/* Documents Grid */
.documents-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .documents-grid {
    grid-template-columns: 1fr;
  }
}

/* Document Card */
.document-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.document-card-header {
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.document-card-header h4 {
  margin: 0;
  font-size: 1.1rem;
}

.document-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 200px;
  justify-content: center;
}

/* Empty State */
.document-empty {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.document-upload-icon {
  font-size: 3rem;
  opacity: 0.5;
}

.document-upload-btn {
  cursor: pointer;
  display: inline-block;
}

/* Filled State */
.document-filled {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.document-thumbnail {
  max-width: 100%;
  max-height: 300px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  object-fit: contain;
}

.document-thumbnail:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.document-meta {
  font-size: 0.8rem;
  color: #666;
  text-align: center;
}

.document-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.document-actions label {
  cursor: pointer;
}

/* Full-screen Image Overlay */
.image-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-overlay-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
}

.image-overlay-content {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-overlay-content img {
  max-width: 95vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
}

.image-overlay-close {
  position: fixed;
  top: 1rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2001;
  transition: background 0.2s ease;
}

.image-overlay-close:hover {
  background: rgba(255, 255, 255, 0.4);
}