:root {
  --bg-primary: #050a14;
  --bg-secondary: #0a1022;
  --bg-card: #0d1628;
  --bg-card-hover: #111d35;
  --accent-gold: #facc15;
  --accent-blue: #38bdf8;
  --accent-glow: rgba(250, 204, 21, 0.15);
  --text-primary: #e8edf5;
  --text-secondary: #8899bb;
  --text-muted: #4a5878;
  --border-color: rgba(56, 189, 248, 0.15);
  --border-accent: rgba(250, 204, 21, 0.3);
  --sidebar-width: 280px;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --font-code: 'Fira Code', monospace;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.05) 2px,
    rgba(0, 0, 0, 0.05) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

header {
  background: linear-gradient(180deg, rgba(10, 16, 34, 0.98) 0%, rgba(5, 10, 20, 0.95) 100%);
  border-bottom: 1px solid var(--border-accent);
  padding: 20px 30px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 30px rgba(250, 204, 21, 0.05);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-tag {
  font-family: var(--font-code);
  color: var(--accent-blue);
  font-size: 1.4rem;
  font-weight: 300;
}

.logo-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 2px;
  text-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

.logo-subtitle {
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  flex: 1;
}

.back-link {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--accent-blue);
  text-decoration: none;
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 4px 10px;
  border-radius: 4px;
  transition: all 0.2s;
  white-space: nowrap;
}

.back-link:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-blue);
}

.app-layout {
  display: flex;
  height: calc(100vh - 75px);
  max-width: 1400px;
  margin: 0 auto;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 2px;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 10;
}

.sidebar-label {
  display: block;
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: var(--accent-blue);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.book-search {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.2s;
}

.book-search:focus {
  border-color: var(--accent-gold);
}

.book-search::placeholder {
  color: var(--text-muted);
}

.testament-section {
  border-bottom: 1px solid var(--border-color);
}

.testament-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

.testament-label:hover {
  color: var(--accent-gold);
}

.arrow {
  font-size: 0.55rem;
  transition: transform 0.2s;
  color: var(--accent-blue);
}

.arrow.open {
  transform: rotate(90deg);
}

.book-count {
  margin-left: auto;
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 1px 6px;
  border-radius: 3px;
}

.book-list {
  display: none;
  flex-direction: column;
}

.book-list.open {
  display: flex;
}

.book-item {
  position: relative;
}

.book-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px 8px 24px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
  letter-spacing: 0.3px;
}

.book-btn:hover {
  background: var(--bg-card);
  color: var(--accent-gold);
  padding-left: 28px;
}

.book-btn.active {
  color: var(--accent-gold);
  background: var(--accent-glow);
  border-left: 2px solid var(--accent-gold);
}

.book-btn .chapter-count {
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.chapter-list {
  display: none;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 16px 10px 24px;
  background: rgba(0,0,0,0.2);
}

.chapter-list.open {
  display: flex;
}

.chapter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-code);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.chapter-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: var(--accent-glow);
}

.chapter-btn.active {
  background: var(--accent-gold);
  color: #000;
  border-color: var(--accent-gold);
  font-weight: 600;
}

/* ── MAIN CONTENT ── */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 30px;
  background: var(--bg-primary);
}

.main-content::-webkit-scrollbar {
  width: 6px;
}
.main-content::-webkit-scrollbar-track { background: transparent; }
.main-content::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

/* ── WELCOME SCREEN ── */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.welcome-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.3;
  filter: drop-shadow(0 0 20px var(--accent-gold));
}

.welcome-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.welcome-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 30px;
}

.welcome-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.feature-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.feature-icon {
  font-size: 1.1rem;
}

/* ── CHAPTER VIEW ── */
.chapter-view {
  max-width: 820px;
  margin: 0 auto;
}

.chapter-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-accent);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.chapter-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 2px;
  text-shadow: 0 0 30px rgba(250, 204, 21, 0.3);
}

.chapter-meta {
  display: flex;
  gap: 8px;
  align-items: center;
}

.translation-badge {
  font-family: var(--font-code);
  font-size: 0.7rem;
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 3px 10px;
  border-radius: 3px;
  letter-spacing: 1px;
}

/* ── TABS ── */
.content-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: -1px;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

/* ── SCRIPTURE ── */
.scripture-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 28px 32px;
}

.verse {
  display: flex;
  gap: 14px;
  margin-bottom: 12px;
  line-height: 1.8;
  align-items: flex-start;
}

.verse-num {
  font-family: var(--font-code);
  font-size: 0.7rem;
  color: var(--accent-gold);
  opacity: 0.7;
  min-width: 24px;
  margin-top: 4px;
  text-align: right;
}

.verse-text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.8;
}

/* ── BREAKDOWN ── */
.breakdown-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.dots {
  display: inline-block;
  animation: dots 1.5s steps(3, end) infinite;
  width: 20px;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 80% { content: '...'; }
  100% { content: ''; }
}

.breakdown-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 22px 26px;
  margin-bottom: 16px;
}

.breakdown-section h3 {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breakdown-section h3 .section-icon {
  font-size: 1rem;
}

.breakdown-section p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  font-weight: 400;
}

.overview-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.themes-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.theme-tag {
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  color: var(--accent-gold);
  font-family: var(--font-code);
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.key-verse-card {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-gold);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 12px;
}

.key-verse-card:last-child {
  margin-bottom: 0;
}

.key-verse-ref {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--accent-gold);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.key-verse-quote {
  font-style: italic;
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

.key-verse-insight {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.reflection-text {
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--accent-blue);
  border-left: 3px solid var(--accent-blue);
  padding-left: 16px;
}

.breakdown-error {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.retry-btn {
  background: none;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 8px;
  transition: all 0.2s;
}

.retry-btn:hover {
  background: var(--accent-glow);
}

/* ── COLOR HELPERS FOR SECTIONS ── */
.color-gold { color: var(--accent-gold); }
.color-blue { color: var(--accent-blue); }
.color-green { color: #4ade80; }
.color-pink { color: #f472b6; }
.color-purple { color: #a78bfa; }
.color-orange { color: #fb923c; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
    height: auto;
  }

  .sidebar {
    width: 100%;
    min-width: unset;
    max-height: 45vh;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .main-content {
    padding: 20px 16px;
  }

  .chapter-title {
    font-size: 1.3rem;
  }

  .header-inner {
    gap: 10px;
  }

  .logo-subtitle {
    display: none;
  }

  .scripture-block {
    padding: 18px 16px;
  }
}