:root {
  --umh-rojo: #BC2A30;
  --umh-rojo-oscuro: #9c2126;
  --umh-gris: #877974;
  --umh-negro: #1C1C1B;
  --umh-gris-claro: #f2efee;
  --umh-borde: #ddd6d3;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 0;
  background-color: var(--umh-gris-claro);
  color: var(--umh-negro);
}

/* --- Cabecera institucional --- */
.umh-topbar {
  background-color: var(--umh-rojo);
  border-bottom: 4px solid var(--umh-negro);
}

.umh-topbar-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.umh-topbar .logo {
  max-width: 40px;
  height: auto;
  background: #fff;
  border-radius: 5px;
  padding: 2px;
  flex-shrink: 0;
}

.umh-topbar-text {
  display: flex;
  flex-direction: column;
  color: #fff;
}

.umh-eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

.umh-title {
  font-size: 17px;
  font-weight: 700;
}

/* --- Contenido --- */
.page {
  max-width: 800px;
  margin: 0 auto;
  padding: 30px 20px 50px;
}

.card {
  background: #fff;
  padding: 30px;
  border-radius: 4px;
  border-top: 10px solid var(--umh-rojo);
  box-shadow: 0 2px 10px rgba(28, 28, 27, 0.08);
}

h2 {
  color: var(--umh-negro);
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
}

.subtitle {
  color: var(--umh-gris);
  font-size: 14px;
  margin: 0 0 24px;
  line-height: 1.4;
}

h3 {
  color: var(--umh-negro);
  border-left: 4px solid var(--umh-rojo);
  padding-left: 10px;
  margin-top: 28px;
  font-size: 16px;
}

label {
  font-weight: 600;
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--umh-negro);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

input,
textarea {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid var(--umh-borde);
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 15px;
  font-family: inherit;
  background-color: #fff;
  color: var(--umh-negro);
}

input:focus,
textarea:focus {
  border-color: var(--umh-rojo);
  outline: 2px solid rgba(188, 42, 48, 0.15);
}

button {
  background-color: var(--umh-rojo);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 4px;
  margin-top: 24px;
  width: 100%;
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: var(--umh-rojo-oscuro);
}

button:disabled {
  background-color: var(--umh-gris);
  cursor: not-allowed;
}

pre {
  background-color: var(--umh-negro);
  color: #f2efee;
  padding: 18px;
  border-radius: 4px;
  border-left: 4px solid var(--umh-rojo);
  white-space: pre-wrap;
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  margin-top: 12px;
  min-height: 200px;
  overflow-x: auto;
}

.error-text {
  color: #ff8a8a;
}

.comentarios-box {
  background-color: var(--umh-gris-claro);
  color: var(--umh-negro);
  border-left-color: var(--umh-gris);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 13px;
}

.hint {
  font-size: 12px;
  color: var(--umh-gris);
  font-weight: normal;
  text-transform: none;
  letter-spacing: normal;
  margin-top: 6px;
}

hr {
  margin: 24px 0;
  border: 0;
  border-top: 1px solid var(--umh-borde);
}

.umh-footer {
  text-align: center;
  color: var(--umh-gris);
  font-size: 12px;
  margin-top: 24px;
}

/* =======================================================================
   Añadidos para la PWA multi-sección (navegación, chatbot, prompts,
   utilidades). Reutiliza las variables --umh-* ya definidas arriba.
   ======================================================================= */

.page-app {
  padding-bottom: 100px; /* deja hueco para la barra de pestañas fija */
}

.tab-panel[hidden] {
  display: none;
}

/* --- Barra de pestañas inferior (estilo app móvil) --- */
.tab-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  background-color: #fff;
  border-top: 1px solid var(--umh-borde);
  padding: 6px max(6px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
  z-index: 20;
  box-shadow: 0 -2px 10px rgba(28, 28, 27, 0.08);
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--umh-gris);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
  border-radius: 8px;
  cursor: pointer;
}

.tab-btn .tab-icono {
  font-size: 20px;
}

.tab-btn.is-active {
  color: var(--umh-rojo);
  background-color: rgba(188, 42, 48, 0.08);
}

.tab-btn:hover {
  background-color: var(--umh-gris-claro);
}

.umh-footer-app {
  margin-bottom: 90px;
}

/* --- Chatbot --- */
.card-chat {
  display: flex;
  flex-direction: column;
}

.chat-mensajes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 260px;
  max-height: 50vh;
  overflow-y: auto;
  padding: 6px 2px;
  margin-top: 10px;
}

.chat-burbuja {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.chat-bot {
  align-self: flex-start;
  background-color: var(--umh-gris-claro);
  color: var(--umh-negro);
  border-bottom-left-radius: 4px;
}

.chat-usuario {
  align-self: flex-end;
  background-color: var(--umh-rojo);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-burbuja.chat-error {
  background-color: #fdecea;
  color: #9c2126;
}

.chat-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.chat-form input {
  flex: 1;
  margin-top: 0;
}

.chat-form button {
  width: auto;
  margin-top: 0;
  padding: 0 20px;
  white-space: nowrap;
}

/* --- Prompts --- */
.lista-prompts {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}

.prompt-item {
  border: 1px solid var(--umh-borde);
  border-left: 4px solid var(--umh-rojo);
  border-radius: 4px;
  padding: 14px;
  background-color: var(--umh-gris-claro);
}

.prompt-item h4 {
  margin: 0 0 8px;
  color: var(--umh-negro);
  font-size: 15px;
}

.prompt-texto {
  background-color: #fff;
  color: var(--umh-negro);
  border: 1px solid var(--umh-borde);
  border-left: 3px solid var(--umh-gris);
  font-size: 13px;
  min-height: 0;
  margin-top: 0;
}

.prompt-acciones {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn-secundario {
  width: auto;
  margin-top: 0;
  background-color: #fff;
  color: var(--umh-rojo);
  border: 1px solid var(--umh-rojo);
  padding: 8px 14px;
  font-size: 13px;
}

.btn-secundario:hover {
  background-color: var(--umh-rojo);
  color: #fff;
}

.btn-borrar {
  color: var(--umh-gris);
  border-color: var(--umh-gris);
}

.btn-borrar:hover {
  background-color: var(--umh-gris);
  color: #fff;
}

/* --- Utilidades --- */
.grid-accesos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.acceso-rapido {
  display: block;
  background-color: var(--umh-gris-claro);
  border: 1px solid var(--umh-borde);
  border-radius: 4px;
  padding: 14px 10px;
  text-align: center;
  color: var(--umh-negro);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}

.acceso-rapido:hover {
  background-color: var(--umh-rojo);
  color: #fff;
}

@media (min-width: 480px) {
  .grid-accesos {
    grid-template-columns: repeat(3, 1fr);
  }
}