
    color: inherit;
    font-size: 0.82rem;
    font-weight: 700;
}

.calendar-day.is-today .calendar-day-number {
    color: var(--white);
    background: var(--maroon);
    border-radius: 50%;
}

.calendar-day-events {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.calendar-event {
    display: block;
    min-width: 0;
    overflow: hidden;
    padding: 0.24rem 0.32rem;
    color: var(--ink);
    border-left: 3px solid;
    font-size: 0.67rem;
    font-weight: 650;
    line-height: 1.25;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-event:hover {
    filter: brightness(0.96);
}

.calendar-event-academic {
    background: #f1e8f5;
    border-color: #75508c;
}

.calendar-event-holiday {
    background: #e6f1ea;
    border-color: #367052;
}

.calendar-event-deadline {
    background: #f8e8e4;
    border-color: #a63a2c;
}

.calendar-event-exam {
    background: #f7efcf;
    border-color: #9b7315;
}

.calendar-event-more {
    color: var(--ink-muted);
    font-size: 0.66rem;
    font-weight: 700;
}

.calendar-event-dots {
    display: none;
}

.calendar-agenda {
    min-width: 0;
    padding: 1rem;
    background: #fcfaf7;
}

.calendar-agenda h2 {
    margin: 0 0 0.75rem;
    color: var(--maroon);
    font-size: 1.1rem;
}

.calendar-agenda-list {
    display: grid;
    gap: 0.55rem;
    max-height: 44rem;
    overflow-y: auto;
    padding-right: 0.15rem;
}

.calendar-agenda-item {
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 1fr) auto;
    align-items: start;
    gap: 0.7rem;
    padding: 0.7rem;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    text-decoration: none;
}

.calendar-agenda-item:hover {
    border-color: var(--maroon);
}

.calendar-agenda-date {
    color: var(--maroon);
    font-size: 0.78rem;
    font-weight: 800;
}

.calendar-agenda-copy {
    display: grid;
    gap: 0.35rem;
    min-width: 0;
}

.calendar-agenda-copy strong {
    font-size: 0.85rem;
    line-height: 1.35;
}

.calendar-type-label {
    width: fit-content;
    padding: 0.15rem 0.35rem;
    color: var(--ink-muted);
    background: var(--paper-dark);
    font-size: 0.68rem;
    font-weight: 700;
}

.calendar-type-academic {
    color: #634077;
    background: #f1e8f5;
}

.calendar-type-holiday {
    color: #2d6247;
    background: #e6f1ea;
}

.calendar-type-deadline {
    color: #8f2f23;
    background: #f8e8e4;
}

.calendar-type-exam {
    color: #7d5b0a;
    background: #f7efcf;
}

.calendar-empty {
    margin: 0;
    padding: 1rem;
    color: var(--ink-muted);
    background: var(--white);
    border: 1px dashed var(--line);
    font-size: 0.86rem;
    line-height: 1.6;
}

.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 1rem;
    padding: 0.85rem 1.25rem;
    background: var(--paper);
    border-top: 1px solid var(--line);
}

.calendar-legend > span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--ink-muted);
    font-size: 0.78rem;
    font-weight: 650;
}

.legend-dot,
.calendar-dot {
    display: inline-block;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
}

.legend-academic,
.calendar-dot-academic {
    background: #75508c;
}

.legend-holiday,
.calendar-dot-holiday {
    background: #367052;
}

.legend-deadline,
.calendar-dot-deadline {
    background: #a63a2c;
}

.legend-exam,
.calendar-dot-exam {
    background: #9b7315;
}

.calendar-half-term {
    margin-top: 1rem;
    background: var(--white);
    border: 1px solid var(--line);
}

.calendar-half-term > summary {
    min-height: 3rem;
    display: flex;
    align-items: center;
    padding: 0.7rem 1rem;
    color: var(--maroon);
    cursor: pointer;
    font-weight: 750;
}

.calendar-half-term[open] > summary {
    border-bottom: 1px solid var(--line);
}

.half-term-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding: 1rem;
}

.half-term-grid article {
    padding: 1rem;
    background: var(--paper);
    border-left: 3px solid var(--gold);
}

.half-term-grid h3 {
    margin: 0 0 0.45rem;
    color: var(--maroon);
    font-size: 1rem;
}

.half-term-grid p,
.calendar-disclaimer {
    color: var(--ink-muted);
    font-size: 0.84rem;
    line-height: 1.65;
}

.half-term-grid p {
    margin: 0;
}

.calendar-disclaimer {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    background: var(--paper-dark);
    border-left: 3px solid var(--maroon);
}

.calendar-disclaimer p {
    margin: 0;
}

@media (max-width: 960px) {
    .calendar-actions {
        position: relative;
    }

    .calendar-subscribe {
        position: static;
    }

    .calendar-subscribe-panel {
        left: 0;
        width: 100%;
        max-width: calc(100vw - 2rem);
    }
}

@media (max-width: 820px) {
    .calendar-content {
        grid-template-columns: minmax(0, 1fr);
    }

    .calendar-board {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .calendar-agenda-list {
        max-height: none;
    }
}

@media (max-width: 680px) {
    .calendar-source-meta {
        display: grid;
        width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calendar-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .calendar-actions > .resource-link,
    .calendar-actions > details,
    .calendar-actions > details > summary {
        width: 100%;
    }

    .calendar-subscribe-panel {
        position: relative;
        top: 0.5rem;
        width: 100%;
        padding: 1rem;
        box-shadow: 0 0.75rem 1.75rem rgba(52, 35, 27, 0.14);
    }

    .subscribe-options,
    .half-term-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .calendar-toolbar {
        align-items: stretch;
        flex-direction: column;
        padding: 1rem;
    }

    .calendar-audience-toggle {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calendar-month-controls {
        justify-content: space-between;
        padding-top: 0.75rem;
        border-top: 1px solid var(--line);
    }

    .calendar-month-title {
        min-width: 8.5rem;
        font-size: 1.35rem;
    }

    .calendar-weekday {
        padding: 0.45rem 0.1rem;
        font-size: 0.68rem;
    }

    .calendar-day {
        height: 3.8rem;
        padding: 0.25rem;
    }

    .calendar-day-number {
        width: 1.55rem;
        height: 1.55rem;
        font-size: 0.75rem;
    }

    .calendar-day-events {
        display: none;
    }

    .calendar-event-dots {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.14rem;
        margin-top: 0.25rem;
    }

    .calendar-dot {
        width: 0.38rem;
        height: 0.38rem;
    }

    .calendar-agenda {
        padding: 0.9rem;
    }

    .calendar-agenda-item {
        grid-template-columns: 4.1rem minmax(0, 1fr) auto;
        gap: 0.55rem;
        padding: 0.65rem;
    }

    .calendar-legend {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 0.8rem 0.9rem;
    }
}

@media (max-width: 390px) {
    .subscribe-buttons .resource-link {
        flex-basis: 100%;
    }

    .calendar-day {
        height: 3.45rem;
    }

    .calendar-agenda-item {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .calendar-agenda-date {
        grid-column: 1 / -1;
    }
}