/* Página de la demo en vivo (ADR 036): clara y cálida, con el rojo de la marca arroba.es. */
:root { --rojo: #c0392b; --rojo2: #e04a3c; --rojo3: #8e1b16; --tinta: #3f3631; --suave: #7c706a; --fondo: #fbf7f2; --tarjeta: #ffffff; --borde: #ece2d8;
  --sombra: 0 1px 2px rgba(80, 50, 30, .06), 0 8px 24px rgba(80, 50, 30, .08); font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--tinta); }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(1200px 500px at 10% -10%, #fff1e8 0%, transparent 60%), var(--fondo); min-height: 100vh; }
button, select { font: inherit; }
button { cursor: pointer; border: 1px solid var(--borde); background: #fff; color: var(--tinta); border-radius: 10px; padding: 7px 12px; transition: background .15s, border-color .15s; }
button:hover { border-color: #d8c6b6; background: #fffaf6; }
button.pri { background: linear-gradient(135deg, var(--rojo2), var(--rojo)); color: #fff; border: 0; padding: 10px 18px; }
.oculto { display: none !important; }
.sep { flex: 1; }

.cab { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 10px 22px; background: rgba(255, 252, 248, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--borde); }
.cab .logo img { display: block; height: 44px; width: auto; }
.cab .titulo { display: flex; flex-direction: column; gap: 3px; }
.cab h1 { margin: 0; font-size: 24px; font-weight: 300; letter-spacing: -.01em; }
.cab h1 b { color: var(--rojo); font-weight: 700; }
.vivo { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--suave); text-transform: uppercase; letter-spacing: .08em; }
.vivo i { width: 8px; height: 8px; border-radius: 50%; background: #2fa84f; box-shadow: 0 0 0 4px rgba(47, 168, 79, .15); animation: latido 1.6s infinite; }
@keyframes latido { 50% { box-shadow: 0 0 0 7px rgba(47, 168, 79, 0); } }
.escenarios { display: flex; gap: 8px; margin-left: 12px; flex: 1; }
.escenarios a { text-decoration: none; color: inherit; padding: 8px 14px; border-radius: 12px; border: 1px solid transparent; display: flex; flex-direction: column; max-width: 240px; }
.escenarios a b { font-size: 15px; }
.escenarios a small { font-size: 11.5px; color: var(--suave); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.escenarios a:hover { background: #fff; border-color: var(--borde); }
.escenarios a.sel { background: #fff; border-color: #f0c9c1; box-shadow: inset 0 -3px 0 var(--rojo); }
.acciones { display: flex; gap: 8px; }

.guia { max-width: 1716px; margin: 18px auto 0; padding: 16px 22px; background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 18px; box-shadow: var(--sombra); display: grid; grid-template-columns: 300px 1fr; gap: 6px 26px; }
.guia-cab h2 { margin: 0 0 6px; font-size: 20px; }
.guia-cab h2 small { color: var(--suave); font-weight: 400; }
.guia-cab p { margin: 0; color: var(--suave); font-size: 14px; line-height: 1.45; }
.guia ol { list-style: none; counter-reset: paso; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.guia li { counter-increment: paso; font-size: 13.5px; line-height: 1.4; color: var(--suave); }
.guia li strong { display: block; color: var(--tinta); font-size: 14px; margin-bottom: 3px; }
.guia li strong::before { content: counter(paso); display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 7px; border-radius: 50%; background: #fdeae6; color: var(--rojo); font-size: 12px; }
.guia .claves { grid-column: 2; margin: 4px 0 0; font-size: 13px; color: var(--suave); display: flex; gap: 14px; flex-wrap: wrap; }
.guia .claves span { background: #faf3ec; border-radius: 8px; padding: 3px 9px; }

.demo { max-width: 1760px; margin: 18px auto; padding: 0 22px; display: grid; grid-template-columns: minmax(0, 1fr) 330px 320px; gap: 18px; align-items: start; }
.col-principal, .col-moviles, .col-bandeja { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.col-bandeja { position: sticky; top: 84px; }
.marco, .bandeja { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 18px; box-shadow: var(--sombra); overflow: hidden; }
.marco > header, .bandeja > header { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; padding: 9px 12px 9px 16px; border-bottom: 1px solid var(--borde); background: #fffcf9; }
.marco > header b { white-space: nowrap; }
.marco.movil > header button { padding: 3px 7px; }
.marco > header b, .bandeja > header b { font-size: 14.5px; }
.marco > header button { padding: 4px 9px; font-size: 14px; border-radius: 8px; }
.marco select { border: 1px solid var(--borde); border-radius: 8px; padding: 3px 6px; background: #fff; }
.bandeja > header small { color: var(--suave); font-size: 12px; }
.bandeja .tit { display: flex; flex-direction: column; gap: 2px; }
.lienzo { padding: 12px; background: #f4ede6; }
.carcasa { position: relative; overflow: hidden; border-radius: 6px; background: #fff; box-shadow: 0 0 0 1px #0001; max-width: calc(var(--w) * 1px); margin: 0 auto; }
.carcasa iframe { position: absolute; left: 0; top: 0; border: 0; transform-origin: 0 0; background: #fff; }
/* los móviles, con su carcasa */
.marco.movil .lienzo { padding: 16px 0; display: flex; justify-content: center; }
.marco.movil .lienzo { --anchoMovil: 300px; }
.marco.movil .carcasa { width: 300px; border-radius: 34px; border: 9px solid #26211e; box-shadow: 0 10px 26px rgba(0, 0, 0, .18); }
.marco.movil .carcasa::before { content: ''; position: absolute; z-index: 2; top: 6px; left: 50%; width: 70px; height: 16px; transform: translateX(-50%); border-radius: 10px; background: #26211e; }
/* ampliado: el marco ocupa la ventana */
body.con-grande { overflow: hidden; }
.marco.grande { position: fixed; inset: 12px; z-index: 50; display: flex; flex-direction: column; }
.marco.grande .lienzo { flex: 1; overflow: auto; }
.marco.movil.grande .carcasa { width: 390px; }

.papeles { max-height: calc(100vh - 150px); overflow: auto; padding: 12px; display: flex; flex-direction: column; gap: 12px; background: #f4ede6; }
.papeles .vacia { margin: 6px; color: var(--suave); font-size: 13.5px; line-height: 1.45; }
.hoja { background: #fff; border-radius: 12px; box-shadow: 0 1px 3px rgba(0, 0, 0, .08); overflow: hidden; transition: transform .45s cubic-bezier(.2, .8, .2, 1), opacity .45s; }
.hoja.entra { transform: translateY(-14px); opacity: 0; }
.hoja > header { display: flex; flex-direction: column; padding: 8px 12px; border-bottom: 1px dashed var(--borde); }
.hoja > header small { color: var(--suave); font-size: 12px; }
.hoja .mini { max-height: 220px; overflow: hidden; padding: 8px 0; display: flex; justify-content: center; -webkit-mask-image: linear-gradient(#000 75%, transparent); mask-image: linear-gradient(#000 75%, transparent); }
.hoja .mini .papel { transform: scale(.78); transform-origin: top center; margin-bottom: -25%; }
.hoja .a4, .hoja .cajon { padding: 18px 12px; text-align: center; color: var(--suave); font-size: 13px; }
.hoja .a4 span { display: block; font-weight: 600; color: var(--tinta); font-size: 15px; }
.hoja > footer { display: flex; gap: 8px; padding: 8px 12px; border-top: 1px solid var(--borde); }
.hoja > footer button { padding: 4px 10px; font-size: 13px; }

.cargando { grid-column: 1 / -1; min-height: 50vh; display: grid; place-content: center; justify-items: center; gap: 10px; text-align: center; color: var(--suave); }
.cargando p { margin: 0; font-size: 18px; color: var(--tinta); }
.cargando .punto { width: 34px; height: 34px; border-radius: 50%; border: 4px solid #f3d6cf; border-top-color: var(--rojo); animation: gira 1s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }

.visor { position: fixed; inset: 0; z-index: 60; background: rgba(40, 28, 22, .45); display: grid; place-items: center; padding: 20px; }
.visor-caja { width: min(560px, 96vw); height: min(88vh, 900px); background: #fff; border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0, 0, 0, .3); }
.visor-caja.ancho { width: min(1320px, 96vw); }
.visor-caja header { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--borde); }
.visor-caja header small { color: var(--suave); }
.visor-caja iframe { flex: 1; border: 0; width: 100%; }

.pie { max-width: 1760px; margin: 0 auto 30px; padding: 0 22px; display: flex; gap: 16px; color: var(--suave); font-size: 12.5px; }
.pie a { color: var(--rojo); margin-left: auto; }

@media (max-width: 1440px) {
  .demo { grid-template-columns: minmax(0, 1fr) 340px; }
  .col-principal { grid-row: span 2; }
  .col-moviles, .col-bandeja { grid-column: 2; }
  .col-bandeja { position: static; }
}
@media (max-width: 1100px) {
  .demo { grid-template-columns: 1fr; }
  .col-principal { grid-row: auto; }
  .col-moviles, .col-bandeja { grid-column: 1; }
  .col-moviles { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
  .guia { grid-template-columns: 1fr; } .guia .claves { grid-column: 1; }
  .guia ol { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}
@media (max-width: 760px) {
  .cab { flex-wrap: wrap; gap: 10px; padding: 8px 12px; }
  .escenarios { order: 3; width: 100%; margin: 0; overflow-x: auto; }
  .escenarios a small { display: none; }
  .demo, .guia { padding-left: 12px; padding-right: 12px; }
}