:root {
  color-scheme: light;
  --navy: #0d2230;
  --cian: #00c2ff;
  --verde: #25d366;
  --verde-oscuro: #128c4b;
  --fondo: #dfe8ea;
  --burbuja: #ffffff;
  --propia: #d9fdd3;
  --texto: #14242f;
  --suave: #5b6b76;
  --borde: #cfd8dd;
  --error: #b3261e;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body { background: var(--navy); color: var(--texto); }

.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
  background: var(--fondo);
}

.barra {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--navy);
  color: #fff;
}
.barra h1 { margin: 0; font-size: 17px; }
.barra p { margin: 1px 0 0; font-size: 12.5px; color: #b9cbd6; }

.avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--cian);
  color: var(--navy);
  font-weight: 800;
  font-size: 20px;
}

.chat {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.msj {
  max-width: 86%;
  padding: 8px 11px;
  border-radius: 10px;
  background: var(--burbuja);
  font-size: 15px;
  line-height: 1.38;
  box-shadow: 0 1px 1px rgb(13 34 48 / 14%);
  align-self: flex-start;
  overflow-wrap: anywhere;
}
.msj.propio { align-self: flex-end; background: var(--propia); }
.msj p { margin: 0; }
.msj p + p { margin-top: 6px; }

.botones { display: flex; flex-direction: column; gap: 6px; align-self: flex-start; width: min(86%, 300px); }

.boton-chat {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 0;
  border-radius: 10px;
  background: var(--burbuja);
  color: #0a7ea4;
  font: inherit;
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 1px 1px rgb(13 34 48 / 14%);
}
.boton-chat.verde { background: var(--verde-oscuro); color: #fff; }
.boton-chat:disabled { color: var(--suave); cursor: default; }

.documento {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}
.documento b { display: block; font-size: 14.5px; }
.documento small { color: var(--suave); }
.documento .tipo {
  flex: none;
  padding: 11px 7px;
  border-radius: 5px;
  background: #b3261e;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

.escribiendo { color: var(--suave); font-style: italic; }

.cierre {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: none;
  padding: 20px 16px;
  border-radius: 14px;
  background: var(--navy);
  color: #fff;
  text-align: center;
}
.cierre h2 { margin: 0; font-size: 24px; line-height: 1.2; }
.cierre p { margin: 0; font-size: 16px; }
.cierre .cierre-aviso { color: #b9cbd6; font-size: 14px; }
.cierre .boton-chat { min-height: 52px; font-size: 18px; }
.cierre .boton-chat.verde { display: grid; place-items: center; }

.pie {
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
  background: #f7f9fa;
  border-top: 1px solid var(--borde);
  font-size: 11.5px;
  line-height: 1.35;
  color: #44545f;
}
.pie p { margin: 0; }
.pie p + p { margin-top: 3px; }
.pie a { color: #08698a; }

.hoja {
  width: min(100%, 480px);
  max-width: 480px;
  height: min(92dvh, 760px);
  max-height: none;
  margin: auto auto 0;
  padding: 0;
  border: 0;
  border-radius: 16px 16px 0 0;
  color: var(--texto);
  background: #fff;
}
.hoja[open] { display: flex; flex-direction: column; }
.hoja::backdrop { background: rgb(13 34 48 / 55%); }

.hoja-barra {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px;
  border-bottom: 1px solid var(--borde);
}
.hoja-barra h2 { flex: 1; margin: 0; font-size: 17px; text-align: center; }

.icono {
  width: 44px;
  height: 44px;
  border: 0;
  background: none;
  color: var(--navy);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}
.icono[hidden] { visibility: hidden; display: block; }

.hoja-cuerpo { flex: 1; overflow-y: auto; padding: 16px; }
.hoja-cuerpo h3 { margin: 18px 0 8px; font-size: 15px; }
.hoja-cuerpo h3:first-child { margin-top: 0; }
.hoja-cuerpo > p { margin: 0 0 12px; font-size: 14.5px; color: var(--suave); }

.fijo {
  margin: 0;
  padding: 12px;
  border-radius: 8px;
  background: #f1f5f7;
  font-size: 14.5px;
}
.fijo div { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; }
.fijo dt { color: var(--suave); }
.fijo dd { margin: 0; font-weight: 600; text-align: right; }

.producto { padding: 12px 0 14px; border-top: 1px solid var(--borde); }
.producto:first-child { padding-top: 0; border-top: 0; }
.producto-cab { display: flex; justify-content: space-between; align-items: center; min-height: 32px; margin-bottom: 4px; }
.producto-cab b { font-size: 15px; }

.quitar { min-height: 32px; border: 0; background: none; color: var(--error); font: inherit; font-size: 14px; cursor: pointer; }

.campo { display: block; margin-bottom: 10px; font-size: 13.5px; font-weight: 600; }
.campo input, .campo select {
  display: block;
  width: 100%;
  min-height: 44px;
  margin-top: 4px;
  padding: 9px 10px;
  border: 1px solid #8fa0ab;
  border-radius: 8px;
  background: #fff;
  color: var(--texto);
  font: inherit;
  font-size: 16px;
  font-weight: 400;
}
.fila { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.fila .campo { margin-bottom: 0; }

.agregar + .producto { margin-top: 12px; }

.agregar {
  width: 100%;
  min-height: 44px;
  border: 1px dashed #8fa0ab;
  border-radius: 8px;
  background: none;
  color: #08698a;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.resumen-linea { display: flex; justify-content: space-between; gap: 16px; padding: 7px 0; border-bottom: 1px solid #e4eaed; font-size: 14.5px; }
.resumen-linea small { display: block; color: var(--suave); }
.resumen-linea span:last-child { flex: none; font-variant-numeric: tabular-nums; }
.resumen-linea.total { border: 0; padding-top: 10px; font-size: 18px; font-weight: 800; }

.aviso { margin-top: 12px; padding: 10px 12px; border-radius: 8px; background: #fdecec; color: #8f1b16; font-size: 13.5px; }

.hoja-accion { padding: 10px 16px calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--borde); }
.error { margin: 0 0 8px; color: var(--error); font-size: 14px; }
.principal {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 24px;
  background: var(--verde-oscuro);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--cian);
  outline-offset: 1px;
}

@media (min-width: 481px) {
  .hoja { border-radius: 16px; margin: auto; }
}