.module-detail {
    --module-primary: #2563eb;
    --module-ink: #0f172a;
    --module-muted: #64748b;
    --module-border: #e2e8f0;
    --module-soft: #f8fafc;
    --module-success: #16a34a;
    --module-warning: #f59e0b;
}

.module-detail--result .post-hero {
    background:
        radial-gradient(circle at 14% 20%, rgba(34, 197, 94, 0.22), transparent 30rem),
        radial-gradient(circle at 86% 16%, rgba(37, 99, 235, 0.22), transparent 26rem),
        linear-gradient(135deg, #071524 0%, #102a43 54%, #073b4c 100%);
}

.module-detail--answer-key .post-hero {
    background:
        radial-gradient(circle at 12% 18%, rgba(245, 158, 11, 0.22), transparent 28rem),
        radial-gradient(circle at 88% 18%, rgba(37, 99, 235, 0.22), transparent 26rem),
        linear-gradient(135deg, #111827 0%, #1e293b 50%, #1d3557 100%);
}

.module-detail--syllabus .post-hero {
    background:
        radial-gradient(circle at 14% 16%, rgba(59, 130, 246, 0.22), transparent 28rem),
        radial-gradient(circle at 86% 20%, rgba(20, 184, 166, 0.22), transparent 26rem),
        linear-gradient(135deg, #07111f 0%, #172554 54%, #134e4a 100%);
}

.module-detail--study-note .post-hero {
    background:
        radial-gradient(circle at 14% 18%, rgba(14, 165, 233, 0.2), transparent 28rem),
        radial-gradient(circle at 86% 16%, rgba(34, 197, 94, 0.2), transparent 26rem),
        linear-gradient(135deg, #071524 0%, #12304d 54%, #0f3f46 100%);
}

.module-detail--previous-paper .post-hero {
    background:
        radial-gradient(circle at 13% 18%, rgba(245, 158, 11, 0.2), transparent 28rem),
        radial-gradient(circle at 86% 18%, rgba(59, 130, 246, 0.2), transparent 26rem),
        linear-gradient(135deg, #111827 0%, #22314c 54%, #0f3f46 100%);
}

.module-detail--current-affair .post-hero {
    background:
        radial-gradient(circle at 12% 18%, rgba(239, 68, 68, 0.18), transparent 26rem),
        radial-gradient(circle at 88% 16%, rgba(37, 99, 235, 0.22), transparent 28rem),
        linear-gradient(135deg, #101828 0%, #1e293b 52%, #172554 100%);
}

.module-alert {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px solid #fde68a;
    border-radius: 14px;
    background: #fffbeb;
    color: #92400e;
    font-size: 0.94rem;
    font-weight: 700;
    line-height: 1.55;
}

.module-alert i {
    color: var(--module-warning);
    margin-top: 2px;
}

.module-step-grid,
.module-info-grid,
.module-related-grid {
    display: grid;
    gap: 14px;
}

.module-step-grid,
.module-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.module-info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.module-download-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.module-download-card {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 104px;
    padding: 18px;
    border: 1px solid var(--module-border);
    border-radius: 16px;
    background: #ffffff;
    color: var(--module-ink);
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.module-download-card:hover {
    border-color: rgba(37, 99, 235, 0.35);
    color: var(--module-ink);
    transform: translateY(-2px);
    box-shadow: 0 16px 38px rgba(15, 23, 42, 0.1);
}

.module-download-card > i {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    border-radius: 14px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--module-primary);
    font-size: 1.2rem;
}

.module-download-card strong,
.module-download-card small {
    display: block;
}

.module-download-card strong {
    font-size: 0.98rem;
    line-height: 1.35;
}

.module-download-card small {
    margin-top: 4px;
    color: var(--module-muted);
    font-size: 0.82rem;
    line-height: 1.4;
}

.module-reading-content {
    color: #334155;
    font-size: 0.98rem;
    line-height: 1.85;
    white-space: pre-line;
}

.module-reading-content p:last-child {
    margin-bottom: 0;
}

.module-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.module-tag-row span {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 7px 13px;
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
    color: #1d4ed8;
    font-size: 0.86rem;
    font-weight: 800;
}

.module-step-card,
.module-info-grid > div {
    border: 1px solid var(--module-border);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.module-step-card {
    position: relative;
    min-height: 112px;
    padding: 18px 18px 18px 66px;
}

.module-step-card span {
    position: absolute;
    top: 18px;
    left: 18px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--module-primary);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 850;
}

.module-step-card p,
.module-info-grid p,
.module-check-list li {
    color: #334155;
    font-size: 0.94rem;
    line-height: 1.65;
}

.module-step-card p {
    margin: 0;
    font-weight: 650;
}

.module-info-grid > div {
    padding: 18px;
}

.module-info-grid h3 {
    margin: 0 0 8px;
    color: var(--module-ink);
    font-size: 1rem;
    line-height: 1.35;
}

.module-info-grid p {
    margin: 0;
}

.module-check-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.module-check-list li {
    position: relative;
    padding: 14px 16px 14px 44px;
    border: 1px solid var(--module-border);
    border-radius: 12px;
    background: var(--module-soft);
}

.module-check-list li::before {
    content: "";
    position: absolute;
    top: 21px;
    left: 18px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--module-success);
    box-shadow: 0 0 0 5px rgba(22, 163, 74, 0.1);
}

@media (max-width: 991.98px) {
    .module-info-grid,
    .module-related-grid,
    .module-download-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .module-step-grid,
    .module-info-grid,
    .module-related-grid,
    .module-download-grid {
        grid-template-columns: 1fr;
    }

    .module-step-card {
        min-height: 0;
        padding: 16px 16px 16px 62px;
    }

    .module-step-card span {
        top: 16px;
        left: 16px;
    }
}