* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

:root {
  --bg-color: #cccccc;
  --text-color: #222222;
  --main-color: #a5a5a5;
}

body {
  display: flex;
  flex-direction: column;
  padding: 30px;
  height: 100vh;
  background-color: var(--bg-color);
}

.main {
  width: 100%;
  padding: 20px;
  height: 100%;
  display: flex;
  gap: 60px;
  align-items: center;
  justify-content: space-between;
}

.main-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 10px;
  height: 100%;
  background-color: var(--main-color);
  border-radius: 40px;
}

.main-left-top {
  align-items: center;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.title {
  color: var(--text-color);
  font-size: 2rem;
  font-weight: 600;
}

.description {
  color: var(--text-color);
  font-size: 1.4rem;
  font-weight: 500;
}

.main-left-bottom {
  height: 60%;
  gap: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

#toggleEncrypt {
  width: 250px;
  height: auto;
  cursor: pointer;
}

.instruction {
  color: var(--text-color);
  width: 250px;
  display: flex;
  text-align: center;
  font-size: 1.2rem;
}

.main-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 50%;
}

.form,
.result {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 80px;
}

textarea,
.message-result {
  background-color: var(--main-color);
  width: 80%;
  height: 300px;
  text-align: start;
  align-items: center;
  padding: 30px 40px;
  border-radius: 20px;
  font-size: 1.2rem;
  color: var(--text-color);
  cursor: pointer;
  touch-action: none;
  resize: none; /* Evita que el usuario redimensione el textarea */
  overflow: auto; /* Oculta la barra de deslizamiento */
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.message-result {
  border: 1px solid var(--text-color);
}

.result {
  display: none;
}

textarea:focus {
  border-color: var(--text-color); /* Cambia el color del borde */
  box-shadow: 0 0 8px var(--text-color); /* Añade una sombra */
  outline: none; /* Quita el outline por defecto */
}

.btn {
  background-color: transparent;
  border-radius: 20px;
  padding: 20px 40px;
  align-content: center;
  text-align: center;
  border: 1px solid var(--text-color);
  color: var(--text-color);
  font-size: 1.2rem;
  cursor: pointer;
}

.btn-s {
  background-color: var(--text-color);
  border-radius: 20px;
  padding: 20px 40px;
  align-content: center;
  text-align: center;
  border: 1px solid var(--text-color);
  color: var(--bg-color);
  font-size: 1.2rem;
  cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.3s ease; /* Transición suave */
}

.btn-s:hover {
  box-shadow: 0 4px 8px var(--text-color); /* Sombra suave */
  transform: translateY(-2px); /* Efecto de elevación */
}

.btn:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.buttons {
  display: flex;
  gap: 20px;
}

/* Toast (mensaje flotante) */
.toast {
  visibility: hidden;
  min-width: 250px;
  margin-left: -125px;
  background-color: var(--text-color);
  color: var(--bg-color);
  text-align: center;
  padding: 16px;
  position: fixed;
  z-index: 1;
  left: 50%;
  bottom: 30px;
  font-size: 17px;
  opacity: 0;
  border-radius: 10px;
  transition: opacity 0.5s ease-in-out;
}

.toast.show {
  visibility: visible;
  opacity: 1;
  z-index: 10000;
}