/* ===========================
   ESTILO BASE ORIGINAL TUYO
   =========================== */
body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #fff;
  color: #111;
}

.app {
  max-width: 600px;
  margin: auto;
  padding: 10px;
}

h1 {
  font-size: 1.5em;
  text-align: center;
  margin: 10px 0;
}

/* ===========================
   BUSCADOR
   =========================== */
.buscador {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.buscador input,
.buscador button {
  padding: 10px;
  font-size: 1em;
  border-radius: 8px;
  border: 1px solid #ccc;
  background: #fff;
}

.buscador button {
  background: #0077ff;
  color: white;
  border: none;
  font-weight: bold;
  cursor: pointer;
}

.buscador button:hover {
  background: #005fcc;
}

/* ===========================
   AUTOCOMPLETAR
   =========================== */

.sugerencias {
  position: absolute;
  top: 86px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #000;
  border: 1px solid #444;
  border-radius: 8px;
  max-height: 220px;
  overflow-y: auto;
  list-style: none;
  margin: 0;
  padding: 4px;
  display: none;
  color: #fff;
  font-size: 1.1em;
}

.sugerencias li {
  padding: 10px;
  cursor: pointer;
  border-radius: 6px;
}

.sugerencias li:hover,
.sugerencias li.activa {
  background: #333;
}

/* ===========================
   ACCIONES
   =========================== */

.acciones {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 10px 0;
}

.acciones button {
  padding: 10px;
  border-radius: 8px;
  border: none;
  background: #eee;
  font-size: 1em;
  cursor: pointer;
}

.acciones button:hover {
  background: #ddd;
}

/* ===========================
   RESULTADO
   =========================== */

.resultado {
  background: white;
  border-radius: 8px;
  padding: 12px;
  margin: 10px 0;
  font-size: 18px;
  line-height: 1.5em;
}

.resultado h2 {
  margin: 0 0 8px 0;
  font-size: 1.2em;
}

/* ===========================
   EXTRAS (favoritos / historial)
   =========================== */
.extras {
  margin-top: 15px;
}

.extras h2 {
  margin: 10px 0 5px 0;
  font-size: 1.1em;
}

.extras ul {
  list-style: none;
  padding: 0;
  margin: 0 0 8px 0;
}

.extras li {
  background: #fff;
  margin: 3px 0;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ddd;
  cursor: pointer;
}

.extras button {
  width: 100%;
  padding: 8px;
  border-radius: 6px;
  border: none;
  background: #ff5555;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

/* ===========================
   BOTÓN VOLVER FLOTANTE
   (exactamente como tú pediste)
   =========================== */

.btn-volver {
  position: fixed;
  bottom: 18px;
  right: 18px;
  background: rgba(166, 22, 36, 0.9);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 54px;
  height: 54px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  cursor: pointer;
  z-index: 2000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.btn-volver:hover {
  background: rgba(124, 15, 28, 1);
}

@media (max-width: 600px) {
  .btn-volver {
    width: 48px;
    height: 48px;
    font-size: 20px;
    bottom: 12px;
    right: 12px;
  }
}