:root {
  /* Default light theme fallbacks */
  --bg-color: var(--tg-theme-bg-color, #ffffff);
  --text-color: var(--tg-theme-text-color, #111827);
  --secondary-text-color: var(--tg-theme-hint-color, #6b7280);
  --hint-color: var(--tg-theme-hint-color, #9ca3af);
  --link-color: var(--tg-theme-link-color, #2481cc);
  --button-color: var(--tg-theme-button-color, #2481cc);
  --button-text-color: var(--tg-theme-button-text-color, #ffffff);
  --secondary-bg-color: var(--tg-theme-secondary-bg-color, #f3f4f6);
  --header-bg-color: var(--tg-theme-header-bg-color, var(--bg-color));
  --card-bg-color: var(--tg-theme-section-bg-color, #ffffff);
  --border-color: rgba(0, 0, 0, 0.08);
  --divider-color: rgba(0, 0, 0, 0.06);

  --accent-color: #2481cc;
  --accent-hover: #1b66a4;
  --accent-soft: rgba(36, 129, 204, 0.12);
  --success-color: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --error-color: #ef4444;

  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-scripture: "Charter", "Georgia", "Cambria", "Times New Roman", serif;
  --verse-font-size: 17px;
  --line-height-scripture: 1.68;

  --safe-top: var(--tg-safe-area-inset-top, env(safe-area-inset-top, 0px));
  --safe-bottom: var(--tg-safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-color: var(--tg-theme-bg-color, #18222d);
    --text-color: var(--tg-theme-text-color, #f3f4f6);
    --secondary-text-color: var(--tg-theme-hint-color, #9ca3af);
    --hint-color: var(--tg-theme-hint-color, #6b7280);
    --button-color: var(--tg-theme-button-color, #2ea6ff);
    --button-text-color: var(--tg-theme-button-text-color, #ffffff);
    --secondary-bg-color: var(--tg-theme-secondary-bg-color, #131b24);
    --card-bg-color: var(--tg-theme-section-bg-color, #202b36);
    --border-color: rgba(255, 255, 255, 0.08);
    --divider-color: rgba(255, 255, 255, 0.06);
    --accent-soft: rgba(46, 166, 255, 0.16);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-ui);
  background-color: var(--secondary-bg-color);
  color: var(--text-color);
  min-height: 100vh;
  min-height: -webkit-fill-available;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hidden {
  display: none !important;
}

.app-container {
  max-width: 680px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--bg-color);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: var(--header-bg-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: calc(var(--safe-top) + 8px) 16px 12px 16px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

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

.brand-icon {
  width: 22px;
  height: 22px;
  color: var(--button-color);
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--secondary-text-color);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.icon-btn:hover, .icon-btn:focus-visible {
  background-color: var(--secondary-bg-color);
  color: var(--text-color);
}

.icon-btn:active {
  transform: scale(0.94);
}

/* Date Bar */
.date-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0 8px 0;
}

.nav-arrow-btn {
  background: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.nav-arrow-btn svg {
  width: 18px;
  height: 18px;
}

.nav-arrow-btn:active {
  transform: scale(0.92);
}

.date-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 0;
  cursor: pointer;
  user-select: none;
}

.date-weekday {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.date-formatted {
  font-size: 12px;
  color: var(--secondary-text-color);
}

.today-chip {
  background: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  color: var(--button-color);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.today-chip.current-active {
  background: var(--accent-soft);
  border-color: transparent;
}

.today-chip:active {
  transform: scale(0.92);
}

.calendar-btn {
  background: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  color: var(--secondary-text-color);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.1s ease, color 0.15s ease;
}

.calendar-btn svg {
  width: 18px;
  height: 18px;
}

.calendar-btn:active {
  transform: scale(0.92);
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 4px;
}

.primary-btn {
  background-color: var(--button-color);
  color: var(--button-text-color);
  border: none;
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.primary-btn:hover {
  opacity: 0.95;
}

.primary-btn:active {
  transform: scale(0.96);
}

.btn-icon {
  width: 16px;
  height: 16px;
}

.toolbar-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tool-btn {
  background: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  color: var(--secondary-text-color);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.tool-btn.active {
  background: var(--accent-soft);
  color: var(--button-color);
  border-color: transparent;
}

.tool-btn:active {
  transform: scale(0.92);
}

.font-size-group {
  display: inline-flex;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.font-size-group .tool-btn {
  border: none;
  border-radius: 0;
  padding: 6px 8px;
}

.font-size-group .tool-btn:first-child {
  border-right: 1px solid var(--border-color);
}

/* Settings Panel */
.settings-panel {
  background-color: var(--card-bg-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px;
  animation: slideDown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.settings-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--secondary-text-color);
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
}

.settings-desc {
  font-size: 13px;
  color: var(--secondary-text-color);
  margin-bottom: 14px;
}

.subscription-box {
  background-color: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sub-status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sub-icon {
  font-size: 20px;
}

.sub-status-text {
  display: flex;
  flex-direction: column;
}

.sub-status-text strong {
  font-size: 14px;
  color: var(--text-color);
}

.sub-status-text small {
  font-size: 12px;
  color: var(--secondary-text-color);
}

.sub-toggle-btn {
  background-color: var(--button-color);
  color: var(--button-text-color);
  border: none;
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s ease;
}

.sub-toggle-btn.unsubscribe {
  background-color: rgba(239, 68, 68, 0.12);
  color: var(--error-color);
}

.sub-toggle-btn:disabled, .sub-toggle-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Main Content Area */
.app-main {
  flex: 1;
  padding: 16px;
  padding-bottom: calc(var(--safe-bottom) + 90px);
}

/* Skeletons */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  text-align: center;
}

.skeleton-card {
  width: 100%;
  background: var(--card-bg-color);
  border-radius: 14px;
  border: 1px solid var(--border-color);
  padding: 18px;
  margin-bottom: 16px;
}

.skeleton-line {
  background: linear-gradient(90deg, var(--secondary-bg-color) 25%, var(--border-color) 50%, var(--secondary-bg-color) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
  margin-bottom: 12px;
}

.skeleton-title {
  width: 60%;
  height: 20px;
  margin-bottom: 16px;
}

.skeleton-text {
  width: 100%;
  height: 14px;
}

.skeleton-text.short {
  width: 80%;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Error State */
.error-state {
  color: var(--secondary-text-color);
}

.state-icon {
  width: 48px;
  height: 48px;
  color: var(--error-color);
  margin-bottom: 16px;
}

.error-state h3 {
  font-size: 17px;
  color: var(--text-color);
  margin-bottom: 6px;
}

.error-hint {
  font-size: 13px;
  margin-bottom: 20px;
}

.retry-btn {
  padding: 8px 24px;
}

/* Reading Card */
.readings-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.reading-card {
  background: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.reading-card.is-playing {
  border-color: var(--button-color);
  box-shadow: 0 4px 16px var(--accent-soft);
}

.reading-card-header {
  padding: 14px 16px;
  background-color: var(--card-bg-color);
  border-bottom: 1px solid var(--divider-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.reading-titles {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.reading-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--button-color);
}

.reading-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-color);
}

.reading-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.reading-card-body {
  padding: 18px 20px;
}

.scripture-text {
  font-family: var(--font-scripture);
  font-size: var(--verse-font-size);
  line-height: var(--line-height-scripture);
  color: var(--text-color);
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}

.verse-item {
  display: inline;
}

.verse-num {
  font-family: var(--font-ui);
  font-size: 0.72em;
  font-weight: 700;
  color: var(--button-color);
  vertical-align: super;
  margin-right: 3px;
  margin-left: 5px;
  user-select: none;
}

.verse-item:first-child .verse-num {
  margin-left: 0;
}

.hide-verse-numbers .verse-num {
  display: none !important;
}

.reading-card-footer {
  padding: 10px 16px;
  background-color: var(--secondary-bg-color);
  border-top: 1px solid var(--divider-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.external-link {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.external-link:hover {
  text-decoration: underline;
}

/* Floating Audio Player */
.audio-player {
  position: fixed;
  bottom: calc(var(--safe-bottom) + 12px);
  left: 12px;
  right: 12px;
  max-width: 656px;
  margin: 0 auto;
  z-index: 50;
  background: var(--header-bg-color);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 12px 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  animation: slideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.player-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  gap: 10px;
}

.player-track-info {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.player-track-badge {
  background: var(--accent-soft);
  color: var(--button-color);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  flex-shrink: 0;
}

.player-track-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-color);
}

.player-close-btn {
  background: transparent;
  border: none;
  color: var(--secondary-text-color);
  font-size: 14px;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.player-progress-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.player-time {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--secondary-text-color);
  min-width: 32px;
}

.player-scrubber {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
}

.player-scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--button-color);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.player-scrubber::-webkit-slider-thumb:active {
  transform: scale(1.3);
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  position: relative;
}

.player-control-btn {
  background: transparent;
  border: none;
  color: var(--text-color);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.1s ease, color 0.15s ease;
}

.player-control-btn svg {
  width: 18px;
  height: 18px;
}

.player-control-btn:active {
  transform: scale(0.9);
}

.player-play-btn {
  background-color: var(--button-color);
  color: var(--button-text-color);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--accent-soft);
  transition: transform 0.1s ease, opacity 0.15s ease;
}

.player-play-btn svg {
  width: 20px;
  height: 20px;
}

.player-play-btn:active {
  transform: scale(0.92);
}

.player-speed-btn {
  position: absolute;
  right: 0;
  background: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.1s ease;
}

.player-speed-btn:active {
  transform: scale(0.92);
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(var(--safe-bottom) + 80px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 39, 0.9);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: toastFade 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

@keyframes toastFade {
  from {
    opacity: 0;
    transform: translate(-50%, 10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}