/* Utility classes replacing Tailwind CDN — self-hosted, no inline required */
:root {
    --rapid-50: #eff6ff;
    --rapid-100: #dbeafe;
    --rapid-500: #3b82f6;
    --rapid-600: #2563eb;
    --rapid-700: #1d4ed8;
    --rapid-900: #1e3a5f;
}

* { box-sizing: border-box; }

.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.gap-6 { gap: 1.5rem; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }
.overflow-hidden { overflow: hidden; }
.h-16 { height: 4rem; }
.h-2 { height: 0.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.ml-2 { margin-left: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.border { border-width: 1px; border-style: solid; border-color: transparent; }
.border-2 { border-width: 2px; border-style: solid; border-color: transparent; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: transparent; }
.border-dashed { border-style: dashed; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-blue-200 { border-color: #bfdbfe; }
.border-green-200 { border-color: #bbf7d0; }
.border-yellow-200 { border-color: #fef08a; }

.rounded { border-radius: 0.25rem; }
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-md { border-radius: 0.375rem; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }

.bg-white { background-color: #fff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-rapid-600 { background-color: var(--rapid-600); }
.bg-blue-50 { background-color: #eff6ff; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-yellow-50 { background-color: #fffbeb; }

.text-white { color: #fff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }
.text-blue-700 { color: #1d4ed8; }
.text-blue-900 { color: #1e3a8a; }
.text-green-800 { color: #166534; }
.text-yellow-800 { color: #854d0e; }
.text-rapid-600 { color: var(--rapid-600); }
.text-rapid-700 { color: var(--rapid-700); }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

.list-disc { list-style-type: disc; }
.list-inside { list-style-position: inside; }

.transition { transition-property: color, background-color, border-color, fill, stroke, opacity, box-shadow, transform; transition-timing-function: cubic-bezier(.4, 0, .2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(.4, 0, .2, 1); transition-duration: 150ms; }

input[type="file"]::file-selector-button {
    margin-right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    border: 0;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--rapid-50);
    color: var(--rapid-700);
    cursor: pointer;
}
input[type="file"]::file-selector-button:hover { background: var(--rapid-100); }

.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-rapid-500:focus { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25); }
.focus\:border-rapid-500:focus { border-color: var(--rapid-500); }
.hover\:bg-rapid-700:hover { background-color: var(--rapid-700); }
.hover\:border-rapid-500:hover { border-color: var(--rapid-500); }
.hover\:text-gray-700:hover { color: #374151; }
.hover\:text-rapid-700:hover { color: var(--rapid-700); }
.hover\:file\:bg-rapid-100:hover::file-selector-button { background: var(--rapid-100); }

@media (min-width: 640px) {
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}