/* Self-contained utility CSS — implements exactly the Tailwind utility classes
 * this app uses, so it runs fully offline with no CDN. (Component classes like
 * .card/.btn/.badge/.tab live in styles.css.) */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.5; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* display / layout */
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.fixed { position: fixed; }
.overflow-x-auto { overflow-x: auto; }
.z-50 { z-index: 50; }
.bottom-4 { bottom: 1rem; }
.right-4 { right: 1rem; }

/* width / centering */
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.ml-auto { margin-left: auto; }

/* grid */
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.col-span-2 { grid-column: span 2 / span 2; }

/* gaps */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

/* padding */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* margin */
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }

/* vertical rhythm */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }

/* borders */
.border { border: 1px solid #e2e8f0; }
.border-b { border-bottom: 1px solid #e2e8f0; }
.border-slate-100 { border-color: #f1f5f9; }
.border-slate-200 { border-color: #e2e8f0; }
.border-slate-300 { border-color: #cbd5e1; }
.border-emerald-500\/30 { border-color: rgba(16, 185, 129, 0.3); }
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-full { border-radius: 9999px; }

/* typography */
.text-\[10px\] { font-size: 10px; line-height: 1.3; }
.text-\[11px\] { font-size: 11px; line-height: 1.3; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.025em; }
.leading-tight { line-height: 1.25; }
.whitespace-nowrap { white-space: nowrap; }

/* text colors */
.text-white { color: #fff; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-slate-600 { color: #475569; }
.text-slate-800 { color: #1e293b; }
.text-red-600 { color: #dc2626; }
.text-emerald-300 { color: #6ee7b7; }

/* backgrounds */
.bg-slate-100 { background-color: #f1f5f9; }
.bg-slate-700 { background-color: #334155; }
.bg-slate-900 { background-color: #0f172a; }
.bg-indigo-600 { background-color: #4f46e5; }
.bg-emerald-500\/20 { background-color: rgba(16, 185, 129, 0.2); }

/* hover */
.hover\:bg-indigo-500:hover { background-color: #6366f1; }
.hover\:bg-slate-600:hover { background-color: #475569; }

/* misc (API tab) */
.opacity-50 { opacity: 0.5; }
.text-indigo-600 { color: #4f46e5; }
.bg-emerald-50 { background-color: #ecfdf5; }
.border-emerald-300 { border-color: #6ee7b7; }
.select-all { user-select: all; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.bg-slate-900 pre, pre.bg-slate-900 { margin: 0; }
.text-slate-100 { color: #f1f5f9; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; background: #f1f5f9; padding: 0.05em 0.3em; border-radius: 0.25em; }
pre code, .bg-slate-900 code { background: transparent; padding: 0; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }

/* responsive */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
}