/*
 * Schnurrbartfritz – Produktseiten. Baut auf sbf.css und home.css auf.
 */

.sbf-bk-crumbs { padding-top: 18px; padding-bottom: 0; font-size: .92rem; color: var(--sbf-muted); }
.sbf-bk-crumbs a { color: var(--sbf-night); font-weight: 700; text-decoration: none; }
.sbf-bk-crumbs a:hover { text-decoration: underline; }

/* ---------- Kopf ---------- */
.sbf-bk-head { padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 72px); background: linear-gradient(180deg, #fff 0%, var(--sbf-cream) 100%); }
.sbf-bk-head-grid { display: grid; grid-template-columns: 380px 1fr; gap: clamp(24px, 5vw, 64px); align-items: center; }
.sbf-bk-cover img { width: 100%; height: auto; border-radius: 12px; box-shadow: 0 24px 48px rgba(11, 20, 64, .35); }
.sbf-bk-intro h1 { font-family: var(--sbf-font); font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1.1; color: var(--sbf-night); margin: 6px 0 10px; }
.sbf-bk-subtitle { font-size: 1.15rem; font-weight: 700; color: var(--sbf-orange); margin: 0 0 14px; }
.sbf-bk-short { font-size: 1.12rem; line-height: 1.65; margin: 0 0 18px; }
.sbf-bk-intro .sbf-hp-badge { margin-bottom: 18px; }
.sbf-bk-intro .sbf-hp-buttons { margin-top: 6px; }
@media (max-width: 760px) {
	.sbf-bk-head-grid { grid-template-columns: 1fr; text-align: center; }
	.sbf-bk-cover { max-width: 260px; margin: 0 auto; }
	.sbf-bk-intro .sbf-hp-buttons { justify-content: center; }
}

/* Sterne: Füllgrad über --r (0–5) */
.sbf-bk-rating { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-weight: 700; margin: 0 0 12px; }
.sbf-bk-stars { --r: 0; position: relative; display: inline-block; font-size: 1.3rem; line-height: 1; letter-spacing: 2px; }
.sbf-bk-stars::before { content: "★★★★★"; color: #d9cdb5; }
.sbf-bk-stars::after {
	content: "★★★★★"; position: absolute; left: 0; top: 0; overflow: hidden; white-space: nowrap;
	width: calc(var(--r) / 5 * 100%); color: var(--sbf-gold-deep);
}

/* ---------- Beschreibung ---------- */
.sbf-bk-desc { background: #fff; }
.sbf-bk-text { font-size: 1.1rem; line-height: 1.75; }

/* ---------- Inhaltsverzeichnis ---------- */
.sbf-bk-toc { background: var(--sbf-cream); }
.sbf-bk-toc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.sbf-bk-toc-list li { display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start; background: #fff; border-radius: var(--sbf-radius); padding: 18px 20px; box-shadow: 0 4px 14px rgba(11, 20, 64, .08); }
.sbf-bk-toc-no { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--sbf-night); color: var(--sbf-gold); font-weight: 900; font-size: 1.15rem; }
.sbf-bk-toc-list h3 { margin: 6px 0 4px; font-size: 1.2rem; color: var(--sbf-night); }
.sbf-bk-toc-list p { margin: 0; line-height: 1.6; color: var(--sbf-ink); }

/* ---------- Formate ---------- */
.sbf-bk-formats { background: #fff; }
.sbf-bk-table { width: 100%; border-collapse: separate; border-spacing: 0 10px; margin: 0; }
.sbf-bk-table thead th { text-align: left; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--sbf-muted); padding: 0 14px; border: 0; background: none; }
.sbf-bk-table tbody th, .sbf-bk-table td { background: var(--sbf-cream); padding: 16px 14px; border: 0; vertical-align: middle; text-align: left; }
.sbf-bk-table tbody th { font-size: 1.15rem; color: var(--sbf-night); border-radius: var(--sbf-radius-sm) 0 0 var(--sbf-radius-sm); }
.sbf-bk-table td:last-child { border-radius: 0 var(--sbf-radius-sm) var(--sbf-radius-sm) 0; text-align: right; white-space: nowrap; }
.sbf-bk-price { font-size: 1.25rem; font-weight: 900; color: var(--sbf-night); white-space: nowrap; }
.sbf-bk-buy small { display: block; margin-top: 4px; color: var(--sbf-muted); font-size: .82rem; text-align: center; }
.sbf-bk-buy .sbf-btn { min-width: 150px; text-align: center; }
.sbf-btn-soon { background: #fff; color: var(--sbf-night) !important; border-color: var(--sbf-gold-deep); }
.sbf-btn-soon:hover { background: var(--sbf-cream-2); }
.sbf-btn-soon.is-requested { border-color: var(--sbf-ok); color: var(--sbf-ok) !important; }
button.sbf-btn-soon:focus, button.sbf-btn-soon:active { background: #fff; }
button.sbf-btn-soon:hover { background: var(--sbf-cream-2); }
.sbf-bk-hint { color: var(--sbf-muted); font-size: .95rem; margin: 10px 0 0; }
@media (max-width: 640px) {
	.sbf-bk-table thead { display: none; }
	.sbf-bk-table, .sbf-bk-table tbody, .sbf-bk-table tr { display: block; }
	.sbf-bk-table tr { background: var(--sbf-cream); border-radius: var(--sbf-radius); padding: 16px; margin-bottom: 12px; }
	.sbf-bk-table tbody th, .sbf-bk-table td { display: block; padding: 4px 0; background: none; border-radius: 0 !important; text-align: left !important; }
	.sbf-bk-buy { padding-top: 12px !important; }
	.sbf-bk-buy .sbf-btn { width: 100%; box-sizing: border-box; }
}

/* ---------- Modal ---------- */
.sbf-modal {
	width: min(520px, calc(100vw - 32px)); box-sizing: border-box; border: 0; border-radius: var(--sbf-radius);
	padding: 28px 26px 22px; background: var(--sbf-cream); color: var(--sbf-ink); font-family: var(--sbf-font);
	box-shadow: 0 30px 80px rgba(11, 20, 64, .45);
}
.sbf-modal::backdrop { background: rgba(11, 20, 64, .6); }
.sbf-modal h2 { margin: 0 0 12px; font-size: 1.45rem; color: var(--sbf-night); padding-right: 28px; }
.sbf-modal p { line-height: 1.6; margin: 0 0 12px; }
.sbf-modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0 !important; }
.sbf-modal-x,
.sbf-modal-x:focus {
	position: absolute; top: 10px; right: 12px; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 50%;
	background: transparent !important; color: var(--sbf-night) !important; box-shadow: none !important;
	font-size: 1.6rem; line-height: 1; cursor: pointer;
}
.sbf-modal-x:hover { background: var(--sbf-cream-2) !important; }
.sbf-modal-x:focus-visible { outline: 3px solid var(--sbf-sky); outline-offset: 2px; }

/* ---------- Bewertungen ---------- */
.sbf-bk-reviews { background: var(--sbf-cream-2); }
.sbf-bk-review-list { list-style: none; margin: 0 0 24px; padding: 0; }
.sbf-bk-review-list blockquote { margin: 0 0 10px; padding: 0; border: 0; font-size: 1.08rem; line-height: 1.6; font-style: normal; }
.sbf-bk-reviews .sbf-hp-lead { margin-bottom: 20px; }

/* ---------- Leserclub & weitere Bände ---------- */
.sbf-bk-club { background: var(--sbf-night); }
.sbf-bk-club h2 { color: var(--sbf-gold); }
.sbf-bk-club .sbf-hp-lead { color: #e9ecff; }
.sbf-bk-more { background: #fff; }
.sbf-bk-more-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sbf-bk-more-list a { display: flex; flex-direction: column; gap: 4px; text-decoration: none; }
.sbf-bk-more-list img { width: 100%; height: auto; border-radius: 8px; box-shadow: 0 8px 18px rgba(11, 20, 64, .2); transition: transform .15s ease; }
.sbf-bk-more-list a:hover img { transform: translateY(-4px); }
@media (max-width: 760px) { .sbf-bk-more-list { grid-template-columns: repeat(2, 1fr); } }

/* Interne Verlinkung: Sammelband-Hinweis, verlinkte Bände, aufgefächerte Cover bei Sammelbänden */
.sbf-bk-incoll { margin: 0 0 14px; font-size: .98rem; color: var(--sbf-ink); }
.sbf-bk-incoll a, .sbf-bk-toc-list h3 a { color: var(--sbf-night); text-decoration: underline; text-decoration-color: var(--sbf-gold); text-underline-offset: 3px; }
.sbf-bk-incoll a:hover, .sbf-bk-toc-list h3 a:hover { text-decoration-thickness: 2px; }
.sbf-bk-more-stack { position: relative; display: block; aspect-ratio: 1 / 1; margin-bottom: 6px; }
.sbf-bk-more-list .sbf-bk-more-stack img { position: absolute; top: 8%; left: 50%; width: 58%; }
.sbf-bk-more-list .sbf-bk-more-stack img:nth-child(1) { transform: translateX(-92%) rotate(-8deg); }
.sbf-bk-more-list .sbf-bk-more-stack img:nth-child(2) { transform: translateX(-50%); top: 2%; z-index: 2; }
.sbf-bk-more-list .sbf-bk-more-stack img:nth-child(3) { transform: translateX(-8%) rotate(8deg); }
.sbf-bk-more-list a:hover .sbf-bk-more-stack img { transform: none; }
.sbf-bk-more-list a:hover .sbf-bk-more-stack img:nth-child(1) { transform: translateX(-92%) rotate(-8deg) translateY(-4px); }
.sbf-bk-more-list a:hover .sbf-bk-more-stack img:nth-child(2) { transform: translateX(-50%) translateY(-4px); }
.sbf-bk-more-list a:hover .sbf-bk-more-stack img:nth-child(3) { transform: translateX(-8%) rotate(8deg) translateY(-4px); }