/* ============================================================
   Bible Study Website — Global Styles
   ============================================================ */

:root {
  /* Colors */
  --color-bg:        #faf8f4;
  --color-surface:   #ffffff;
  --color-primary:   #5c3d1e;   /* warm dark brown */
  --color-accent:    #b8860b;   /* dark goldenrod */
  --color-text:      #2c2416;
  --color-muted:     #7a6a55;
  --color-border:    #e0d5c4;

  /* Typography */
  --font-body:    Georgia, 'Times New Roman', serif;
  --font-ui:      system-ui, sans-serif;
  --font-mono:    'Courier New', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;

  /* Layout */
  --max-width: 860px;
  --header-h:  52px;
}

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

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ── Layout ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Header ── */
.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-md) 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.site-title {
  font-size: 1.4rem;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
}
.site-nav a {
  color: #e8d9bb;
  text-decoration: none;
  margin-right: var(--space-md);
}
.site-nav a:hover { color: #fff; }
.version-picker { margin-left: auto; font-family: var(--font-ui); font-size: 0.9rem; }
.version-picker label { color: #e8d9bb; margin-right: var(--space-xs); }
.version-picker select { padding: 2px 6px; border-radius: 4px; color: #2c2416; background: rgba(255,255,255,0.92); border: 1px solid rgba(255,255,255,0.5); cursor: pointer; }

/* ── Main Content ── */
main {
  padding: var(--space-xl) 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-body);
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  margin-top: var(--space-lg);
}
h1 { font-size: 2rem; margin-top: 0; }
h2 { font-size: 1.5rem; border-bottom: 1px solid var(--color-border); padding-bottom: var(--space-xs); }
h3 { font-size: 1.2rem; }

p { margin-bottom: var(--space-md); }

a { color: var(--color-accent); }
a:hover { color: var(--color-primary); }

/* ── Scripture blocks ── */
blockquote.scripture {
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface);
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  font-style: italic;
  color: var(--color-primary);
  border-radius: 0 6px 6px 0;
}
blockquote.scripture cite {
  display: block;
  margin-top: var(--space-sm);
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ── Bible reference links ── */
a.ref {
  color: var(--color-accent);
  text-decoration: underline dotted;
  cursor: pointer;
}
a.ref:hover { text-decoration: underline; }

/* ── Key terms ── */
span.term {
  font-weight: bold;
  color: var(--color-primary);
}

/* ── Topic cards ── */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
.topic-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}
.topic-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  transform: translateY(-2px);
  color: inherit;
}
.topic-card h3 { margin-top: 0; color: var(--color-primary); }
.topic-card p  { font-size: 0.95rem; color: var(--color-muted); margin: 0; }

/* ── Footer ── */
.site-footer {
  background: var(--color-primary);
  color: #e8d9bb;
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}
.site-footer a { color: #f5e6c8; }
.small { font-size: 0.8rem; opacity: 0.75; margin-top: var(--space-xs); }

/* ── Nav breadcrumb ──────────────────────────────────────── */
.site-nav__breadcrumb {
  color: #c9a24a;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  white-space: nowrap;
  margin-right: var(--space-md);
}

/* ── Nav action pills (Reader, Search) ───────────────────── */
.site-nav__action {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 20px;
  padding: 0.18rem 0.8rem;
  color: #e8d9bb;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  margin-right: var(--space-md);
}
.site-nav__action:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.75);
  color: #fff;
}
.site-nav__action[aria-current] {
  background: rgba(255,255,255,0.2);
  border-color: #fff;
  color: #fff;
}

/* ── Studies panel button ────────────────────────────────── */
.nav-panel-btn {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 20px;
  padding: 0.18rem 0.8rem;
  background: transparent;
  color: #e8d9bb;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.nav-panel-btn:hover,
.nav-panel-btn[aria-expanded="true"] {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.75);
  color: #fff;
}
.nav-panel-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Nav panel backdrop ──────────────────────────────────── */
.nav-panel-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1100;
}
.nav-panel-overlay.is-visible { display: block; }

/* ── Nav panel ───────────────────────────────────────────── */
.nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-surface);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.22s ease;
  box-shadow: -4px 0 24px rgba(0,0,0,0.18);
  overflow-y: auto;
}
.nav-panel.is-open { transform: translateX(0); }

.nav-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid #e0d5c4;
  background: #5c3d1e;
  flex-shrink: 0;
}
.nav-panel__heading {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: bold;
  color: #fff;
}
.nav-panel__close {
  background: transparent;
  border: none;
  color: #e8d9bb;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem 0.35rem;
  border-radius: 4px;
}
.nav-panel__close:hover { color: #fff; }
.nav-panel__close:focus-visible {
  outline: 2px solid #b8860b;
  outline-offset: 2px;
}

.nav-panel__section { padding: 1rem 1.25rem 0.25rem; }
.nav-panel__section-title {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #7a6a55;
  margin: 0 0 0.45rem;
}
.nav-panel__list { list-style: none; margin: 0; padding: 0; }
.nav-panel__list a {
  display: block;
  padding: 0.45rem 0.75rem;
  border-radius: 5px;
  color: #2c2416;
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  transition: background 0.1s;
}
.nav-panel__list a:hover {
  background: #faf8f4;
  color: #5c3d1e;
}
.nav-panel__list a[aria-current="page"] {
  background: #f0e9dc;
  color: #5c3d1e;
  font-weight: 600;
}

@media (max-width: 540px) {
  .nav-panel { width: 100%; }
}