:root {
  --bg: #1a2e1a;
  --bg-light: #243524;
  --card-bg: #2a3f2a;
  --text: #f5f0e0;
  --text-muted: #a8b89a;
  --amber: #d4a54a;
  --amber-light: #e8c36a;
  --amber-dark: #b8892e;
  --green-accent: #4a7a4a;
  --green-light: #5a9a5a;
  --border: #3a5a3a;
}

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

html, body {
  height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px;
}

.back-link {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 14px;
  color: var(--amber);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
  transition: all 0.2s;
}

.back-link:hover {
  border-color: var(--amber-dark);
  box-shadow: 0 1px 3px rgba(212, 165, 74, 0.15);
}

.header h1 {
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 4px;
}

.subtitle {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.verse-selector {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.verse-selector label {
  color: var(--text-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.verse-selector select {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-light);
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
}

.verse-selector select:focus {
  outline: none;
  border-color: var(--amber-dark);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  min-height: 180px;
}

.card-citation {
  font-weight: 700;
  color: var(--amber);
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.card-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text);
  letter-spacing: 0.01em;
}

.card-text .first-letter {
  display: inline-block;
  font-weight: 700;
  color: var(--amber-light);
  background: rgba(212, 165, 74, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
  margin: 2px 3px;
  font-size: 1.1rem;
  min-width: 1.4em;
  text-align: center;
}

.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.btn {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber-dark);
  width: 100%;
  padding: 14px 18px;
  font-size: 1.1rem;
}

.btn-primary:hover {
  background: var(--amber-light);
}

.btn-secondary {
  background: var(--bg-light);
  color: var(--amber);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--amber-dark);
  background: var(--card-bg);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-nav {
  background: var(--bg-light);
  color: var(--text-muted);
  border-color: var(--border);
}

.btn-nav:hover {
  color: var(--amber);
  border-color: var(--amber-dark);
}

.nav-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.verse-count {
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 520px) {
  .controls {
    flex-direction: column;
  }

  .verse-selector {
    flex-direction: column;
    align-items: stretch;
  }
}