/* Mobile Optimizations */

/* Safe areas for notch/island devices (iPhone X+, etc) */
:root {
  --safe-area-top: env(safe-area-inset-top, 0);
  --safe-area-bottom: env(safe-area-inset-bottom, 0);
  --safe-area-left: env(safe-area-inset-left, 0);
  --safe-area-right: env(safe-area-inset-right, 0);
}

/* Apply safe areas to body */
body {
  padding-top: var(--safe-area-top);
  padding-bottom: var(--safe-area-bottom);
  padding-left: var(--safe-area-left);
  padding-right: var(--safe-area-right);
  
  /* Enable pull-to-refresh */
  overscroll-behavior-y: contain;
}

/* Smooth scrolling with momentum */
* {
  -webkit-overflow-scrolling: touch;
}

/* Touch target optimization - minimum 44x44px */
@media (max-width: 768px) {
  /* Buttons */
  .btn, button {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 16px;
  }

  .btn-sm {
    min-height: 44px;
    padding: 10px 16px;
  }

  /* Links as buttons */
  a.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Form inputs */
  input, textarea, select {
    min-height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  /* Checkbox and radio - larger touch area */
  input[type="checkbox"],
  input[type="radio"] {
    min-width: 24px;
    min-height: 24px;
    cursor: pointer;
  }

  /* Navbar brand */
  .navbar-brand {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  /* Close buttons */
  .btn-close {
    min-width: 44px;
    min-height: 44px;
    padding: 12px;
  }

  /* Alert dismiss buttons */
  .alert .btn-close {
    margin: -8px;
  }
}

/* Mobile-friendly spacing */
@media (max-width: 768px) {
  /* Increase padding for easier touch */
  .container {
    padding-left: 12px;
    padding-right: 12px;
    /* .row's negative gutter margin pushes a few px past the viewport
       (found via Sprint 24 audit on /metricas' 3-column stat rows) */
    overflow-x: hidden;
  }

  /* Cards and list items */
  .card {
    margin-bottom: 8px;
  }

  .list-group-item {
    padding: 10px 12px;
  }

  /* Navbar adjustments */
  .navbar {
    padding-top: 6px;
    padding-bottom: 6px;
  }

  /* Form groups */
  .mb-3 {
    margin-bottom: 0.75rem !important;
  }
}

/* Touch gesture improvements */
@media (max-width: 768px) {
  /* Prevent text selection on double tap */
  .btn, button, .navbar-brand {
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
  }

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

  /* Better touch feedback */
  .btn:active, button:active, a.btn:active {
    transform: scale(0.98);
    transition: transform 0.1s;
  }

  /* List item touch feedback */
  .list-group-item:active {
    background-color: rgba(0, 0, 0, 0.05);
  }
}

/* Improve readability on mobile */
@media (max-width: 768px) {
  /* Larger font for better readability */
  body {
    font-size: 16px;
    line-height: 1.6;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  /* Better spacing for alerts */
  .alert {
    margin-bottom: 16px;
    padding: 16px;
  }
}

/* Full-width forms on mobile */
@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="date"],
  textarea,
  select {
    width: 100%;
  }
}

/* Fixed navigation safe area */
@media (max-width: 768px) {
  .navbar.fixed-top {
    padding-top: max(12px, var(--safe-area-top));
  }

  /* Bottom navigation safe area (if added in future) */
  .navbar.fixed-bottom {
    padding-bottom: max(12px, var(--safe-area-bottom));
  }
}

/* Optimize toggle icons for touch */
@media (max-width: 768px) {
  [id^="toggle-icon-"] {
    display: inline-block;
    min-width: 44px;
    min-height: 44px;
    line-height: 44px;
    text-align: center;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
  }
}

/* Modal improvements for mobile */
@media (max-width: 768px) {
  .modal-dialog {
    margin: 0.5rem;
  }

  .modal-content {
    border-radius: 12px;
  }

  .modal-header,
  .modal-footer {
    padding: 16px;
  }

  .modal-body {
    padding: 20px 16px;
  }
}

/* Horizontal scrolling improvement */
@media (max-width: 768px) {
  .table-responsive {
    -webkit-overflow-scrolling: touch;
  }
}

/* Email text on mobile - better visibility */
@media (max-width: 576px) {
  .navbar .text-muted {
    font-size: 0.875rem;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* Very small screens adjustments */
@media (max-width: 375px) {
  .navbar .me-3 {
    margin-right: 0.5rem !important;
  }

  .btn-sm {
    padding: 10px 12px;
    font-size: 0.875rem;
  }
}

/* Swipe gesture support for list items */
@media (max-width: 768px) {
  .list-group-item {
    position: relative;
    transition: transform 0.3s ease, background-color 0.2s;
    touch-action: pan-y;
  }

  .list-group-item.swiping {
    cursor: grabbing;
  }

  /* Swipe indicator */
  .list-group-item::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80px;
    background: linear-gradient(to left, rgba(220, 53, 69, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
  }

  .list-group-item.swipe-active::after {
    opacity: 1;
  }
}

/* Smooth animations for better UX */
@media (max-width: 768px) {
  /* Page transitions */
  .container {
    animation: fadeIn 0.3s ease-in-out;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Alert animations */
  .alert {
    animation: slideDown 0.3s ease-out;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Button press feedback */
  .btn:active, button:active {
    transform: scale(0.97);
    transition: transform 0.1s ease;
  }

  /* List item interactions */
  .list-group-item-action:active {
    transform: scale(0.99);
    transition: transform 0.1s ease;
  }
}

/* Thumb-friendly zones (easier to reach areas) */
@media (max-width: 768px) {
  /* Bottom action buttons (most reachable) */
  .sticky-bottom,
  .fixed-bottom {
    padding-bottom: max(16px, var(--safe-area-bottom));
  }

  /* Important actions at bottom */
  .action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    padding-bottom: max(12px, var(--safe-area-bottom));
    background: white;
    border-top: 1px solid #dee2e6;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  /* Adjust container for bottom bar */
  .has-action-bar {
    padding-bottom: 80px;
  }

  /* Card spacing */
  .card {
    margin-bottom: 8px;
  }

  .card + .card {
    margin-top: 0;
  }

  /* Full-width submit buttons; the grid handles the spacing around them */
  form .btn-primary,
  form .btn-success {
    width: 100%;
  }
}

/* Pull-to-refresh indicator */
@media (max-width: 768px) {
  @keyframes spin {
    to { transform: rotate(360deg); }
  }

  .pull-to-refresh {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s;
  }

  .pull-to-refresh.active {
    opacity: 1;
  }

  .pull-to-refresh-icon {
    width: 32px;
    height: 32px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--color-primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }
}

/* Long press feedback */
@media (max-width: 768px) {
  .long-pressable {
    -webkit-user-select: none;
    user-select: none;
  }

  .long-pressable.pressing {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(0.98);
  }
}

/* Improved form UX */
@media (max-width: 768px) {
  /* Floating labels stay visible */
  .form-floating > label {
    padding: 1rem 0.75rem;
  }

  /* Better input spacing */
  .form-control, .form-select {
    margin-bottom: 16px;
  }

  /* Larger checkboxes and radios */
  .form-check-input {
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0.125rem;
  }

  .form-check-label {
    padding-left: 0.5rem;
    line-height: 1.5rem;
  }
}

/* Haptic feedback class (visual only, actual haptic via JS) */
@media (max-width: 768px) {
  .haptic-feedback {
    animation: hapticPulse 0.1s ease;
  }

  @keyframes hapticPulse {
    0%, 100% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
  }
}