/* === Mobile First (base is 320px+) === */

/* Small phones - 375px+ */
@media (min-width: 375px) {
  .mcq-options {
    gap: var(--space-3);
  }
}

/* Larger phones - 480px+ */
@media (min-width: 480px) {
  .lesson-intro__icon {
    width: 100px;
    height: 100px;
    font-size: 44px;
  }

  .exercise__prompt {
    font-size: var(--text-3xl);
  }

  .stats-bar {
    gap: var(--space-8);
  }
}

/* Tablets - 768px+ */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }

  h1 {
    font-size: var(--text-4xl);
  }

  .mcq-options {
    gap: var(--space-4);
  }

  .mcq-option {
    padding: var(--space-5);
    font-size: var(--text-xl);
    min-height: 72px;
  }

  .matching {
    gap: var(--space-8);
  }

  .lesson-path::before {
    width: 4px;
  }

  .lesson-node__circle {
    width: 72px;
    height: 72px;
    font-size: 28px;
  }

  .lesson-node:nth-child(odd) {
    transform: translateX(-50px);
  }

  .lesson-node:nth-child(even) {
    transform: translateX(50px);
  }

  .lesson-node:nth-child(odd):hover {
    transform: translateX(-50px) scale(1.05);
  }

  .lesson-node:nth-child(even):hover {
    transform: translateX(50px) scale(1.05);
  }

  .action-buttons {
    gap: var(--space-4);
  }

  .lesson-summary__stats {
    gap: var(--space-12);
  }

  .welcome__title {
    font-size: var(--text-4xl);
  }
}

/* Desktop - 1024px+ */
@media (min-width: 1024px) {
  .header__inner {
    padding: 0 var(--space-6);
  }

  .lesson-player__header {
    padding: var(--space-3) var(--space-8);
  }

  .exercise {
    padding: var(--space-12) var(--space-4);
  }
}

/* Wide desktop - 1280px+ */
@media (min-width: 1280px) {
  .stats-bar {
    gap: var(--space-10);
  }
}

/* === Touch device overrides === */
@media (hover: none) {
  .mcq-option:hover {
    border-color: var(--color-border);
    background: var(--color-white);
    transform: none;
  }

  .mcq-option--selected:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
  }

  .lesson-node:hover {
    transform: none;
  }

  .lesson-node:nth-child(odd):hover {
    transform: translateX(-30px);
  }

  .lesson-node:nth-child(even):hover {
    transform: translateX(30px);
  }

  .matching__item:hover {
    border-color: var(--color-border);
    background: var(--color-white);
  }

  .word-tile:hover {
    border-color: var(--color-border);
    background: var(--color-white);
    transform: none;
  }
}

/* === Print === */
@media print {
  .header,
  .lesson-player__bottom,
  .action-buttons {
    display: none;
  }

  .page__content {
    padding-top: 0;
  }
}