:root {
    --qb-main-bg-color: #1d1e29;
    --qb-main-secondary-bg-color: #1e1e1e;
    --qb-main-border-color: #424242;
    --qb-main-text-color: white;
    --qb-main-box-shadow-color: black;
    --qb-main-secondary-box-shadow-color: #ffb605;
    --qb-main-item-active-bg-color: black;
    --qb-main-item-active-text-color: #ffb605;
    --qb-main-secondary-item-active-text-color: #ffbd1d;
    --qb-main-tab-menu-main-text-color: white;
    --qb-main-tab-menu-active-text-color: #ffb605;
    --qb-main-btn-focus-color: white;
}
/*
.question-bank-section.light-theme {
    --qb-main-bg-color: #cfe2ff;
    --qb-main-secondary-bg-color: whitesmoke;
    --qb-main-text-color: black;
    --qb-main-item-active-bg-color: #1b1464;
    --qb-main-item-active-text-color: white;
    --qb-main-tab-menu-main-text-color: black;
    --qb-main-tab-menu-active-text-color: #1b1464;
    --qb-main-box-shadow-color: #a9a5b3;
}*/

body.light-theme {
    --qb-main-bg-color: #cfe2ff;
    --qb-main-secondary-bg-color: whitesmoke;
    --qb-main-text-color: black;
    --qb-main-item-active-bg-color: #1b1464;
    --qb-main-item-active-text-color: white;
    --qb-main-tab-menu-main-text-color: black;
    --qb-main-tab-menu-active-text-color: #1b1464;
    --qb-main-box-shadow-color: #a9a5b3;
    --qb-main-secondary-box-shadow-color: #1b1464;
    --qb-main-btn-focus-color: black;
}

.question-bank-section {
    background-color: var(--qb-main-bg-color);
    position: relative;
    z-index: 0;
    transition: 0.5s all;
}

.card-accordion {
    margin-bottom: 1rem;
    background-color: var(--qb-main-secondary-bg-color);
    color: var(--qb-main-text-color);
    overflow: hidden;
    border-radius: .5rem;
    border: 1px solid var(--qb-main-border-color);
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
}

.card-accordion-header {
    display: flex;
    position: relative;
}

.card-accordion-title {
    padding: 1rem;
    display: block;
    align-items: center;
    flex-grow: 1;
    transition: 0.5s all;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 2rem;
    color: var(--qb-main-text-color);
    font-size: 1.2rem;
}

.card-accordion-button {
    padding: 1rem;
    color: var(--qb-main-text-color);
    flex-shrink: 0;
    background-color: transparent;
    cursor: pointer;
    border: none;
    border-inline-start: 1px solid var(--qb-main-border-color);
    transition: 0.5s all;
}

    .card-accordion-button:not([aria-expanded=true]):hover {
        background-color: var(--qb-main-item-active-bg-color);
    }

        .card-accordion-button:not([aria-expanded=true]):hover i {
            transform: scale(1.2);
            color: var(--qb-main-item-active-text-color);
        }

    .card-accordion-button[aria-expanded=true] {
        color: var(--qb-main-item-active-text-color);
        background-color: var(--qb-main-item-active-bg-color);
    }

    .card-accordion-button i {
        font-size: 1.5rem;
        transition: .5s ease-in-out;
    }

    .card-accordion-button[aria-expanded=true] i {
        transform: rotate(-180deg);
    }

.card-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease-out;
    border-block-start: 1px solid var(--qb-main-border-color);
}

    .card-accordion-content.active {
        max-height: 500px;
        overflow-y: auto;
    }

.chapter-nav-wrapper {
    padding: 1rem;
}

.chapter-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    border-radius: .5rem;
    background-color: var(--qb-main-bg-color);
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
}

.chapter-nav-item {
    padding: 1rem .8rem;
    transition: 0.5s all;
    font-size: 1.25rem;
    font-weight: 500;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

    .chapter-nav-item.active {
        background-color: var(--qb-main-item-active-bg-color);
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        color: var(--qb-main-item-active-text-color);
    }

    .chapter-nav-item:first-child.active {
        border-top-right-radius: .5rem;
        border-top-left-radius: .5rem;
    }

    .chapter-nav-item:last-child.active {
        border-bottom-left-radius: .5rem;
        border-bottom-right-radius: .5rem;
    }

    .chapter-nav-item:not(.active):first-child:hover {
        border-top-right-radius: .5rem;
        border-top-left-radius: .5rem;
    }

    .chapter-nav-item:not(.active):last-child:hover {
        border-bottom-left-radius: .5rem;
        border-bottom-right-radius: .5rem;
    }

    .chapter-nav-item:not(.active):hover {
        cursor: pointer;
        padding-left: 2rem;
        background-color: var(--qb-main-item-active-bg-color);
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        color: var(--qb-main-item-active-text-color);
    }

.questions-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1rem;
    border-radius: .5rem;
    border: 1px solid var(--qb-main-border-color);
    background-color: var(--qb-main-secondary-bg-color);
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
}

.questions-container-title {
    color: var(--qb-main-text-color);
    border-bottom: 1px solid var(--qb-main-border-color);
}

/*.questions-container-title .h1, .h2, .h3, .h4, .h5, .h6 {
        color: var(--qb-main-text-color);
    }*/

.level-container {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--qb-main-border-color);
}

.level-nav-wrapper {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
}

.level-nav-item {
    flex: 1 1;
    transition: 0.5s all;
}

    .level-nav-item.active {
        border-bottom: 2px solid var(--qb-main-tab-menu-active-text-color);
    }

        .level-nav-item.active button {
            color: var(--qb-main-tab-menu-active-text-color);
        }

            .level-nav-item.active button:hover {
                cursor: default;
            }

    .level-nav-item:not(.active):hover {
        border-bottom: 2px solid var(--qb-main-tab-menu-active-text-color);
    }

        .level-nav-item:not(.active):hover button {
            color: var(--qb-main-tab-menu-active-text-color);
            transform: scale(1.2);
        }

    .level-nav-item button {
        height: 100%;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 1rem;
        background-color: transparent;
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--qb-main-tab-menu-main-text-color);
        border: none;
        text-transform: capitalize;
        transition: 0.5s all;
    }

.question-nav-container {
    transition: 0.6s all;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
}

.question-nav-button {
    width: 3rem;
    height: 3rem;
    padding: 1rem;
    background-color: var(--qb-main-bg-color);
    border-radius: .5rem;
    height: 3rem;
    width: 3rem;
    border: 1px solid var(--qb-main-border-color);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    transition: 0.5s all;
    position: relative;
    font-weight: 500;
    color: var(--qb-main-text-color);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
}

    .question-nav-button.active {
        background-color: var(--qb-main-item-active-bg-color);
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        color: var(--qb-main-item-active-text-color);
        cursor: default;
    }

    .question-nav-button:not(.active):hover {
        background-color: var(--qb-main-item-active-bg-color);
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        color: var(--qb-main-item-active-text-color);
    }

.question-card {
    padding: 1rem;
    background-color: var(--qb-main-bg-color);
    border: 1px solid var(--qb-main-border-color);
    border-radius: .5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
}

.question-card-header {
    border-bottom: 1px solid var(--qb-main-border-color);
    justify-content: space-between;
    display: flex;
    flex-direction: row;
    align-items: center;
    color: white;
}

.question-card-title {
    margin: 0;
    color: var(--qb-main-text-color);
}

.qb-headers {
    margin: 0;
    color: var(--qb-main-text-color);
}

.feedback-content {
    padding: 1.5rem;
    margin-top: 3rem;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--qb-main-text-color);
    background-color: var(--qb-main-secondary-bg-color);
    border: 1px solid var(--qb-main-border-color);
    border-radius: .5rem;
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
    text-align: center;
}

    .feedback-content p {
        margin-bottom: 0;
    }

    .feedback-content a {
        font-weight: 700;
        color: #fff;
        background-color: #1b1464;
        border-color: #1b1464;
        border-radius: .5rem;
        transition: 0.5s all;
        padding: .5rem;
        box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
    }

        .feedback-content a:hover {
            color: var(--qb-main-secondary-item-active-text-color);
            box-shadow: 0 0 18px #1b1464;
            color: #1b1464 !important;
            background-color: #ffb605;
            border-color: #ffb605 !important;
        }

.question-card-header .q-card-header-right {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.question-card-header .q-card-header-right-item {
    padding: 1rem;
    border-left: 1px solid var(--qb-main-border-color);
    color: var(--qb-main-text-color);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: capitalize;
}

.question-card-body {
    display: grid;
    gap: 1rem;
    justify-content: center;
}

.question-image {
    border-radius: .5rem;
    max-width: 100%;
    height: auto;
    transition: 0.5s all;
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
    user-select: none;
}

    .question-image:hover {
        cursor: zoom-in;
        transform: scale(1.025);
        box-shadow: 0px 4px 30px var(--qb-main-secondary-box-shadow-color);
    }

.question-card-footer {
    display: flex;
    flex-direction: row;
    padding-top: 1rem;
    border-top: 1px solid var(--qb-main-border-color);
}

.btn-show-q-answer {
    border: 1px solid var(--qb-main-border-color);
    height: auto;
    width: auto;
    margin-left: auto;
    border-radius: .5rem;
    font-size: 1.2rem;
    font-weight: 500;
    transition: 0.5s all;
    box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
    color: var(--qb-main-text-color);
    background-color: var(--qb-main-secondary-bg-color);
}

    .btn-show-q-answer:hover {
        background-color: var(--qb-main-item-active-bg-color);
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        color: var(--qb-main-item-active-text-color);
    }

.q-answer-text {
    margin: 0;
    color: var(--qb-main-text-color);
    font-size: 1.2rem;
    font-weight: 400;
    align-content: center;
}

.questions-nav-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--qb-main-border-color);
    padding-top: 1rem;
}

.bottom-question-nav-btn {
    display: flex;
    align-items: center;
    flex-direction: row;
    gap: 1rem;
    background-color: transparent;
    border-style: solid;
    border-color: var(--qb-main-secondary-bg-color);
    border-width: 1px;
    font-size: 1.2rem;
    font-weight: 500;
    transition: 0.5s all;
    border-radius: .5rem;
    color: var(--qb-main-text-color);
}

    .bottom-question-nav-btn:focus {
        color: var(--qb-main-btn-focus-color);
    }

    .bottom-question-nav-btn.disabled {
        border-color: var(--qb-main-secondary-bg-color);
    }

    .bottom-question-nav-btn i {
        filter: drop-shadow(2px 4px 6px black);
        color: var(--qb-main-item-active-text-color);
        transition: 0.5s all;
    }

    .bottom-question-nav-btn:hover {
        background-color: var(--qb-main-item-active-bg-color);
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        color: var(--qb-main-item-active-text-color);
        box-shadow: 0px 4px 30px var(--qb-main-box-shadow-color);
        border-color: var(--qb-main-border-color);
    }

        .bottom-question-nav-btn:hover i {
            text-shadow: 0px 0px 10px var(--qb-main-secondary-item-active-text-color);
            -webkit-filter: brightness(120%);
            color: #1e0f78;
        }

    .bottom-question-nav-btn:first-child {
        padding-left: 0;
    }

        .bottom-question-nav-btn:first-child:hover {
            padding-left: 1rem;
        }

    .bottom-question-nav-btn:last-child {
        padding-right: 0;
    }

        .bottom-question-nav-btn:last-child:hover {
            padding-right: 1rem;
        }


.btn-switch-theme {
    border-color: white;
    padding: 1rem;
    border-radius: .5rem;
    background-color: transparent;
    transition: -webkit-filter 0.5s ease, filter 0.5s ease;
}

    .btn-switch-theme.dark {
        background-color: black;
    }

    .btn-switch-theme:hover.light {
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        box-shadow: 0 0px 10px #D4AF37;
        border-color: #D4AF37;
    }

        .btn-switch-theme:hover.light .switch-theme-icon {
            color: #D4AF37;
        }

    .btn-switch-theme:hover.dark {
        text-shadow: 0px 0px 10px;
        -webkit-filter: brightness(115%);
        box-shadow: 0 0px 10px white;
        border-color: white;
    }



    .btn-switch-theme .switch-theme-icon {
        filter: drop-shadow(2px 4px 6px black);
        color: white;
    }

.answers-modal-content {
    background-color: var(--qb-main-secondary-bg-color);
    box-shadow: 0 0px 10px #1b1464;
}

    .answers-modal-content .modal-body {
        max-height: 75vh;
        overflow-y: auto;
    }

.answer-images-wrapper {
    display: grid;
    gap: 1rem;
    align-content: center;
    justify-items: center;
}

    .answer-images-wrapper img {
        border-radius: .5rem;
        box-shadow: 0 0px 10px #1b1464;
        user-select: none;
    }

.mc-answer-content {
    padding-top: 1rem;
    padding-bottom: 1rem;
    color: var(--qb-main-text-color);
    border-bottom: 2px solid var(--qb-main-border-color);
    font-size: 1.5rem;
    font-weight: 500;
    width: 100%;
    text-align: center;
}

.qb-main-scrollbar {
    overflow-y: scroll;
    scrollbar-width: thin;
    scrollbar-color: var(--qb-main-item-active-text-color) var(--qb-main-item-active-bg-color);
}

    .qb-main-scrollbar::-webkit-scrollbar {
        width: 8px;
    }

    .qb-main-scrollbar::-webkit-scrollbar-thumb {
        background-color: var(--qb-main-item-active-text-color);
        border-radius: 10px;
    }

    .qb-main-scrollbar::-webkit-scrollbar-track {
        background-color: var(--qb-main-item-active-bg-color);
    }

@media screen and (max-width: 575px) {
    .bottom-question-nav-btn {
        font-size: 1rem;
        gap: 0.8rem;
        padding: 8px 16px;
    }

        .bottom-question-nav-btn i {
            font-size: 1.5rem;
        }

    .btn-switch-theme {
        padding: .75rem;
    }

        .btn-switch-theme i {
            font-size: 2rem;
        }

    .q-card-header-right-item {
        font-size: .9rem !important;
        padding: 8px 16px !important;
    }

    .btn-show-q-answer {
        padding: 8px 16px;
        font-size: 1rem;
    }

    .chapter-nav-item {
        font-size: 1rem;
    }
}