html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* Drop Zone Styles */
.drop-zone {
  border: 2px dashed #007bff;
  border-radius: 10px;
  padding: 40px 20px;
  text-align: center;
  background-color: #f8f9fa;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.drop-zone:hover {
  background-color: #e3f2fd;
  border-color: #0056b3;
}

.drop-zone.dragover {
  background-color: #e3f2fd;
  border-color: #0056b3;
  border-style: solid;
}

.drop-zone-content {
  pointer-events: none;
}

.drop-zone-content i {
  color: #007bff;
}

.drop-zone.dragover .drop-zone-content i {
  color: #0056b3;
}

/* Upload Progress */
.progress {
  height: 25px;
  margin-bottom: 15px;
}

.progress-bar {
  background-color: #007bff;
  transition: width 0.3s ease;
}

/* Results Table */
.table th {
  vertical-align: middle;
}

.table td {
  vertical-align: middle;
}

/* Status Messages */
.alert {
  margin-top: 15px;
}