.studio-page {
  padding-top: calc(var(--nav-height) + var(--space-lg));
  min-height: 100vh;
  background: var(--color-bg);
  padding-bottom: var(--space-2xl);
}

.studio-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.studio-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: var(--space-xs);
}

.studio-header p {
  color: var(--color-text-muted);
}

.studio-quota {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-md);
}

.studio-tabs {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.studio-tab {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.studio-tab:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text);
}

.studio-tab.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

.studio-panel {
  display: none;
  max-width: 800px;
  margin: 0 auto;
}

.studio-panel.active {
  display: block;
}

.studio-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.studio-field {
  margin-bottom: var(--space-md);
}

.studio-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.studio-field textarea,
.studio-field select {
  width: 100%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  resize: vertical;
  transition: border-color var(--transition);
}

.studio-field textarea {
  min-height: 120px;
}

.studio-field textarea:focus,
.studio-field select:focus {
  outline: none;
  border-color: var(--color-primary-light);
}

.studio-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
}

.studio-actions .btn {
  min-width: 140px;
}

.studio-actions .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.studio-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

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

.studio-output {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.studio-output__label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-sm);
}

.studio-output__text {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  color: var(--color-text);
  line-height: 1.7;
  white-space: pre-wrap;
  min-height: 80px;
}

.studio-output__empty {
  color: var(--color-text-dim);
  font-style: italic;
  text-align: center;
  padding: var(--space-lg);
}

.studio-output__image {
  text-align: center;
}

.studio-output__image img {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin: 0 auto;
}

.studio-output__actions {
  margin-top: var(--space-sm);
  display: flex;
  gap: var(--space-sm);
}

.studio-error {
  margin-top: var(--space-md);
  padding: 0.75rem 1rem;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #fca5a5;
  font-size: 0.9rem;
  display: none;
}

.studio-error.visible {
  display: block;
}

.nav__link--active {
  color: var(--color-text) !important;
}

@media (max-width: 768px) {
  .studio-tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .studio-tab {
    text-align: center;
  }
}