@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro: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");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Be Vietnam Pro", sans-serif;
  scroll-behavior: smooth;
}
html {
	font-size: 62.5%:
}
body {
  background-image: url("https://softdreams.vn/wp-content/uploads/2024/09/5572419-scaled.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  height: 100vh;
}
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-image: url("https://softdreams.vn/wp-content/uploads/2024/09/5572419-scaled.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.5; /* Đặt độ mờ cho hình nền */
  z-index: -1; /* Đảm bảo nó nằm phía sau nội dung */
}
.container-form {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 100%;
}

#player-pairs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#player-pairs .pair input {
  padding: 6px;
  color: navy;
}
#player-form .button-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}
#player-form .button-nav button {
  border: none;
  padding: 6px;
  background: #222299;
}
#player-form .button-nav button:hover {
  background: navy;
}
.title {
  color: #fff;
  margin-bottom: 10px;
  font-size: 24px;
}
#result {
  margin-top: 20px;
  font-size: 20px;
}
.team-class {
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: capitalize;
}
.title-suffle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.title-suffle li {
  list-style: none;
  border: 1px solid #ccc;
  padding: 10px;
}

a {
  color: inherit;
}

a:hover {
  color: inherit;
  opacity: 0.8;
}
.active-title {
  background: #ff0000b0;
}
.remove-group {
  color: #000;
}