:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #dfe5ef;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --secondary: #eef2ff;
  --error: #b91c1c;
  --highlight: #fff59d;
  --highlight-text: #111827;
  --red-letter: #b91c1c;
}

body.dark {
  color-scheme: dark;
  --bg: #1a2233;
  --panel: #222d40;
  --text: #eef4ff;
  --muted: #d1d9ea;
  --border: #3b4b63;
  --accent: #7aa8ff;
  --accent-dark: #5c96ff;
  --secondary: #2b394f;
  --error: #ff9b9b;
  --highlight: #f6d365;
  --highlight-text: #1a1a1a;
  --red-letter: #ff9a9a;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  min-height: 100vh;
  padding: 0;
  background: var(--bg);
}

.app-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  min-height: 100vh;
}

.container {
  max-width: none;
  margin: 0;
  padding: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.help-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--secondary);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.search-form {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
}

#searchInput {
  flex: 1 1 420px;
  min-width: 220px;
  min-height: 48px;
  max-height: 160px;
  padding: 10px 12px;
  font-size: 1rem;
  line-height: 1.4;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  resize: vertical;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
}

button,
.theme-toggle,
.help-link {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #ffffff;
}

button.secondary {
  background: var(--secondary);
  color: var(--text);
}

body.dark button,
body.dark .theme-toggle,
body.dark .help-link {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.theme-toggle {
  background: var(--secondary);
  color: var(--text);
}

.accordion-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.accordion-block {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  overflow: hidden;
}

.accordion-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--secondary);
  color: var(--text);
  border: none;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  border-radius: 0;
}

.accordion-arrow {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.accordion-panel {
  display: block;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  overflow: hidden;
  transition: max-height 0.2s ease, opacity 0.2s ease, padding 0.2s ease;
  max-height: 500px;
  opacity: 1;
  visibility: visible;
}

.accordion-panel.collapsed {
  display: none;
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-top-width: 0;
  visibility: hidden;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
}

.option-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text);
}

option,
select {
  font: inherit;
}

select {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
}

.export-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}

.export-controls label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.export-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

#exportFormat {
  min-width: 110px;
}

body.dark .wildcard-summary,
body.dark .results {
  background: var(--panel);
}

body.dark .results li {
  border-bottom-color: var(--border);
}

.highlight-match {
  background: var(--highlight);
  color: var(--highlight-text);
  padding: 0 2px;
  border-radius: 4px;
}

.red-letter {
  color: var(--red-letter);
  font-weight: 600;
}

.red-letter.highlight-match {
  color: var(--red-letter);
  background: var(--highlight);
}

.reading-chapter-heading {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}

.reading-chapter-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.82);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 30;
}

.reading-chapter-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.reading-paragraphs {
  line-height: 1.55;
}

.reading-paragraphs.passage-mode p,
.reading-paragraphs p.passage-mode {
  line-height: 1.7;
  margin: 0 0 0.8rem;
}

.reading-paragraphs.passage-mode .passage-mode {
  margin: 0 0 1.1rem;
  line-height: 1.7;
}

.reading-paragraphs.passage-mode .reading-verse {
  display: block;
  margin: 0;
  line-height: 1.7;
}

.reading-paragraphs.passage-mode .reading-verse.inline-verse {
  display: inline !important;
  margin-right: 0.35em;
  line-height: 1.7;
}

.reading-paragraphs.passage-mode .reading-verse.new-line-verse {
  display: block;
  margin: 0;
  line-height: 1.7;
}

.reading-paragraphs.passage-mode .reading-verse + .reading-verse {
  margin-top: 0.08rem;
}

.reading-paragraphs.passage-mode .reading-verse > span,
.reading-paragraphs .reading-verse > span {
  display: inline;
}

.inline-verse-number {
  color: var(--muted);
  font-size: 0.72em;
  font-weight: 700;
  line-height: 1;
  vertical-align: super;
  margin-right: 0.2rem;
  user-select: none;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.reading-verse-focus {
  background: rgba(94, 129, 255, 0.12);
  border: 1px solid rgba(94, 129, 255, 0.4);
  border-radius: 0.7rem;
  box-shadow: 0 0 0 2px rgba(94, 129, 255, 0.1);
  padding: 0.15rem 0.45rem 0.2rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.reading-verse-focus .inline-verse-number {
  color: #2147c6;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 0.35rem;
  padding: 0.08rem 0.18rem;
  box-shadow: inset 0 0 0 1px rgba(33, 71, 198, 0.2);
}

.bracketed-phrase {
  font-style: italic;
  white-space: normal;
}

.check-row {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  padding-top: 28px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.status {
  min-height: 24px;
  margin-bottom: 16px;
  color: var(--muted);
  opacity: 1;
  transition: opacity 0.35s ease;
}

.status.hidden {
  opacity: 0;
  visibility: hidden;
}

.status.error {
  color: var(--error);
}

.results {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.results ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.results li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.results li:last-child {
  border-bottom: none;
}

@media (max-width: 640px) {
  .container {
    padding: 10px 12px 16px;
  }

  .topbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .topbar-actions {
    margin-left: auto;
  }

  h1 {
    margin: 0 0 10px;
    font-size: 1.5rem;
    line-height: 1.2;
  }

  .search-form {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
  }

  #searchInput {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    min-height: 42px;
    height: 42px;
    max-height: 42px;
    padding: 9px 10px;
    font-size: 0.95rem;
    line-height: 1.3;
    resize: none;
    overflow: hidden;
  }

  .actions {
    display: flex;
    flex: 0 0 auto;
    align-items: stretch;
    gap: 8px;
    margin-left: auto;
  }

  .actions button {
    width: auto;
    min-width: 0;
    flex: 0 0 auto;
    padding: 10px 8px;
    font-size: 0.85rem;
  }

  .export-controls {
    align-items: center;
    gap: 8px;
  }

  .export-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
  }

  .export-controls > * {
    width: auto;
  }

  .accordion-toggle {
    padding: 10px 12px;
  }

  .accordion-label {
    font-size: 0.85rem;
  }

  .results {
    padding: 12px;
  }
}

.wildcard-summary {
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--secondary);
}

.wildcard-summary h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.wildcard-summary ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.summary-link {
  background: var(--secondary);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 0.9rem;
}

.help-page {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}