:root {
  --tinta: #1d2430; --suave: #5a6472; --linea: #d8dde4; --fondo: #f6f7f9; --papel: #fff;
  --acento: #1f5fa8; --error: #b3261e; --ok: #1e7a3c; --aviso: #8a5a00;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--tinta);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fondo); line-height: 1.5; }
.contenedor { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 1.6rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }
a { color: var(--acento); }
.cabecera { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.cabecera img { width: 144px; height: auto; flex: none; }
.proveedor-nombre { margin: 0; color: var(--suave); font-weight: 600; }
.proveedor-datos { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 12px 16px; margin: 0 0 16px; display: grid; gap: 4px; }
.proveedor-datos div { display: flex; gap: 8px; flex-wrap: wrap; }
.proveedor-datos dt { font-weight: 600; min-width: 130px; }
.proveedor-datos dd { margin: 0; }
.intro, .ayuda { color: var(--suave); font-size: .92rem; }
.ayuda { margin: 4px 0; }
.bloque { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 16px; margin: 0 0 16px; min-width: 0; }
.bloque > legend { font-weight: 700; padding: 0 6px; }
.campo { margin: 0 0 14px; border: 0; padding: 0; min-width: 0; }
.campo label, .campo legend { display: block; font-weight: 600; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=tel], input[type=date], select, textarea {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid #b9c1cc; border-radius: 6px; background: #fff; color: inherit;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid #9cc3f0; outline-offset: 1px; }
.con-error input, .con-error select, .con-error textarea { border-color: var(--error); }
.error { color: var(--error); font-size: .9rem; margin: 4px 0 0; }
.req { color: var(--error); }
.fila { display: grid; gap: 0 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .fila { grid-template-columns: 1fr; } .cabecera { flex-direction: column; align-items: flex-start; } }
.opcion { display: flex; gap: 10px; align-items: flex-start; font-weight: 400 !important; margin: 6px 0; cursor: pointer; }
.opcion input, .casilla input { margin-top: 4px; }
.casilla { display: flex; gap: 8px; margin: 8px 0 12px; }
.apoderado { border-left: 3px solid var(--linea); padding-left: 12px; }
.trampa { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.notas { font-size: .88rem; color: var(--suave); margin: 0 0 16px; }
.boton { font: inherit; font-weight: 600; background: var(--acento); color: #fff; border: 0; border-radius: 6px; padding: 12px 20px; cursor: pointer; }
.boton.secundario { background: #fff; color: var(--acento); border: 1px solid var(--acento); }
.alerta { background: #fff4e5; border: 1px solid #f0c27a; color: #5b3b00; border-radius: 8px; padding: 12px 16px; }
.ok { background: #e9f6ee; border: 1px solid #9fd3b1; color: #134d27; border-radius: 8px; padding: 12px 16px; }
.confirmacion { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 20px; margin-bottom: 20px; }
.codigo-grande { font-size: 1.8rem; font-weight: 700; letter-spacing: .02em; margin: 4px 0 12px; }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.hoja { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 20px; }
.hoja section { margin: 0 0 16px; }
.hoja h3 { font-size: .95rem; margin: 10px 0 4px; }
.hoja-titulo { font-weight: 700; margin: 0; text-transform: uppercase; font-size: .85rem; letter-spacing: .04em; }
.hoja-codigo { font-size: 1.3rem; font-weight: 700; margin: 2px 0; }
.hoja-fecha { color: var(--suave); margin: 0 0 12px; }
.hoja-tabla { border-collapse: collapse; width: 100%; }
.hoja-tabla th, .hoja-tabla td { text-align: left; vertical-align: top; padding: 4px 8px 4px 0; border-bottom: 1px solid #eef0f3; }
.hoja-tabla th { width: 38%; font-weight: 600; }
.hoja-tabla td { overflow-wrap: anywhere; }
.hoja p { overflow-wrap: anywhere; }
.hoja-pendiente { color: var(--aviso); }
.hoja-notas { font-size: .82rem; color: var(--suave); border-top: 1px solid var(--linea); padding-top: 8px; }
.tabla { width: 100%; border-collapse: collapse; background: var(--papel); font-size: .92rem; }
.tabla th, .tabla td { border-bottom: 1px solid var(--linea); padding: 8px; text-align: left; }
.tabla tr.spam { color: var(--suave); text-decoration: line-through; }
.vencida { color: var(--error); font-weight: 600; }
.bloque-admin { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 16px; margin-top: 16px; }
.mensaje { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 20px; }
[hidden] { display: none !important; }
@media print {
  body { background: #fff; }
  .confirmacion, .bloque-admin, a[href^="/admin"] { display: none !important; }
  .hoja { border: 0; padding: 0; }
  .contenedor { max-width: none; padding: 0; }
}