/* betareader — mobil-first, ruhige Lese-Typografie */
:root {
  --bg: #faf8f4;
  --fg: #2b2b2b;
  --muted: #777;
  --accent: #3a6ea5;
  --accent-soft: #e3ecf5;
  --border: #e0dcd4;
  --sheet-bg: #fff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b19;
    --fg: #e6e2da;
    --muted: #999;
    --accent: #7aa7d4;
    --accent-soft: #2a3542;
    --border: #3a3833;
    --sheet-bg: #262522;
  }
}
* { box-sizing: border-box; }
:root { --content-width: 44rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Georgia, "Times New Roman", serif;
  font-size: var(--reader-font, 1.1rem);
  line-height: 1.65;
}
.container { max-width: var(--content-width); margin: 0 auto; padding: 1rem 1.2rem 4rem; }
/* Desktop: Platz besser nutzen — breitere Spalte, Schrift skaliert mit (User-Einstellung bleibt Basis) */
@media (min-width: 1000px) {
  :root { --content-width: 56rem; }
  body { font-size: calc(var(--reader-font, 1.1rem) * 1.18); }
  .container { padding: 1.5rem 2rem 5rem; }
}
/* Große Displays: Root-Schrift anheben → Spalte + Text + UI wachsen proportional */
@media (min-width: 1500px) {
  html { font-size: 18px; }
  :root { --content-width: 60rem; }
  body { line-height: 1.7; }
}
@media (min-width: 2000px) {
  html { font-size: 20px; }
  :root { --content-width: 64rem; }
}
@media (min-width: 2800px) {
  html { font-size: 23px; }
}

/* Lesefortschritts-Balken (ganz oben, fix) */
.readbar { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 30; background: transparent; }
.readbar-fill { height: 100%; width: 0; background: var(--accent); transition: width 0.15s linear; }

/* Navigation */
.topnav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1rem;
  background: var(--bg); border-bottom: 1px solid var(--border);
  padding: 0.6rem 1.2rem;
  font-family: system-ui, sans-serif; font-size: 0.9rem;
}
.topnav a { color: var(--accent); text-decoration: none; }
.topnav .back { font-size: 1.2rem; padding: 0 0.3rem; }
.nav-title { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.font-btns { display: flex; gap: 0.4rem; }
.font-btns button {
  border: 1px solid var(--border); background: transparent; color: var(--fg);
  border-radius: 6px; padding: 0.25rem 0.55rem; cursor: pointer; font-size: 0.85rem;
  font-family: system-ui, sans-serif;
}
.font-btns button:hover { background: var(--accent-soft); }

/* Onboarding-Hinweis */
.onboarding {
  display: flex; align-items: center; gap: 0.8rem; justify-content: space-between;
  max-width: var(--content-width); margin: 0.8rem auto 0; padding: 0.7rem 1rem;
  background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 10px;
  font-family: system-ui, sans-serif; font-size: 0.9rem;
}
.onboarding button {
  border: none; background: var(--accent); color: #fff; border-radius: 8px;
  padding: 0.45rem 0.9rem; cursor: pointer; font-size: 0.85rem; white-space: nowrap;
}

/* Startseite */
.book-label { text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; color: var(--muted); font-family: system-ui, sans-serif; margin: 0.5rem 0 0; }
.book-header h1 { font-size: 1.7rem; margin: 0.2rem 0 0.3rem; }
.greeting { color: var(--muted); font-family: system-ui, sans-serif; font-size: 0.95rem; }
.progress-summary { display: flex; align-items: center; gap: 0.8rem; font-family: system-ui, sans-serif; font-size: 0.85rem; color: var(--muted); margin: 0.8rem 0; }
.progress-track { flex: 1; height: 6px; border-radius: 3px; background: var(--accent-soft); overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 3px; }
.progress-label { white-space: nowrap; }

.continue-card {
  display: flex; flex-direction: column; gap: 0.15rem;
  background: var(--accent); color: #fff; text-decoration: none;
  border-radius: 12px; padding: 0.9rem 1.1rem; margin: 1rem 0;
  font-family: system-ui, sans-serif;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.continue-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.85; }
.continue-title { font-size: 1.05rem; font-weight: 600; }

.hint-card {
  background: var(--accent-soft); border-radius: 10px; padding: 0.8rem 1rem;
  font-family: system-ui, sans-serif; font-size: 0.9rem; line-height: 1.5; margin: 1rem 0;
}

.chapter-list { list-style: none; padding: 0; }
.chapter-list li { border-bottom: 1px solid var(--border); }
.chapter-list a {
  display: flex; align-items: center; gap: 0.9rem;
  padding: 0.7rem 0.3rem; color: var(--fg); text-decoration: none;
}
.chapter-list a:hover { background: var(--accent-soft); }
.ch-num {
  flex-shrink: 0; width: 2rem; height: 2rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  font-family: system-ui, sans-serif; font-size: 0.85rem; font-weight: 600;
}
.chapter-list li.done .ch-num { background: var(--accent); color: #fff; }
.chapter-list li.done .ch-title { color: var(--muted); }
.ch-body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.ch-title { font-size: 1rem; }
.ch-sub { font-family: system-ui, sans-serif; font-size: 0.78rem; color: var(--muted); }
.ch-state { color: var(--accent); font-family: system-ui, sans-serif; font-weight: 700; }

/* Lese-Ansicht */
.block { padding: 0.15rem 0.5rem; margin: 0 -0.5rem; border-radius: 6px; cursor: pointer; border-left: 3px solid transparent; }
.block:hover { background: var(--accent-soft); }
.block.selected { background: var(--accent-soft); outline: 2px solid var(--accent); }
.block.has-note { border-left-color: var(--accent); }
.block h1 { font-size: 1.6rem; }
.block pre { overflow-x: auto; font-size: 0.85rem; background: var(--accent-soft); padding: 0.7rem; border-radius: 6px; }
.block img { max-width: 100%; }
.block table { border-collapse: collapse; font-size: 0.9rem; }
.block td, .block th { border: 1px solid var(--border); padding: 0.3rem 0.5rem; }
.block-meta { font-family: system-ui, sans-serif; font-size: 0.8rem; color: var(--accent); min-height: 0; }

/* Kapitel-Navigation */
.chapternav { margin-top: 2rem; font-family: system-ui, sans-serif; }
.cta-next {
  display: flex; flex-direction: column; gap: 0.15rem;
  background: var(--accent); color: #fff; text-decoration: none;
  border-radius: 12px; padding: 0.9rem 1.1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.cta-next:hover { filter: brightness(1.08); }
.cta-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.85; }
.cta-title { font-size: 1.05rem; font-weight: 600; }
.cta-done { background: var(--accent-soft); border-radius: 12px; padding: 1rem 1.1rem; font-size: 1rem; text-align: center; }
.subnav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 0.9rem; font-size: 0.88rem; }
.subnav a { color: var(--accent); text-decoration: none; }

/* Toast */
.toast {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--fg); color: var(--bg);
  padding: 0.6rem 1.1rem; border-radius: 10px;
  font-family: system-ui, sans-serif; font-size: 0.9rem;
  z-index: 40; opacity: 0; transition: opacity 0.25s, transform 0.25s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25); max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Fragebogen */
.questions { margin-top: 3rem; border-top: 2px solid var(--border); padding-top: 1rem; font-family: system-ui, sans-serif; }
.questions h2 { font-size: 1.2rem; }
.questions .hint { color: var(--muted); font-size: 0.9rem; }
.q { margin-bottom: 1.2rem; }
.q label { display: block; font-size: 0.95rem; margin-bottom: 0.4rem; font-weight: 600; }
.scale { display: flex; gap: 0.5rem; }
.scale-btn {
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  border: 1px solid var(--border); background: var(--sheet-bg); color: var(--fg);
  font-size: 1rem; cursor: pointer;
}
.scale-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  background: var(--sheet-bg); color: var(--fg);
  padding: 0.6rem; font-family: system-ui, sans-serif; font-size: 1rem;
}
button.primary {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 0.7rem 1.2rem; font-size: 1rem; cursor: pointer; font-family: system-ui, sans-serif;
}
button.secondary {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.7rem 1.2rem; font-size: 1rem; cursor: pointer; font-family: system-ui, sans-serif;
}
.save-status { margin-left: 0.8rem; color: green; font-family: system-ui, sans-serif; font-size: 0.9rem; }

/* Kommentar-Sheet */
.sheet-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 20; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 21;
  background: var(--sheet-bg); border-radius: 16px 16px 0 0;
  padding: 1rem 1.2rem calc(1rem + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  max-width: var(--content-width); margin: 0 auto;
  font-family: system-ui, sans-serif;
}
.sheet-quote { font-size: 0.85rem; color: var(--muted); font-style: italic; margin-bottom: 0.7rem; }
.reactions { display: flex; gap: 0.5rem; margin-bottom: 0.7rem; }
.reaction {
  flex: 1; border: 1px solid var(--border); background: transparent; color: var(--fg);
  border-radius: 8px; padding: 0.5rem; font-size: 0.9rem; cursor: pointer;
}
.reaction.active { background: var(--accent-soft); border-color: var(--accent); }
.my-comment { font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--muted); }
.sheet-actions { display: flex; justify-content: space-between; gap: 0.6rem; margin-top: 0.7rem; }

/* Admin */
.admin { font-family: system-ui, sans-serif; font-size: 0.95rem; }
.admin h1 { font-size: 1.5rem; }
.admin h2 { font-size: 1.15rem; margin-top: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3rem; }
.admin table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
.admin th, .admin td { border: 1px solid var(--border); padding: 0.35rem 0.55rem; text-align: left; vertical-align: top; }
.admin .quote { color: var(--muted); font-style: italic; font-size: 0.82rem; }
.admin form.inline { display: flex; gap: 0.5rem; margin: 0.8rem 0; }
.admin input[type=text] {
  border: 1px solid var(--border); border-radius: 8px; padding: 0.5rem;
  background: var(--sheet-bg); color: var(--fg); font-size: 1rem;
}
.admin code { background: var(--accent-soft); padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.82rem; word-break: break-all; }
.admin td.actions { white-space: nowrap; }
.admin td.actions form { display: inline-block; margin: 0 0.15rem 0 0; }
.admin td.actions button {
  border: 1px solid var(--border); background: transparent; color: var(--fg);
  border-radius: 6px; padding: 0.25rem 0.5rem; font-size: 0.78rem; cursor: pointer;
}
.admin td.actions button:hover { background: var(--accent-soft); }
.admin td.actions button.danger { color: #c0392b; border-color: #c0392b; }
.admin td.actions button.danger:hover { background: rgba(192,57,43,0.12); }