/* Mobile Responsive Styles */

/* Mobile-first adjustments */
@media (max-width: 768px) {
  /* Typography */
  body {
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  /* Navigation */
  nav {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
  }
  
  .brand {
    justify-content: center;
    margin-bottom: 0.5rem;
  }
  
  .nav-toggle {
    display: block;
    align-self: flex-end;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: absolute;
    top: 1rem;
    right: 1rem;
  }
  
  .nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary, #1b4d3e);
    margin: 5px 0;
    transition: all 0.3s ease;
  }
  
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
  }
  
  .nav-links.nav-open {
    display: flex;
  }
  
  .nav-links a,
  .nav-links form {
    width: 100%;
    text-align: center;
    padding: 0.75rem;
  }
  
  .nav-links form button {
    width: 100%;
  }
  
  /* Forms */
  form {
    padding: 1rem;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="date"],
  input[type="number"],
  select,
  textarea {
    font-size: 16px; /* Prevent zoom on iOS */
    padding: 0.75rem;
  }
  
  /* Tables */
  table {
    font-size: 0.875rem;
  }
  
  th, td {
    padding: 0.5rem;
  }
  
  /* Make tables scroll horizontally on mobile */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Flash messages */
  .flash {
    margin: 0.5rem;
    padding: 0.75rem;
    font-size: 0.875rem;
  }
  
  /* Buttons */
  button,
  .btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
  }
  
  /* Cards and containers */
  .card,
  .form-container {
    padding: 1rem;
    margin: 0.5rem;
  }
  
  /* Footer */
  .site-footer {
    padding: 1rem;
    text-align: center;
    font-size: 0.875rem;
  }
  
  /* Skip link — keep off-screen until focused (overriding base would expose it) */
  .skip-link {
    top: 0.5rem;
    left: -9999px;
    padding: 0.5rem 1rem;
  }
  .skip-link:focus {
    left: 0.5rem !important;
  }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-links {
    display: flex;
  }
}

/* Desktop - hide nav toggle */
@media (min-width: 1025px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-links {
    display: flex;
  }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  button,
  a,
  input[type="submit"],
  input[type="button"] {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Increase spacing between interactive elements */
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  /* Better touch feedback */
  button:active,
  a:active,
  .btn:active {
    transform: scale(0.98);
  }
}

/* Upload area improvements */
.dropzone {
  padding: 2rem 1rem;
  text-align: center;
  border: 2px dashed var(--border-color, #d1d5db);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.dropzone.dragover {
  border-color: var(--primary-color, #1b4d3e);
  background-color: rgba(27, 77, 62, 0.05);
}

@media (max-width: 768px) {
  .dropzone {
    padding: 1.5rem 1rem;
  }
}

/* Receipt image preview */
.receipt-preview {
  max-width: 100%;
  height: auto;
  border-radius: 0.25rem;
  margin: 1rem 0;
}

/* Offline indicator */
.offline-indicator {
  display: none;
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: #ef4444;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  z-index: 1000;
  font-size: 0.875rem;
}

.offline-indicator.show {
  display: block;
}