:root{--fondo:#fbf5e9;--texto:#2b2019;--borde:#e8dcc4;--acento:#8c2f10;--bien:#2a5634;--suave:#5c4b3d;--caja:#fffdf8}
*{box-sizing:border-box}
body{margin:0;background:var(--fondo);color:var(--texto);font:16px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif}
header{background:var(--texto);color:var(--fondo);padding:.6rem 1rem;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center}
header .marca{margin:0;font-weight:700;letter-spacing:.08em}
nav{display:flex;flex-wrap:wrap;gap:.25rem .9rem;align-items:center}
nav a{color:var(--fondo);text-decoration:none;padding:.2rem 0;border-bottom:2px solid transparent}
nav a[aria-current]{border-color:#f5a623}
nav .salir{margin:0}
nav .salir button{background:transparent;color:var(--fondo);border:1px solid var(--fondo);padding:.15rem .6rem}
main{padding:1rem;max-width:80rem;margin:0 auto}
h1{font-size:1.5rem;margin:.5rem 0 1rem} h2{font-size:1.15rem;margin:1.6rem 0 .5rem}
a{color:var(--acento)}
.tabla{overflow-x:auto;background:var(--caja);border:1px solid var(--borde);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:.45rem .6rem;border-bottom:1px solid var(--borde);vertical-align:top}
th{background:#f3ead8;font-weight:600;white-space:nowrap}
td.num,th.num{text-align:right}
pre{white-space:pre-wrap;word-break:break-word;margin:0;font-size:.85rem;font-family:ui-monospace,monospace}
.vacio,.nota{color:var(--suave)}
.aviso{background:#fff3df;border:1px solid #f5a623;padding:.6rem .8rem;border-radius:8px}
.error{background:#fbe9e4;border:1px solid var(--acento);padding:.6rem .8rem;border-radius:8px}
.bien{color:var(--bien);font-weight:600} .mal{color:var(--acento);font-weight:600}
.aviso-linea{background:#fff3df;padding:0 .25rem;border-radius:4px}
audio{max-width:16rem}
form.linea{display:flex;flex-wrap:wrap;gap:.5rem;align-items:end;margin:0 0 1rem}
form.dentro{display:inline-flex;gap:.3rem;margin:0}
label{display:flex;flex-direction:column;font-size:.85rem;gap:.15rem}
input,select,button{font:inherit;padding:.35rem .55rem;border:1px solid #cdbb9c;border-radius:6px;background:#fff;color:var(--texto)}
button{background:var(--acento);color:#fff;border-color:var(--acento);cursor:pointer}
button.secundario{background:#fff;color:var(--acento)}
.entrar{max-width:22rem;margin:3rem auto;background:var(--caja);border:1px solid var(--borde);border-radius:10px;padding:1.2rem}
.entrar form{display:flex;flex-direction:column;gap:.8rem}