/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-light);
}

.btn-ghost {
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ===== Form Fields ===== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

/* ===== Field Tooltip ===== */
.field-tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--color-text-muted);
  color: var(--color-text-muted);
  font-size: 9px;
  font-weight: 700;
  font-style: normal;
  margin-left: 4px;
  vertical-align: middle;
  position: relative;
  top: -1px;
  cursor: help;
  position: relative;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  line-height: 1;
}

.field-tooltip:hover {
  opacity: 1;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.field-tooltip::after {
  content: attr(data-tip);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 400;
  white-space: normal;
  min-width: 180px;
  max-width: 280px;
  line-height: 1.5;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 100;
  text-align: left;
}

.field-tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Tooltip arrow */
.field-tooltip::before {
  content: '';
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-bottom-color: var(--color-border);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 101;
}

.field-tooltip:hover::before {
  opacity: 1;
  visibility: visible;
}

.form-description {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 14px;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239898b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Toggle/Switch */
.form-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--color-bg-elevated);
  border-radius: 11px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.form-toggle input {
  display: none;
}

.form-toggle input:checked + .toggle-switch {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.form-toggle input:checked + .toggle-switch::after {
  left: 20px;
  background: white;
}

.toggle-label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ===== Parameters Grid ===== */
.params-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 32px;
}

@media (max-width: 480px) {
  .params-grid {
    grid-template-columns: 1fr;
  }
}

/* Boolean toggles row - separate from input grid */
.params-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.params-toggles > .form-group {
  margin-bottom: 0;
}

/* ===== Upload Area ===== */
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-bg-tertiary);
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.upload-area-icon {
  font-size: 36px;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.upload-area-text {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.upload-area-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.upload-area-count {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* Compact audio upload - horizontal bar instead of tall box */
.upload-audio-compact .upload-area {
  min-height: auto;
  padding: 14px 20px;
  flex-direction: row;
  gap: 12px;
}

.upload-audio-compact .upload-area-icon {
  font-size: 22px;
  margin-bottom: 0;
}

.upload-audio-compact .upload-area-text {
  font-size: 13px;
}

.upload-audio-compact .upload-area-hint {
  margin-top: 0;
  margin-left: 4px;
}

/* Upload Placeholder (empty slots in multi-upload grid) */
.upload-placeholder {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.35;
}

.upload-placeholder span {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Upload Preview */
.upload-preview {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
}

.upload-preview img,
.upload-preview video {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.upload-preview-info {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.upload-preview-remove {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 14px;
  cursor: pointer;
}

.upload-preview-remove:hover {
  background: var(--color-error);
}

/* Upload Progress */
.upload-progress {
  height: 3px;
  background: var(--color-bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

/* Multi Upload Grid */
.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.upload-grid .upload-area {
  padding: 24px 16px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.upload-grid .upload-preview {
  min-height: 140px;
}

.upload-grid .upload-preview img,
.upload-grid .upload-preview video {
  height: 140px;
}

/* ===== Task Card ===== */
.task-card {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 12px;
}

.task-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.task-card-model {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.task-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.task-card-time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.task-card-prompt {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.status-badge.submitting,
.status-badge.pending {
  background: var(--color-info-subtle);
  color: var(--color-info);
}

.status-badge.running {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
}

.status-badge.succeeded {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.status-badge.failed {
  background: var(--color-error-subtle);
  color: var(--color-error);
}

/* Spinner */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Result media loading (image / video / audio) */
.result-media-wrap {
  position: relative;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.result-media-wrap.is-image { min-height: 160px; }
.result-media-wrap.is-video { min-height: 120px; aspect-ratio: 16/9; }
.result-media-wrap.is-audio { min-height: 54px; border-radius: var(--radius-sm); }

.result-media-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 30%, var(--color-bg-elevated) 50%, transparent 70%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  z-index: 0;
}

.result-media-wrap.loaded {
  min-height: unset;
  background: none;
  aspect-ratio: unset;
}

.result-media-wrap.loaded::before {
  display: none;
}

/* Image inside wrap */
.result-media-wrap img,
.result-media-wrap video {
  position: relative;
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.result-media-wrap audio {
  position: relative;
  display: block;
  width: 100%;
  padding: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.result-media-wrap.loaded img,
.result-media-wrap.loaded video,
.result-media-wrap.loaded audio {
  opacity: 1;
}

/* Legacy alias */
.result-image-wrap { position: relative; background: var(--color-bg-tertiary); border-radius: var(--radius-md); overflow: hidden; min-height: 160px; }
.result-image-wrap::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 30%, var(--color-bg-elevated) 50%, transparent 70%); background-size: 200% 100%; animation: shimmer 1.5s ease-in-out infinite; }
.result-image-wrap.loaded { min-height: unset; background: none; }
.result-image-wrap.loaded::before { display: none; }
.result-image-wrap img { position: relative; display: block; width: 100%; border-radius: var(--radius-md); opacity: 0; transition: opacity 0.3s ease; }
.result-image-wrap.loaded img { opacity: 1; }

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

/* ===== Video Player ===== */
.video-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
}

.video-container video {
  width: 100%;
  display: block;
}

.video-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* ===== Model Selector ===== */
.model-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.model-chip {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.model-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.model-chip.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* ===== Section ===== */
.section {
  margin-bottom: 36px;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-divider {
  height: 1px;
  background: var(--color-border);
  margin: 24px 0;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state-text {
  font-size: 14px;
}

/* ===== Tab Navigation ===== */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
  overflow-x: auto;
}

.tab {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab:hover {
  color: var(--color-text-secondary);
}

.tab.active {
  color: var(--color-accent-text);
  border-bottom-color: var(--color-accent);
}

/* ===== Generate Button ===== */
.generate-section {
  margin-top: 28px;
  margin-bottom: 24px;
}

.btn-generate {
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-accent), #8b5cf6);
  border-radius: var(--radius-md);
  color: white;
  transition: all var(--transition-fast);
}

.btn-generate:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-generate:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-generate .spinner {
  width: 16px;
  height: 16px;
}