/* ============================================
   CELSON — Mobile Dedicated Styles
   Fixes: iOS zoom, touch targets, safe areas,
   overscroll, tap highlight, orientation,
   viewport units, font scaling
   ============================================ */

/* --- 1. GLOBAL MOBILE RESETS (all viewports, applied last) --- */

/* Prevent iOS tap highlight flash */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-tap-highlight-color: rgba(21, 128, 61, 0.08);
}

/* Custom tap highlight for interactive elements */
a, button, [role="button"], .btn-primary, .btn-secondary,
.product-card, .bento-card, .explore-card,
.shop-item, .subpage-nav-links a {
  -webkit-tap-highlight-color: rgba(21, 128, 61, 0.12);
}

/* Improve touch scrolling everywhere */
html {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* Prevent pull-to-refresh chain on scrollable containers */
.specs-table-wrapper,
.subpage-nav-links,
.shop-product-list,
.shipping-preview-grid,
.cart-popup-body,
.shop-filter-bar {
  overscroll-behavior: contain;
}

/* --- 2. FIX iOS INPUT ZOOM (CRITICAL) --- */

/* iOS Safari auto-zooms when font-size < 16px on focused inputs.
   Force 16px on all form elements at mobile breakpoints. */
@media (max-width: 768px) {
  input, select, textarea, button {
    font-size: 16px !important;
  }
}

/* --- 3. IMPROVED TOUCH TARGETS --- */

/* Enforce 44×44px minimum touch target on all interactive elements */
@media (max-width: 768px) {
  a, button, .btn-primary, .btn-secondary, .btn-sm,
  .subpage-nav-links a, .lang-switch,
  .nav-toggle, .header-nav a,
  .explore-card-link, .product-card,
  .cat-pill, .btn-add, .btn-view-cart,
  .cart-qty-btn, .btn-back, .cart-popup-close,
  .lightbox-close, .lightbox-nav,
  .shipping-gate-btn, .download-btn {
    min-height: 44px;
    min-width: 44px;
  }

  /* Keep inline elements from breaking layout */
  .coming-soon-badge, .product-card-badge,
  .hero-badge, .subpage-hero-badge,
  .section-label, .section-label--shipping {
    min-height: auto;
    min-width: auto;
  }

  /* Enforce on icon-only elements */
  .nav-toggle, .cart-popup-close, .lightbox-close,
  .back-to-top {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Ensure nav links are tall enough */
  .header-nav a {
    padding: 12px 0 !important;
  }

  /* Product grid cards — full width tap area */
  .product-card, .bento-card, .explore-card {
    cursor: pointer;
  }

  /* Shop quantity buttons */
  .cart-qty-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* --- 4. SAFE AREA INSETS (consistent across all pages) --- */

/* Top safe area for fixed headers */
.site-header {
  padding-top: env(safe-area-inset-top, 0px);
}

/* Bottom safe area for fixed bottom elements */
.cro-floating-bar,
.shop-cart-bar,
.shop-fab,
.back-to-top {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Content padding respects safe areas */
@media (max-width: 768px) {
  .container {
    padding-left: max(14px, env(safe-area-inset-left, 14px));
    padding-right: max(14px, env(safe-area-inset-right, 14px));
  }

  body {
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
}

/* --- 5. FIX 100vh MOBILE ISSUE --- */

/* Use -webkit-fill-available for full-height sections on iOS */
@supports (-webkit-touch-callout: none) {
  .hero-section,
  .splash-screen,
  .lightbox-overlay,
  .cart-popup-overlay {
    min-height: -webkit-fill-available;
  }
}

/* --- 6. ORIENTATION HANDLING --- */

/* Landscape phone adjustments */
@media (max-width: 896px) and (orientation: landscape) {
  .hero-section {
    min-height: auto;
    padding: 40px 0;
  }

  .site-header {
    position: relative;
  }

  /* Reduce vertical content to fit landscape viewport */
  .hero-content h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    margin-bottom: 8px;
  }

  .hero-content p {
    margin-bottom: 12px;
    font-size: 14px;
  }

  /* Keep nav scrollable in landscape */
  .header-nav.open {
    max-height: 70vh;
    overflow-y: auto;
  }
}

/* --- 7. FONT SCALING (clamp-based responsive typography) --- */

/* Mobile-first fluid typography using clamp() */
@media (max-width: 768px) {
  html {
    font-size: clamp(14px, 3.5vw, 16px);
  }

  /* Product card titles */
  .product-card-body h3 {
    font-size: clamp(15px, 4vw, 18px);
  }

  /* Bento card titles */
  .bento-card-body h3,
  .bento-card-body h4 {
    font-size: clamp(14px, 3.8vw, 17px);
  }

  /* Section headers */
  .section-header h2 {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }

  /* Hero titles */
  .hero-content h1 {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    line-height: 1.2;
  }
}

/* --- 8. TOUCH SCROLLING IMPROVEMENTS --- */

/* Smooth momentum scrolling on iOS */
.scroll-container,
.specs-table-wrapper,
.subpage-nav-links,
.shipping-preview-grid,
.shop-product-list {
  -webkit-overflow-scrolling: touch;
  overflow-x: auto;
  scroll-behavior: smooth;
  /* Hide scrollbar but keep functionality */
  scrollbar-width: thin;
  scrollbar-color: var(--slate-200) transparent;
}

/* Custom scrollbar for WebKit */
.scroll-container::-webkit-scrollbar,
.specs-table-wrapper::-webkit-scrollbar,
.subpage-nav-links::-webkit-scrollbar,
.shipping-preview-grid::-webkit-scrollbar {
  height: 4px;
}

.scroll-container::-webkit-scrollbar-thumb,
.specs-table-wrapper::-webkit-scrollbar-thumb,
.subpage-nav-links::-webkit-scrollbar-thumb,
.shipping-preview-grid::-webkit-scrollbar-thumb {
  background: var(--slate-200);
  border-radius: 2px;
}

/* --- 9. TOUCH INTERACTION POLISH --- */

/* Remove hover states on touch devices (use :active instead) */
@media (hover: none) and (pointer: coarse) {
  /* Replace hover with active states */
  .product-card:hover,
  .bento-card:hover,
  .explore-card:hover {
    transform: none;
    box-shadow: var(--shadow-md);
  }

  .product-card:active,
  .bento-card:active,
  .explore-card:active {
    transform: scale(0.98);
    transition: transform 0.1s;
  }

  .btn-primary:hover,
  .btn-secondary:hover {
    transform: none;
  }

  .btn-primary:active {
    transform: scale(0.96);
    transition: transform 0.1s;
  }

  /* Disable animations that hurt touch UX */
  .bento-card,
  .product-card,
  .explore-card {
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
}

/* --- 10. STICKY/FIXED ELEMENT ADJUSTMENTS --- */

@media (max-width: 768px) {
  /* Ensure fixed elements don't overlap content */
  .cro-floating-bar {
    z-index: 1000;
  }

  /* Back to top button position */
  .back-to-top {
    bottom: max(80px, calc(env(safe-area-inset-bottom, 20px) + 70px));
    right: 16px;
    z-index: 999;
  }

  /* WhatsApp floating button */
  .whatsapp-float {
    bottom: max(140px, calc(env(safe-area-inset-bottom, 20px) + 130px));
  }
}

/* --- 11. REDUCED MOTION — NEVER SKIP --- */

@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;
  }
}

/* --- 12. DARK MODE SUPPORT --- */

@media (prefers-color-scheme: dark) {
  /* Keep the site usable in dark mode even without full dark theme */
  img:not([src*=".svg"]) {
    opacity: 0.95;
  }

  /* Ensure text contrast */
  .hero-content h1,
  .section-header h2,
  .product-card-body h3 {
    text-shadow: none;
  }
}

/* --- 13. PRINT STYLES --- */

@media print {
  .cro-floating-bar,
  .whatsapp-float,
  .back-to-top,
  .site-header,
  .site-footer,
  .subpage-nav,
  .lang-switch,
  .splash-screen,
  .skeleton-placeholder {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* --- 14. VIEWPORT META FALLBACK (handled via JS for dynamic updates) --- */

/* Visual viewport API — handled in mobile.js */