/* Topic atlas inherits the shared clinical identity; every new rule is scoped. */
.dlvh { max-width: 1180px; margin: 0 auto; padding: 56px 24px 64px; color: var(--dl32d-ink); font-family: "Open Sans", Arial, sans-serif; line-height: 1.65; }
.dlvh *, .dlvh *::before, .dlvh *::after { box-sizing: border-box; }
.dlvh [hidden] { display: none !important; }
.dlvh ::selection { background: var(--dl32d-sky); color: var(--dl32d-navy); }
.dlvh h1, .dlvh h2, .dlvh h3, .dlvh h4 { color: var(--dl32d-navy); line-height: 1.25; overflow-wrap: anywhere; }
.dlvh h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 0 0 20px; }
.dlvh h2 { font-size: 1.8rem; margin: 0 0 24px; }
.dlvh h3 { font-size: 1.3rem; margin: 0 0 16px; }
.dlvh h4 { font-size: 1.15rem; margin: 12px 0; }
.dlvh p { max-width: 72ch; margin: 0 0 20px; }
.dlvh a { color: var(--dl32d-blue); text-underline-offset: .2em; }
.dlvh a:hover { color: var(--dl32d-navy); }
.dlvh :focus-visible { outline: 3px solid var(--dl32d-navy); outline-offset: 4px; }
.dlvh-atlas { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; margin-bottom: 72px; }
.dlvh-no-feature { grid-template-columns: minmax(0, 760px); }
.dlvh-intro { font-size: 1.1rem; }
.dlvh-topics { margin-top: 32px; border-top: 1px solid var(--dl32d-border); }
.dlvh-topics a { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 16px 8px; min-height: 52px; border-bottom: 1px solid var(--dl32d-border); text-decoration: none; }
.dlvh-topics a span:first-child { font-weight: 600; }
.dlvh-topics a span:last-child { white-space: nowrap; font-size: .85rem; font-variant-numeric: tabular-nums; }
.dlvh-topics a:hover, .dlvh-topics a[aria-current="true"] { background: var(--dl32d-sky); }
.dlvh-featured { padding-top: 12px; min-width: 0; }
.dlvh-featured [data-featured-player] img { cursor: pointer; }
.dlvh-featured [data-featured-close] { margin-bottom: 16px; }
.dlvh-state { background: var(--dl32d-sky); padding: 20px; }
.dlvh-search { margin-bottom: 24px; }
.dlvh-search label { display: block; font-weight: 600; margin-bottom: 8px; }
.dlvh-search div { display: flex; gap: 12px; max-width: 720px; }
.dlvh input { min-width: 0; flex: 1; border: 1px solid var(--dl32d-muted); padding: 12px; font: inherit; caret-color: var(--dl32d-navy); }
.dlvh button { font: inherit; font-weight: 600; background: var(--dl32d-navy); color: var(--dl32d-white); border: 0; min-height: 44px; padding: 12px 16px; cursor: pointer; }
.dlvh button:hover { background: var(--dl32d-blue); }
.dlvh-group { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--dl32d-border); scroll-margin-top: 160px; }
.dlvh-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 28px; }
.dlvh-card { min-width: 0; scroll-margin-top: 160px; }
.dlvh-card p { overflow-wrap: anywhere; }

.dlvh-meta { color: var(--dl32d-muted); font-size: .875rem; font-variant-numeric: tabular-nums; }
.dlvh-player { position: relative; aspect-ratio: 16/9; background: var(--dl32d-sky); margin-bottom: 16px; }
.dlvh-player img { width: 100%; height: 100%; display: block; object-fit: contain; }
.dlvh-player button { position: absolute; bottom: 12px; left: 12px; right: 12px; }
.dlvh-player iframe { width: 100%; height: 100%; border: 0; display: block; }
.dlvh-portrait { aspect-ratio: 9/16; max-width: 240px; margin-inline: auto; }
.dlvh .dlvh-dialog { width: min(1100px, calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 32px); margin: auto; padding: 20px; border: 1px solid var(--dl32d-border); background: var(--dl32d-white, #fff); color: var(--dl32d-ink); overflow: auto; overscroll-behavior: contain; }
.dlvh .dlvh-dialog::backdrop { background: rgb(10 30 50 / .75); }
.dlvh-dialog-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.dlvh .dlvh-dialog-heading h2 { min-width: 0; margin: 0; font-size: 1.3rem; }
.dlvh-dialog-heading button { flex-shrink: 0; min-width: 44px; }
.dlvh .dlvh-dialog .dlvh-player { width: min(100%, calc(65dvh * 16 / 9)); margin: 0 auto; }
.dlvh .dlvh-dialog .dlvh-portrait { width: min(100%, calc(65dvh * 9 / 16)); max-width: none; }
.dlvh-channel { margin-top: 56px !important; }
@media (max-width: 900px) {
    .dlvh-atlas { gap: 32px; }
    .dlvh-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .dlvh .dlvh-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); padding: 12px; }
    .dlvh-dialog-heading { flex-direction: column; gap: 12px; }
    .dlvh { padding: 32px 20px 48px; }
    .dlvh-atlas { grid-template-columns: minmax(0, 1fr); gap: 40px; margin-bottom: 48px; }
    .dlvh-grid { grid-template-columns: minmax(0, 1fr); }
    .dlvh-search div { flex-direction: column; }
}