:root {
    --det-acq-cream: #f7f4ef;
    --det-acq-white: #ffffff;
    --det-acq-ink: #182019;
    --det-acq-muted: #62665f;
    --det-acq-green: #49624d;
    --det-acq-green-dark: #284832;
    --det-acq-green-soft: #e6eee7;
    --det-acq-gold: #e9bd63;
    --det-acq-line: #d9ded8;
    --det-acq-danger: #9f332f;
}

.det-writing-page {
    background: var(--det-acq-cream);
    color: var(--det-acq-ink);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
}

.det-writing-shell {
    margin: 0 auto;
    max-width: 1180px;
    padding: 0 24px;
}

.det-writing-hero {
    background:
        radial-gradient(circle at 85% 15%, rgba(233, 189, 99, 0.22), transparent 30%),
        linear-gradient(145deg, #f7f4ef 0%, #eef3ec 100%);
    overflow: hidden;
    padding: 72px 0 80px;
}

.det-writing-hero-grid {
    align-items: center;
    display: grid;
    gap: 54px;
    grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
}

.det-writing-kicker,
.det-writing-section-label {
    color: var(--det-acq-green);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.det-writing-title,
.det-writing-section-title {
    font-family: 'Instrument Serif', Georgia, serif;
    font-weight: 400;
    letter-spacing: -0.025em;
}

.det-writing-title {
    font-size: clamp(3.4rem, 7vw, 6rem);
    line-height: 0.9;
    margin: 18px 0 24px;
}

.det-writing-title em {
    color: var(--det-acq-green);
    font-weight: 400;
}

.det-writing-lede {
    color: #4f564f;
    font-size: 1.04rem;
    line-height: 1.75;
    margin: 0;
    max-width: 570px;
}

.det-writing-facts {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 30px;
}

.det-writing-fact {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(73, 98, 77, 0.16);
    border-radius: 16px;
    padding: 16px;
}

.det-writing-fact strong,
.det-writing-fact span {
    display: block;
}

.det-writing-fact strong {
    font-size: 0.92rem;
}

.det-writing-fact span {
    color: var(--det-acq-muted);
    font-size: 0.75rem;
    margin-top: 3px;
}

.det-writing-actions,
.det-writing-practice-controls {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.det-writing-actions {
    margin-top: 28px;
}

.det-writing-button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    justify-content: center;
    min-height: 46px;
    padding: 11px 20px;
    text-decoration: none;
    transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.det-writing-button:hover {
    transform: translateY(-1px);
}

.det-writing-button:focus,
.det-writing-button:focus-visible,
.det-writing-response:focus,
.det-writing-response:focus-visible,
.det-writing-faq summary:focus-visible {
    outline: 2px solid var(--det-acq-gold);
    outline-offset: 3px;
}

.det-writing-button-primary {
    background: var(--det-acq-green-dark);
    color: #fff;
}

.det-writing-button-primary:hover {
    background: #1d3927;
}

.det-writing-button-secondary {
    background: transparent;
    border-color: #b7c2b8;
    color: var(--det-acq-green-dark);
}

.det-writing-button:disabled {
    cursor: not-allowed;
    opacity: 0.52;
    transform: none;
}

.det-writing-independence {
    color: #747871;
    font-size: 0.72rem;
    line-height: 1.6;
    margin-top: 22px;
    max-width: 560px;
}

.det-writing-practice-card {
    background: var(--det-acq-white);
    border: 1px solid rgba(73, 98, 77, 0.16);
    border-radius: 28px;
    box-shadow: 0 24px 70px rgba(40, 72, 50, 0.13);
    min-width: 0;
    overflow: hidden;
}

.det-writing-practice-head {
    align-items: center;
    background: var(--det-acq-green-dark);
    color: #fff;
    display: flex;
    justify-content: space-between;
    padding: 16px 22px;
}

.det-writing-practice-head strong {
    font-size: 0.84rem;
    letter-spacing: 0.03em;
}

.det-writing-timer {
    color: var(--det-acq-gold);
    font-size: 1.22rem;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}

.det-writing-practice-body {
    padding: 22px;
}

.det-writing-progress {
    background: #e8ece8;
    border-radius: 999px;
    height: 6px;
    margin-bottom: 20px;
    overflow: hidden;
}

.det-writing-progress span {
    background: var(--det-acq-gold);
    display: block;
    height: 100%;
    transition: width 200ms ease;
    width: 0;
}

.det-writing-phase-label {
    color: var(--det-acq-green);
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.det-writing-prompt {
    background: #f3f6f2;
    border: 1px solid #dce5dc;
    border-radius: 16px;
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0 0 16px;
    padding: 16px;
}

.det-writing-preview-prompt-text {
    display: block;
    transition: filter 180ms ease, opacity 180ms ease;
}

.det-writing-preview-prompt-text.is-locked {
    filter: blur(7px);
    opacity: 0.62;
    pointer-events: none;
    user-select: none;
}

.det-writing-locked-response {
    background: #f8f6f0;
    border-left: 3px solid var(--det-acq-gold);
    border-radius: 10px;
    color: #51564f;
    font-size: 0.78rem;
    line-height: 1.55;
    margin: 0 0 14px;
    max-height: 112px;
    overflow: auto;
    padding: 12px 14px;
    white-space: pre-wrap;
}

.det-writing-locked-response strong {
    color: var(--det-acq-green-dark);
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.det-writing-response {
    background: #fff;
    border: 1px solid #cfd8d0;
    border-radius: 14px;
    color: var(--det-acq-ink);
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.6;
    min-height: 178px;
    padding: 14px;
    resize: vertical;
    width: 100%;
}

.det-writing-response:disabled {
    background: #f2f3f1;
}

.det-writing-response-meta {
    color: var(--det-acq-muted);
    display: flex;
    font-size: 0.72rem;
    justify-content: space-between;
    margin: 8px 2px 16px;
}

.det-writing-practice-controls {
    justify-content: flex-start;
}

.det-writing-preview-result {
    border-top: 1px solid var(--det-acq-line);
    display: none;
    margin-top: 20px;
    padding-top: 20px;
}

.det-writing-preview-result.is-visible {
    display: block;
}

.det-writing-preview-result p {
    color: var(--det-acq-muted);
    font-size: 0.78rem;
    line-height: 1.55;
    margin: 8px 0 14px;
}

.det-writing-limit-note {
    color: #747b73 !important;
    font-size: 0.68rem !important;
}

.det-writing-grade-error {
    color: var(--det-acq-danger) !important;
    min-height: 1em;
}

.det-writing-score-panel {
    align-items: center;
    background: var(--det-acq-green-dark);
    border-radius: 16px;
    color: #fff;
    display: flex;
    gap: 18px;
    justify-content: space-between;
    padding: 18px;
}

.det-writing-score-label,
.det-writing-score-band {
    color: #cdd9cf;
    display: block;
    font-size: 0.68rem;
}

.det-writing-score-value {
    display: block;
    font-size: 1.25rem;
    margin: 3px 0;
}

.det-writing-official-note {
    color: #d7e0d8 !important;
    margin: 0 !important;
    max-width: 160px;
    text-align: right;
}

.det-writing-feedback-summary {
    color: var(--det-acq-ink) !important;
    font-size: 0.84rem !important;
    margin: 16px 2px !important;
}

.det-writing-result-cta {
    align-items: center;
    background: var(--det-acq-green-soft);
    border: 1px solid #cbd9cd;
    border-radius: 16px;
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr) auto;
    margin: 16px 0;
    padding: 16px;
}

.det-writing-result-cta strong {
    color: var(--det-acq-green-dark);
    display: block;
    font-size: 0.82rem;
}

.det-writing-result-cta p {
    margin: 4px 0 0 !important;
}

.det-writing-result-cta .det-writing-button {
    min-width: 210px;
}

.det-writing-criteria-grid,
.det-writing-part-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.det-writing-criterion,
.det-writing-part-feedback {
    background: #f5f7f4;
    border: 1px solid #dce3dd;
    border-radius: 14px;
    padding: 13px;
}

.det-writing-criterion-head {
    align-items: flex-start;
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.det-writing-criterion h4,
.det-writing-part-feedback h4,
.det-writing-feedback-section h4 {
    font-size: 0.78rem;
    margin: 0 0 7px;
}

.det-writing-criterion-score {
    color: var(--det-acq-green-dark);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: right;
}

.det-writing-criterion-score small {
    display: block;
    font-size: 0.62rem;
    font-weight: 600;
}

.det-writing-criterion p,
.det-writing-part-feedback p {
    font-size: 0.7rem;
    margin: 4px 0 !important;
}

.det-writing-feedback-section {
    margin-top: 16px;
}

.det-writing-feedback-section ul {
    color: #4f584f;
    font-size: 0.75rem;
    line-height: 1.55;
    margin: 0;
    padding-left: 20px;
}

.det-writing-section {
    padding: 72px 0;
}

.det-writing-section-white {
    background: #fff;
}

.det-writing-section-dark {
    background: #1f3527;
    color: #fff;
}

.det-writing-section-head {
    margin: 0 auto 34px;
    max-width: 760px;
    text-align: center;
}

.det-writing-section-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    line-height: 1.02;
    margin: 10px 0 14px;
}

.det-writing-section-copy {
    color: var(--det-acq-muted);
    font-size: 0.94rem;
    line-height: 1.7;
    margin: 0;
}

.det-writing-section-dark .det-writing-section-copy {
    color: #c3d0c6;
}

.det-writing-construct-grid,
.det-writing-guide-grid,
.det-writing-source-grid {
    display: grid;
    gap: 16px;
}

.det-writing-construct-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.det-writing-guide-grid,
.det-writing-source-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.det-writing-construct-card,
.det-writing-guide-card,
.det-writing-source-card {
    border-radius: 18px;
    padding: 22px;
}

.det-writing-construct-card,
.det-writing-guide-card {
    background: #f5f6f2;
    border: 1px solid var(--det-acq-line);
}

.det-writing-construct-card span {
    align-items: center;
    background: var(--det-acq-green-soft);
    border-radius: 50%;
    color: var(--det-acq-green-dark);
    display: flex;
    font-size: 0.74rem;
    font-weight: 700;
    height: 30px;
    justify-content: center;
    margin-bottom: 16px;
    width: 30px;
}

.det-writing-construct-card h3,
.det-writing-guide-card h3 {
    font-size: 0.94rem;
    margin: 0 0 8px;
}

.det-writing-construct-card p,
.det-writing-guide-card p,
.det-writing-source-card p {
    color: var(--det-acq-muted);
    font-size: 0.78rem;
    line-height: 1.65;
    margin: 0;
}

.det-writing-source-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.det-writing-source-card strong {
    color: var(--det-acq-gold);
    display: block;
    font-size: 0.84rem;
    margin-bottom: 8px;
}

.det-writing-source-card p {
    color: #c8d4ca;
}

.det-writing-source-card a {
    color: #fff1c5;
}

.det-writing-note {
    background: #fffaf0;
    border-left: 3px solid var(--det-acq-gold);
    color: #5f5b50;
    font-size: 0.8rem;
    line-height: 1.65;
    margin: 28px auto 0;
    max-width: 820px;
    padding: 14px 18px;
}

.det-writing-faq-list {
    margin: 0 auto;
    max-width: 820px;
}

.det-writing-faq {
    border-bottom: 1px solid var(--det-acq-line);
}

.det-writing-faq summary {
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 18px 4px;
}

.det-writing-faq p {
    color: var(--det-acq-muted);
    font-size: 0.82rem;
    line-height: 1.7;
    margin: -4px 4px 18px;
}

body.dark-mode .det-writing-page,
body.dark-mode .det-writing-hero {
    background: #111713;
    color: #edf2ee;
}

body.dark-mode .det-writing-lede,
body.dark-mode .det-writing-independence,
body.dark-mode .det-writing-section-copy,
body.dark-mode .det-writing-construct-card p,
body.dark-mode .det-writing-guide-card p,
body.dark-mode .det-writing-faq p {
    color: #bdc8c0;
}

body.dark-mode .det-writing-kicker,
body.dark-mode .det-writing-section-label,
body.dark-mode .det-writing-title em,
body.dark-mode .det-writing-phase-label {
    color: #9fbca6;
}

body.dark-mode .det-writing-fact span,
body.dark-mode .det-writing-response-meta,
body.dark-mode .det-writing-preview-result p,
body.dark-mode .det-writing-limit-note {
    color: #b8c5bb !important;
}

body.dark-mode .det-writing-button-secondary {
    border-color: #77877b;
    color: #e2eae4;
}

body.dark-mode .det-writing-progress {
    background: #4a564d;
}

body.dark-mode .det-writing-fact,
body.dark-mode .det-writing-practice-card,
body.dark-mode .det-writing-section-white {
    background: #1b241e;
    color: #f1f4f1;
}

body.dark-mode .det-writing-construct-card,
body.dark-mode .det-writing-guide-card,
body.dark-mode .det-writing-prompt,
body.dark-mode .det-writing-criterion,
body.dark-mode .det-writing-part-feedback {
    background: #222d25;
    border-color: #344238;
    color: #edf2ee;
}

body.dark-mode .det-writing-response {
    background: #172019;
    border-color: #3e5143;
    color: #f1f4f1;
}

body.dark-mode .det-writing-locked-response {
    background: #25271f;
    color: #ced4ca;
}

body.dark-mode .det-writing-locked-response strong {
    color: #edf2ee;
}

body.dark-mode .det-writing-construct-card span {
    background: #35483a;
    color: #edf2ee;
}

body.dark-mode .det-writing-note {
    background: #29291f;
    color: #d9d6ca;
}

body.dark-mode .det-writing-preview-result,
body.dark-mode .det-writing-faq {
    border-color: #3d4b41;
}

body.dark-mode .det-writing-grade-error {
    color: #ffaaa3 !important;
}

body.dark-mode .det-writing-feedback-section li,
body.dark-mode .det-writing-feedback-summary {
    color: #c5d2c8 !important;
}

body.dark-mode .det-writing-result-cta {
    background: #26352a;
    border-color: #405845;
}

body.dark-mode .det-writing-result-cta strong {
    color: #edf2ee;
}

@media (max-width: 980px) {
    .det-writing-hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .det-writing-practice-card {
        margin: 0 auto;
        max-width: 680px;
        width: 100%;
    }

    .det-writing-construct-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .det-writing-shell {
        padding: 0 16px;
    }

    .det-writing-hero {
        padding: 46px 0 54px;
    }

    .det-writing-title {
        font-size: clamp(3rem, 17vw, 4.8rem);
    }

    .det-writing-facts,
    .det-writing-guide-grid,
    .det-writing-source-grid,
    .det-writing-criteria-grid,
    .det-writing-part-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .det-writing-practice-body {
        padding: 18px;
    }

    .det-writing-button {
        width: 100%;
    }

    .det-writing-section {
        padding: 54px 0;
    }

    .det-writing-score-panel {
        align-items: flex-start;
        flex-direction: column;
    }

    .det-writing-result-cta {
        align-items: stretch;
        grid-template-columns: minmax(0, 1fr);
    }

    .det-writing-result-cta .det-writing-button {
        min-width: 0;
    }

    .det-writing-official-note {
        max-width: none;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .det-writing-construct-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .det-writing-button,
    .det-writing-progress span,
    .det-writing-preview-prompt-text {
        transition: none;
    }

    .det-writing-button:hover {
        transform: none;
    }
}