.simulation-container {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    padding: 20px 0;
}

.simulation-container .simulation-sidebar {
    width: 300px;
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #eee;
    position: sticky;
    top: 20px;
}

.simulation-container .simulation-sidebar .sidebar-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.simulation-container .simulation-sidebar .question-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}

.simulation-container .simulation-sidebar .question-nav-grid .menu-slide__item {
    aspect-ratio: 1/1;
    border: 1px solid #e0e0e0;
    background: #fdfdfd;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.simulation-container .simulation-sidebar .question-nav-grid .menu-slide__item.is-active {
    background: #2196f3;
    color: #fff;
    border-color: #2196f3;
    box-shadow: 0 4px 10px rgba(33, 150, 243, 0.3);
}

.simulation-container .simulation-sidebar .question-nav-grid .menu-slide__item.is-done {
    background: #4caf50;
    color: #fff;
    border-color: #4caf50;
}

.simulation-container .simulation-sidebar .simulation-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.simulation-container .simulation-sidebar .simulation-actions .actions__btn{
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    letter-spacing: 0.7px;
    line-height: 1.2;
    box-shadow: 0 0 0 0 #020710;
    text-align: center;
    color: #fff;
    font-weight: 700;
}

.simulation-container .simulation-sidebar .simulation-actions .btn-submit {
    background: #28a745;
    padding: 12px 22px;
    text-transform: uppercase;
}

.simulation-container .simulation-sidebar .simulation-actions .btn-cancel {
    background: transparent;
    padding: 8px 16px;
    background: #dc3545;
}

.simulation-container .simulation-main {
    flex: 1;
    min-width: 0;
}

.simulation-container .simulation-main .simulation_swiper {
    width: 100%;
}

.simulation-container .simulation-main .swiper-slide {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #eee;
    min-height: 450px;
}

.simulation-container .simulation-main .swiper-slide .question-header {
    color: #2196f3;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 10px;
    display: block;
}

.simulation-container .simulation-main .swiper-slide .question-title {
    font-size: 22px;
    line-height: 1.4;
    color: #2c3e50;
    margin-bottom: 30px;
}

.simulation-container .simulation-main .swiper-slide .answers-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.simulation-container .simulation-main .swiper-slide .answers-group .answer-label {
    display: flex;
    align-items: center;
    padding: 18px 25px;
    border: 1px solid #f0f0f0;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.simulation-container .simulation-main .swiper-slide .answers-group .answer-label:hover {
    background: #f8fbff;
    border-color: #d0e8ff;
}

.simulation-container .simulation-main .swiper-slide .answers-group .answer-label:has(input:checked) {
    background: #e3f2fd;
    border-color: #2196f3;
}

.simulation-container .simulation-main .swiper-slide .answers-group .answer-label .answer-text strong {
    margin-right: 15px;
    color: #2196f3;
}

.simulation-container .simulation-main .swiper-nav-wrapper {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
}

.simulation-container .simulation-main .swiper-nav-wrapper div[class^="swiper-button"] {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    background: #333;
    color: #fff;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.simulation-container .simulation-main .swiper-nav-wrapper div[class^="swiper-button"]::after {
    display: none;
}
/* // CSS */
.simulation_swiper.swiper-autoheight{
    overflow: hidden;
}

.question-navigation-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5 câu mỗi hàng */
    gap: 10px;
    margin-bottom: 20px;
}

.menu-slide__item {
    width: 35px;
    height: 35px;
    border: 1px solid #ddd;
    background: #fff;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.menu-slide__item.is-active {
    background: #2196f3;
    color: #fff;
    border-color: #2196f3;
}

/* Slide bài thi */
.swiper-slide {
    padding: 20px;
    background: #fdfdfd;
    border: 1px solid #eee;
    border-radius: 8px;
}

label.answer-label input[type="radio"]{
    display: none;
}