/* Data2Bids UI Base Tokens */\n:root{--primary-600:#2563eb;--primary-500:#3b82f6;--primary-400:#60a5fa;--gray-800:#1f2937;--gray-700:#374151;--gray-600:#4b5563;--gray-200:#e5e7eb;--gray-100:#f3f4f6;--surface:#ffffff} body{color:var(--gray-800);background:var(--surface);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif} h1,h2,h3{color:var(--gray-800)} a{color:var(--primary-600);text-decoration:none} a:hover{text-decoration:underline} .card{border:1px solid var(--gray-200);border-radius:1rem;padding:1rem;background:#fff}
/* Nav interna responsive */
.app-nav{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
@media (max-width:1024px){.app-nav{display:none}.app-nav.open{display:flex;flex-direction:column;gap:.5rem}}
.nav-toggle{display:none}
@media (max-width:1024px){.nav-toggle{display:inline-flex}}

/* === Data2Bids – Components (extiende tokens existentes) === */

/* Layout helpers */
.container{max-width:1200px;margin:0 auto;padding:0 1rem}
.site-header{position:sticky;top:0;background:var(--surface);border-bottom:1px solid var(--gray-200);z-index:30}
.brand-logo{height:36px;display:block}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:.75rem;
  padding:.625rem 1rem;line-height:1;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary-600);color:#fff}
.btn-primary:hover{background:var(--primary-500)}
.btn-outline{background:transparent;color:var(--gray-800);border-color:var(--gray-200)}
.btn-outline:hover{background:var(--gray-100)}

/* Hero blocks */
.hero{padding:4rem 0}
.hero h1{font-size:clamp(2rem,3vw,3rem);margin:0}
.hero p{color:var(--gray-700);font-size:1.125rem;margin-top:1rem}

/* Simple grid */
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}

/* Footer */
.site-footer{border-top:1px solid var(--gray-200);padding:2rem 0;color:var(--gray-600)}

/* Token overrides/completion (ensures full palette present) */
:root{--gray-900:var(--gray-900, #0f172a);--gray-300:var(--gray-300, #d1d5db);--surface-ink:var(--surface-ink, #0b1020)}