:root {
    --pte-ink: #10231c;
    --pte-muted: #607068;
    --pte-line: #dfe6e0;
    --pte-paper: #fbfcfa;
    --pte-green: #0b5d3b;
    --pte-lime: #c9ef4a;
}

.pte-activity-shell {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 56px 0 88px;
    color: var(--pte-ink);
    font-family: 'Inter Tight', sans-serif;
}

.pte-activity-hero,
.pte-result-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--pte-line);
}

.pte-activity-hero h1,
.pte-result-hero h1 {
    max-width: 800px;
    margin: 4px 0 10px;
    font-family: 'Instrument Serif', serif;
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 400;
    line-height: 0.96;
    letter-spacing: 0;
}

.pte-activity-hero p,
.pte-result-hero p,
.pte-activity-row p,
.pte-result-muted {
    margin: 0;
    color: var(--pte-muted);
}

.pte-activity-eyebrow {
    margin: 0;
    color: var(--pte-green);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pte-activity-primary,
.pte-activity-review,
.pte-activity-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--pte-green);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
}

.pte-activity-primary {
    background: var(--pte-green);
    color: #fff;
}

.pte-activity-review,
.pte-activity-back {
    background: transparent;
    color: var(--pte-green);
}

.pte-activity-back {
    margin-bottom: 28px;
}

.pte-activity-stats,
.pte-result-band {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-bottom: 1px solid var(--pte-line);
}

.pte-activity-stats > div,
.pte-result-band > div {
    min-width: 0;
    padding: 24px 20px;
    border-right: 1px solid var(--pte-line);
}

.pte-activity-stats > div:first-child,
.pte-result-band > div:first-child {
    padding-left: 0;
}

.pte-activity-stats > div:last-child,
.pte-result-band > div:last-child {
    border-right: 0;
}

.pte-activity-stats span,
.pte-result-band span,
.pte-activity-row-score span,
.pte-result-trait span {
    display: block;
    color: var(--pte-muted);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pte-activity-stats strong,
.pte-result-band strong {
    display: block;
    margin-top: 7px;
    font-size: 1.15rem;
}

.pte-activity-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 0 18px;
}

.pte-activity-toolbar > span {
    color: var(--pte-muted);
    font-size: 0.85rem;
}

.pte-activity-filters {
    display: flex;
    gap: 6px;
    overflow-x: auto;
}

.pte-activity-filters button,
.pte-activity-pagination button {
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid var(--pte-line);
    border-radius: 6px;
    background: #fff;
    color: var(--pte-ink);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    white-space: nowrap;
}

.pte-activity-filters button.active {
    border-color: var(--pte-green);
    background: var(--pte-green);
    color: #fff;
}

.pte-activity-list {
    border-top: 1px solid var(--pte-line);
}

.pte-activity-row {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 130px auto;
    align-items: center;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--pte-line);
}

.pte-activity-row-skill {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 50%;
    background: #e9f1ea;
    color: var(--pte-green);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
}

.pte-activity-row-skill[data-skill="full_test"] {
    background: var(--pte-lime);
    color: var(--pte-ink);
}

.pte-activity-row-meta {
    display: flex;
    gap: 12px;
    color: var(--pte-muted);
    font-size: 0.78rem;
}

.pte-activity-row h2 {
    margin: 5px 0 4px;
    font-size: 1.05rem;
    letter-spacing: 0;
}

.pte-activity-row-score strong {
    font-size: 1.35rem;
}

.pte-activity-empty {
    padding: 72px 0;
    text-align: center;
}

.pte-activity-empty h1,
.pte-activity-empty h2 {
    margin: 0 0 8px;
}

.pte-activity-empty .pte-activity-primary {
    margin-top: 22px;
}

.pte-activity-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding-top: 28px;
}

.pte-activity-pagination button:disabled {
    opacity: 0.4;
    cursor: default;
}

.pte-result-score {
    flex: 0 0 auto;
    color: var(--pte-green);
}

.pte-result-score strong {
    font-family: 'Instrument Serif', serif;
    font-size: 6rem;
    font-weight: 400;
    line-height: 0.8;
}

.pte-result-score span {
    font-size: 1.2rem;
    font-weight: 700;
}

.pte-result-band {
    grid-template-columns: 2fr 1fr 1fr;
}

.pte-result-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    padding-top: 38px;
}

.pte-result-section {
    padding: 0 0 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--pte-line);
}

.pte-result-prompt,
.pte-result-response,
.pte-result-feedback,
.pte-result-state {
    margin-top: 14px;
    color: var(--pte-ink);
    font-size: 1rem;
    line-height: 1.7;
    white-space: pre-wrap;
}

.pte-result-state {
    overflow-x: auto;
    padding: 18px;
    border-radius: 6px;
    background: #f0f4f0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.82rem;
}

.pte-result-section audio {
    width: 100%;
    margin-top: 14px;
}

.pte-result-breakdown {
    align-self: start;
    padding-left: 28px;
    border-left: 1px solid var(--pte-line);
}

.pte-result-trait {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--pte-line);
}

.pte-result-trait span {
    text-transform: capitalize;
}

.pte-result-breakdown .pte-activity-primary {
    width: 100%;
    margin-top: 24px;
}

.pte-activity-loading {
    padding: 100px 0;
    color: var(--pte-muted);
    text-align: center;
}

@media (max-width: 800px) {
    .pte-activity-shell {
        width: min(100% - 28px, 1180px);
        padding-top: 34px;
    }

    .pte-activity-hero,
    .pte-result-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .pte-activity-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pte-activity-stats > div {
        padding-left: 0;
        border-right: 0;
    }

    .pte-activity-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .pte-activity-row {
        grid-template-columns: 44px minmax(0, 1fr);
    }

    .pte-activity-row-score {
        grid-column: 2;
    }

    .pte-activity-review {
        grid-column: 2;
        justify-self: start;
    }

    .pte-result-score strong {
        font-size: 4.5rem;
    }

    .pte-result-band,
    .pte-result-layout {
        grid-template-columns: 1fr;
    }

    .pte-result-band > div {
        padding-left: 0;
        border-right: 0;
    }

    .pte-result-breakdown {
        padding-left: 0;
        border-left: 0;
    }
}