.academic-discussion-app {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 18px 48px;
}

.academic-discussion-header,
.academic-discussion-card,
.academic-discussion-compose,
.academic-discussion-result {
    background: #ffffff;
    border: 1px solid #d8e1ee;
    border-radius: 8px;
}

.academic-discussion-header {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 22px;
}

.academic-discussion-header h1 {
    margin: 4px 0 8px;
    font-size: 2rem;
}

.academic-discussion-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(88px, 1fr));
    gap: 10px;
    min-width: 330px;
}

.academic-discussion-metrics div {
    border: 1px solid #d8e1ee;
    border-radius: 8px;
    padding: 12px;
    background: #f8fafc;
}

.academic-discussion-metrics span,
.academic-discussion-meta dt {
    display: block;
    color: #56657a;
    font-size: 0.78rem;
}

.academic-discussion-metrics strong {
    display: block;
    margin-top: 4px;
    font-size: 1.35rem;
}

.academic-discussion-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
    gap: 18px;
    margin-top: 18px;
    align-items: start;
}

.academic-discussion-card,
.academic-discussion-compose,
.academic-discussion-result {
    padding: 20px;
}

.academic-discussion-card-head,
.academic-discussion-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.academic-discussion-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 14px 0;
}

.academic-discussion-meta div,
.discussion-professor,
.discussion-post {
    border: 1px solid #d8e1ee;
    border-radius: 8px;
    background: #f8fafc;
    padding: 14px;
}

.discussion-professor {
    background: #f2f7ff;
}

.discussion-post-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.discussion-professor h3,
.discussion-post h3 {
    margin: 0 0 8px;
    font-size: 0.98rem;
}

.discussion-professor p,
.discussion-post p {
    margin: 0;
    line-height: 1.55;
}

.academic-discussion-help {
    margin-top: 14px;
}

.academic-discussion-compose textarea {
    width: 100%;
    min-height: 360px;
    resize: vertical;
    border: 1px solid #c7d2e3;
    border-radius: 8px;
    padding: 14px;
    font: inherit;
    line-height: 1.55;
}

.academic-discussion-word-notice {
    margin: 10px 0 14px;
    color: #56657a;
}

.academic-discussion-word-notice.warning {
    color: #9a3412;
    font-weight: 700;
}

.academic-discussion-word-notice.good {
    color: #166534;
    font-weight: 700;
}

.academic-discussion-error {
    margin-top: 14px;
    padding: 12px 14px;
    border: 1px solid #fecaca;
    border-radius: 8px;
    background: #fff1f2;
    color: #991b1b;
}

.academic-discussion-result {
    margin-top: 18px;
}

.academic-discussion-score {
    display: flex;
    align-items: baseline;
    gap: 12px;
    border-bottom: 1px solid #d8e1ee;
    padding-bottom: 14px;
}

.academic-discussion-score strong {
    font-size: 2rem;
}

.academic-discussion-diagnostics,
.academic-discussion-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}

.academic-discussion-diagnostics span,
.academic-discussion-tags span {
    border: 1px solid #d8e1ee;
    border-radius: 999px;
    padding: 6px 10px;
    background: #f8fafc;
}

.academic-discussion-diagnostics span.ok {
    border-color: #86efac;
    background: #f0fdf4;
}

.academic-discussion-diagnostics span.missing {
    border-color: #fed7aa;
    background: #fff7ed;
}

.academic-discussion-feedback-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.academic-discussion-rubric {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 0;
    list-style: none;
}

.academic-discussion-rubric li {
    border: 1px solid #d8e1ee;
    border-radius: 8px;
    padding: 12px;
    background: #f8fafc;
}

.hidden {
    display: none !important;
}

@media (max-width: 860px) {
    .academic-discussion-header,
    .academic-discussion-layout,
    .discussion-post-grid,
    .academic-discussion-feedback-grid,
    .academic-discussion-rubric {
        grid-template-columns: 1fr;
    }

    .academic-discussion-header {
        display: block;
    }

    .academic-discussion-metrics {
        min-width: 0;
        margin-top: 16px;
    }
}