body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}
.container {
    max-width: 900px;
    padding: 2rem;
}
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    /* transition: transform 0.3s ease; */
}
.card:hover {
    /* transform: translateY(-5px); */
}
.card-header {
    background: linear-gradient(135deg, #007bff, #00c4b4);
    color: white;
    border-radius: 15px 15px 0 0;
    font-weight: 600;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
}

.alert {
    border-radius: 10px;
    background-color: #e9f7ff;
    border: 1px solid #b8e1ff;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}
.alert.question-1 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512' fill='rgba(0,123,255,0.2)'%3E%3Cpath d='M224 256A128 128 0 1 0 224 0a128 128 0 1 0 0 256zm-45.7 48C79.8 304 0 383.8 0 482.3C0 498.7 13.3 512 29.7 512H418.3c16.4 0 29.7-13.3 29.7-29.7C448 383.8 368.2 304 269.7 304H178.3z'/%3E%3C/svg%3E");
    background-size: 60px 60px;
    background-position: bottom right;
    background-repeat: no-repeat;
}
.alert.question-2 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512' fill='rgba(0,123,255,0.2)'%3E%3Cpath d='M256 512A256 256 0 1 0 256 0a256 256 0 1 0 0 512zM169.8 165.3c7.9-22.3 29.1-37.3 52.8-37.3h58.3c34.9 0 63.1 28.3 63.1 63.1c0 22.6-12.1 43.5-31.7 54.8L280 264.4c-.2 13-10.9 23.6-24 23.6c-13.3 0-24-10.7-24-24V250.5c0-8.6 4.6-16.5 12.1-20.8l44.3-25.4c4.7-2.7 7.6-7.7 7.6-13.1c0-8.4-6.8-15.1-15.1-15.1H222.6c-3.4 0-6.4 2.1-7.5 5.3l-.4 1.2c-4.4 12.5-18.2 19-30.6 14.6s-19-18.2-14.6-30.6l.4-1.2zM224 352a32 32 0 1 1 64 0 32 32 0 1 1 -64 0z'/%3E%3C/svg%3E");
    background-size: 60px 60px;
    background-position: bottom right;
    background-repeat: no-repeat;
}
.alert.question-3, .alert.question-gba {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512' fill='rgba(0,123,255,0.2)'%3E%3Cpath d='M528 160l0 256c0 8.8-7.2 16-16 16l-192 0c0-44.2-35.8-80-80-80l-64 0c-44.2 0-80 35.8-80 80l-32 0c-8.8 0-16-7.2-16-16l0-256 480 0zM64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l448 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zM272 256a64 64 0 1 0 -128 0 64 64 0 1 0 128 0zm104-48c-13.3 0-24 10.7-24 24s10.7 24 24 24l80 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-80 0zm0 96c-13.3 0-24 10.7-24 24s10.7 24 24 24l80 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-80 0z'/%3E%3C/svg%3E");
    background-size: 60px 60px;
    background-position: bottom right;
    background-repeat: no-repeat;
}
.alert.question-4 {
    /* background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512' fill='rgba(0,123,255,0.2)'%3E%3Cpath d='M96 0C60.7 0 32 28.7 32 64V448c0 35.3 28.7 64 64 64H416c35.3 0 64-28.7 64-64V64c0-35.3-28.7-64-64-64H96zM208 288h64c44.2 0 80 35.8 80 80c0 8.8-7.2 16-16 16H144c-8.8 0-16-7.2-16-16c0-44.2 35.8-80 80-80zm96-96c0 35.3-28.7 64-64 64s-64-28.7-64-64s28.7-64 64-64s64 28.7 64 64z'/%3E%3C/svg%3E");
    background-size: 60px 60px;
    background-position: bottom right;
    background-repeat: no-repeat; */
    /* No background icon for Question 4 */
}
.alert.question-5 {
    /* No background icon for Question 5 */
}
.btn-toggle {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}
.btn-toggle input[type="radio"]:checked + label,
.btn-toggle input[type="checkbox"]:checked + label {
    background-color: #007bff;
    color: white;
    border-color: #0056b3;
}
.btn-toggle input[type="radio"] + label:hover,
.btn-toggle input[type="checkbox"] + label:hover {
    background-color: #e9ecef;
}
.btn-toggle input[type="radio"],
.btn-toggle input[type="checkbox"] {
    display: none;
}
.subjects {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
label.error {
    color: #dc3545;
    font-size: 0.9rem;
    /* display: none; */
    margin-top: 5px;
}
.tooltip-btn {
    cursor: pointer;
    color: #007bff;
    font-weight: bold;
    margin-left: 5px;
}
.tooltip-btn:hover {
    color: #0056b3;
}
.popup {
    /* display: none; */
    position: absolute;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    max-width: 250px;
}
.popup ul {
    margin: 0;
    padding-left: 20px;
}
.btn-primary {
    background-color: #007bff;
    border: none;
    /* padding: 10px 20px;
    border-radius: 8px; */
    transition: background-color 0.3s ease;
}
.btn-primary:hover {
    background-color: #0056b3;
}


.back2Top {
position: fixed;
bottom: 120px;
right: 20px;
width: 40px;
height: 40px;
border-radius: 100%;
text-align: center;
-webkit-box-shadow: 1px 1px 6px 5px #ccc;
-moz-box-shadow: 1px 1px 6px 5px #ccc;
box-shadow: 1px 1px 6px 5px #ccc;
color: #0B7159;
font-size: 20px;
padding-top: 5px;
background: white; }