@import url("https://fonts.googleapis.com/css2?family=Quicksand:wght@300&display=swap");

* {
  margin: 0;
  box-sizing: border-box;
  font-family: "Quicksand", sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  /* background: #111; */
  width: 100%;
  overflow: hidden;
}

.ring {
  position: relative;
  width: 500px;
  height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ring i {
  position: absolute;
  inset: 0;
  border: 2px solid #fff;
  transition: 0.5s;
}

.ring i:nth-child(1) {
  border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%;
  animation: animate 6s linear infinite;
}

.ring i:nth-child(2) {
  border-radius: 41% 44% 56% 59%/38% 62% 63% 37%;
  animation: animate 4s linear infinite;
}

.ring i:nth-child(3) {
  border-radius: 41% 44% 56% 59%/38% 62% 63% 37%;
  animation: animate2 10s linear infinite;
}

.ring:hover i {
  border: 6px solid var(--clr);
  filter: drop-shadow(0 0 20px var(--clr));
}

@keyframes animate {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes animate2 {
  0% {
    transform: rotate(360deg);
  }

  100% {
    transform: rotate(0deg);
  }
}

.login {
  position: absolute;
  width: 300px;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 50px;
}

.login h2 {
  font-size: 2em;
  color: #fff;
}

.login .inputBx {
  position: relative;
  width: 100%;
}

.login .inputBx input {
  position: relative;
  width: 100%;
  padding: 20px;
  /* background: transparent; */
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid #fff;
  border-radius: 40px;
  font-size: 1.2em;
  color: #fff;
  box-shadow: none;
  outline: none;
  margin: 3px;
}

.login .inputBx input[type="submit"] {
  width: 100%;
  background: #0078ff;
  background: linear-gradient(45deg, #290cff, #4180ff);
  border: none;
  cursor: pointer;
}

.login .inputBx input::placeholder {
  color: rgba(255, 255, 255, 0.75);
}

.login .links {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.login .links a {
  color: #fff;
  text-decoration: none;
}

.video-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: -2;
}

.video-background iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300vw;
  /* 가로 3배 확대 */
  height: 168.75vw;
  /* 16:9 비율 유지 */
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  z-index: -1;
}