.results {
    display: grid;
    gap: var(--space-6);
    padding-top: var(--space-3);
}

.scoreboard {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-5) 40px;
    padding: var(--space-6) 40px;
}

.grade {
    position: relative;
    display: grid;
    place-items: center;
    width: 180px;
    height: 180px;
}

.grade-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.grade-ring circle {
    fill: none;
    stroke-width: 10;
}

.grade-track {
    stroke: var(--paper-deep);
}

.grade-value-ring {
    stroke: var(--ink-faint);
    stroke-linecap: round;
    stroke-dasharray: 0 100;
    transition: stroke-dasharray 900ms var(--ease-out);
}

.grade.good .grade-value-ring {
    stroke: var(--good);
}

.grade.mid .grade-value-ring {
    stroke: var(--warn);
}

.grade.low .grade-value-ring {
    stroke: var(--bad);
}

.grade-center {
    display: grid;
    justify-items: center;
    line-height: 1;
}

.grade-center strong {
    font-family: var(--font-display);
    font-size: 3.4rem;
    font-weight: 800;
    letter-spacing: -.04em;
    font-variant-numeric: tabular-nums;
}

.grade-center span {
    margin-top: 6px;
    color: var(--ink-faint);
    font-size: .85rem;
}

.score-details {
    display: grid;
    align-content: center;
    gap: var(--space-3);
}

.score-details h1 {
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    text-wrap: balance;
}

.grade-note {
    color: var(--ink-soft);
}

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3) var(--space-6);
    margin-top: var(--space-2);
}

.stats div {
    display: grid;
    gap: 2px;
}

.stats dt {
    color: var(--ink-faint);
    font-size: .8rem;
}

.stats dd {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.answer-map {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: var(--space-2);
}

.answer-map a {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-s);
    font-size: .8rem;
    font-weight: 700;
    text-decoration: none;
    font-variant-numeric: tabular-nums;
    transition: transform var(--duration-fast) ease;
}

.answer-map a:hover {
    transform: translateY(-2px);
}

.answer-map .correct,
.review-status.correct {
    background: var(--good-soft);
    color: var(--good);
}

.answer-map .partial,
.review-status.partial {
    background: var(--warn-soft);
    color: var(--warn);
}

.answer-map .wrong,
.review-status.wrong {
    background: var(--bad-soft);
    color: var(--bad);
}

.answer-map .blank,
.review-status.blank {
    background: var(--paper-deep);
    color: var(--ink-faint);
}

.answer-map .pending,
.review-status.pending {
    background: var(--surface-sunk);
    color: var(--ink-faint);
    outline: 1px dashed var(--line-strong);
}

.results-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: var(--space-5);
    border-top: 1px solid var(--line);
}

.study {
    padding: var(--space-6) 40px 36px;
}

.study h2,
.review h2 {
    font-size: 1.6rem;
}

.study-summary {
    max-width: 72ch;
    margin-top: var(--space-3);
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.study-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.study-columns > div {
    padding: 20px 22px;
    border-radius: var(--radius-m);
}

.study-strengths {
    background: var(--good-soft);
}

.study-gaps {
    background: var(--bad-soft);
}

.study h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: 10px;
    font-size: 1rem;
}

.study h3 i {
    font-weight: 400;
    font-size: 1.15rem;
}

.study-strengths h3 i {
    color: var(--good);
}

.study-gaps h3 i {
    color: var(--bad);
}

.study ul {
    display: grid;
    gap: var(--space-2);
    padding-left: 1.2em;
}

.study-tips {
    margin-top: 28px;
}

.study-tips h3 i {
    color: var(--warn);
}

.study-tips ol {
    display: grid;
    gap: var(--space-3);
    list-style: none;
    counter-reset: tip;
}

.study-tips li {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: var(--space-3);
    counter-increment: tip;
}

.study-tips li::before {
    content: counter(tip);
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--marker);
    color: var(--ink);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .85rem;
}

.study-tips li .markdown {
    padding-top: 2px;
}

.study-pending {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
    color: var(--ink-soft);
}

.study-pending .writing {
    width: 64px;
    margin: 0;
    padding: 10px;
    gap: 5px;
}

.study-pending .writing span {
    height: 5px;
}

.study-error {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.review {
    display: grid;
    gap: var(--space-4);
}

#review-list {
    display: grid;
    gap: var(--space-3);
}

.review-item {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: var(--surface);
    box-shadow: var(--shadow-card);
    scroll-margin-top: var(--space-5);
}

.review-item summary {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 14px;
    align-items: center;
    padding: 18px 22px;
    cursor: pointer;
    list-style: none;
    transition: background var(--duration-fast) ease;
}

.review-item summary::-webkit-details-marker {
    display: none;
}

.review-item summary:hover {
    background: var(--surface-sunk);
}

.review-number {
    display: grid;
    place-items: center;
    min-width: 32px;
    height: 32px;
    border-radius: var(--radius-s);
    background: var(--paper-deep);
    font-family: var(--font-display);
    font-weight: 700;
}

.review-excerpt {
    overflow: hidden;
    color: var(--ink-soft);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.review-status {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 700;
    white-space: nowrap;
}

.review-chevron {
    color: var(--ink-faint);
    font-size: 1.2rem;
    transition: transform var(--duration-base) var(--ease-out);
}

.review-item[open] .review-chevron {
    transform: rotate(180deg);
}

.review-body {
    display: grid;
    gap: var(--space-5);
    padding: var(--space-2) 22px var(--space-5);
    border-top: 1px solid var(--line);
}

.review-body .statement {
    padding-top: var(--space-4);
}

.review-option {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto;
    gap: var(--space-3);
    align-items: start;
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
}

.review-option .option-letter {
    width: 30px;
    height: 30px;
}

.review-option .markdown {
    padding-top: 3px;
}

.review-option-tag {
    padding-top: 5px;
    font-size: .8rem;
    font-weight: 700;
    white-space: nowrap;
}

.review-option.is-correct {
    border-color: var(--good);
    background: var(--good-soft);
}

.review-option.is-correct .option-letter {
    border-color: var(--good);
    background: var(--good);
    color: var(--surface);
}

.review-option.is-correct .review-option-tag {
    color: var(--good);
}

.review-option.is-wrong {
    border-color: var(--bad);
    background: var(--bad-soft);
}

.review-option.is-wrong .option-letter {
    border-color: var(--bad);
    background: var(--bad);
    color: var(--surface);
}

.review-option.is-wrong .review-option-tag {
    color: var(--bad);
}

.review-block {
    display: grid;
    gap: var(--space-2);
    padding: var(--space-4) 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
}

.review-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--ink-soft);
    font-size: .85rem;
    font-weight: 700;
}

.review-block.answer {
    border-color: #cfe5d7;
    background: var(--good-soft);
}

.review-block.answer .review-label {
    color: var(--good);
}

.review-block.feedback {
    border-color: var(--line);
    background: var(--surface-sunk);
}

.review-block.hint-used {
    border-color: #f1d9b8;
    background: var(--warn-soft);
}

.review-block.hint-used .review-label {
    color: var(--warn);
}

.review-block .user-text {
    white-space: pre-wrap;
}

.review-block .empty {
    color: var(--ink-faint);
    font-style: italic;
}

@media (max-width: 760px) {
    .scoreboard {
        grid-template-columns: 1fr;
        justify-items: center;
        padding: var(--space-5) 20px;
        text-align: center;
    }

    .grade {
        width: 150px;
        height: 150px;
    }

    .grade-center strong {
        font-size: 2.8rem;
    }

    .stats,
    .answer-map {
        justify-content: center;
    }

    .results-actions {
        flex-direction: column-reverse;
        width: 100%;
    }

    .study {
        padding: var(--space-5) 20px;
    }

    .study-columns {
        grid-template-columns: 1fr;
    }

    .review-item summary {
        gap: 8px;
        padding: 14px 16px;
    }

    .review-body {
        padding: var(--space-1) var(--space-4) var(--space-5);
    }
}