*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body {
  margin: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: inherit;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.top-0 { top: 0; }
.z-50 { z-index: 50; }
.z-\[100\] { z-index: 100; }

.min-h-screen { min-height: 100vh; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-full { width: 100%; }
.max-w-\[12\.5ch\] { width: 100%; max-width: 12.5ch; }
.max-w-\[21rem\] { width: 100%; max-width: 21rem; }
.max-w-\[22rem\] { width: 100%; max-width: 22rem; }
.max-w-2xl { width: 100%; max-width: 42rem; }
.max-w-3xl { width: 100%; max-width: 48rem; }
.max-w-4xl { width: 100%; max-width: 56rem; }
.max-w-5xl { width: 100%; max-width: 64rem; }
.max-w-6xl { width: 100%; max-width: 72rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-grow { flex-grow: 1; }
.flex-1 { flex: 1 1 0%; }
.flex-\[3\] { flex: 3 1 0%; }
.items-center { align-items: center; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-x-3 { column-gap: 0.75rem; }
.gap-y-3 { row-gap: 0.75rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.pb-36 { padding-bottom: 9rem; }
.pl-6 { padding-left: 1.5rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }

.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.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; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }

.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-5 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.25rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }

.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }
.rounded-\[2rem\] { border-radius: 2rem; }
.rounded-\[2\.5rem\] { border-radius: 2.5rem; }
.rounded-\[3rem\] { border-radius: 3rem; }

.border { border-width: 1px; border-style: solid; border-color: #e2e8f0; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-blue-200 { border-color: #bfdbfe; }
.border-slate-100 { border-color: #f1f5f9; }
.border-slate-200 { border-color: #e2e8f0; }

.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-600 { background-color: #2563eb; }
.bg-emerald-600 { background-color: #059669; }
.bg-slate-50 { background-color: #f8fafc; }
.bg-slate-100 { background-color: #f1f5f9; }
.bg-slate-900 { background-color: #0f172a; }
.bg-white { background-color: #fff; }

.text-blue-600 { color: #2563eb; }
.text-slate-300 { color: #cbd5e1; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1e293b; }
.text-slate-900 { color: #0f172a; }
.text-white { color: #fff; }

.font-sans { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.italic { font-style: italic; }
.uppercase { text-transform: uppercase; }
.underline { text-decoration-line: underline; }
.decoration-white\/30 { text-decoration-color: rgba(255, 255, 255, 0.3); }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-\[9px\] { font-size: 9px; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-\[13px\] { font-size: 13px; }
.text-\[2\.35rem\] { font-size: 2.35rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.leading-\[0\.92\] { line-height: 0.92; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.tracking-\[-0\.045em\] { letter-spacing: -0.045em; }
.tracking-\[0\.14em\] { letter-spacing: 0.14em; }
.tracking-\[0\.2em\] { letter-spacing: 0.2em; }
.tracking-\[0\.25em\] { letter-spacing: 0.25em; }
.tracking-\[0\.3em\] { letter-spacing: 0.3em; }
.tracking-\[0\.35em\] { letter-spacing: 0.35em; }
.tracking-\[0\.4em\] { letter-spacing: 0.4em; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-widest { letter-spacing: 0.1em; }

.list-decimal { list-style-type: decimal; }
.list-disc { list-style-type: disc; }
.break-words { overflow-wrap: break-word; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.overflow-x-hidden { overflow-x: hidden; }
.outline-none { outline: 2px solid transparent; outline-offset: 2px; }
.cursor-pointer { cursor: pointer; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(15, 23, 42, 0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25); }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(15, 23, 42, 0.05); }
.shadow-blue-200 { box-shadow: 0 20px 25px -5px rgba(191, 219, 254, 0.8), 0 8px 10px -6px rgba(191, 219, 254, 0.8); }
.scrub-shadow { box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.1), 0 8px 10px -6px rgba(59, 130, 246, 0.1); }

.transition-all { transition: all 150ms ease; }
.transition-colors { transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease; }
.pro-card { background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); }

.hover\:bg-blue-500:hover { background-color: #3b82f6; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-emerald-700:hover { background-color: #047857; }
.hover\:bg-slate-200:hover { background-color: #e2e8f0; }
.hover\:bg-slate-700:hover { background-color: #334155; }
.hover\:border-blue-200:hover { border-color: #bfdbfe; }
.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:scale-105:hover { transform: scale(1.05); }
.active\:scale-95:active { transform: scale(0.95); }
.active\:scale-\[0\.98\]:active { transform: scale(0.98); }
.disabled\:cursor-not-allowed:disabled { cursor: not-allowed; }
.disabled\:opacity-50:disabled { opacity: 0.5; }
.focus\:ring-blue-100:focus { --ring-color: #dbeafe; }
.focus\:ring-4:focus { box-shadow: 0 0 0 4px var(--ring-color, #dbeafe); }

#input-area,
#output-area {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.review-pre {
  margin: 0;
  max-height: 18rem;
  overflow: auto;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
  .sm\:gap-3 { gap: 0.75rem; }
  .sm\:gap-x-4 { column-gap: 1rem; }
  .sm\:items-end { align-items: flex-end; }
  .sm\:justify-between { justify-content: space-between; }
  .sm\:justify-center { justify-content: center; }
  .sm\:leading-tight { line-height: 1.25; }
  .sm\:max-w-3xl { max-width: 48rem; }
  .sm\:max-w-none { max-width: none; }
  .sm\:mb-4 { margin-bottom: 1rem; }
  .sm\:mb-12 { margin-bottom: 3rem; }
  .sm\:mt-4 { margin-top: 1rem; }
  .sm\:mt-6 { margin-top: 1.5rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:p-10 { padding: 2.5rem; }
  .sm\:p-12 { padding: 3rem; }
  .sm\:px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:text-\[10px\] { font-size: 10px; }
  .sm\:text-\[11px\] { font-size: 11px; }
  .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .sm\:text-5xl { font-size: 3rem; line-height: 1; }
  .sm\:tracking-\[0\.2em\] { letter-spacing: 0.2em; }
  .sm\:tracking-\[0\.35em\] { letter-spacing: 0.35em; }
}

@media (min-width: 768px) {
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:flex-row { flex-direction: row; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:p-16 { padding: 4rem; }
  .md\:pb-28 { padding-bottom: 7rem; }
}

@media (min-width: 1024px) {
  .lg\:col-span-1 { grid-column: span 1 / span 1; }
  .lg\:col-span-3 { grid-column: span 3 / span 3; }
  .lg\:flex-row { flex-direction: row; }
  .lg\:gap-8 { gap: 2rem; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:h-20 { height: 5rem; }
  .lg\:items-center { align-items: center; }
  .lg\:justify-end { justify-content: flex-end; }
  .lg\:w-auto { width: auto; }
}