/* Dreams of the Deep — Global Styles */

:root {
  --font-body: Georgia, 'Times New Roman', 'Palatino Linotype', serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: #f8f5f0;
  color: #1c1917;
  line-height: 1.82;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: page-enter 0.3s ease-out;
}

@keyframes page-enter {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---- PROGRESS BAR ---- */

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background-color: var(--book-accent, #a39890);
  z-index: 100;
  transition: width 0.15s ease-out;
}

.progress-bar.loading {
  animation: loading-bar 8s cubic-bezier(0.2, 0.8, 0.3, 1) forwards;
}

@keyframes loading-bar {
  0%   { width: 0; }
  40%  { width: 60%; }
  100% { width: 90%; }
}

/* ---- PAGED MODE ---- */

html.paged-mode {
  overflow: hidden;
}

html.paged-mode body {
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

/* ---- LAYOUT ---- */

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

html.paged-mode .page {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  /* Fixed px padding so the frame doesn't shift when font size changes */
  padding: 48px 24px 0;
}

/* ---- READER THEMES ---- */

html.theme-sepia {
  --bg: #f0e6d3;
  --fg: #3d3630;
  --fg-muted: #7a6f63;
  --border: #d4c4a8;
  --progress: #a08c6e;
}

html.theme-dark {
  --bg: #1a1a1a;
  --fg: #c8c3bc;
  --fg-muted: #7a7570;
  --border: #333;
  --progress: #5a5550;
}

html.theme-sepia body,
html.theme-dark body {
  background-color: var(--bg);
  color: var(--fg);
}

html.theme-sepia .progress-bar,
html.theme-dark .progress-bar {
  background-color: var(--book-accent, var(--progress));
}

html.theme-sepia .page-indicator,
html.theme-dark .page-indicator {
  color: var(--fg-muted);
  background: var(--bg);
}

html.theme-sepia .chapter-header,
html.theme-dark .chapter-header {
  border-bottom-color: var(--border);
}

html.theme-sepia .chapter-number,
html.theme-dark .chapter-number {
  color: var(--fg-muted);
}

html.theme-sepia .chapter-title,
html.theme-dark .chapter-title {
  color: var(--fg);
}

html.theme-dark .chapter-body > p:first-of-type::first-letter {
  color: var(--fg);
}

html.theme-sepia .epigraph,
html.theme-dark .epigraph {
  color: var(--fg-muted);
  border-left-color: var(--border);
}

html.theme-sepia .epigraph-source,
html.theme-dark .epigraph-source {
  color: var(--fg-muted);
}

html.theme-sepia .section-break,
html.theme-dark .section-break {
  color: var(--fg-muted);
}

html.theme-sepia .scripture,
html.theme-dark .scripture {
  color: var(--fg);
}

html.theme-sepia .chapter-nav,
html.theme-dark .chapter-nav {
  border-top-color: var(--border);
}

html.theme-sepia .chapter-nav a,
html.theme-dark .chapter-nav a {
  color: var(--fg-muted);
}

html.theme-sepia .chapter-nav a:hover,
html.theme-dark .chapter-nav a:hover {
  color: var(--fg);
}

/* ---- TOC THEME OVERRIDES ---- */

html.theme-sepia .book-title,
html.theme-dark .book-title {
  color: var(--fg);
}

html.theme-sepia .book-subtitle,
html.theme-dark .book-subtitle {
  color: var(--fg-muted);
}

html.theme-sepia .toc,
html.theme-dark .toc {
  border-top-color: var(--border);
}

html.theme-sepia .toc-list li,
html.theme-dark .toc-list li {
  border-bottom-color: var(--border);
}

html.theme-sepia .toc-list li:first-child,
html.theme-dark .toc-list li:first-child {
  border-top-color: var(--border);
}

html.theme-sepia .toc-list a,
html.theme-dark .toc-list a {
  color: var(--fg);
}

html.theme-sepia .toc-list a:hover,
html.theme-dark .toc-list a:hover {
  color: var(--fg-muted);
}

html.theme-sepia .toc-chapter-number,
html.theme-dark .toc-chapter-number {
  color: var(--fg-muted);
}

html.theme-sepia .continue-reading a,
html.theme-dark .continue-reading a {
  color: var(--fg-muted);
  border-color: var(--border);
}

html.theme-sepia .continue-reading a:hover,
html.theme-dark .continue-reading a:hover {
  color: var(--fg);
  border-color: var(--fg);
}

html.theme-sepia .toc-progress,
html.theme-dark .toc-progress {
  background: var(--border);
}

html.theme-sepia .toc-heading,
html.theme-dark .toc-heading {
  color: var(--fg-muted);
}

html.theme-sepia .toc-hero-description,
html.theme-dark .toc-hero-description {
  color: var(--fg-muted);
}

html.theme-sepia .toc-list a:hover,
html.theme-dark .toc-list a:hover {
  background-color: rgba(128, 128, 128, 0.08);
}

html.theme-sepia .site-footer,
html.theme-dark .site-footer {
  color: var(--fg-muted);
  border-top-color: var(--border);
}

/* ---- FOOTER ---- */

.site-footer {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #eae6e0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a89f96;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.footer-manage-link {
  color: #a89f96;
  text-decoration: none;
}

.footer-manage-link:hover {
  color: var(--fg, #1c1917);
}

/* ---- RESPONSIVE ---- */

@media (max-width: 680px) {
  html {
    font-size: 17px;
  }

  .page {
    padding: 2rem 1.25rem 3rem;
  }

  html.paged-mode .page {
    padding: 32px 20px 0;
  }
}

@media (max-width: 420px) {
  html {
    font-size: 16px;
  }

  .page {
    padding: 1.5rem 1rem 2.5rem;
  }

  html.paged-mode .page {
    padding: 24px 16px 0;
  }
}