/* Mobile-first responsive design */
@media (max-width: 768px) {
  /* Touch-friendly buttons */
  .btn {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 16px;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  /* Mobile navigation */
  .mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(16, 185, 129, 0.2);
    display: flex;
    justify-content: space-around;
    padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
    z-index: 50;
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 12px;
    min-width: 44px;
  }

  .mobile-nav-item.active {
    color: #10b981;
  }

  .mobile-nav-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
  }

  /* Pull-to-refresh styling */
  .pull-to-refresh {
    transform: translateY(var(--pull-distance, 0));
    transition: transform 0.2s ease;
  }

  /* Form optimizations */
  input,
  select,
  textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    border-radius: 8px;
    padding: 12px 16px;
  }

  /* Trip cards for mobile */
  .trip-card {
    margin: 8px 16px;
    border-radius: 12px;
    padding: 16px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(16, 185, 129, 0.2);
  }

  .trip-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
  }

  .trip-card-action {
    flex: 1;
    min-height: 44px;
    border-radius: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
  }

  /* Safe area handling for iOS */
  .safe-area-padding {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  /* Main content with bottom navigation space */
  .main-content {
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }
}

/* Touch feedback */
.btn:active,
.trip-card:active {
  transform: scale(0.98);
  transition: transform 0.1s ease;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #10b981;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}