body {
    font-family: Arial, sans-serif;
    background: #f0f2f5;
    margin: 0;
    padding: 0;
    color: black;
}

.main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 2rem;
}

.form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    width: 350px;
    text-align: center;
}

.home-logo {margin-bottom: 40px;}
.home-logo img {
    width: 300px;
    max-width: 100%;
}

h2 {
    color: #333;
    margin-bottom: 1.5rem;
}

input[type="text"], input[type="file"], input[type="number"] {
    width: 80%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button, .test-link.test-completed  {
    background: #ffc000;
    color: #000b33;
    font-style: normal;
    font-weight: 600;
    letter-spacing: .12px;
    line-height: 24px;
    cursor: pointer;
        -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    border: unset;
    border-radius: 8px;
    cursor: pointer;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: row;
    flex-direction: row;
    font-family: avenir-heavy, Arial, sans-serif;
    height: 3pc;
    justify-content: center;
    min-width: 230px;
    padding: 9pt 1pc;
    text-align: center;
    text-decoration: unset;
    margin: auto;
}

button:hover, .test-link.test-completed:hover {
    background: #ffd65c;
    border: 1px solid #ffd65c;
    -webkit-transition: all .3s ease;
    transition: all .3s ease;
}

.test-option {
    display: block;
    background-color: #4CAF50;
    color: white;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.test-option:hover {
    background-color: #45a049;
}

.test-list {
    list-style: none;
    padding: 0;
}

.test-list li {
    margin: 10px 0;
}

.test-link:not(.test-completed) {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid rgb(4, 69, 153);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    max-width: 306px;
    width: 100%;
    text-align: center;
    font-size: 1.2em;
    color: black;
}

.test-link:not(.test-completed):hover {
    background-color: rgb(4, 69, 153);
    color: white;
}

.flash-message {
    padding: 10px 15px;
    margin: 10px 0;
    border-radius: 4px;
    color: #fff;
    position: absolute;
    font-weight: bold;
    top: 40px;
}

.flash-success {
    background-color: #28a745;
}

.flash-error {
    background-color: #dc3545;
}

.flash-warning {
    background-color: #ffc107;
    color: #000;
}

.go-back {
    text-decoration: none;
    color: #000;
}

.go-back:hover {
    margin-left: -10px;
}