:root{--papel: #f4f1ea;--tinta: #1a1a1a;--suave: #6b6b6b;--linea: #d6d1c4;--acento: #7a2e1f;color-scheme:light}*{box-sizing:border-box}body{margin:0;padding:2rem 1rem;background:var(--papel);color:var(--tinta);font-family:Georgia,Times New Roman,serif;line-height:1.5}body.centrado{min-height:100vh;display:grid;place-items:center}h1,h2{font-weight:400;letter-spacing:.02em}h1{font-size:1.6rem;margin:0 0 1rem}h2{font-size:1.1rem;margin:2rem 0 .75rem;border-bottom:1px solid var(--linea);padding-bottom:.25rem}.tarjeta{width:100%;max-width:420px;padding:2rem;border:1px solid var(--linea);background:#fbfaf6}.tarjeta.ancha{max-width:960px;margin:0 auto}.cabecera{display:flex;justify-content:space-between;align-items:center;gap:1rem}.suave{color:var(--suave);margin:0 0 1rem}.numero{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.8rem;margin:0}.aviso{color:var(--acento);margin:.5rem 0 0}.error{color:var(--acento);margin:1rem 0 0}label{display:block;margin-bottom:.9rem;font-size:.95rem;color:var(--suave)}input,select{display:block;width:100%;margin-top:.3rem;padding:.55rem .6rem;font:inherit;color:var(--tinta);background:#fff;border:1px solid var(--linea);border-radius:0}input:focus,select:focus,button:focus{outline:2px solid var(--tinta);outline-offset:1px}button{font:inherit;padding:.55rem 1rem;color:#fff;background:var(--tinta);border:1px solid var(--tinta);border-radius:0;cursor:pointer}button.secundario{background:transparent;color:var(--tinta);padding:.25rem .55rem;margin:.15rem .2rem .15rem 0;font-size:.9rem}button[type=submit]{width:100%;margin-top:.5rem}.formulario{display:grid;gap:.2rem;max-width:520px;margin-bottom:1.5rem}.lista{list-style:none;padding:0;margin:0}.lista li{padding:.6rem 0;border-bottom:1px solid var(--linea)}.tabla-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:.55rem .5rem;border-bottom:1px solid var(--linea);vertical-align:top}th{color:var(--suave);font-weight:400}