/**
 * responsive.css
 * Viewport adaptations, mobile-first optimization, safe area insets, and tablet/desktop layouts.
 */

/* Mobile devices (< 480px) */
@media (max-width: 480px) {
  .app-container {
    width: 100%;
    max-width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
  }

  .play-header {
    padding: 12px 0 10px 0;
    margin-bottom: 12px;
  }

  .app-nav-tabs {
    margin-bottom: 14px;
    gap: 8px;
    padding-bottom: 2px;
  }

  .app-tab-chip {
    padding: 6px 14px;
    font-size: 12.5px;
  }

  .play-hero {
    padding: 0 0 12px 0;
  }

  .hero-main-row {
    gap: 14px;
    margin-bottom: 14px;
  }

  .app-icon-container {
    width: 68px;
    height: 68px;
    border-radius: 16px;
  }

  .play-app-title {
    font-size: 1.35rem; /* ~21.6px */
    margin-bottom: 3px;
    line-height: 1.22;
  }

  .play-dev-row {
    margin-bottom: 3px;
    gap: 5px;
  }

  .play-dev-link {
    font-size: 13px;
  }

  .app-monetization-tag {
    font-size: 11.5px;
    gap: 4px;
  }

  .play-stat-bar {
    padding: 10px 0;
    margin-bottom: 16px;
  }

  .stat-item-primary {
    font-size: 13.5px;
    gap: 3px;
  }

  .stat-star-icon {
    width: 12px;
    height: 12px;
  }

  .stat-item-label {
    font-size: 10.5px;
    margin-top: 2px;
  }

  .stat-badge-box {
    font-size: 9.5px;
    padding: 1px 3.5px;
  }

  .stat-divider {
    height: 20px;
  }

  .hero-cta-section {
    margin-bottom: 16px;
    padding: 0;
    margin-left: 0;
    margin-right: 0;
  }

  .btn-play-install {
    font-size: 15.5px;
    font-weight: 700;
    padding: 13px 20px;
    min-height: 48px;
  }

  .hero-cta-subtext {
    font-size: 11.5px;
    margin-top: 8px;
    margin-bottom: 4px;
    line-height: 1.35;
  }

  .hero-secondary-actions {
    margin-top: 10px;
    gap: 8px;
  }

  .action-pill-btn {
    padding: 6px 12px;
    font-size: 11.5px;
  }

  .play-screenshots-section {
    margin: 18px 0;
  }

  .screenshot-card {
    flex: 0 0 160px;
    border-radius: 14px;
  }

  .play-about-section {
    padding: 16px 0;
  }

  .about-summary-text {
    font-size: 13.5px;
    line-height: 1.5;
  }

  .tag-chips-row {
    gap: 6px;
    margin-bottom: 12px;
  }

  .tag-chip {
    padding: 5px 12px;
    font-size: 11.5px;
  }
}

/* Very Small Mobile (< 340px) */
@media (max-width: 340px) {
  .app-container {
    padding: 0 10px;
  }

  .app-icon-container {
    width: 58px;
    height: 58px;
    border-radius: 14px;
  }

  .play-app-title {
    font-size: 1.18rem;
  }

  .stat-item-primary {
    font-size: 12px;
  }

  .stat-item-label {
    font-size: 9.5px;
  }

  .btn-play-install {
    font-size: 14.5px;
    padding: 12px 16px;
    min-height: 44px;
  }

  .hero-secondary-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .action-pill-btn {
    justify-content: center;
    width: 100%;
  }

  .screenshot-card {
    flex: 0 0 145px;
  }

  .sticky-app-title {
    font-size: 12px;
  }

  .sticky-btn-install {
    padding: 10px 16px;
    font-size: 14px;
    min-height: 40px;
    min-width: 105px;
  }
}

/* Tablet & Larger Mobile screens (>= 481px and < 768px) */
@media (min-width: 481px) and (max-width: 767px) {
  .app-container {
    max-width: 560px;
    padding: 0 var(--space-5);
  }

  .screenshot-card {
    flex: 0 0 220px;
  }
}

/* Tablet (>= 768px) */
@media (min-width: 768px) {
  .app-container {
    max-width: var(--max-width-tablet);
    padding: 0 var(--space-6);
  }

  .app-icon-container {
    width: 100px;
    height: 100px;
    border-radius: 24px;
  }

  .play-app-title {
    font-size: var(--font-size-3xl);
  }

  .hero-main-row {
    gap: var(--space-6);
  }

  .btn-play-install {
    max-width: 360px;
    font-size: var(--font-size-lg);
    padding: 14px var(--space-8);
  }

  .hero-cta-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-secondary-actions {
    justify-content: flex-start;
  }

  .screenshot-card {
    flex: 0 0 240px;
  }

  .more-apps-list-view {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3) var(--space-4);
  }

  .review-cards-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .play-footer {
    padding-bottom: var(--space-8);
  }

  /* Sticky bar on tablet/desktop centers nicely */
  .mobile-sticky-install-bar {
    max-width: var(--max-width-tablet);
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
  }
}

/* Desktop (>= 1024px) */
@media (min-width: 1024px) {
  .app-container {
    max-width: var(--max-width-desktop);
    padding: 0 var(--space-8);
  }

  .play-hero {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-8);
    align-items: start;
  }

  .hero-info-column {
    padding-right: var(--space-4);
  }

  .hero-side-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
  }

  .screenshot-card {
    flex: 0 0 260px;
  }

  .review-cards-list {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Desktop: Hero section CTA is prominent and visible, sticky bar is focused on mobile/tablet */
  .mobile-sticky-install-bar {
    display: none;
  }
}

/* Safe area support for iOS/Android notches */
@supports (padding: max(0px)) {
  .mobile-sticky-install-bar {
    padding-bottom: max(var(--space-3), env(safe-area-inset-bottom));
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}