/* Landscape orientation adjustments */
.learning-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.learning-card-link:active {
    opacity: 0.94;
}

.subject-section .subject-item {
    position: relative;
    border: none;
    box-shadow: none;
}

.subject-section .subject-arrow {
    width: 32px;
    height: 48px;
    color: var(--color-blue);
    background: rgba(255, 255, 255, 0.94);
    border: 2px solid var(--color-blue);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.38);
    font-size: 26px;
    font-weight: 800;
}

.subject-section .subject-arrow:active,
.subject-section .subject-arrow:focus-visible {
    background: #eaf4ff;
}

.subject-section .subject-item-title {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
    box-sizing: border-box;
    min-height: 44px;
    padding: 12px 16px 8px;
    color: #fff;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.74), rgba(0, 0, 0, 0.44) 56%, rgba(0, 0, 0, 0));
    font-size: 22px;
    font-weight: 800;
    line-height: 1.1;
    word-break: keep-all;
    pointer-events: none;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.announcement-item-accordion {
    display: block;
    padding: 0;
}

.announcement-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    cursor: pointer;
}

.announcement-row:focus {
    outline: 2px solid var(--color-blue);
    outline-offset: -2px;
}

.announcement-item-open .announcement-row {
    background: #f5faff;
}

.announcement-row::after {
    content: '+';
    flex: 0 0 auto;
    color: var(--color-blue);
    font-size: var(--font-size-md);
    font-weight: 700;
    line-height: 1.3;
}

.announcement-item-open .announcement-row::after {
    content: '-';
}

.announcement-row .announcement-badge {
    flex: 1 1 auto;
    display: block;
    min-width: 0;
    font-size: 14px;
    line-height: 1.4;
}

.announcement-title {
    display: inline;
    word-break: keep-all;
    line-height: 1.4;
}

.announcement-link-inline {
    font-size: var(--font-size-sm);
    display: inline;
    white-space: normal;
    margin-left: 4px;
}

.announcement-panel {
    padding: 0 var(--spacing-md) var(--spacing-sm);
}

.announcement-item-open .announcement-panel {
    background: var(--color-lightgray);
}

.announcement-content {
    color: #222;
    font-size: 13px;
    line-height: 1.65;
    word-break: keep-all;
}

.announcement-content p,
.announcement-content h1,
.announcement-content h2,
.announcement-content h3,
.announcement-content h4,
.announcement-content h5,
.announcement-content h6 {
    display: block;
    margin: 0 0 10px;
    padding: 0;
    font-size: 13px;
    line-height: 1.65;
}

.announcement-content h1,
.announcement-content h2,
.announcement-content h3,
.announcement-content h4,
.announcement-content h5,
.announcement-content h6 {
    font-weight: 600;
}

.announcement-content ul,
.announcement-content ol {
    margin: 6px 0 14px 18px;
    padding: 0;
}

.announcement-content ul {
    list-style: disc outside;
}

.announcement-content ol {
    list-style: decimal outside;
}

.announcement-content li {
    display: list-item;
    margin: 0 0 5px;
    padding-left: 2px;
    font-size: 13px;
    line-height: 1.6;
}

.announcement-content li > :last-child {
    margin-bottom: 0;
}

.announcement-content strong,
.announcement-content b {
    font-weight: 700;
}

.announcement-header h2 img,
.learning-header h3 img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

@media (orientation: landscape) and (max-height: 500px) {
    .banner-section .banner-image {
        min-height: 120px;
    }

    .subject-section .subject-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet-only adjustments for index page */
@media (min-width: 600px) and (max-width: 1400px) {
    .banner-section .banner-slide img {
        width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        max-height: none;
        object-fit: contain;
    }

    .subject-section {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .subject-section .subject-list {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding-bottom: 0;
        background: transparent;
        align-content: flex-start;
    }

    .subject-section .subject-item {
        flex: 0 0 calc((100% - (2 * var(--spacing-sm))) / 3);
        aspect-ratio: 16 / 5.5;
        overflow: hidden;
    }

    .subject-section .subject-item img {
        width: 100%;
        height: 100%;
        display: block;
        margin: 0 auto;
        object-fit: cover;
    }
}

@media (max-width: 599px) {
    .subject-section .subject-list {
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        background: var(--color-lightgray);
    }

    .subject-section .subject-item {
        background: var(--color-lightgray);
        border: none;
        border-radius: 6px;
        aspect-ratio: 400 / 138;
        overflow: hidden;
    }

    .subject-section .subject-item img {
        background: var(--color-lightgray);
        width: 100%;
        height: 100%;
        display: block;
        margin: 0;
        object-fit: cover;
        border-radius: 6px;
    }
}

@media (min-width: 1025px) {
    html.m-index-page.m-desktop-browser .banner-section,
    html.m-index-page.m-desktop-browser .subject-section,
    html.m-index-page.m-desktop-browser .announcement-section,
    html.m-index-page.m-desktop-browser .learning-section,
    html.m-index-page.m-desktop-browser .community-section {
        width: 100%;
        max-width: 720px;
        margin-right: auto;
        margin-left: auto;
    }

    html.m-index-page.m-desktop-browser .banner-section {
        padding: 0;
    }

    html.m-index-page.m-desktop-browser .subject-section {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    html.m-index-page.m-desktop-browser .subject-section .subject-list {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding-bottom: 0;
        background: transparent;
        align-content: flex-start;
    }

    html.m-index-page.m-desktop-browser .subject-section .subject-item {
        flex: 0 0 calc((100% - (2 * var(--spacing-sm))) / 3);
        aspect-ratio: 16 / 5.5;
        overflow: hidden;
    }

    html.m-index-page.m-desktop-browser .subject-section .subject-item img {
        width: 100%;
        height: 100%;
        display: block;
        margin: 0 auto;
        object-fit: cover;
    }
}