*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #1a1a1a;
  --surface: #2a2a2a;
  --border: #3a3a3a;
  --text: #e8e8e8;
  --muted: #888;
  --accent: #c9a84c;
  --accent-hover: #e0bf6a;
}

body { background: var(--bg); color: var(--text); font-family: Georgia, serif; line-height: 1.6; }

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 12px;
}
header h1 { font-size: 1.1rem; color: var(--accent); letter-spacing: 0.03em; }
.header-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.share-buttons { display: flex; gap: 8px; }
.share-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.share-btn:hover { border-color: var(--accent); color: var(--accent); }

#auth-btn {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: bold;
}
#auth-btn:hover { background: var(--accent-hover); }
#user-info { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }
#user-avatar { width: 26px; height: 26px; border-radius: 50%; }
.signout-btn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 0.8rem; }

main { max-width: 1100px; margin: 0 auto; padding: 32px 16px; }
section { margin-bottom: 56px; }
section h2 {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* PDF Viewer */
#pdf-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
#pdf-controls button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
}
#pdf-controls button:hover:not(:disabled) { border-color: var(--accent); }
#pdf-controls button:disabled { opacity: 0.4; cursor: default; }
#pdf-controls input[type=number] {
  width: 64px;
  padding: 5px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  text-align: center;
}
#page-info { color: var(--muted); font-size: 0.9rem; }
#pdf-canvas { display: block; margin: 0 auto; max-width: 100%; box-shadow: 0 8px 32px rgba(0,0,0,0.6); border-radius: 2px; }
.text-link { display: block; text-align: center; margin-top: 16px; color: var(--accent); font-size: 0.9rem; }

/* AI Q&A */
#ai-form { display: flex; gap: 8px; margin-bottom: 12px; }
#ai-input {
  flex: 1;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
}
#ai-input:focus { outline: none; border-color: var(--accent); }
#ai-submit {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}
#ai-submit:disabled { opacity: 0.5; cursor: default; }
#ai-response {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  min-height: 80px;
  white-space: pre-wrap;
  font-size: 0.95rem;
  color: var(--text);
}
#ai-response.empty { color: var(--muted); font-style: italic; }
#guest-counter { font-size: 0.8rem; color: var(--muted); margin-top: 8px; }
#ai-signin-prompt {
  display: none;
  text-align: center;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-top: 12px;
}
#ai-signin-prompt p { color: var(--muted); margin-bottom: 12px; }
#ai-signin-prompt button {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

/* Comments */
#comment-form-area { margin-bottom: 24px; }
#signin-to-comment { color: var(--muted); font-style: italic; }
#signin-to-comment button { background: none; border: none; color: var(--accent); cursor: pointer; text-decoration: underline; font-size: 1rem; }
#comment-form { display: none; }
#comment-form textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  min-height: 80px;
}
#comment-form textarea:focus { outline: none; border-color: var(--accent); }
#comment-form button {
  margin-top: 8px;
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 8px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

.comment { padding: 16px 0; border-bottom: 1px solid var(--border); }
.comment-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.comment-avatar { width: 24px; height: 24px; border-radius: 50%; }
.comment-author { font-weight: bold; font-size: 0.85rem; }
.comment-date { color: var(--muted); font-size: 0.8rem; }
.comment-body { font-size: 0.95rem; }
.reply-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 0.8rem; margin-top: 8px; padding: 0; }
.comment-replies { margin-left: 32px; border-left: 2px solid var(--border); padding-left: 16px; margin-top: 12px; }
.reply-form textarea {
  width: 100%;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-family: inherit;
  margin-top: 8px;
}
.reply-form button {
  margin-top: 6px;
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

/* Donations */
.donation-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  max-width: 400px;
  margin: 0 auto;
}
.donation-widget p { color: var(--muted); margin-bottom: 16px; line-height: 1.5; }
.donation-amount { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 16px; }
.donation-amount span { color: var(--muted); font-size: 1.3rem; }
#donation-input {
  width: 100px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-size: 1.2rem;
  text-align: center;
}
#donate-btn {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 10px 32px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
}
#donate-btn:hover { background: var(--accent-hover); }
#donate-btn:disabled { opacity: 0.5; cursor: default; }

footer {
  text-align: center;
  padding: 32px 16px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

/* Admin Bar (author-only) */
#admin-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: #111;
  border-bottom: 1px solid var(--accent);
  padding: 0 16px;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--muted);
  z-index: 200;
}
#admin-bar.visible { display: flex; }
#admin-bar-label { font-weight: bold; color: var(--accent); letter-spacing: 0.05em; }
#admin-bar-mode { color: var(--text); }
#admin-bar-mode.live { color: #4caf50; }
#admin-bar-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.78rem;
}
#admin-bar-toggle:hover:not(:disabled) { border-color: var(--accent); }
#admin-bar-toggle:disabled { opacity: 0.5; cursor: default; }
#admin-bar-error { color: #e57373; font-size: 0.75rem; }
#admin-bar-donate {
  margin-left: auto;
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 3px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: bold;
}
#admin-bar-donate:hover { background: var(--accent-hover); }

/* Push content down when admin bar is visible */
body.admin-bar-visible { padding-top: 36px; }
body.admin-bar-visible header { top: 36px; }

/* Live banner (replaces AI section contents) */
#live-banner {
  text-align: center;
  padding: 32px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}
#live-banner p { color: var(--muted); margin-bottom: 16px; font-style: italic; }
#live-banner a {
  display: inline-block;
  background: var(--accent);
  color: #1a1a1a;
  padding: 10px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
}
#live-banner a:hover { background: var(--accent-hover); }

/* ── PDF sidebar layout ── */
.pdf-layout {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

#pdf-toc {
  width: 200px;
  min-width: 200px;
  flex-shrink: 0;
  max-height: 70vh;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 20px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.pdf-main {
  flex: 1;
  min-width: 0;
  padding-left: 20px;
}

@media (max-width: 700px) {
  #pdf-toc { display: none; }
  .pdf-main { padding-left: 0; }
}

/* ── Text page: sidebar layout ── */
main.text-main { max-width: 100%; padding: 0; }

.text-layout {
  display: flex;
  align-items: flex-start;
  max-width: 1240px;
  margin: 0 auto;
}

#toc-sidebar {
  width: 230px;
  min-width: 230px;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  max-height: calc(100vh - 76px);
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 24px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.toc-inner { padding: 0 14px; }

.toc-header {
  font-size: 0.68rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { margin: 0; }

.toc-link {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  padding: 5px 8px;
  border-radius: 4px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.76rem;
  line-height: 1.4;
  transition: color 0.15s, background 0.15s;
}
.toc-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.toc-link.active { color: var(--accent); background: rgba(201,168,76,0.08); }

.toc-roman { flex-shrink: 0; font-weight: bold; min-width: 28px; font-size: 0.68rem; padding-top: 1px; }
.toc-label { flex: 1; }
.toc-empty { color: var(--muted); font-size: 0.8rem; padding: 8px; }
.toc-sub { padding-left: 18px; font-size: 0.72rem; color: var(--muted); }
.toc-sub.active { color: var(--accent); }

/* Override text-body centering when inside sidebar layout */
.text-layout .text-body { flex: 1; min-width: 0; max-width: 760px; margin: 0; padding: 32px 40px 32px 40px; }

@media (max-width: 820px) {
  #toc-sidebar { display: none; }
  .text-layout .text-body { padding: 24px 16px; }
}