/* Read Aloud Feature Styles */

.read-aloud-button {
  position: relative;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.25) 100%);
  backdrop-filter: blur(16px) saturate(200%);
  -webkit-backdrop-filter: blur(16px) saturate(200%);
  color: #2c2c2c;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow:
    0 2px 8px rgba(122, 61, 92, 0.1),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s;
}

.read-aloud-button:hover {
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0.35) 100%);
  transform: translateY(-2px);
  box-shadow:
    0 4px 16px rgba(122, 61, 92, 0.15),
    inset 0 1px 1px rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.5);
}

.read-aloud-button.playing {
  background: linear-gradient(135deg,
    rgba(231, 76, 60, 0.35) 0%,
    rgba(231, 76, 60, 0.2) 100%);
  border-color: rgba(255, 255, 255, 0.3);
  color: #8b2f23;
}

.read-aloud-button.playing:hover {
  background: linear-gradient(135deg,
    rgba(231, 76, 60, 0.45) 0%,
    rgba(231, 76, 60, 0.3) 100%);
}

.read-aloud-button.loading {
  animation: ra-pulse 1.2s ease-in-out infinite;
  pointer-events: auto;
}

@keyframes ra-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@media (max-width: 768px) {
  .read-aloud-button {
    bottom: 1rem;
    right: 1rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }
}

.article p,
.article h2,
.article h3,
.article blockquote,
.article ul,
.article ol {
  position: relative;
  padding: 0.5rem 0.5rem 0.5rem 1.5rem;
  margin-left: -1.5rem;
  margin-right: -0.5rem;
  border-radius: 4px;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
}

.article p.reading-active,
.article h2.reading-active,
.article h3.reading-active,
.article blockquote.reading-active,
.article ul.reading-active,
.article ol.reading-active {
  background: rgba(139, 69, 103, 0.15);
  border-left-color: var(--accent-article);
}

.paragraph-play-button {
  position: absolute;
  left: -40px;
  top: 0.25rem;
  width: 28px;
  height: 28px;
  border: none;
  background: #d0d0d0;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  opacity: 0.7;
  padding: 0;
}

.paragraph-play-button:hover {
  background: #a0a0a0;
  opacity: 1;
  transform: scale(1.1);
}

.paragraph-play-button svg {
  width: 14px;
  height: 14px;
  fill: white;
  margin-left: 2px;
}

.read-aloud-controls {
  position: fixed;
  top: 1rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  /* Prevent overflow when browser is half-width */
  max-width: calc(100vw - 2rem);
}

/* Button group first (top) when controls are at top-right */
.read-aloud-controls .button-group {
  order: -1;
}

.voice-selector {
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0.3) 100%);
  backdrop-filter: blur(16px) saturate(200%);
  -webkit-backdrop-filter: blur(16px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 16px;
  padding: 1rem;
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.08),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
  display: none;
  min-width: 200px;
}

.voice-selector.show {
  display: block;
}

.voice-selector select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #2c2c2c;
}

.voice-selector select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.voice-selector label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #2c2c2c;
  margin-bottom: 0.25rem;
}

.a2f-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #999;
  flex-shrink: 0;
  transition: background 0.4s;
}

.a2f-status.connected {
  background: #4caf50;
  box-shadow: 0 0 4px rgba(76, 175, 80, 0.5);
}

.a2f-status.disconnected {
  background: #ff9800;
  box-shadow: 0 0 4px rgba(255, 152, 0, 0.4);
}

.a2f-status-label {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(0, 0, 0, 0.35);
  white-space: nowrap;
  transition: color 0.4s;
}

.button-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.settings-button {
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.25) 100%);
  backdrop-filter: blur(16px) saturate(200%);
  -webkit-backdrop-filter: blur(16px) saturate(200%);
  color: #2c2c2c;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50px;
  cursor: pointer;
  box-shadow:
    0 2px 8px rgba(122, 61, 92, 0.1),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px) scale(0.95);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.button-group:hover .settings-button,
.settings-button.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

.settings-button:hover {
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0.35) 100%);
  border-color: rgba(255, 255, 255, 0.5);
}

.settings-button.active {
  background: linear-gradient(135deg,
    rgba(139, 69, 103, 0.4) 0%,
    rgba(139, 69, 103, 0.25) 100%);
  border-color: rgba(255, 255, 255, 0.4);
  color: white;
}

@media (max-width: 768px) {
  .read-aloud-controls {
    top: 0.5rem;
    right: 0.5rem;
    max-width: calc(100vw - 1rem);
  }
}

@media (max-width: 480px) {
  .button-group {
    gap: 0.35rem;
  }

  .read-aloud-button {
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
  }

  .settings-button {
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
  }
}