/* Rosmerta Flipbook reader styles. */
.riat-fb, .riat-fb-reader, .riat-fb-overlay, .riat-fb-shelf { --riat-fb-accent: #6c1f18; --riat-fb-bg: #f4efe6; }

/* Inline container */
.riat-fb { position: relative; width: 100%; min-height: 480px; background: var(--riat-fb-bg); border-radius: 8px; overflow: hidden; }
.riat-fb-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #6b6257; font-style: italic; }

/* Reader layout */
.riat-fb-reader { display: flex; flex-direction: column; background: var(--riat-fb-bg); color: #2b2620; height: 100%; min-height: 480px; }
.riat-fb-reader.is-dark { --riat-fb-bg: #201d1a; color: #e9e4da; }

.riat-fb-stage { flex: 1; display: flex; align-items: center; justify-content: center; padding: 1rem; overflow: hidden; transform-origin: center center; }
.riat-fb-flip { margin: 0 auto; }

/* Toolbar */
.riat-fb-toolbar { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .5rem .75rem; background: rgba(0,0,0,.05); }
.is-dark .riat-fb-toolbar { background: rgba(255,255,255,.06); }
.riat-fb-tb-group { display: flex; align-items: center; gap: .25rem; }
.riat-fb-counter { font-size: .85rem; min-width: 3.5rem; text-align: center; opacity: .8; }

.riat-fb-btn { width: 2.1rem; height: 2.1rem; border: none; border-radius: 5px; background: transparent; color: inherit; cursor: pointer; font-size: 1.05rem; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.riat-fb-btn:hover { background: rgba(0,0,0,.08); }
.is-dark .riat-fb-btn:hover { background: rgba(255,255,255,.12); }
.riat-fb-btn::before { display: block; }
.riat-fb-prev::before { content: "\2039"; font-size: 1.5rem; }
.riat-fb-next::before { content: "\203A"; font-size: 1.5rem; }
.riat-fb-thumbtoggle::before { content: "\25A6"; }
.riat-fb-zoomin::before { content: "+"; font-weight: 700; }
.riat-fb-zoomout::before { content: "\2212"; font-weight: 700; }
.riat-fb-theme::before { content: "\25D0"; }
.riat-fb-share::before { content: "\2197"; }
.riat-fb-download::before { content: "\2913"; }
.riat-fb-print::before { content: "\239C"; }
.riat-fb-fs::before { content: "\26F6"; }
.riat-fb-close::before { content: "\2715"; }

/* Thumbnails */
.riat-fb-thumbs { display: none; gap: .4rem; padding: .5rem; overflow-x: auto; background: rgba(0,0,0,.06); }
.riat-fb-thumbs.is-open { display: flex; }
.riat-fb-thumb { flex: 0 0 auto; width: 60px; height: 80px; border: 2px solid transparent; border-radius: 3px; padding: 0; background: none; cursor: pointer; overflow: hidden; }
.riat-fb-thumb:hover { border-color: var(--riat-fb-accent); }
.riat-fb-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.riat-fb-credit { text-align: center; font-size: .72rem; opacity: .55; padding: .25rem; }
.riat-fb-fallback { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .75rem; padding: 2rem; text-align: center; }
.riat-fb-btn-text, .riat-fb-fallback a { display: inline-block; background: var(--riat-fb-accent); color: #fff; padding: .5rem 1rem; border-radius: 5px; text-decoration: none; }

/* Popup / lightbox */
.riat-fb-noscroll { overflow: hidden; }
.riat-fb-overlay { position: fixed; inset: 0; z-index: 100000; background: rgba(20,16,12,.9); display: flex; align-items: center; justify-content: center; padding: 2vh 2vw; }
.riat-fb-popup { width: 100%; max-width: 1200px; height: 96vh; background: var(--riat-fb-bg); border-radius: 8px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.riat-fb-overlay .riat-fb-reader { height: 100%; }
.riat-fb-overlay .riat-fb-close { position: absolute; top: 1rem; right: 1rem; width: 2.6rem; height: 2.6rem; background: rgba(255,255,255,.15); color: #fff; font-size: 1.2rem; z-index: 2; }
.riat-fb-overlay .riat-fb-close:hover { background: rgba(255,255,255,.3); }

/* Popup / cover trigger */
.riat-fb-open { display: inline-block; padding: 0; border: none; background: none; cursor: pointer; border-radius: 6px; overflow: hidden; line-height: 0; }
.riat-fb-open img { max-width: 260px; height: auto; display: block; box-shadow: 0 8px 24px rgba(0,0,0,.22); transition: transform .2s; }
.riat-fb-open:hover img { transform: translateY(-3px); }
.riat-fb-open-label { display: inline-block; line-height: normal; background: var(--riat-fb-accent); color: #fff; padding: .6rem 1.2rem; border-radius: 5px; font-weight: 600; }

/* Bookshelf / library */
.riat-fb-shelf { display: grid; grid-template-columns: repeat(var(--riat-fb-cols, 4), 1fr); gap: 1.5rem; align-items: start; }
.riat-fb-shelf-item { display: block; padding: 0; border: none; background: none; cursor: pointer; text-align: center; text-decoration: none; color: inherit; }
.riat-fb-shelf-item img { width: 100%; height: auto; border-radius: 4px; box-shadow: 0 8px 22px rgba(0,0,0,.2); transition: transform .2s, box-shadow .2s; display: block; }
.riat-fb-shelf-item:hover img { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,.28); }
.riat-fb-shelf-noimg { display: flex; align-items: center; justify-content: center; aspect-ratio: 3/4; background: var(--riat-fb-accent); color: #fff; border-radius: 4px; padding: 1rem; font-weight: 600; }
.riat-fb-shelf-title { display: block; margin-top: .5rem; font-size: .9rem; line-height: 1.3; }

@media (max-width: 782px) {
	.riat-fb-shelf { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
	.riat-fb-popup { height: 92vh; }
}
@media (prefers-reduced-motion: reduce) {
	.riat-fb-open img, .riat-fb-shelf-item img { transition: none; }
}

/* ── Library: search + cover shelf + reading area (rosmerta_library) ───────── */
.riat-lib { margin: 1rem 0; }
.riat-lib-search { margin: 0 0 1.2rem; }
.riat-lib-search input { width: 100%; max-width: 420px; padding: .6rem .85rem; border: 1px solid #d9d5cc; border-radius: 8px; font-size: 1rem; color: #1F2320; background: #fff; }
.riat-lib-search input:focus { outline: none; border-color: #2E5B52; box-shadow: 0 0 0 3px rgba(46,91,82,.15); }

/* shelf: books standing spine-out on a ledge */
.riat-lib-shelf { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 32px 0; padding: 10px 0 0; }
.riat-lib-item { position: relative; cursor: pointer; border: 0; margin: 0; padding: 16px 0; flex: 0 0 auto;
	width: 52px; height: var(--sh, 236px);
	display: flex; align-items: center; justify-content: center;
	color: #f4efe6; background: var(--spine, #4a4238);
	background-image: linear-gradient(90deg, rgba(255,255,255,.20), rgba(255,255,255,0) 20%, rgba(0,0,0,0) 80%, rgba(0,0,0,.30));
	border-radius: 3px 5px 5px 3px;
	border-bottom: 6px solid #8a7256; /* the shelf ledge — continuous across touching spines */
	box-shadow: 0 6px 8px -4px rgba(0,0,0,.45), inset 0 0 0 1px rgba(0,0,0,.14);
	transition: transform .16s ease, box-shadow .16s ease; }
.riat-lib-item::before, .riat-lib-item::after { content: ""; position: absolute; left: 3px; right: 3px; height: 3px; background: rgba(255,255,255,.18); }
.riat-lib-item::before { top: 16px; }
.riat-lib-item::after  { bottom: 22px; }
.riat-lib-item-title { writing-mode: vertical-rl; white-space: nowrap; overflow: hidden;
	max-height: calc(var(--sh, 236px) - 56px);
	font-size: .8rem; font-weight: 600; letter-spacing: .01em; text-shadow: 0 1px 1px rgba(0,0,0,.25); }
.riat-lib-item:hover, .riat-lib-item:focus { transform: translateY(-12px); outline: none;
	box-shadow: 0 16px 22px -8px rgba(0,0,0,.5), inset 0 0 0 1px rgba(0,0,0,.14); }
.riat-lib-item.is-current { transform: translateY(-16px);
	box-shadow: 0 18px 24px -8px rgba(0,0,0,.5), 0 0 0 3px #2E5B52; }

/* coming-soon spine: greyer, desaturated, still legible */
.riat-lib-item.is-coming-soon { filter: grayscale(0.75); opacity: 0.55; }
.riat-lib-item.is-coming-soon:hover, .riat-lib-item.is-coming-soon:focus { opacity: 0.72; }
.riat-lib-item.is-coming-soon.is-current { opacity: 0.85; }

/* reading area */
.riat-lib-reader { margin-top: 2rem; min-height: 60px; }
.riat-lib-reader .riat-fb { min-height: 520px; }
.riat-lib-hint { text-align: center; color: #6b675f; font-style: italic; padding: 1.6rem 0; margin: 0; }

/* overlay card shown when a spine is picked */
.riat-lib-card { max-width: 640px; margin: 0 auto; padding: 1.6rem 1.75rem; background: #fbfaf7; border: 1px solid #e4e0d6; border-radius: 12px; box-shadow: 0 10px 30px -12px rgba(31,35,32,.25); color: #1F2320; }
.riat-lib-card.is-clickable { cursor: pointer; }
.riat-lib-card-cover { display: block; width: auto; max-width: 210px; max-height: 320px; margin: 0 auto 1.2rem; border-radius: 6px; box-shadow: 0 10px 26px -10px rgba(31,35,32,.5); }
.riat-lib-card-title { margin: .5rem 0 .4rem; font-size: 1.4rem; line-height: 1.25; color: #1F2320; }
.riat-lib-card-desc { margin: 0 0 1.1rem; color: #3c423d; line-height: 1.55; }
.riat-lib-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.riat-lib-card-read { border: 0; cursor: pointer; background: #2E5B52; color: #fbfaf7; font-size: 1rem; font-weight: 600; padding: .6rem 1.25rem; border-radius: 8px; }
.riat-lib-card-read:hover { background: #244a43; }
.riat-lib-card-find, .riat-lib-findlink { color: #2E5B52; font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(46,91,82,.35); }
.riat-lib-card-find:hover, .riat-lib-findlink:hover { border-bottom-color: #2E5B52; }

/* second buy route: direct from the publisher. Deliberately quieter than the
   retailer link, which stays the primary call to action. */
.riat-lib-card-direct, .riat-lib-findlink.is-direct { color: #6b675f; font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(107,103,95,.3); }
.riat-lib-card-direct:hover, .riat-lib-findlink.is-direct:hover { color: #1F2320; border-bottom-color: #1F2320; }

/* badge pill */
.riat-lib-badge { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: .22rem .6rem; border-radius: 999px; }
.riat-lib-badge.is-preview { background: rgba(46,91,82,.14); color: #2E5B52; }
.riat-lib-badge.is-soon { background: rgba(31,35,32,.08); color: #6b675f; }

/* preview footer bar under the reader */
.riat-lib-previewbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .75rem; margin-top: 1rem; padding: .85rem 1.1rem; background: #f2f4f1; border: 1px solid #e0e6e1; border-radius: 10px; text-align: center; }
.riat-lib-previewnote { color: #3c423d; font-size: .95rem; }

@media (max-width: 600px) {
	.riat-lib-item { width: 46px; }
	.riat-lib-card { padding: 1.25rem 1.1rem; }
	.riat-lib-card-title { font-size: 1.2rem; }
	.riat-lib-card-read { width: 100%; }
}


/* Book trailer on a library card. Vertical 9:16 to match the source videos and
   the blog embeds. The player is only inserted on click, so this holds no space
   until then. */
.riat-lib-card-trailer{margin:.9rem 0 0}
.riat-lib-card-watch{display:inline-block;padding:.5rem .9rem;border:1px solid currentColor;
  background:none;border-radius:4px;cursor:pointer;font:inherit}
.riat-lib-card-watch:hover,.riat-lib-card-watch:focus-visible{opacity:.8}
.riat-lib-trailer-frame{max-width:300px;margin:.75rem auto 0;aspect-ratio:9/16}
.riat-lib-trailer-frame iframe{width:100%;height:100%;border:0;border-radius:8px;display:block}
@media(max-width:600px){.riat-lib-trailer-frame{max-width:240px}}