.rk-sb-detail .rk-sb-story.rk-portrait-reader {
--rk-portrait-height: clamp(180px, calc(100svh - 340px), 640px);
display: block;
padding: clamp(14px, 2vw, 28px);
border: 1px solid var(--rk-line);
border-radius: 24px;
background: var(--rk-paper-2);
scroll-margin-top: 96px;
}
.rk-sb-detail .rk-portrait-heading,
.rk-sb-detail .rk-portrait-controls,
.rk-sb-detail .rk-portrait-zoom-header,
.rk-sb-detail .rk-portrait-zoom-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.rk-sb-detail .rk-portrait-heading { margin-bottom: 16px; }
#lp-public main.rk-sb-detail .rk-portrait-heading h2,
#lp-public main.rk-sb-detail .rk-portrait-zoom-header h2 { margin: 0; font: 700 20px/1.3 var(--rk-font-body); }
.rk-sb-detail .rk-portrait-button {
min-height: 44px;
padding: 9px 18px;
border: 1px solid var(--rk-line);
border-radius: 10px;
color: var(--rk-ink);
background: var(--rk-paper);
font: 600 15px/1.4 var(--rk-font-body);
cursor: pointer;
}
.rk-sb-detail .rk-portrait-button:hover:not(:disabled) { border-color: var(--rk-emerald); color: var(--rk-emerald); }
.rk-sb-detail .rk-portrait-button:disabled { opacity: .4; cursor: default; }
.rk-sb-detail :is(.rk-portrait-button, .rk-portrait-page-button, .rk-portrait-spread, .rk-portrait-transcript summary, .rk-portrait-start):focus-visible {
outline: 3px solid var(--rk-emerald); outline-offset: 3px;
}
.rk-sb-detail .rk-portrait-spread {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 8px;
height: var(--rk-portrait-height);
width: min(100%, calc(var(--rk-portrait-height) * 1.5 + 8px));
margin-inline: auto;
touch-action: pan-y pinch-zoom;
}
.rk-sb-detail .rk-portrait-reader .rk-sb-page.has-art {
display: block; height: 100%; min-height: 0; padding: 0; border: 0;
border-radius: 4px; background: transparent; box-shadow: none; overflow: visible;
}
.rk-sb-detail .rk-portrait-reader .rk-sb-page.has-art[hidden],
.rk-sb-detail .rk-portrait-reader .rk-portrait-text-page[hidden] { display: none; }
.rk-sb-detail .rk-portrait-page-button {
display: block; width: 100%; height: 100%; padding: 0; border: 0; background: transparent;
cursor: zoom-in;
}
.rk-sb-detail .rk-portrait-reader .rk-sb-page.has-art .rk-sb-page-img {
display: block; width: 100%; height: 100%; min-height: 0; max-height: none;
margin: 0; border-radius: 4px; object-fit: contain;
}
.rk-sb-detail .rk-portrait-controls { max-width: 968px; margin: 18px auto 0; }
.rk-sb-detail .rk-portrait-count { color: var(--rk-ink-soft); font-size: 14px; text-align: center; }
.rk-sb-detail .rk-portrait-transcript { margin-top: 18px; border-top: 1px solid var(--rk-line); }
.rk-sb-detail .rk-portrait-transcript summary { width: fit-content; min-height: 44px; padding-block: 12px; cursor: pointer; color: var(--rk-emerald); font-weight: 600; }
.rk-sb-detail .rk-portrait-text-page { max-width: 720px; margin: 12px auto 20px; }
.rk-sb-detail .rk-portrait-text-page h3 { margin: 0 0 8px; font: 700 14px/1.4 var(--rk-font-body); color: var(--rk-ink-muted); }
.rk-sb-detail .rk-portrait-text-page .rk-sb-page-text { display: block; padding: 0; margin: 0; min-height: 0; background: transparent; font-size: 18px; line-height: 1.65; }
.rk-sb-detail .rk-portrait-start { display: inline-block; margin: 0 20px 16px 0; color: var(--rk-emerald); font-weight: 700; text-underline-offset: 4px; }
.rk-sb-detail .rk-portrait-zoom {
width: min(1120px, calc(100vw - 32px)); max-width: none; max-height: calc(100svh - 32px);
padding: 18px; border: 1px solid var(--rk-line); border-radius: 16px;
color: var(--rk-ink); background: var(--rk-paper); overflow: hidden;
}
.rk-sb-detail .rk-portrait-zoom::backdrop { background: rgba(0, 0, 0, .65); }
.rk-sb-detail .rk-portrait-zoom-nav { margin: 10px 0; }
.rk-sb-detail .rk-portrait-zoom-body { max-height: calc(100svh - 190px); overflow: auto; overscroll-behavior: contain; }
.rk-sb-detail .rk-portrait-zoom-body img { display: block; width: 100%; min-width: 640px; max-width: none; height: auto; margin: 0 auto; }
@media (max-width: 767px) {
.rk-sb-detail .rk-portrait-spread { grid-template-columns: minmax(0, 1fr); width: 100%; height: min(calc((100vw - 68px) * 4 / 3), var(--rk-portrait-height)); }
#lp-public main.rk-sb-detail .rk-portrait-heading h2 { font-size: 18px; }
.rk-sb-detail .rk-portrait-controls { gap: 8px; }
.rk-sb-detail .rk-portrait-button { padding-inline: 12px; font-size: 14px; }
.rk-sb-detail .rk-portrait-count { font-size: 12px; }
}
.rk-sb-detail .rk-reader-modes { display: flex; flex-wrap: wrap; gap: 8px; }
.rk-sb-detail .rk-reader-modes [aria-pressed="true"] { background: var(--rk-emerald); border-color: var(--rk-emerald); color: white; }
.rk-sb-detail .rk-reader-modes [aria-pressed="true"]:hover { color: white; }
.rk-sb-detail .rk-portrait-heading { flex-wrap: wrap; }
.rk-sb-detail .rk-portrait-controls[hidden],
.rk-sb-detail .rk-portrait-transcript[hidden] { display: none; }
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-portrait-spread {
grid-template-columns: minmax(0, 1fr); width: 100%; height: auto;
}
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-sb-page.has-art {
display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: center;
}
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-portrait-page-button {
height: var(--rk-portrait-height); min-height: 240px;
}
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-sb-page .rk-sb-page-text {
order: initial; min-height: 0; min-block-size: 0; padding: clamp(20px, 3vw, 44px);
font-size: clamp(18px, 1.6vw, 24px); line-height: 1.65;
}
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-sb-page[hidden] { display: none; }
.rk-sb-detail .rk-reader-scroll .rk-portrait-spread {
display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; width: 100%; height: auto;
}
.rk-sb-detail .rk-reader-scroll .rk-portrait-page-button { height: auto; }
.rk-sb-detail .rk-reader-scroll .rk-sb-page.has-art .rk-sb-page-img {
width: 100%; height: auto; block-size: auto; aspect-ratio: auto; object-fit: contain;
}
.rk-sb-art-text .rk-reader-scroll .rk-sb-page.has-art { grid-template-columns: minmax(0, 1fr); max-width: 720px; margin-inline: auto; }
.rk-sb-detail .rk-reader-scroll { scroll-margin-top: 96px; }
@media (max-width: 767px) {
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-sb-page.has-art { grid-template-columns: minmax(0, 1fr); }
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-portrait-page-button { height: auto; min-height: 0; }
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-sb-page.has-art .rk-sb-page-img { height: auto; max-height: 340px; aspect-ratio: auto; }
.rk-sb-detail .rk-reader-illustrated.rk-portrait-reader .rk-sb-page .rk-sb-page-text { padding: 20px 8px 8px; }
}