* {
    padding: 0px;
    margin: 0px;
}

body {
    font-family: "Poppins", sans-serif;
    background: linear-gradient(135deg, #aecfef 0%, #e4e3e3 100%);
    min-height: 100vh;
    padding: 40px 0;
    background-attachment: fixed;

}


form {
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    width: 90%;
    max-width: 800px;
    padding: 40px;
    border-radius: 20px;
    margin: 40px auto;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}


#formH2 {
    color: #31363d !important;
    font-size: 28px;
    font-weight: 700;
    margin-top: 30px;
    margin-bottom: 25px;
    border-left: 5px solid #1976d2;
    padding-left: 15px;
}

.input-text {
    background: rgba(255, 255, 255, 0.92);
    width: 100%;
    margin-top: 20px;
    margin-bottom: 20px;
    border: none;
    height: 30px;
    border-bottom: 2px solid rgb(91, 91, 91);
    transition: 0.3s;

}


.input-text:focus {
    outline: none;
    border-color: #1976d2;

    box-shadow:
        0 0 0 4px rgba(25, 118, 210, 0.15);
}


.opslaanknop {
    width: 100%;
    background-color: #1976d2;
    color: white;
    border: none;
    height: 30px;
    transition: 0.3s;
    cursor: pointer;
}

.opslaanknop {
    width: 100%;
    background-color: #1976d2;
    color: white;
    border: none;
    height: 30px;
    transition: 0.3s;
    cursor: pointer;
}
.opslaanknop:hover{
    transform: translateY(-5px);
    background-color: #0b4f94;
}

.verwijderknop {
    width: 100%;
    background-color: #cc4242;
    color: white;
    border: none;
    height: 30px;
    transition: 0.3s;
    cursor: pointer;
}
.verwijderknop:hover{
    transform: translateY(-5px);
    background-color: #940b0b;
}



.form-tekst {
    color: rgb(67, 67, 67);

}


.dropdown {
    position: relative;
    width: 100%;
}

/* de dropdown knop */
.dropdown .input {
    margin: 10px 0;
    text-align: left;
}

/* net als hamburger menu, dropdown menu standaard niet zichtbaar */

#dropdownMenu,
#courseMenu {
    opacity: 0;
    max-height: 0px;
    list-style: none;
    transition: 0.4s;
    pointer-events: none;
}

#dropdownMenu.visible,
#courseMenu.visible {
    opacity: 1;
    max-height: 500px;
    pointer-events: all;
}

#dropdownMenu li,
#courseMenu li {
    /* lage z index, zodat hij nergens boven komt terwijl hij onzichtbaar is */
    z-index: 0;
    transform: translateY(-5px);
    padding: 20px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.306);

    &:hover {
        background-color: rgb(237, 237, 237);
    }
}

#formH2 {
    color: #31363d !important;
    font-size: 28px;
    font-weight: 700;
    margin-top: 30px;
    margin-bottom: 25px;
    border-left: 5px solid #1976d2;
    padding-left: 15px;
}

#error {
    color: red !important;
    font-weight: 600;
}

.back-btn{
    cursor: pointer;
    background-color: rgb(140, 67, 67);
    color: white;
    padding: 10px;
    transition: 0.3s;
    margin: 20px;
}

.back-btn:hover{
    transform: scale(1.01);
    background-color: #691515;
}