@import url("https://fonts.googleapis.com/css2?family=Spline+Sans+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

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

body {
  /* font */
  font-family: "Spline Sans Mono", monospace;
  font-size: 60px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  overflow: hidden;
  height: 100vh;

  margin: 0;

  /* colors */
  background-color: #161921;
  color: #fff;
}

#thetimer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  height: 100vh;

  overflow: hidden;
  visibility: hidden;

  margin: 0;
}

#countdown {
  font-size: 55px;
  font-weight: 400;
  opacity: 50%;
}

#progressbar {
  height: 345px;
  width: 345px;
  background-color: #272b32;
  border-radius: 50%;

  position: absolute;
  z-index: -2;
}

#cover {
  height: 326px;
  width: 326px;
  background-color: #161921;
  border-radius: 50%;

  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.wave {
  height: 288px;
  width: 288px;
  background-color: #272b32;
  border-radius: 50%;
  overflow: hidden;

  position: absolute;

  z-index: -1;
}

svg {
  width: 1152px;
  height: 505px;

  position: absolute;
  top: 144px;
  animation: moveright 4s linear infinite;
}

@keyframes moveright {
  from {
    left: 0px;
  }
  to {
    left: -288px;
  }
}

#inputs {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  height: 100%;

  position: absolute;
  top: 71px;
}

#inputs h1 {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 500;
  font-size: 35px;
  line-height: 52px;

  display: flex;
  align-items: center;
  letter-spacing: -0.03em;

  color: #ffffff;
  margin-bottom: 172px;
}

#inputs p {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 500;
  font-size: 60px;
  line-height: 90px;
  color: rgba(255, 255, 255, 0.5);
  margin: 11px;
}

.inputs-group {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

input {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0px 7px;

  font-family: "Spline Sans Mono";
  font-style: normal;
  font-weight: 500;
  font-size: 60px;

  width: 90px;
  height: 90px;

  background: #161921;
  border: 3px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  color: white;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

::placeholder {
  color: white;
  opacity: 1;
}

#startBtn {
  position: absolute;
  bottom: 10%;

  width: 95px;
  height: 95px;

  border-radius: 100%;
  border-style: none;

  background: #6fcf97;
  color: white;

  font-size: 40px;
}

#stopBtn {
    position: absolute;
    bottom: 10%;
    visibility: hidden;
  
    width: 95px;
    height: 95px;
  
    border-radius: 100%;
    border-style: none;
  
    background: #272B32;
    color: white;
  
    font-size: 40px;
  }