:root { --oliva: #A3A78D; --tinta: #1F2922; --fondo: #F7F6F0; --error: #8a2b1d; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, sans-serif; background: var(--fondo); color: var(--tinta); }
main { max-width: 32rem; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
button, input { font: inherit; }
button { min-height: 44px; padding: 0 18px; border: 0; border-radius: 10px; background: var(--tinta); color: #fff; cursor: pointer; }
button.sec { background: #fff; color: var(--tinta); border: 1px solid #c9c9bd; }
input { width: 100%; min-height: 44px; padding: 0 12px; border: 1px solid #c9c9bd; border-radius: 10px; }
label { display: block; margin: 12px 0 4px; font-weight: 600; }
.aviso { padding: 12px; border-radius: 10px; background: #fff; border-left: 4px solid var(--oliva); margin: 12px 0; }
.aviso.mal { border-color: var(--error); }
.codigo { font-size: 2rem; letter-spacing: .2em; font-weight: 700; }
li { margin: 8px 0; }
.fila { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }