.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .app-header h1 {
    font-size: var(--font-size-xl);
  }

  .main-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .camera-container {
    max-width: 100%;
  }

  .controls-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-lg {
    width: 100%;
  }

  .response-card {
    padding: var(--space-4);
  }

  .app-container {
    padding: var(--space-3);
  }
}

@media (max-width: 580px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }

  .app-header .logo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .app-header h1 {
    font-size: var(--font-size-lg) !important;
  }

  .header-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    margin-top: var(--space-1);
  }

  .lang-selector-wrapper {
    max-width: 110px;
    overflow: hidden;
  }

  .lang-select {
    width: 100%;
    text-overflow: ellipsis;
  }

  #statusText {
    display: none;
  }

  .status-indicator {
    padding: var(--space-1) var(--space-2);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-base: 0.9rem;
    --font-size-3xl:  1.5rem;
    --font-size-4xl:  1.75rem;
  }

  .section-title {
    font-size: var(--font-size-lg);
  }

  .btn-voice {
    width: 56px;
    height: 56px;
  }

  .camera-overlay {
    bottom: var(--space-2);
  }

  .toast-container {
    left: var(--space-2);
    right: var(--space-2);
  }

  .toast {
    min-width: auto;
  }

  .feedback-bar {
    flex-direction: column;
  }

  .auth-card {
    padding: var(--space-6) var(--space-4);
  }

  .social-login-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

@media (min-width: 1025px) {
  body.app-active {
    height: 100vh !important;
    overflow: hidden !important;
    display: flex;
    flex-direction: column;
  }

  body.app-active .app-header {
    flex-shrink: 0;
    height: 70px;
  }

  body.app-active .app-container {
    display: grid !important;
    grid-template-columns: 460px 1fr !important;
    gap: var(--space-6) !important;
    height: calc(100vh - 70px) !important;
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    padding: var(--space-5) var(--space-6) !important;
    overflow: hidden !important;
  }

  body.app-active .main-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-6) !important;
    height: 100% !important;
    overflow-y: auto !important;
    padding-right: var(--space-2) !important;
  }

  body.app-active .camera-section,
  body.app-active .question-section {
    margin-bottom: 0 !important;
    flex-shrink: 0 !important;
  }

  body.app-active .response-area {
    margin-top: 0 !important;
    height: 100% !important;
    overflow-y: auto !important;
    padding-right: var(--space-2) !important;
  }

  body.app-active .response-card,
  body.app-active .skeleton-card,
  body.app-active .welcome-placeholder {
    min-height: auto !important;
    margin-bottom: 0 !important;
  }
}


@media (max-height: 500px) and (orientation: landscape) {
  .camera-container {
    aspect-ratio: 16 / 9;
    max-height: 60vh;
  }
}