/* Tailwind utility subset for tripaulx_auth (Admin PoW + JWT auth screens).
   Hand-curated to keep CSP-friendly (served from 'self', no CDN). */

/* ---------------- preflight (minimal) ---------------- */
*, *::before, *::after { box-sizing: border-box; border-width: 0; border-style: solid; }
html { -webkit-text-size-adjust: 100%; tab-size: 4; line-height: 1.5; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
button { background: transparent; border: 0; cursor: pointer; font: inherit; color: inherit; }
input, button, textarea, select { font: inherit; }
a { color: inherit; text-decoration: inherit; }
img, svg { display: block; max-width: 100%; }

/* ---------------- layout ---------------- */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.col-span-2 { grid-column: span 2 / span 2; }
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-x-3 { column-gap: 0.75rem; }
.gap-y-1 { row-gap: 0.25rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }

/* ---------------- position ---------------- */
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { inset: 0; }
.inset-y-0 { top: 0; bottom: 0; }
.right-0 { right: 0; }

/* ---------------- sizing ---------------- */
.w-0 { width: 0; }
.w-1 { width: 0.25rem; }
.w-1\.5 { width: 0.375rem; }
.w-5 { width: 1.25rem; }
.w-8 { width: 2rem; }
.w-16 { width: 4rem; }
.w-auto { width: auto; }
.w-full { width: 100%; }
.w-1\/2 { width: 50%; }
.h-1 { height: 0.25rem; }
.h-1\.5 { height: 0.375rem; }
.h-2 { height: 0.5rem; }
.h-5 { height: 1.25rem; }
.h-8 { height: 2rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-px { height: 1px; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }

/* ---------------- spacing ---------------- */
.mx-auto { margin-left: auto; margin-right: auto; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.ml-2 { margin-left: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-1\.5 { margin-top: 0.375rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }
.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; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }

/* ---------------- typography ---------------- */
.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-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-left { text-align: left; }
.text-center { text-align: center; }
.tracking-tight { letter-spacing: -0.025em; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-sans { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Monaco, monospace; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ---------------- colors ---------------- */
.text-white { color: #ffffff; }
.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-600 { color: #2563eb; }
.text-blue-800 { color: #1e40af; }
.text-blue-900 { color: #1e3a8a; }
.text-red-600 { color: #dc2626; }
.text-red-700 { color: #b91c1c; }
.text-red-800 { color: #991b1b; }
.text-green-800 { color: #166534; }
.text-emerald-500 { color: #10b981; }
.text-emerald-600 { color: #059669; }
.text-emerald-700 { color: #047857; }
.text-sky-700 { color: #0369a1; }
.text-orange-500 { color: #f97316; }
.text-yellow-500 { color: #eab308; }
.text-lime-500 { color: #84cc16; }
.bg-white { background-color: #ffffff; }
.bg-current { background-color: currentColor; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-blue-200 { background-color: #bfdbfe; }
.bg-blue-600 { background-color: #2563eb; }
.bg-green-100 { background-color: #dcfce7; }
.bg-red-50 { background-color: #fef2f2; }
.bg-red-100 { background-color: #fee2e2; }
.bg-red-500 { background-color: #ef4444; }
.bg-orange-500 { background-color: #f97316; }
.bg-yellow-500 { background-color: #eab308; }
.bg-lime-500 { background-color: #84cc16; }
.bg-emerald-50 { background-color: #ecfdf5; }
.bg-emerald-500 { background-color: #10b981; }
.bg-sky-50 { background-color: #f0f9ff; }
.placeholder-gray-400::placeholder { color: #9ca3af; }
.border { border-width: 1px; }
.border-gray-300 { border-color: #d1d5db; }
.border-red-200 { border-color: #fecaca; }
.border-red-400 { border-color: #f87171; }
.border-emerald-200 { border-color: #a7f3d0; }
.border-sky-200 { border-color: #bae6fd; }

/* ---------------- borders + effects ---------------- */
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05); }
.overflow-hidden { overflow: hidden; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.cursor-not-allowed { cursor: not-allowed; }
.transition { transition-property: color, background-color, border-color, fill, stroke, opacity, box-shadow, transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, fill, stroke, opacity, box-shadow, transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.active\:scale-\[\.98\]:active { transform: scale(0.98); }
.pr-12 { padding-right: 3rem; }

/* ---------------- hover/focus/disabled ---------------- */
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:text-gray-600:hover { color: #4b5563; }
.hover\:text-gray-700:hover { color: #374151; }
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5); }
.focus\:ring-blue-500:focus { box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5); }
.disabled\:opacity-50:disabled { opacity: 0.5; }
.disabled\:cursor-not-allowed:disabled { cursor: not-allowed; }

/* ---------------- responsive sm: (>= 640px) ---------------- */
@media (min-width: 640px) {
  .sm\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------------- animation ---------------- */
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.form-submit-spinner { animation: spin 0.8s linear infinite; transform-origin: 50% 50%; }
.is-loading, .is-loading:hover { cursor: wait !important; opacity: 0.85; }
.is-loading * { pointer-events: none; }
.align-middle { vertical-align: middle; }

/* ---------------- project-specific (kept) ---------------- */
.honeypot { display: none !important; }
.progress-bar { transition: width 0.3s ease; }