/* Books by Trudy - Template CSS (eigenständig, ohne Larry-Tokens)
   Neutral: cream/ink, Cover im Vordergrund. Instrument Serif (Titel) + Inter (Text).
   Reines CSS: Custom Properties, Container Queries, flaches Nesting-freies Layout. */

@font-face { font-family: "Instrument Serif"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/instrument-serif-400.woff2") format("woff2"); }
@font-face { font-family: "Instrument Serif"; font-style: italic; font-weight: 400; font-display: swap;
  src: url("../fonts/instrument-serif-400-italic.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url("../fonts/inter-var.woff2") format("woff2"); }

:root {
  --bbt-cream: #f7f4ee;
  --bbt-paper: #fffdf8;
  --bbt-ink: #0d0c0f;
  --bbt-ink-soft: #4a4640;
  --bbt-line: #d9d2c4;
  --bbt-accent: #6b0e12;           /* nur für Links/Fokus, nie als Fläche */
  --bbt-radius: 6px;
  --bbt-font-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --bbt-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  /* fluid type + space (Watch bis TV) */
  --bbt-step-0: clamp(1rem, 0.96rem + 0.2vw, 1.15rem);
  --bbt-step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --bbt-step-2: clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem);
  --bbt-step-3: clamp(2rem, 1.5rem + 2.4vw, 3.6rem);
  --bbt-space: clamp(1rem, 0.8rem + 1vw, 2rem);
  --bbt-measure: 68ch;
  --bbt-page: min(100% - 2 * var(--bbt-space), 78rem);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scrollbar-gutter: stable both-edges; }
body.bbt {
  margin: 0; background: var(--bbt-cream); color: var(--bbt-ink);
  font: 400 var(--bbt-step-0)/1.65 var(--bbt-font-sans);
  min-height: 100dvh; display: flex; flex-direction: column;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, video { max-width: 100%; height: auto; }
a { color: var(--bbt-accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--bbt-accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3, .bbt-brand__name {
  font-family: var(--bbt-font-serif); font-weight: 400; line-height: 1.1; letter-spacing: -0.01em; text-wrap: balance;
}
h1 { font-size: var(--bbt-step-3); margin: 0 0 0.5em; }
h2 { font-size: var(--bbt-step-2); margin: 1.4em 0 0.4em; }
h3 { font-size: var(--bbt-step-1); margin: 1.2em 0 0.3em; }
p { margin: 0 0 1em; }

.bbt-wrap { width: var(--bbt-page); margin-inline: auto; }
.bbt-skip { position: absolute; left: -999px; top: 0; background: var(--bbt-ink); color: var(--bbt-cream); padding: .6rem 1rem; z-index: 100; }
.bbt-skip:focus { left: 0; }

/* ---------- Header / Navigation ---------- */
.bbt-header { border-bottom: 1px solid var(--bbt-line); background: var(--bbt-cream); position: sticky; top: 0; z-index: 50; }
.bbt-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .9rem; flex-wrap: wrap; }
.bbt-brand { display: flex; flex-direction: column; text-decoration: none; color: var(--bbt-ink); line-height: 1.05; }
.bbt-brand__name { font-size: var(--bbt-step-2); }
.bbt-brand__tag { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bbt-ink-soft); margin-top: .25rem; }

.bbt-nav { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.bbt-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem 1.25rem; flex-wrap: wrap; align-items: center; }
.bbt-nav li { position: relative; }
.bbt-nav a, .bbt-nav .mod-menu__heading { color: var(--bbt-ink); text-decoration: none; padding: .45rem 0; display: inline-block; font-size: .95rem; font-weight: 500; border-bottom: 2px solid transparent; }
.bbt-nav a:hover, .bbt-nav li.active > a, .bbt-nav li.current > a { border-bottom-color: var(--bbt-ink); }
.bbt-nav li.deeper > ul {
  position: absolute; left: -1rem; top: 100%; min-width: 16rem; flex-direction: column; align-items: stretch; gap: 0;
  background: var(--bbt-paper); border: 1px solid var(--bbt-line); border-radius: var(--bbt-radius);
  box-shadow: 0 12px 32px -16px rgb(13 12 15 / .35); padding: .4rem 1rem; display: none; z-index: 10;
}
.bbt-nav li.deeper:hover > ul, .bbt-nav li.deeper:focus-within > ul { display: flex; }
.bbt-nav li.deeper > ul a { display: block; padding: .5rem 0; font-weight: 400; border-bottom: 0; }
.bbt-nav li.deeper > ul a:hover { text-decoration: underline; }
.bbt-nav .mod-languages ul { gap: .5rem; }
.bbt-nav .mod-languages a { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; padding: .2rem .45rem; border: 1px solid var(--bbt-line); border-radius: 99px; }
.bbt-nav .mod-languages li.lang-active a { background: var(--bbt-ink); color: var(--bbt-cream); border-color: var(--bbt-ink); }

.bbt-navtoggle { display: none; background: none; border: 1px solid var(--bbt-ink); border-radius: var(--bbt-radius); width: 2.75rem; height: 2.75rem; cursor: pointer; position: relative; }
.bbt-navtoggle__bar, .bbt-navtoggle__bar::before, .bbt-navtoggle__bar::after { content: ""; position: absolute; left: 50%; width: 1.2rem; height: 2px; background: var(--bbt-ink); transform: translateX(-50%); transition: transform .2s, opacity .2s; }
.bbt-navtoggle__bar { top: 50%; }
.bbt-navtoggle__bar::before { top: -6px; left: 50%; }
.bbt-navtoggle__bar::after { top: 6px; left: 50%; }
.bbt-navtoggle[aria-expanded="true"] .bbt-navtoggle__bar { background: transparent; }
.bbt-navtoggle[aria-expanded="true"] .bbt-navtoggle__bar::before { transform: translateX(-50%) translateY(6px) rotate(45deg); }
.bbt-navtoggle[aria-expanded="true"] .bbt-navtoggle__bar::after { transform: translateX(-50%) translateY(-6px) rotate(-45deg); }

@media (max-width: 52rem) {
  .bbt-navtoggle { display: block; }
  .bbt-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; padding-block: .5rem 1rem; }
  .bbt-nav.is-open { display: flex; }
  .bbt-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .bbt-nav a { display: block; padding: .7rem 0; border-bottom: 1px solid var(--bbt-line); }
  .bbt-nav li.deeper > ul { position: static; display: flex; border: 0; box-shadow: none; background: none; padding: 0 0 0 1rem; min-width: 0; }
  .bbt-nav .mod-languages ul { flex-direction: row; padding-top: .5rem; }
  .bbt-nav .mod-languages a { display: inline-block; border: 1px solid var(--bbt-line); padding: .35rem .7rem; }
}

/* ---------- Seite ---------- */
.bbt-crumbs { padding-top: 1rem; font-size: .82rem; color: var(--bbt-ink-soft); }
.bbt-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0; }
.bbt-crumbs li:not(.mod-breadcrumbs__here) ~ li::before { content: "/"; margin-right: .4rem; color: var(--bbt-line); }
.bbt-crumbs .mod-breadcrumbs__here { display: none; }
.bbt-crumbs a { color: var(--bbt-ink-soft); }
.bbt-main { flex: 1; padding-block: var(--bbt-space) calc(var(--bbt-space) * 2); }

/* ---------- Buchseite: Cover links | Linie | Text rechts ---------- */
.bbt-book { display: grid; grid-template-columns: minmax(9rem, clamp(10rem, 24vw, 17rem)) minmax(0, 1fr); column-gap: calc(var(--bbt-space) * 1.5); align-items: start; }
.bbt-book__cover { position: sticky; top: 6.5rem; margin: 0; }
.bbt-book__cover img { display: block; width: 100%; height: auto; border-radius: 3px; box-shadow: 0 18px 40px -22px rgb(13 12 15 / .55), 0 2px 6px rgb(13 12 15 / .12); }
.bbt-book__text { border-left: 1px solid var(--bbt-line); padding-left: calc(var(--bbt-space) * 1.5); max-width: calc(var(--bbt-measure) + 6rem); }
.bbt-book__text > :first-child { margin-top: 0; }
.bbt-article--plain { max-width: var(--bbt-measure); }
.bbt-prose img { border-radius: 3px; }
.bbt-prose a img { vertical-align: middle; }
.bbt-prose p[style*="justify"] { text-align: start !important; }
.bbt-prose [style*="font-family"], .bbt-prose [style*="font-size"] { font-family: inherit !important; font-size: inherit !important; }
.bbt-prose .jm-module-content-bg, .bbt-prose .jm-module-content, .bbt-prose .custom { display: block; }
.bbt-prose .custom > p:first-child:has(> img[style*="float"]) { float: left; margin: 0 var(--bbt-space) var(--bbt-space) 0; }
.bbt-prose::after { content: ""; display: block; clear: both; }
.bbt-prose blockquote { margin: 1.5em 0; padding-left: 1.2em; border-left: 2px solid var(--bbt-ink); font-family: var(--bbt-font-serif); font-size: var(--bbt-step-1); }
.bbt-prose hr { border: 0; border-top: 1px solid var(--bbt-line); margin: 2em 0; }

@media (max-width: 44rem) {
  .bbt-book { grid-template-columns: 1fr; row-gap: var(--bbt-space); }
  .bbt-book__cover { position: static; width: min(60%, 16rem); margin-inline: auto; }
  .bbt-book__text { border-left: 0; padding-left: 0; border-top: 1px solid var(--bbt-line); padding-top: var(--bbt-space); }
}
@media (max-width: 22.5rem) { .bbt-book__cover { width: 80%; } }

/* ---------- Buchregal (Kategorie-Landing) ---------- */
.bbt-shelf { container-type: inline-size; container-name: shelf; }
.bbt-shelf__intro { max-width: var(--bbt-measure); color: var(--bbt-ink-soft); }
.bbt-shelf__grid { list-style: none; margin: var(--bbt-space) 0 0; padding: 0; display: grid; gap: var(--bbt-space); grid-template-columns: 1fr; }
.bbt-card { display: grid; grid-template-columns: minmax(8rem, 11rem) 1fr; gap: 1.25rem; padding: 1.25rem; background: var(--bbt-paper); border: 1px solid var(--bbt-line); border-radius: var(--bbt-radius); transition: border-color .2s, transform .2s; }
.bbt-card:hover, .bbt-card:focus-within { border-color: var(--bbt-ink); transform: translateY(-2px); }
.bbt-card__cover { aspect-ratio: 2 / 3; overflow: hidden; border-radius: 3px; box-shadow: 0 10px 24px -16px rgb(13 12 15 / .6); }
.bbt-card__cover img { display: block; width: 100%; height: 100%; object-fit: cover; }
.bbt-card__title { font-family: var(--bbt-font-serif); font-size: var(--bbt-step-2); line-height: 1.1; margin: 0 0 .4rem; }
.bbt-card__title a { color: var(--bbt-ink); text-decoration: none; }
.bbt-card__title a::after { content: ""; position: absolute; inset: 0; }   /* ganze Karte klickbar */
.bbt-card { position: relative; }
.bbt-card__body p { font-size: .95rem; color: var(--bbt-ink-soft); margin: 0 0 .8rem; }
.bbt-card__more { font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--bbt-accent); }
@container shelf (min-width: 46rem) { .bbt-shelf__grid { grid-template-columns: repeat(2, 1fr); } }
@container shelf (max-width: 24rem) { .bbt-card { grid-template-columns: 1fr; } .bbt-card__cover { width: 55%; margin-inline: auto; } }

/* Home-Intro */
.bbt-home { max-width: var(--bbt-measure); }
.bbt-home h1 { font-size: var(--bbt-step-3); }

.bbt-btn { display: inline-block; padding: .7rem 1.2rem; background: var(--bbt-ink); color: var(--bbt-cream); border-radius: var(--bbt-radius); text-decoration: none; font-weight: 500; }
.bbt-btn:hover { background: var(--bbt-accent); }

/* ---------- Footer / Rechtstexte ---------- */
.bbt-footer { border-top: 1px solid var(--bbt-line); padding-block: 1.5rem; font-size: .85rem; color: var(--bbt-ink-soft); }
.bbt-footer__inner { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; align-items: center; }
.bbt-footer a { color: var(--bbt-ink-soft); }
.bbt-footer__copy { margin: 0; }
.bbt-footer ul { list-style: none; display: flex; gap: 1.25rem; margin: 0; padding: 0; }

/* Formulare (Kontakt) */
input[type=text], input[type=email], textarea, select { width: 100%; font: inherit; padding: .65rem .8rem; border: 1px solid var(--bbt-line); border-radius: var(--bbt-radius); background: var(--bbt-paper); color: var(--bbt-ink); }
button, .btn { font: inherit; }

.bbt-error { text-align: center; padding-block: 12vh; }
.bbt-error__code { font-family: var(--bbt-font-serif); font-size: clamp(5rem, 20vw, 12rem); margin: 0; line-height: 1; color: var(--bbt-line); }

/* Meldungen */
#system-message-container joomla-alert, .alert { display: block; padding: .8rem 1rem; border: 1px solid var(--bbt-line); background: var(--bbt-paper); border-radius: var(--bbt-radius); margin-bottom: 1rem; }

/* Große Bildschirme / TV */
@media (min-width: 120rem) { :root { --bbt-page: min(100% - 8rem, 100rem); } html { font-size: 112.5%; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* View Transitions als Enhancement */
@supports (view-transition-name: none) { @view-transition { navigation: auto; } .bbt-book__cover img { view-transition-name: bbt-cover; } }

@media print {
  .bbt-header, .bbt-footer, .bbt-crumbs, .bbt-navtoggle { display: none !important; }
  body.bbt { background: #fff; color: #000; }
  .bbt-book { display: block; } .bbt-book__text { border: 0; padding: 0; }
}

/* Sprachumschalter (Flaggen-Bilder) */
.bbt-nav .mod-languages img { display: block; width: 1.4rem; height: auto; }
.bbt-nav .mod-languages a { display: inline-flex; padding: .3rem .45rem; }
.bbt-nav .mod-languages li:not(.lang-active) a { opacity: .55; }
.bbt-nav .mod-languages li:not(.lang-active) a:hover, .bbt-nav .mod-languages li:not(.lang-active) a:focus-visible { opacity: 1; }

/* Feinschliff */
.bbt-nav .mod-languages ul { gap: .4rem; }
.bbt-nav .mod-languages a { min-width: 2.75rem; min-height: 2.75rem; align-items: center; justify-content: center; }
@media (min-width: 52.01rem) { .bbt-nav .mod-languages a { min-width: 0; min-height: 0; } }
.bbt-prose img[src*="amazon_logo"] { height: 1.25rem; width: auto; vertical-align: -0.25em; margin: 0 .25rem 0 0 !important; }
.bbt-prose p:empty, .bbt-prose p:has(> br:only-child) { display: none; }
.bbt-nav li.active > a[aria-current], .bbt-nav a[aria-current="page"] { border-bottom-color: var(--bbt-ink); }