.practiceProblemsBody {
    background: #f6f7fb;
}

.practiceProblemsMain {
    min-height: calc(100vh - var(--course-outline-header-height, 0px));
}

.practiceProblemsShell {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
    padding: 36px 0 56px;
}

.practiceProblemsCard {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.practiceProblemsEyebrow {
    margin: 0 0 6px;
    color: #4b5563;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.practiceProblemsHeroTitle {
    margin: 0;
    color: #111827;
    font-size: 2rem;
    line-height: 1.1;
}

.practiceProblemsHeroDescription {
    max-width: 760px;
    margin: 12px 0 0;
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.5;
}

.practiceProblemsCard {
    background: #ffffff;
    overflow: hidden;
}

.practiceProblemsTopPanel {
    padding: 34px 30px 22px;
    border-bottom: 1px solid #e5e7eb;
    background: #fafafa;
}

.practiceProblemsTabsSection {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 20px;
}

.practiceProblemsTabsGroup {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.practiceProblemsTabs {
    display: flex;
    flex: 1 1 auto;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
    overflow-x: auto;
}

.practiceProblemsTab {
    box-sizing: border-box;
    min-width: 48px;
    padding: 8px 14px;
    border: 1px solid #d6deea;
    border-bottom: 3px solid #d6deea;
    border-radius: 4px;
    background: #f1f1f147;
    color: #545454;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
}

.practiceProblemsTab:hover,
.practiceProblemsTab:focus,
.practiceProblemsTab:active {
    border-style: solid;
    border-width: 1px 1px 3px;
    font-size: 0.9rem;
}

.practiceProblemsTabActive,
.practiceProblemsTabActive:hover,
.practiceProblemsTabActive:focus,
.practiceProblemsTabActive:active {
    border-color: black;
    border-bottom-color: black;
    font-size: 0.9rem;
}

#practiceProblemsActiveProblemLabel {
    margin: 0;
    color: #4b5563;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

#practiceProblemsOpenProblemLink {
    box-sizing: border-box;
    flex: 0 0 auto;
    padding: 9px 13px;
    border: 1px solid #111827;
    border-radius: 8px;
    background: #111827;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 800;
    line-height: normal;
    text-decoration: none;
    white-space: nowrap;
    outline: 2px solid transparent;
    outline-offset: 2px;
}

#practiceProblemsOpenProblemLink:hover,
#practiceProblemsOpenProblemLink:focus {
    border: 1px solid #111827;
    background: #ffffff;
    color: #111827;
}

.practiceProblemsIframeShell {
    height: 760px;
    background: #ffffff;
}

#practiceProblemsIframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

@media (max-width: 700px) {
    .practiceProblemsShell {
        width: min(100% - 24px, 1180px);
        padding: 20px 0 40px;
    }

    .practiceProblemsTopPanel {
        padding: 20px;
    }

    .practiceProblemsHeroTitle {
        font-size: 1.6rem;
    }

    .practiceProblemsTabsSection {
        display: grid;
        align-items: stretch;
        gap: 12px;
    }

    .practiceProblemsTabs {
        flex: 1 1 auto;
    }

    #practiceProblemsOpenProblemLink {
        display: inline-flex;
        align-items: center;
    }

    .practiceProblemsIframeShell {
        height: 720px;
    }
}

@media screen and (min-width: 1000px) {
    .practiceProblemsBody[data-course-outline-state='expanded'] .practiceProblemsMain {
        padding-right: calc(var(--course-outline-reserved-width) + 20px);
    }
}