@import url('https://fonts.googleapis.com/css2?family=Prompt: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');
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: "Prompt","serif";
}

body {
    background-color: #DEDEDE;
}

header {
    width: 100vw;
    height: 100px;
    text-align: center;
    align-content: end;
}
header h2 {
    font-weight: 500;
    font-size: 26px;
}

main {
    display: flex;
    flex-direction: column;
    width: 100vw;
    justify-content: center;
    align-items: center;
}

.container {
    width: 500px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    color: black;
    background-color: white;
    padding: 30px 50px;
    margin-top: 1rem;
    border-radius: 20px;
}

.form-register {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.form-register h1 {
    font-size: 26px;
    font-weight: 400;
    margin-bottom: 10px;
    text-align: center;
}

.form-register h3 {
    margin-top: 2rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 10px;
}

.inputbox {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
}

.inputbox input {
    width: 100%;
    padding: 10px;
    border: 1px solid gray;
    border-radius: 5px;
    outline: none;
    font-size: 18px;
}

.inputbox input:focus {
    border: 2px solid #BB0FCB;
}

.inputbox span {
    position: absolute;
    left: 0;
    padding: 10px;
    font-size: 18px;
    transition: 0.5s;
    color: gray;
    pointer-events: none;
}

.inputbox input:valid~span,
.inputbox input:focus~span,
.inputbox input.has-value~span {
    color: #BB0FCB;
    transform: translateX(11px) translateY(-13px);
    padding: 0 10px;
    font-size: 16px;
    background: white; 
}

.inputbox input:valid,
.inputbox input:focus {
    border: 2px solid #BB0FCB;
}

.inputbox select {
    background-color: white;
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid gray;
    border-radius: 5px;
    outline: none;
    transition: border-color 0.3s ease;
}

.inputbox select:focus {
    border: 2px solid #BB0FCB;
    /* เพิ่มสีเมื่อโฟกัส */
}

.box-button {
    margin-top: 2rem;
    & span {
        font-weight: 300;
    }

    & a {
        color: #329BE5;
    }

    & button {
        margin-top: 5px;
        width: 100%;
        padding: 10px;
        border: none;
        border-radius: 5px;
        background: #BB0FCB;
        color: white;
        font-size: 18px;
        cursor: pointer;
        transition: 0.3s;
        margin-top: 1rem;
    }
}

.link-login {
    display: flex;
    align-items: center;
    margin-top: 2rem;
    text-align: center;
    margin-bottom: 5rem;
    gap: 5px;
    color: #329BE5;
}


.btn-login {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 1rem;

    & a {
        color: #329BE5;
    }
}

/* Mobile เล็กมาก */
@media (max-width: 480px) {
    .container {
        width: 100%;
        padding: 1rem;
    }
  }