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

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg, #f4ecd8);
  color: var(--text, #3d2b1f);
}

body[data-screen="reader"] {
  overflow: hidden;
  height: 100dvh;
}

.screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen[hidden] {
  display: none !important;
}

.global-loader {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.25);
  z-index: 100;
  color: #fff;
}

.global-loader[hidden] {
  display: none;
}

.global-error {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  margin: 0;
  padding: 10px 16px;
  background: #8b1e1e;
  color: #fff;
  z-index: 101;
  font-size: 14px;
}

.global-error[hidden] {
  display: none;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--bar-border, #dccfb8);
  background: var(--bar-bg);
}

.top-bar--library {
  align-items: center;
}

.top-bar__center {
  flex: 1;
  text-align: center;
  min-width: 0;
}

.app-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.app-subtitle {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.app-subtitle--urdu {
  font-family: var(--font-urdu);
  font-size: 1rem;
  color: var(--text);
  line-height: 1.9;
}

/* Phones: give the title its own full-width row so it never overlaps the buttons */
@media (max-width: 640px) {
  .top-bar--library {
    flex-wrap: wrap;
    row-gap: 10px;
    justify-content: center;
    padding-bottom: 14px;
  }

  .top-bar--library .top-bar__center {
    order: -1;
    flex: 1 1 100%;
  }

  .top-bar--library .top-bar__leading {
    flex-direction: row;
    gap: 6px;
  }

  .top-bar--library .top-bar__actions {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 6px;
  }
}

.icon-btn,
.back-btn,
.chip {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--bar-border);
  background: var(--chip-bg);
  color: var(--text);
  border-radius: 8px;
}

.icon-btn,
.back-btn {
  padding: 8px 12px;
  font-size: 0.85rem;
}

.library-list {
  flex: 1;
  padding: 8px 12px 24px;
  overflow: auto;
}

.testament-section {
  margin-bottom: 20px;
}

.section-heading {
  margin: 12px 4px 10px;
}

.section-label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-label-urdu {
  margin: 4px 0 0;
  font-family: var(--font-urdu);
  font-size: 0.95rem;
  color: var(--text);
  text-align: right;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.book-cell {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  min-height: 64px;
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--bar-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

html[data-theme="night"] .book-cell {
  background: rgba(255, 255, 255, 0.04);
}

.book-cell__english {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.25;
}

.book-cell__urdu {
  margin-top: 4px;
  font-family: var(--font-urdu);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: right;
  line-height: 1.35;
}

.book-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  margin-bottom: 6px;
  border: 1px solid var(--bar-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

html[data-theme="night"] .book-row {
  background: rgba(255, 255, 255, 0.04);
}

.book-row__english {
  font-size: 0.95rem;
  font-weight: 600;
}

.book-row__urdu {
  margin-top: 4px;
  font-family: var(--font-urdu);
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: right;
}

.chapter-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.chapter-subtitle {
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.top-bar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.top-bar__leading {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.top-bar__leading .icon-btn {
  padding: 5px 10px;
  font-size: 0.78rem;
}

.theme-quick {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px;
  border: 1px solid var(--bar-border);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.2);
}

html[data-theme="night"] .theme-quick {
  background: rgba(255, 255, 255, 0.04);
}

.theme-icon-btn {
  font: inherit;
  width: 30px;
  height: 30px;
  padding: 0;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.theme-icon-btn.active {
  background: var(--chip-active);
  color: var(--chip-active-text);
}

.theme-icon-btn:not(.active):hover {
  color: var(--text);
}

.aa-btn {
  font: inherit;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--bar-border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
  padding: 12px 14px 20px;
  flex: 1;
  overflow: auto;
  align-content: start;
}

.chapter-cell {
  min-height: 42px;
  padding: 6px 4px;
  border: 1px solid var(--bar-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.35);
  font-size: 0.92rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

html[data-theme="night"] .chapter-cell {
  background: rgba(255, 255, 255, 0.06);
}

.chapter-cell:active {
  transform: scale(0.97);
}

.notebook-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notebook-card {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--bar-border);
  border-left-width: 4px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

html[data-theme="night"] .notebook-card {
  background: rgba(255, 255, 255, 0.04);
}

.notebook-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.notebook-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.notebook-delete {
  flex-shrink: 0;
  font: inherit;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--bar-border);
  border-radius: 7px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.notebook-delete:hover {
  color: #a03030;
  border-color: rgba(160, 48, 48, 0.4);
}

html[data-theme="night"] .notebook-delete:hover {
  color: #e08585;
  border-color: rgba(224, 133, 133, 0.4);
}

.notebook-clear-btn {
  align-self: center;
  margin-top: 8px;
}

.notebook-urdu {
  margin: 0 0 6px;
  font-family: var(--font-urdu);
  font-size: 0.9rem;
  line-height: 1.7;
}

.notebook-en {
  margin: 0;
  font-family: var(--font-english);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.notebook-note {
  margin: 8px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.empty-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.site-footer {
  padding: 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--bar-border);
}

.site-footer p {
  margin: 4px 0;
}

.aa-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 70dvh;
  overflow: auto;
  padding: 16px 18px 28px;
  background: var(--bar-bg);
  border-top: 1px solid var(--bar-border);
  border-radius: 16px 16px 0 0;
  z-index: 55;
}

.aa-sheet[hidden] {
  display: none;
}

.about-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 85dvh;
  overflow: auto;
  padding: 16px 18px 28px;
  background: var(--bar-bg);
  border-top: 1px solid var(--bar-border);
  border-radius: 16px 16px 0 0;
  z-index: 60;
}

.about-sheet[hidden] {
  display: none;
}

.about-sheet__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.about-sheet__header h2 {
  margin: 0;
  font-size: 1rem;
}

.about-sheet__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-block h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.about-block__urdu-title {
  margin: 0 0 6px;
  font-family: var(--font-urdu);
  font-size: 0.95rem;
}

.about-meta {
  margin: 0 0 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.about-block ul {
  margin: 0 0 10px;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  line-height: 1.55;
}

.about-block li + li {
  margin-top: 6px;
}

.about-link {
  font-size: 0.85rem;
  color: var(--text);
}

.aa-reader-only[hidden] {
  display: none;
}

.aa-reader-only {
  margin-top: 4px;
}

.aa-sheet__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.aa-sheet__header h2 {
  margin: 0;
  font-size: 1rem;
}

.aa-row {
  display: flex;
  justify-content: space-between;
  margin: 8px 0;
  font-size: 0.9rem;
}

.aa-label {
  margin: 14px 0 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.aa-btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.chip.active {
  background: var(--chip-active);
  color: var(--chip-active-text);
  border-color: var(--chip-active);
}

input[type="range"] {
  width: 100%;
}

.aa-row--toggle input {
  width: 18px;
  height: 18px;
}

@media (min-width: 768px) {
  .library-list,
  .chapter-grid,
  .notebook-list,
  .about-sheet,
  .aa-sheet {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }

  .chapter-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    max-width: 560px;
    gap: 8px;
    padding-top: 14px;
  }

  .book-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 360px) {
  .chapter-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .library-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
    max-width: 960px;
  }

  .book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}