/**
 * SunoPadho — eBook Reader Design System
 */

.reader-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--reader-bg, #FFFFFF);
  color: var(--reader-text, #1C272C);
  transition: background-color var(--sp-transition-base), color var(--sp-transition-base);
}

/* Reader Top Toolbar */
.reader-toolbar {
  position: sticky;
  top: 0;
  z-index: var(--sp-z-sticky);
  background-color: var(--reader-surface, #F8FAF9);
  border-bottom: 1px solid var(--reader-border, #E8EEF1);
  padding: var(--sp-space-3) var(--sp-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-space-4);
  transition: all var(--sp-transition-base);
}

.reader-toolbar-left, .reader-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--sp-space-2);
}

.reader-book-heading {
  font-size: var(--sp-text-sm);
  font-weight: 700;
  color: var(--reader-text, #1C272C);
  text-align: center;
  max-width: 320px;
}

.reader-tool-btn {
  padding: 8px 12px;
  border-radius: var(--sp-radius-md);
  font-size: var(--sp-text-xs);
  font-weight: 600;
  color: var(--reader-muted, #5E727D);
  border: 1px solid var(--reader-border, #E8EEF1);
  background: var(--reader-bg, #FFFFFF);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--sp-transition-fast);
}

.reader-tool-btn:hover {
  color: var(--reader-text, #1C272C);
  border-color: var(--reader-muted, #5E727D);
}

/* Reader Settings Floating / Drawer Menu */
.reader-settings-panel {
  background-color: var(--reader-surface, #F8FAF9);
  border-bottom: 1px solid var(--reader-border, #E8EEF1);
  padding: var(--sp-space-4) var(--sp-space-6);
  display: none;
  gap: var(--sp-space-6);
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.reader-settings-panel.open {
  display: flex;
}

.reader-setting-group {
  display: flex;
  align-items: center;
  gap: var(--sp-space-2);
}

.reader-setting-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--reader-muted, #5E727D);
}

/* Theme Selector Chips */
.theme-chip {
  padding: 6px 12px;
  border-radius: var(--sp-radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.theme-chip-light { background: #FFFFFF; color: #1C272C; border-color: #DCE3E8; }
.theme-chip-sepia { background: #F4EEDC; color: #3D3021; border-color: #DFD6BE; }
.theme-chip-dark  { background: #0B1318; color: #E1E8EC; border-color: #1E313D; }

.theme-chip.active {
  box-shadow: 0 0 0 2px var(--sp-emerald-700);
}

/* Font Size Control */
.font-scale-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--sp-radius-sm);
  border: 1px solid var(--reader-border, #E8EEF1);
  background: var(--reader-bg, #FFFFFF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--reader-text, #1C272C);
}

/* ==========================================================================
   READER CONTENT BODY
   ========================================================================== */
.reader-body-wrapper {
  flex: 1;
  width: 100%;
  max-width: var(--sp-container-reader);
  margin: 0 auto;
  padding: var(--sp-space-10) var(--sp-space-6) var(--sp-space-16);
}

.reader-chapter-title {
  font-size: var(--sp-text-2xl);
  font-weight: 800;
  color: var(--reader-text, #1C272C);
  margin-bottom: var(--sp-space-2);
  text-align: center;
}

.reader-chapter-subtitle {
  font-size: var(--sp-text-sm);
  color: var(--reader-muted, #5E727D);
  text-align: center;
  margin-bottom: var(--sp-space-8);
  padding-bottom: var(--sp-space-4);
  border-bottom: 1px dashed var(--reader-border, #E8EEF1);
}

.reader-prose {
  font-size: 1.125rem;
  line-height: 1.9;
  letter-spacing: -0.005em;
}

.reader-prose p {
  color: var(--reader-text, #1C272C);
  margin-bottom: 1.5em;
  text-align: justify;
}

.reader-font-serif .reader-prose {
  font-family: var(--sp-font-serif);
}

.reader-font-sans .reader-prose {
  font-family: var(--sp-font-sans);
}

/* Urdu Reading Formatting */
.reader-prose.lang-ur, .reader-prose[lang="ur"] {
  font-family: var(--sp-font-urdu);
  direction: rtl;
  text-align: right;
  line-height: 2.3;
  font-size: 1.35rem;
}

/* Hindi Reading Formatting */
.reader-prose.lang-hi, .reader-prose[lang="hi"] {
  font-family: var(--sp-font-hindi);
  line-height: 2.0;
  font-size: 1.2rem;
}

/* Reader Navigation Footer */
.reader-navigation-footer {
  margin-top: var(--sp-space-12);
  padding-top: var(--sp-space-6);
  border-top: 1px solid var(--reader-border, #E8EEF1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-space-4);
}

.reader-progress-indicator {
  font-size: var(--sp-text-xs);
  color: var(--reader-muted, #5E727D);
  font-weight: 600;
}