/* Gebaseerd op Tailwind CSS classes voor een gelijkaardige look & feel */
body {
    font-family: sans-serif;
    margin: 0;
}
.bg-gray-100 { background-color: #f7fafc; }
.p-6 { padding: 1.5rem; }
.max-w-6xl { max-width: 72rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.bg-white { background-color: #fff; }
.rounded-lg { border-radius: 0.5rem; }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.text-3xl { font-size: 1.875rem; }
.font-bold { font-weight: 700; }
.text-gray-800 { color: #2d3748; }
.mb-8 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.bg-gray-50 { background-color: #f9fafb; }
.text-xl { font-size: 1.25rem; }
.font-semibold { font-weight: 600; }
.text-gray-700 { color: #4a5568; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.md\:grid-cols-2 { @media (min-width: 768px) { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.md\:grid-cols-3 { @media (min-width: 768px) { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.gap-8 { gap: 2rem; }
.gap-x-8 { column-gap: 2rem; }
.gap-4 { gap: 1rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.text-lg { font-size: 1.125rem; }
.mb-2 { margin-bottom: 0.5rem; }
.hidden { display: none; }
.message-box { border-left-width: 4px; padding: 1rem; margin-bottom: 2rem; }
.bg-yellow-100 { background-color: #fef3c7; }
.border-yellow-500 { border-color: #f59e0b; }
.text-yellow-700 { color: #b45309; }
.bg-red-100 { background-color: #fee2e2; }
.border-red-500 { border-color: #ef4444; }
.text-red-700 { color: #b91c1c; }
.block { display: block; }
.text-sm { font-size: 0.875rem; }
.input-field { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); border: 1px solid #e2e8f0; border-radius: 0.375rem; width: 100%; padding: 0.5rem 0.75rem; color: #4a5568; }
.upload-box { background-color: #f9fafb; padding: 1.5rem; border-radius: 0.5rem; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.h2-upload { font-size: 1.25rem; font-weight: 600; color: #4a5568; margin-bottom: 1rem; display: flex; align-items: center; }
.info-icon { display: inline-block; }
.ml-2 { margin-left: 0.5rem; }
.dropzone { border: 2px dashed #d1d5db; border-radius: 0.5rem; padding: 2rem; text-align: center; cursor: pointer; width: 100%; }
.btn { font-weight: 700; padding: 0.75rem 2rem; border-radius: 9999px; font-size: 1.125rem; transition: background-color 0.3s; }
.btn-blue { background-color: #3b82f6; color: white; }
.btn-blue:hover { background-color: #2563eb; }
.btn-green { background-color: #10b981; color: white; }
.btn-green:hover { background-color: #059669; }
.btn-gray { background-color: #6b7280; color: white; text-decoration: none; }
.btn-gray:hover { background-color: #4b5563; }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06); }
.result-box { padding: 1rem; border-radius: 0.5rem; border: 1px solid; }
.bg-red-50 { background-color: #fef2f2; }
.border-red-200 { border-color: #fecaca; }
.text-red-800 { color: #991b1b; }
.result-value { font-size: 1.25rem; font-weight: 700; margin-top: 0.5rem; }
.text-red-600 { color: #dc2626; }
.bg-green-50 { background-color: #ecfdf5; }
.border-green-200 { border-color: #a7f3d0; }
.text-green-800 { color: #065f46; }
.text-green-600 { color: #059669; }
.bg-blue-50 { background-color: #eff6ff; }
.border-blue-200 { border-color: #bfdbfe; }
.text-blue-800 { color: #1e40af; }
.text-blue-600 { color: #2563eb; }
.overflow-x-auto { overflow-x: auto; }
.results-table { width: 100%; font-size: 0.875rem; text-align: left; color: #6b7280; }
.results-table thead { font-size: 0.75rem; color: #374151; text-transform: uppercase; background-color: #f9fafb; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.border-b { border-bottom-width: 1px; border-color: #e5e7eb; }
.font-medium { font-weight: 500; }
.text-gray-900 { color: #111827; }
.whitespace-nowrap { white-space: nowrap; }
.mt-8 { margin-top: 2rem; }
.tooltip { position: relative; display: inline-block; cursor: pointer; }
.tooltip .tooltiptext { visibility: hidden; width: 220px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 5px 10px; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -110px; opacity: 0; transition: opacity 0.3s; }
.tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }
.tooltip .tooltiptext a { color: #87CEEB; text-decoration: underline; }