/* Drag & Drop upload component - Improved responsive design with proper text colors */

/* Base mobile styles */
.ab-dragdrop-form { 
  border: 2px dashed #1976D2; 
  background-color: #f8f9fa;
  transition: all 0.2s ease;
  min-height: 200px;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.ab-dragdrop-form:hover {
  border-color: #1565c0;
  background-color: #f0f4ff;
}

.ab-dragdrop-form.bg-white {
  background-color: #ffffff !important;
  border-color: #0d47a1;
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.15);
}

/* Icon styling */
.ab-dragdrop-form .bi-cloud-arrow-up {
  font-size: 2.5rem;
  color: #495057; /* Darker icon color */
  margin-bottom: 0.5rem;
}

/* Title styling - make text darker and more visible */
.ab-dragdrop-form h6 {
  font-size: 1rem;
  font-weight: 600;
  color: #212529; /* Dark text instead of gray */
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

/* Supported formats text - darker for better visibility */
.ab-dragdrop-form .text-muted.small {
  font-size: 0.875rem;
  color: #495057; /* Darker than typical muted text */
  margin-bottom: 1rem;
}

/* Select file button */
.ab-dragdrop-form .btn-primary {
  background-color: #1976D2;
  border-color: #1976D2;
  color: #ffffff;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.ab-dragdrop-form .btn-primary:hover {
  background-color: #1565c0;
  border-color: #1565c0;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(25, 118, 210, 0.25);
}

.ab-dragdrop-form .btn-primary:active {
  transform: translateY(0);
}

.ab-dragdrop-form .btn-primary:focus {
  color: #ffffff;
  background-color: #1565c0;
  border-color: #1565c0;
  box-shadow: 0 0 0 0.2rem rgba(25, 118, 210, 0.25);
}

/* Feedback area */
.ab-upload-feedback {
  margin-top: 1rem;
  min-height: 1.5rem;
  font-size: 0.875rem;
  color: #212529; /* Ensure feedback text is dark */
}

/* Tablet styles (576px+) */
@media (min-width: 576px) {
  .ab-dragdrop-form {
    min-height: 220px;
    padding: 2rem;
    gap: 1.25rem;
    border-radius: 16px;
  }
  
  .ab-dragdrop-form .bi-cloud-arrow-up {
    font-size: 3rem;
  }
  
  .ab-dragdrop-form h6 {
    font-size: 1.125rem;
  }
  
  .ab-dragdrop-form .btn-primary {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* Desktop small (768px+) */
@media (min-width: 768px) {
  .ab-dragdrop-form {
    min-height: 240px;
    padding: 2.5rem;
    gap: 1.5rem;
  }
  
  .ab-dragdrop-form .bi-cloud-arrow-up {
    font-size: 3.5rem;
  }
  
  .ab-dragdrop-form h6 {
    font-size: 1.25rem;
  }
  
  .ab-dragdrop-form .text-muted.small {
    font-size: 0.9rem;
  }
  
  .ab-dragdrop-form .btn-primary {
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
  }
}

/* Desktop medium (992px+) */
@media (min-width: 992px) {
  .ab-dragdrop-form {
    min-height: 280px;
    padding: 3rem;
    gap: 1.75rem;
  }
  
  .ab-dragdrop-form .bi-cloud-arrow-up {
    font-size: 4rem;
  }
  
  .ab-dragdrop-form h6 {
    font-size: 1.375rem;
  }
  
  .ab-dragdrop-form .btn-primary {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

/* Desktop large (1200px+) */
@media (min-width: 1200px) {
  .ab-dragdrop-form {
    min-height: 320px;
    padding: 3.5rem;
    gap: 2rem;
  }
  
  .ab-dragdrop-form .bi-cloud-arrow-up {
    font-size: 4.5rem;
  }
  
  .ab-dragdrop-form h6 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }
}

/* Ultra-wide displays (1600px+) */
@media (min-width: 1600px) {
  .ab-dragdrop-form {
    min-height: 360px;
    padding: 4rem;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .ab-dragdrop-form {
    border-width: 3px;
    border-color: #000000;
  }
  
  .ab-dragdrop-form h6,
  .ab-dragdrop-form .text-muted.small {
    color: #000000 !important;
  }
  
  .ab-dragdrop-form .bi-cloud-arrow-up {
    color: #000000 !important;
  }
  
  .ab-dragdrop-form.bg-white {
    border-color: #000000;
    background-color: #ffffff;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .ab-dragdrop-form {
    transition: none;
  }
  
  .ab-dragdrop-form .btn-primary {
    transition: none;
  }
  
  .ab-dragdrop-form .btn-primary:hover {
    transform: none;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .ab-dragdrop-form .btn-primary {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    min-height: 48px; /* Minimum touch target size */
  }
  
  .ab-dragdrop-form .btn-primary:hover {
    transform: none;
    color: #ffffff;
  }
}

/* Focus states for accessibility */
.ab-dragdrop-form:focus-within {
  outline: 2px solid #1976D2;
  outline-offset: 4px;
}

.ab-dragdrop-form .btn-primary:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.25);
}

/* Loading and error states */
.ab-dragdrop-form.loading {
  pointer-events: none;
  opacity: 0.7;
}

.ab-dragdrop-form.error {
  border-color: #dc3545;
  background-color: #fff5f5;
}

.ab-dragdrop-form.error h6,
.ab-dragdrop-form.error .text-muted.small {
  color: #dc3545;
}

.ab-dragdrop-form.success {
  border-color: #28a745;
  background-color: #f0fff4;
}

.ab-dragdrop-form.success h6,
.ab-dragdrop-form.success .text-muted.small {
  color: #28a745;
}

/* Print styles */
@media print {
  .ab-dragdrop-form {
    border: 1px solid #000000;
    background-color: #ffffff;
  }
  
  .ab-dragdrop-form h6,
  .ab-dragdrop-form .text-muted.small {
    color: #000000 !important;
  }
}