/* Base layout & typography (body, headings, grids) — SHARED */
body{font-family:var(--font-sans);background:var(--color-background-secondary);color:var(--color-text-primary);padding:24px;max-width:900px;margin:0 auto}
h1{font-size:16px;font-weight:600;margin-bottom:1.5rem;color:var(--color-text-primary)}
.section-label{font-size:12px;color:var(--color-text-secondary);letter-spacing:.05em;margin:0 0 10px;font-weight:500;display:flex;align-items:center;gap:5px}
.param-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
@media(max-width:640px){.param-grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr!important}}