/* ===================================================================
   Mobile Responsive Design - Touch-Friendly Interactions
   Enhanced mobile experience with gesture support and optimizations
   =================================================================== */

/* ===== TOUCH-FRIENDLY BUTTON SIZES ===== */
button, 
a[role="button"],
.btn-auth,
.btn-primary,
.btn-secondary,
input[type="button"],
input[type="submit"],
.hamburger {
  min-height: 48px;
  min-width: 48px;
  padding: var(--space-3) var(--space-4);
  touch-action: manipulation;
}

/* Improved touch targets for interactive elements */
input, 
textarea, 
select {
  min-height: 44px;
  font-size: 16px; /* Prevents auto-zoom on iOS */
}

a {
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
}

/* ===== TOUCH FEEDBACK ===== */
button, 
input[type="button"],
input[type="submit"],
a[role="button"] {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Enhanced active state for touch */
@media (hover: none) and (pointer: coarse) {
  button:active,
  input[type="button"]:active,
  input[type="submit"]:active,
  a[role="button"]:active {
    transform: scale(0.98);
  }
}

/* ===== GESTURE AREAS ===== */
.swipe-container {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: pan-y;
}

.gallery-swipe {
  touch-action: pan-y pinch-zoom;
  -webkit-user-select: none;
  user-select: none;
}

.card-swipe {
  touch-action: pan-y;
}

/* ===== MOBILE FORM OPTIMIZATIONS ===== */
@media (max-width: 768px) {
  /* Better input spacing */
  .form-group {
    margin-bottom: var(--space-6);
  }

  .form-group label {
    display: block;
    margin-bottom: var(--space-3);
    font-size: 16px; /* Better readability on mobile */
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  /* Larger touch targets for form inputs */
  input, 
  textarea, 
  select {
    padding: var(--space-4) var(--space-3);
    font-size: 16px;
  }

  /* Bottom sheet for filters on mobile */
  .filter-modal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--space-6);
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 999;
    transform: translateY(100%);
    transition: transform var(--transition-fast);
  }

  .filter-modal.active {
    transform: translateY(0);
  }

  .filter-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--medium-gray);
  }

  .filter-modal-close {
    background-color: transparent;
    border: none;
    font-size: var(--text-xl);
    cursor: pointer;
    padding: var(--space-2);
  }

  /* Mobile-friendly dropdown */
  select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 1.5em 1.5em;
    padding-right: var(--space-8);
  }
}

/* ===== MOBILE GALLERY OPTIMIZATIONS ===== */
@media (max-width: 768px) {
  .gallery-container {
    position: relative;
    width: 100%;
    overflow: hidden;
  }

  .gallery-main {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
  }

  .gallery-nav {
    position: absolute;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-2);
    z-index: 10;
  }

  .gallery-nav button {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 0;
  }

  .gallery-nav button.active {
    background-color: var(--white);
    width: 10px;
    height: 10px;
  }

  .gallery-thumb-container {
    display: none;
  }

  .gallery-image-counter {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
  }

  /* Swipe indicators */
  .gallery-swipe-hint {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-xs);
    pointer-events: none;
    animation: swipeHint 2s infinite;
  }

  @keyframes swipeHint {
    0%, 100% {
      opacity: 0.5;
    }
    50% {
      opacity: 1;
    }
  }
}

/* ===== MOBILE CARD OPTIMIZATIONS ===== */
@media (max-width: 768px) {
  .property-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .property-image {
    height: 200px;
  }

  .property-info {
    padding: var(--space-4);
  }

  .property-amenities {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .amenity-tag {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .property-quick-book {
    width: 100%;
  }
}

/* ===== MOBILE MENU BOTTOM SHEET ===== */
@media (max-width: 768px) {
  .mobile-menu {
    max-height: 70vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-menu a,
  .mobile-menu button {
    padding: var(--space-4) var(--space-6);
    min-height: 44px;
    font-size: 16px;
  }
}

/* ===== MOBILE PAGINATION ===== */
@media (max-width: 768px) {
  .pagination {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
  }

  .pagination button {
    min-width: 44px;
    min-height: 44px;
  }
}

/* ===== MOBILE ALERTS & NOTIFICATIONS ===== */
.notification {
  min-height: 48px;
  padding: var(--space-4) var(--space-6);
  margin: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

@media (max-width: 480px) {
  .notification {
    margin: var(--space-3);
    max-width: calc(100vw - var(--space-6));
  }
}

/* ===== ULTRA MOBILE (< 480px) ===== */
@media (max-width: 480px) {
  /* Increase spacing for better touch interaction */
  button,
  a[role="button"],
  input[type="button"],
  input[type="submit"] {
    min-height: 56px;
    padding: var(--space-4) var(--space-6);
  }

  input,
  textarea,
  select {
    min-height: 56px;
    padding: var(--space-4) var(--space-3);
    font-size: 16px;
  }

  /* Full-width forms */
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.full {
    grid-column: 1 / -1;
  }

  /* Optimize text sizes for readability */
  h1 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
  }

  h2 {
    font-size: var(--text-xl);
  }

  .section-title {
    font-size: var(--text-2xl);
  }

  /* Stack columns on very small screens */
  .grid-2-col {
    grid-template-columns: 1fr;
  }

  /* Better spacing for search results */
  .results-container {
    gap: var(--space-4);
  }

  /* Optimize sidebar for mobile */
  .booking-form-wrapper {
    grid-template-columns: 1fr;
  }

  .booking-form-sidebar {
    position: static;
    top: auto;
    max-height: none;
  }
}

/* ===== KEYBOARD OPTIMIZATION ===== */
@media (max-width: 768px) {
  /* Prevent layout shift from scrollbar on iOS */
  html {
    overflow-y: scroll;
  }

  /* Better focus indicators for keyboard navigation */
  button:focus,
  input:focus,
  select:focus,
  textarea:focus,
  a:focus {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
  }

  /* Hide outline on mouse interaction */
  button:focus:not(:focus-visible),
  input:focus:not(:focus-visible),
  select:focus:not(:focus-visible),
  textarea:focus:not(:focus-visible),
  a:focus:not(:focus-visible) {
    outline: none;
  }
}

/* ===== LANDSCAPE ORIENTATION ===== */
@media (max-height: 500px) and (orientation: landscape) {
  header {
    padding: var(--space-2) var(--space-4);
  }

  .logo {
    font-size: var(--text-lg);
  }

  nav {
    gap: var(--space-4);
  }

  nav a {
    font-size: var(--text-sm);
  }

  h1 {
    font-size: var(--text-2xl);
  }

  .page-container {
    padding: var(--space-4);
  }
}

/* ===== SAFE AREA INSETS (for notch phones) ===== */
@supports (padding: max(0px)) {
  body {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
  }

  header {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
  }

  footer {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
    padding-bottom: max(var(--space-8), env(safe-area-inset-bottom));
  }

  .page-container {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
  }
}

/* ===== HAPTIC & ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a1a1a;
    color: #f0f0f0;
  }
}

@media (prefers-reduced-transparency) {
  .navbar,
  .modal,
  .notification {
    background-color: var(--white);
  }
}