/* Buttons */
.btn,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-medium);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-standard);
  gap: 0.5rem;
  min-height: 44px;
  position: relative;
  overflow: hidden;
}

.btn:hover,
.icon-button:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--color-surface-hover);
}

.btn:active,
.icon-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:focus-visible,
.icon-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled,
.icon-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Container Controls */
.container-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
  margin-top: var(--spacing-md);
}

.control-row {
  display: grid;
  gap: var(--spacing-sm);
  width: 100%;
}

/* First row - single button */
.control-row:first-child {
  grid-template-columns: 1fr;
}

/* Second row - two buttons */
.control-row:nth-child(2) {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  width: 100%;
  align-items: stretch;
}

/* Ensure all buttons in the second row have consistent styling */
.control-row:nth-child(2) > * {
  height: 56px;
  display: flex;
  align-items: stretch;
}

#copyButton,
#ttsControl,
#retryButton,
#globalRetryButton {
  width: 100%;
  height: 56px !important;
  min-height: 56px;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--border-radius-md) !important;
  background: var(--color-surface) !important;
  justify-content: center !important;
  position: relative !important;
  overflow: hidden !important;
  box-shadow: var(--shadow-sm) !important;
  transition: all var(--transition-standard) !important;
}

#copyButton:hover,
#ttsControl:hover,
#retryButton:hover,
#globalRetryButton:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-md) !important;
  border-color: var(--color-primary) !important;
  background: var(--color-surface-hover) !important;
}

#copyButton:active,
#ttsControl:active,
#retryButton:active,
#globalRetryButton:active {
  transform: translateY(0) !important;
  box-shadow: var(--shadow-sm) !important;
}

#copyButton:focus-visible,
#ttsControl:focus-visible,
#retryButton:focus-visible,
#globalRetryButton:focus-visible {
  outline: 2px solid var(--color-primary) !important;
  outline-offset: 2px !important;
}

#ttsContainer {
  width: 100%;
  height: 100%;
}

#ttsContainer:not(.hidden) {
  display: block;
}

/* Mobile styles */
@media (max-width: 480px) {
  #copyButton,
  #ttsControl,
  #retryButton,
  #globalRetryButton {
    height: 48px !important;
    min-height: 48px;
    padding: var(--spacing-sm);
    font-size: var(--font-size-small);
  }

  .button-text {
    font-size: var(--font-size-small);
  }
}

.icon-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-medium);
  transition: all var(--transition-standard);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.icon-button:hover {
  border-color: var(--color-primary-light);
  background-color: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.icon-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.button-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.button-inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.button-text {
  font-weight: var(--font-weight-medium);
}

.button-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  opacity: 0;
  transition: opacity var(--transition-standard);
}

.button-loading.hidden {
  display: none;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-surface-elevated);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--border-radius-full);
  transition: width var(--transition-standard);
  position: absolute;
  top: 0;
  left: 0;
}

/* Streaming Indicator */
.streaming-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: var(--color-surface-elevated);
  border-radius: var(--border-radius-md);
  margin: var(--spacing-md) 0;
}

.streaming-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1000;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  animation: fadeIn 0.2s ease-out;
  opacity: 0.95;
}

.toast svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.toast .message {
  flex: 1;
  line-height: 1.2;
}

.toast .close-button {
  background: none;
  border: none;
  width: 16px;
  height: 16px;
  padding: 0;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.toast .close-button:hover {
  opacity: 1;
}

/* Animations */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* High Contrast Mode */
@media (forced-colors: active) {
  .control-selector,
  .icon-button {
    border: 2px solid CanvasText;
  }
  
  .control-selector:focus-visible,
  .icon-button:focus-visible {
    outline: 2px solid CanvasText;
  }
  
  .toast {
    border: 2px solid CanvasText;
  }
}

/* Upload Area */
.upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  margin: var(--spacing-md) 0;
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-standard);
  min-height: 500px;
  box-shadow: var(--shadow-sm);
}

.upload-area:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.upload-area h2 {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-xlarge);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  transition: color var(--transition-standard);
}

.upload-area:hover h2 {
  color: var(--color-primary-light);
}

.upload-icon {
  width: 64px;
  height: 64px;
  color: var(--color-text-secondary);
  transition: color var(--transition-standard), transform var(--transition-standard);
}

.upload-area:hover .upload-icon {
  color: var(--color-primary);
  transform: translateY(-5px);
}

.upload-info {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  color: var(--color-text-tertiary);
  transition: color var(--transition-standard);
}

.upload-info p {
  font-size: var(--font-size-small);
}

#fileInput {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  cursor: pointer;
}

/* Paste Button Container */
.paste-button-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 800px;
  margin: 1rem auto;
  padding: 0 1rem;
}

.paste-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-standard);
  box-shadow: var(--shadow-sm);
  min-width: 140px;
  position: relative;
  z-index: 2;
}

.paste-button:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.paste-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.paste-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.paste-button svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Progress Container */
.progress-container {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-surface);
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-surface-elevated);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-border);
  background-size: 200% 200%;
  animation: gradientRotate 4s linear infinite;
  border-radius: var(--border-radius-full);
  transition: width var(--transition-standard);
  position: absolute;
  top: 0;
  left: 0;
}

/* Streaming Indicator */
.streaming-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: var(--color-surface);
}

.streaming-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
}

@media (max-width: 480px) {
  .paste-button {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xsmall);
    min-width: 120px;
  }
  
  .progress-container {
    padding: var(--spacing-sm);
  }
  
  .streaming-avatar {
    width: 32px;
    height: 32px;
  }
}

/* Result container */
.result-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-standard);
  animation: fadeIn var(--transition-standard) forwards;
}

.image-container {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  background: rgba(0, 0, 0, 0.05);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  overflow: hidden;
}

/* Alt text container */
.alt-text-container {
  padding: var(--spacing-md);
  background: var(--color-surface-elevated);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

/* Control Panel */
.control-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  width: 100%;
  margin: var(--spacing-md) 0;
  background: var(--color-surface);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.control-group label {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.control-selector {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-medium);
  transition: all var(--transition-standard);
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.control-selector:hover {
  border-color: var(--color-primary-light);
  background-color: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.control-selector:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Remove toggle icon to dropdowns */
.control-selector::after {
  display: none;
}

.control-selector:hover::after {
  display: none;
}

@media (max-width: 480px) {
  .paste-button {
    padding: 0.75rem 1rem;
    font-size: var(--font-size-small);
  }
  .upload-area {
    padding: 1rem;
    min-height: 500px;
  }
  .upload-area h2 {
    font-size: var(--font-size-large);
  }
  .upload-icon {
    width: 48px;
    height: 48px;
  }
  .result-container {
    margin-top: 1rem;
  }
  .alt-text-container {
    padding: 0.75rem;
  }
  .control-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .control-row:nth-child(2) {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }
  
  #copyButton,
  #ttsControl,
  #retryButton,
  #globalRetryButton {
    height: 48px !important;
    min-height: 48px;
    padding: var(--spacing-sm);
    font-size: var(--font-size-small);
  }

  .button-text {
    font-size: var(--font-size-small);
  }
}