/*
 * Page-specific layer for /hls.
 * Shared body, page shell, hero and breadcrumbs live in
 * layout/internal-page-shell.css; the hero card lives in
 * components/editorial-summary-card.css.
 */

body[data-page="hls"] {
    --internal-page-main-bg: #eef5fb;
    --internal-page-noise-opacity: 0;
}

body[data-page="hls"].hls-pdf-open {
    overflow: hidden;
}

.hls-material-card svg,
.hls-pdf-dialog svg {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hls-catalog {
    position: relative;
    z-index: 1;
    padding: clamp(3rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem);
}

.hls-catalog__header {
    max-width: 48rem;
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

.hls-catalog__title {
    margin: 0;
    color: var(--color-text-primary);
    font-size: clamp(1.8rem, 3vw, 2.7rem);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hls-catalog__lead {
    margin: 1rem 0 0;
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.65;
}

.hls-catalog__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.5rem);
}

.hls-material-card {
    min-width: 0;
    height: 100%;
    padding: 0;
    overflow: hidden;
    background: var(--color-bg-card-strong);
}

.hls-material-card__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--color-surface-muted);
}

.hls-material-card__media::after {
    position: absolute;
    inset: auto 0 0;
    height: 34%;
    content: "";
    pointer-events: none;
    background: linear-gradient(180deg, transparent, rgba(22, 49, 79, 0.12));
}

.hls-material-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.hls-material-card:hover .hls-material-card__image {
    transform: scale(1.035);
}

.hls-material-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.35rem;
}

.hls-material-card .material-card__title {
    font-size: 1.02rem;
}

.hls-material-card .material-card__desc {
    font-size: 0.88rem;
}

.hls-material-card__trigger {
    width: fit-content;
    margin-top: auto;
    padding-top: 0.25rem;
}

.hls-material-card svg,
.hls-pdf-dialog svg {
    width: 1.25rem;
    height: 1.25rem;
}

.hls-material-card__trigger svg {
    width: 1rem;
    height: 1rem;
}

.hls-material-card__trigger:focus-visible,
.hls-pdf-dialog__close:focus-visible,
.hls-pdf-dialog__external:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

.hls-catalog__empty {
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card-soft);
}

.hls-catalog__empty p {
    margin: 0;
}

.hls-pdf-dialog {
    box-sizing: border-box;
    width: min(94vw, 76rem);
    max-width: none;
    height: min(92vh, 58rem);
    max-height: none;
    margin: auto;
    padding: 0;
    overflow: hidden;
    color: var(--color-text-body);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    box-shadow: 0 32px 90px rgba(15, 23, 42, 0.35);
}

.hls-pdf-dialog::backdrop {
    background: rgba(15, 23, 42, 0.68);
    backdrop-filter: blur(5px);
}

.hls-pdf-dialog__panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    height: 100%;
}

.hls-pdf-dialog__header,
.hls-pdf-dialog__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--color-bg-card-strong);
}

.hls-pdf-dialog__header {
    border-bottom: 1px solid var(--color-border);
}

.hls-pdf-dialog__footer {
    justify-content: space-between;
    border-top: 1px solid var(--color-border);
}

.hls-pdf-dialog__heading {
    min-width: 0;
}

.hls-pdf-dialog__eyebrow {
    margin: 0 0 0.25rem;
    color: var(--color-accent);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hls-pdf-dialog__title {
    margin: 0;
    overflow: hidden;
    color: var(--color-text-primary);
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hls-pdf-dialog__close {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 auto;
    padding: 0;
    place-items: center;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    cursor: pointer;
}

.hls-pdf-dialog__close:hover {
    color: var(--color-accent-hover);
    border-color: var(--color-accent);
}

.hls-pdf-dialog__viewer {
    min-height: 0;
    background: var(--color-surface-muted);
}

.hls-pdf-dialog__frame {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.hls-pdf-dialog__hint {
    max-width: 42rem;
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.hls-pdf-dialog__external {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 0.5rem;
    color: var(--color-accent);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
}

.hls-pdf-dialog__external:hover {
    color: var(--color-accent-hover);
}

.hls-pdf-dialog__external svg {
    width: 1rem;
    height: 1rem;
}

@media (max-width: 1023px) {
    .hls-catalog__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 639px) {
    .hls-catalog__grid {
        grid-template-columns: 1fr;
    }

    .hls-pdf-dialog {
        width: 100%;
        height: 100dvh;
        border: 0;
        border-radius: 0;
    }

    .hls-pdf-dialog__header,
    .hls-pdf-dialog__footer {
        padding: 0.875rem 1rem;
    }

    .hls-pdf-dialog__footer {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hls-material-card,
    .hls-material-card__image {
        transition: none;
    }
}