:root {
  --crema: #FAF6EF;
  --crema-oscuro: #F0E9DC;
  --texto: #2B2118;
  --texto-suave: #6B6155;
  --acento: #C9663A;
  --acento-suave: #E9C8B4;
  --burbuja-usuario: #E7DCC9;
  --burbuja-ia: #FFFFFF;
  --borde: #E3DACB;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--crema);
  color: var(--texto);
}

.cielo {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, #FDF9F2 0%, var(--crema) 55%);
  overflow: hidden;
}
.resplandor {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(201,102,58,0.10) 0%, rgba(201,102,58,0) 65%);
}

.demo-app {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ---------- Sidebar ---------- */
.demo-sidebar {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  background: var(--crema-oscuro);
  border-right: 1px solid var(--borde);
}
.demo-marca {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px 18px;
}
.demo-marca-logo { width: 26px; height: 26px; border-radius: 8px; }
.demo-marca-texto { font-family: 'Fraunces', serif; font-weight: 600; font-size: 17px; }
.demo-pill-beta {
  margin-left: auto;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--acento-suave);
  color: var(--acento);
  font-weight: 600;
}

.demo-nav { display: flex; flex-direction: column; gap: 4px; }
.demo-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: none;
  background: transparent;
  padding: 10px 10px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--texto);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.demo-nav-activo:hover { background: rgba(0,0,0,0.05); }
.demo-nav-bloqueado { color: var(--texto-suave); }
.demo-nav-bloqueado:hover { background: rgba(0,0,0,0.04); }
.demo-candado { margin-left: auto; opacity: 0.7; }

.demo-sidebar-etiqueta {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--texto-suave);
  margin: 18px 10px 6px;
}
.demo-lista-chats-vacia {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 4px;
  padding: 10px;
  font-size: 12.5px;
  color: var(--texto-suave);
  border: 1px dashed var(--borde);
  border-radius: 10px;
  cursor: pointer;
}

.demo-pie-sidebar {
  margin-top: auto;
  padding: 10px 6px 2px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--texto-suave);
  opacity: 0.8;
}

/* ---------- Chat principal ---------- */
.demo-chat {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}
.demo-chat-fondo {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 220px;
  opacity: 0.5;
  pointer-events: none;
}
.demo-cresta-1 { fill: var(--acento-suave); opacity: 0.35; }
.demo-cresta-2 { fill: var(--crema-oscuro); opacity: 0.6; }

.demo-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--borde);
  background: rgba(250,246,239,0.9);
  backdrop-filter: blur(4px);
}
.demo-btn-menu-movil {
  display: none;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--texto);
}
.demo-header-icono { width: 28px; height: 28px; border-radius: 8px; }
.demo-header-titulos { display: flex; flex-direction: column; line-height: 1.2; }
.demo-header-titulo { margin: 0; font-family: 'Fraunces', serif; font-weight: 600; font-size: 15px; }
.demo-header-sub { margin: 0; font-size: 12px; color: var(--texto-suave); }

.demo-auth-botones {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.demo-btn-login, .demo-btn-registro {
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.demo-btn-login {
  background: var(--texto);
  color: #fff;
  border: 1px solid var(--texto);
}
.demo-btn-login:hover { opacity: 0.88; }
.demo-btn-registro {
  background: transparent;
  color: var(--texto);
  border: 1px solid var(--borde);
}
.demo-btn-registro:hover { background: rgba(0,0,0,0.04); }

.demo-aviso-invitado {
  position: relative;
  z-index: 2;
  font-size: 12.5px;
  color: var(--texto-suave);
  background: var(--crema-oscuro);
  border-bottom: 1px solid var(--borde);
  padding: 8px 20px;
}
.demo-aviso-invitado a { color: var(--acento); font-weight: 600; text-decoration: none; }
.demo-aviso-invitado a:hover { text-decoration: underline; }

.demo-mensajes {
  position: relative;
  z-index: 2;
  flex: 1;
  overflow-y: auto;
  padding: 24px 18%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@media (max-width: 900px) { .demo-mensajes { padding: 20px 6%; } }

.demo-estado-vacio {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 24px;
  margin: auto;
}
.demo-estado-vacio-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin-bottom: 6px;
  opacity: 0.9;
}
.demo-estado-vacio-titulo {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--texto);
}
.demo-estado-vacio-sub {
  margin: 0;
  max-width: 380px;
  font-size: 14px;
  color: var(--texto-suave);
  line-height: 1.5;
}

.demo-msg { display: flex; }
.demo-msg-usuario { justify-content: flex-end; }
.demo-msg-ia { justify-content: flex-start; }
.demo-burbuja {
  max-width: 640px;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.demo-msg-usuario .demo-burbuja { background: var(--burbuja-usuario); border-bottom-right-radius: 4px; }
.demo-msg-ia .demo-burbuja { background: var(--burbuja-ia); border: 1px solid var(--borde); border-bottom-left-radius: 4px; }
.demo-msg-ia .demo-burbuja.demo-pensando { color: var(--texto-suave); font-style: italic; }
.demo-msg-ia .demo-burbuja.demo-error { color: #a4402a; }

.demo-form-mensaje {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 14px 18%;
  border-top: 1px solid var(--borde);
  background: rgba(250,246,239,0.92);
}
@media (max-width: 900px) { .demo-form-mensaje { padding: 12px 5%; } }
.demo-form-mensaje textarea {
  flex: 1;
  resize: none;
  max-height: 140px;
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14.5px;
  background: #fff;
  color: var(--texto);
}
.demo-form-mensaje textarea:focus { outline: 2px solid var(--acento-suave); }
#demoBtnEnviar {
  border: none;
  background: var(--acento);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
#demoBtnEnviar:disabled { opacity: 0.5; cursor: default; }

/* ---------- Modales ---------- */
.demo-modal-fondo {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(43,33,24,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.demo-modal-fondo.oculto { display: none; }
.demo-modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px 26px;
  box-shadow: 0 24px 60px rgba(43,33,24,0.25);
  text-align: center;
}
.demo-modal-cerrar {
  position: absolute;
  top: 14px;
  right: 14px;
  border: none;
  background: transparent;
  font-size: 15px;
  cursor: pointer;
  color: var(--texto-suave);
}
.demo-modal h2 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 18px;
}

/* ---- Formularios reales de login/registro/codigo/nombre embebidos ---- */
.vista-auth { width: 100%; display: flex; flex-direction: column; align-items: center; }
.vista-auth.oculto { display: none; }
.campo { width: 100%; display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; text-align: left; }
.campo span { font-size: 12px; font-weight: 600; color: var(--texto-suave); text-transform: uppercase; letter-spacing: 0.4px; }
.campo input {
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--borde);
  background: #fff;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--texto);
  outline: none;
}
.campo input:focus { border-color: var(--acento); box-shadow: 0 0 0 3px rgba(201,102,58,0.15); }
.fila-opciones { width: 100%; display: flex; justify-content: flex-start; margin: 2px 0 20px; }
.recordarme { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--texto-suave); cursor: pointer; user-select: none; }
.recordarme input { accent-color: var(--acento); width: 15px; height: 15px; cursor: pointer; }
.terminos-caja {
  width: 100%;
  background: var(--crema-oscuro);
  border: 1px solid var(--borde);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 12.5px;
  color: var(--texto-suave);
  text-align: left;
}
.terminos-caja p { margin: 0 0 6px; color: var(--texto); }
.terminos-caja ul { margin: 0 0 10px; padding-left: 18px; }
.terminos-caja li { margin-bottom: 3px; line-height: 1.4; }
.terminos-caja .recordarme { color: var(--texto); font-size: 12.5px; }
#btnIngresar, #btnPedirCodigo, #btnConfirmarCodigo, #btnConfirmarNombre {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: var(--texto);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
#btnIngresar:hover, #btnPedirCodigo:hover, #btnConfirmarCodigo:hover, #btnConfirmarNombre:hover { opacity: 0.9; }
#btnIngresar:disabled, #btnPedirCodigo:disabled, #btnConfirmarCodigo:disabled, #btnConfirmarNombre:disabled { opacity: 0.6; cursor: default; }
.mensaje-error { margin: 14px 0 0; font-size: 13px; color: #A93A2C; background: rgba(169,58,44,0.1); border-radius: 8px; padding: 9px 12px; text-align: center; width: 100%; }
.mensaje-error.oculto { display: none; }
.texto-alternar { font-size: 12.5px; color: var(--texto-suave); margin: 12px 0 0; text-align: center; }
.texto-alternar a { color: var(--acento); font-weight: 600; text-decoration: none; }
.texto-alternar a:hover { text-decoration: underline; }
.texto-codigo { font-size: 13.5px; color: var(--texto-suave); text-align: center; margin: 0 0 18px; line-height: 1.5; }
.texto-codigo strong { color: var(--texto); }
#codigoInput { text-align: center; letter-spacing: 8px; font-size: 20px; font-weight: 600; }
.separador { display: flex; align-items: center; width: 100%; margin: 18px 0 14px; color: var(--texto-suave); font-size: 12px; }
.separador::before, .separador::after { content: ""; flex: 1; height: 1px; background: var(--borde); }
.separador span { padding: 0 10px; }
.btn-google {
  width: 100%;
  padding: 11px;
  border-radius: 10px;
  border: 1px solid var(--borde);
  background: #fff;
  color: var(--texto);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  box-sizing: border-box;
}
.btn-google:hover { background: var(--crema-oscuro); }

/* ---------- Modal Biblia ---------- */
.demo-modal-biblia { max-width: 560px; text-align: left; }
.demo-biblia-nav { display: flex; gap: 8px; margin: 4px 0 14px; }
.demo-biblia-nav select {
  flex: 1;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--borde);
  font-family: inherit;
  font-size: 13.5px;
  background: #fff;
}
.demo-biblia-cuerpo {
  max-height: 50vh;
  overflow-y: auto;
  font-size: 14.5px;
  line-height: 1.7;
  padding-right: 4px;
}
.demo-biblia-cuerpo p { margin: 0 0 10px; }
.demo-biblia-verso { color: var(--acento); font-weight: 700; font-size: 11px; vertical-align: super; margin-right: 3px; }
.demo-biblia-cargando, .demo-biblia-error { color: var(--texto-suave); font-size: 13.5px; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .demo-sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 8px 0 30px rgba(0,0,0,0.15);
  }
  .demo-sidebar.demo-sidebar-abierta { transform: translateX(0); }
  .demo-btn-menu-movil { display: flex; }
  .demo-header-sub { display: none; }
  .demo-btn-registro { display: none; }
}