:root{--azul: #2563eb;--azul-osc: #1d4ed8;--texto: #1f2937;--suave: #6b7280;--borde: #e5e7eb;--fondo: #f6f8fb;--rojo: #dc2626;--verde: #16a34a}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--texto);background:var(--fondo)}a{color:var(--azul);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:10px 16px;background:var(--azul);color:#fff;font-weight:600}button:hover{background:var(--azul-osc)}button:disabled{opacity:.6;cursor:default}button.sec{background:#fff;color:var(--texto);border:1px solid var(--borde)}button.peligro{background:var(--rojo)}button.chico{padding:6px 10px;font-size:14px}label{display:block;font-size:14px;font-weight:600;margin:12px 0 4px}input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--borde);border-radius:8px;background:#fff}textarea{min-height:80px;resize:vertical}.centro{max-width:420px;margin:8vh auto;padding:32px;background:#fff;border-radius:14px;box-shadow:0 10px 30px #0000000f}.contenedor{max-width:960px;margin:0 auto;padding:24px}.barra{display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid var(--borde);padding:14px 24px}.marca{font-weight:800;font-size:18px}.marca b{color:var(--azul)}.tarjeta{background:#fff;border:1px solid var(--borde);border-radius:12px;padding:18px;margin-bottom:14px}.fila{display:flex;gap:10px;align-items:center}.entre{justify-content:space-between}.silencio{color:var(--suave);font-size:14px}.error{background:#fef2f2;color:var(--rojo);border:1px solid #fecaca;border-radius:8px;padding:10px;margin:10px 0;font-size:14px}.ok{background:#f0fdf4;color:var(--verde);border:1px solid #bbf7d0;border-radius:8px;padding:10px;margin:10px 0;font-size:14px}.chip{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;background:#eef2ff;color:var(--azul)}.chip.gris{background:#f3f4f6;color:var(--suave)}h1{font-size:24px}h2{font-size:19px}