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

:root {
  --color-dark-blue: #005f6b;
  --color-light-blue: #008c9e;
  --color-cyan: #00b4cc;
  --color-aqua: #00dffc;
  --color-dark-gray: #343838;
  --color-black: #202020;
  --color-gray: #5f5f5f;
  --color-white: #f9f9f9;

  --font-size--xsm: 12px;
  --font-size--sm: 16px;
  --font-size-md: 20px;
  --font-size-lg: 24;
  --font-size-xlg: 28;
}

body {
  background-color: var(--color-dark-gray);
  transition: 0.5s;
}

body.active {
  background: var(--color-white);
}


#toggle {
  position: absolute;
  right: 2rem;
  top: 2rem;
  width: 105px;
  height: 55px;
  border-radius: 160px;
  transition: 0.5s;
  cursor: pointer;
  background-color: var(--color-gray);
  box-shadow: insent 0 8px 60px rgba(0, 0, 0, 0.1),
    insent 0 8px 8px rgba(0, 0, 0, 0.1), insent 0 -4px 8px rgba(0, 0, 0, 0.1);
}

#toggle.active {
  background: #fff;
}

#toggle .indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 55px;
  height: 55px;
  background-image: url(src/img/moon.svg);
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 50%;
  transform: scale(0.9);
  background-color: var(--color-dark-gray);
  transition: 0.5s;
}
#toggle.active .indicator {
  left: 3rem;
  top: 0rem;
  background-image: url(src/img/sun.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-color: rgb(224, 185, 25);
}

h1,
h2,
h3,
h4,
p {
  text-wrap: pretty;
}

.modal {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvb;
  background-color: transparent;
  z-index: 1000;
}

.modal-content {
  width: 80%;
  height: 70dvb;
  flex-direction: column;
  justify-content: space-between;
  background-color: white;
  opacity: 1;
  font-size: var(--font-size-md);
  color: var(--color-dark-gray);
  font-weight: 500;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-align: center;
  align-content: center;
}

.headphonesIcon_container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cancel-container {
  width: 100%;
  text-align: end;
}

.cancel-container--btn {
  width: 3rem;
  cursor: pointer;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.17) 0px -23px 25px 0px inset,
    rgba(0, 0, 0, 0.15) 0px -36px 30px 0px inset,
    rgba(0, 0, 0, 0.1) 0px -79px 40px 0px inset, rgba(0, 0, 0, 0.06) 0px 2px 1px,
    rgba(0, 0, 0, 0.09) 0px 4px 2px, rgba(0, 0, 0, 0.09) 0px 8px 4px,
    rgba(0, 0, 0, 0.09) 0px 16px 8px, rgba(0, 0, 0, 0.09) 0px 32px 16px;
}

.cancel-container--btn:hover {
  scale: 1.1;
}

main {
  width: 100%;
  height: 90dvb;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 5rem;
}

#audios{
    width: 60%;
    height: 50dvh;
  }

.btn_container {
  width: 60%;
  display: flex;
  justify-content: center;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.btn_container button {
  width: 8rem;
  height: 8rem;

  font-weight: 600;
  font-size: var(--font-size--sm);
  font-family: Arial, Helvetica, sans-serif;
  color: var(--color-white);

  background-color: var(--color-aqua);
  border-radius: 20px;
  border: none;
  outline: none;
  box-shadow: rgba(0, 0, 0, 0.17) 0px -23px 25px 0px inset,
    rgba(0, 0, 0, 0.15) 0px -36px 30px 0px inset,
    rgba(0, 0, 0, 0.1) 0px -79px 40px 0px inset, rgba(0, 0, 0, 0.06) 0px 2px 1px,
    rgba(0, 0, 0, 0.09) 0px 4px 2px, rgba(0, 0, 0, 0.09) 0px 8px 4px,
    rgba(0, 0, 0, 0.09) 0px 16px 8px, rgba(0, 0, 0, 0.09) 0px 32px 16px;
  transition: all 0.3s ease;

  cursor: pointer;
}

.btn_container .play-button:hover {
  scale: 1.1;
  box-shadow: 3px 13px 54px -8px var(--color-cyan);
}

.circle {
  display: none;
  width: 5rem;
  height: 5rem;
  margin-bottom: 4rem;
  color: var(--color-white);

  border-radius: 50%;
  background-color: var(--color-dark-blue);
  box-shadow: 0 0 1rem 1rem var(--color-dark-blue);
  animation: expand 12s ease-in-out infinite;
}

#inhaleText,
#exhaleText,
#holdText {
  opacity: 0;
  transition: opacity 0.4s ease;
}

@keyframes expand {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  33% {
    transform: scale(2);
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  66% {
    transform: scale(2);
  }
}

@keyframes showInhale {
  0%,
  33% {
    opacity: 1;
  }
  34%,
  100% {
    opacity: 0;
  }
}

@keyframes showHold {
  33%,
  66% {
    opacity: 1;
  }
  0%,
  32%,
  67%,
  100% {
    opacity: 0;
  }
}

@keyframes showExhale {
  66%,
  100% {
    opacity: 1; /* Mostrar exhale en la fase final */
  }
  0%,
  65% {
    opacity: 0; /* Ocultar exhale fuera de la fase final */
  }
}

#inhaleText {
  position: relative;
  top: 0rem;
  margin-top: 0.5rem;
  left: 0.5rem;
  animation: showInhale 12s ease-in-out infinite;
}

#holdText {
  position: relative;
  top: 0rem;
  margin-top: 0.5rem;
  right: 0.5rem;
  animation: showHold 12s ease-in-out infinite;
}

#exhaleText {
  position: relative;
  margin-top: 0.5rem;
  top: 0rem;
  right: 2.3rem;
  animation: showExhale 12s ease-in-out infinite;
}


/*Footer*/

footer {
  width: 100%;
  height: 10vh;
  text-align: center;
  transition: 0.5s;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

footer p {
  width: 100%;
  align-content: end;
  color: var(--color-white);
  margin: 0px 0px 0px 0px;
}

footer.active {
  background-color: var(--color-gray);
}


.social-links {
  margin: 12px 0px 0px 0px;
  list-style-type: none;
  display: flex;
  gap: 20px;
}

.social-links a {
  text-decoration: none;
  color: var(--color-white);
  font-size: var(--font-size-xsm);
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-links a:hover {
  color: var(--color-cyan);
}

/*Mobile view*/
@media (max-width: 339px) {
  .btn_container {
    width: 90%;
    gap: 1rem;
    padding-top: 0rem;
  }
  #audios {
    width: 90%;
    height: 50dvh;
}
  main {
    padding-top: 0rem;
  }

 

  .btn_container button {
    width: 6rem;
    height: 6rem;
  }

  footer {
    width: 100%;
    height: 10dvb;
    padding-top: 0rem;
  }

  footer p {
    width: 95%;
    height: 2vh;

    align-content: end;
    color: var(--color-white);

    margin: 16px 0px 0px 0px;
  }
  .headphonesIcon {
    width: 85%;
    height: 90%;
  }

  #inhaleText,
  #exhaleText,
  #holdText {
    top: 0rem;
  }

  #inhaleText {
    left: 0.3rem;
  }

  #exhaleText {
    right: 1.5rem;
  }

  .circle {
    display: none;
    width: 3rem;
    height: 3rem;
    margin-bottom: 2rem;
  }
}

@media (min-width: 340px) {
  .btn_container button {
    width: 6rem;
    height: 6rem;
  }

  .headphonesIcon {
    width: 80%;
    height: 15rem;
  }

  .btn_container {
    width: 60%;
    height: 20rem;
  }

  .circle {
    display: none;
    width: 3rem;
    height: 3rem;
  }

  footer {
    height: 20dvb;
    padding-top: 1rem;
  }
  footer p {
    height: 4vh;
  }

  #inhaleText,
  #exhaleText,
  #holdText {
    top: 0rem;
  }

  #inhaleText {
    left: 0.3rem;
  }

  #exhaleText {
    right: 1.5rem;
  }

   
}



@media (min-width: 675px) {
  .btn_container {
    width: 50%;
    height: 20rem;
  }

  .btn_container button {
    width: 6rem;
    height: 6rem;
  }

  .headphonesIcon {
    width: 40%;
    height: 80%;
  }

  footer {
    height: 10vh;
    padding-top: 0rem;
  }

  #inhaleText,
  #exhaleText,
  #holdText {
    top: 0.5rem;
  }
  .circle {
    display: none;
    width: 3rem;
    height: 3rem;
    margin-bottom: 2rem;
  }
}