.contenedor { width: min(100% - 28px, 760px); margin-inline: auto; }
.barra { position: sticky; top: 0; z-index: 50; background: rgba(11, 11, 12, .92); backdrop-filter: blur(10px); border-bottom: 2px solid var(--rojo); padding: 10px 0; }
main { padding: 18px 0 60px; display: grid; gap: 14px; }
.tarjeta { padding: 16px; }
.cabeza h1 { font-size: 1.6em; margin: 0; }
.cabeza .numero { color: var(--dorado2); }

.pasos { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-top: 14px; }
.paso { text-align: center; font-size: .72em; color: var(--gris2); }
.paso::before { content: ""; display: block; height: 6px; border-radius: 6px; background: #2a2629; margin-bottom: 6px; }
.paso.hecho { color: var(--blanco); }
.paso.hecho::before { background: linear-gradient(90deg, var(--rojo), var(--rojo2)); }
.paso.actual::before { background: linear-gradient(90deg, var(--dorado), var(--dorado2)); }

.lineas { width: 100%; border-collapse: collapse; }
.lineas td { padding: 9px 4px; border-bottom: 1px solid var(--linea); vertical-align: top; }
.lineas td:last-child { text-align: right; white-space: nowrap; }
.lineas .cambio { color: var(--dorado2); font-weight: 700; }
.lineas .agotado td { color: var(--gris2); text-decoration: line-through; }
.totales { display: grid; gap: 4px; margin-top: 10px; }
.totales div { display: flex; justify-content: space-between; }
.totales .total { font-size: 1.35em; font-weight: 850; color: var(--dorado2); }

.llamado { border: 2px solid var(--dorado); background: linear-gradient(180deg, #1f1806, #141110); }
.datos-pago { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 10px 0; }
.datos-pago dt { color: var(--gris); }
.datos-pago dd { margin: 0; font-weight: 700; }
.copiar { margin-left: 6px; }

.chat { display: flex; flex-direction: column; gap: 8px; max-height: 360px; overflow-y: auto; padding: 4px 0; }
.msg { max-width: 82%; padding: 8px 11px; border-radius: 14px; background: #221f22; border: 1px solid var(--linea); }
.msg.cliente { align-self: flex-end; background: #3a0f15; border-color: #5a1a22; }
.msg.sistema { align-self: center; background: #1d1707; border-color: #5d4510; font-size: .9em; }
.msg small { display: block; opacity: .6; font-size: .72em; margin-top: 3px; }
.enviar-msg { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 8px; }
.enviar-msg textarea { min-height: 46px; }

.otros a { display: block; padding: 8px 0; border-bottom: 1px solid var(--linea); text-decoration: none; }