.edupro-essay-grading-app {
    display: grid;
    grid-template-columns: 390px minmax(0, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.edupro-essay-left,
.edupro-essay-right {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    overflow: hidden;
    min-height: 700px;
}

.edupro-essay-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 22px 14px;
}

.edupro-essay-panel-head h2 {
    margin: 0;
    font-size: 18px;
    color: #0f172a;
}

.edupro-essay-panel-head p {
    margin: 5px 0 0;
    font-size: 13px;
    color: #64748b;
}

#eduproEssayCount {
    flex: 0 0 auto;
    padding: 6px 11px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4f46e5;
    font-size: 13px;
    font-weight: 800;
}

.edupro-essay-filters {
    display: grid;
    gap: 10px;
    padding: 0 22px 18px;
    border-bottom: 1px solid #edf2f7;
}

.edupro-essay-filters select,
.edupro-essay-filters input {
    width: 100%;
    height: 42px;
    border: 1px solid #dbe3ef;
    border-radius: 12px;
    padding: 0 12px;
    outline: none;
    color: #334155;
    background: #fff;
}

.edupro-essay-filters select:focus,
.edupro-essay-filters input:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.edupro-essay-list {
    padding: 16px;
    max-height: 590px;
    overflow-y: auto;
}

.edupro-essay-item {
    width: 100%;
    text-align: left;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #fff;
    padding: 14px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: 0.18s ease;
}

.edupro-essay-item:hover,
.edupro-essay-item.active {
    border-color: #4f46e5;
    background: #eef2ff;
}

.edupro-essay-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}

.edupro-essay-item strong {
    color: #0f172a;
    font-size: 15px;
}

.edupro-essay-item span {
    display: block;
    font-size: 13px;
    color: #64748b;
    line-height: 1.45;
}

.edupro-essay-title {
    color: #334155 !important;
    font-weight: 800;
    margin-bottom: 4px;
}

.edupro-essay-badge {
    display: inline-flex !important;
    width: fit-content;
    border-radius: 999px;
    padding: 4px 8px;
    font-size: 11px !important;
    font-weight: 800;
}

.edupro-essay-badge.pending {
    background: #fff7ed;
    color: #ea580c;
}

.edupro-essay-badge.graded {
    background: #ecfdf5;
    color: #059669;
}

.edupro-essay-empty,
.edupro-essay-empty-detail {
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 30px;
    color: #64748b;
}

.edupro-essay-empty h3,
.edupro-essay-empty-detail h2 {
    color: #0f172a;
    margin: 0 0 8px;
}

.edupro-essay-empty p,
.edupro-essay-empty-detail p {
    margin: 0;
    max-width: 390px;
    line-height: 1.55;
}

.edupro-empty-circle {
    width: 76px;
    height: 76px;
    border-radius: 999px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 16px ;
}

.edupro-essay-detail {
    padding: 28px;
}

.edupro-essay-detail-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.edupro-detail-label {
    display: inline-flex;
    width: fit-content;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4f46e5;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 10px;
}

.edupro-essay-detail-head h2 {
    margin: 0;
    color: #0f172a;
    font-size: 24px;
    line-height: 1.25;
}

.edupro-essay-detail-head p {
    margin: 8px 0 0;
    color: #64748b;
}

.edupro-score-card {
    min-width: 98px;
    height: 98px;
    border-radius: 20px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.edupro-score-card span {
    font-size: 12px;
    color: #64748b;
    font-weight: 700;
}

.edupro-score-card strong {
    margin-top: 6px;
    font-size: 30px;
    color: #4f46e5;
}

.edupro-essay-meta {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0 24px;
}

.edupro-essay-meta div {
    padding: 13px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid #edf2f7;
}

.edupro-essay-meta small {
    display: block;
    color: #64748b;
    margin-bottom: 5px;
    font-size: 12px;
}

.edupro-essay-meta strong {
    color: #0f172a;
    font-size: 14px;
    line-height: 1.35;
    word-break: break-word;
}

.edupro-section-block {
    margin-top: 22px;
}

.edupro-section-block h3 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 16px;
}

.edupro-content-box,
.edupro-answer-box {
    padding: 18px;
    border-radius: 15px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #334155;
    line-height: 1.7;
    white-space: pre-wrap;
}

.edupro-answer-box {
    background: #fff;
}

.edupro-grade-form {
    display: grid;
    gap: 16px;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid #edf2f7;
}

.edupro-grade-grid {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 14px;
}

.edupro-grade-form label {
    display: block;
    margin-bottom: 7px;
    color: #334155;
    font-weight: 800;
}

.edupro-grade-form input,
.edupro-grade-form textarea,
.edupro-grade-form select {
    width: 100%;
    border: 1px solid #dbe3ef;
    border-radius: 12px;
    padding: 12px;
    outline: none;
    background: #fff;
    color: #334155;
}

.edupro-grade-form input:focus,
.edupro-grade-form textarea:focus,
.edupro-grade-form select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.edupro-grade-form textarea {
    min-height: 130px;
    resize: vertical;
    line-height: 1.6;
}

.edupro-grade-form small {
    display: block;
    margin-top: 6px;
    color: #64748b;
}

.edupro-grade-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.edupro-grade-submit,
.edupro-grade-cancel {
    border: none;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 800;
    cursor: pointer;
}

.edupro-grade-submit {
    background: #4f46e5;
    color: #fff;
}

.edupro-grade-submit:hover {
    background: #4338ca;
}

.edupro-grade-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.edupro-grade-cancel {
    background: #f1f5f9;
    color: #334155;
}

.edupro-grade-cancel:hover {
    background: #e2e8f0;
}

@media (max-width: 1100px) {
    .edupro-essay-grading-app {
        grid-template-columns: 1fr;
    }

    .edupro-essay-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .edupro-grade-grid,
    .edupro-essay-meta {
        grid-template-columns: 1fr;
    }

    .edupro-essay-detail-head {
        flex-direction: column;
    }
}

/* ===== EduPro refined layout: chấm bài thêm lọc tháng ===== */
.edupro-essay-filters{grid-template-columns:repeat(2,minmax(0,1fr));}
.edupro-essay-filters input[type="search"]{grid-column:1 / -1;}
@media (max-width: 680px){.edupro-essay-filters{grid-template-columns:1fr;}}

/* Giáo viên xem chi tiết bài làm - làm nổi bật đáp án đúng */
.edupro-teacher-submission-detail .edupro-answer-option.is-correct,
.edupro-teacher-submission-detail .edupro-review-option.is-correct,
.edupro-teacher-submission-detail .edupro-choice-option.is-correct,
.edupro-submission-review-modal .edupro-answer-option.is-correct,
.edupro-submission-review-modal .edupro-review-option.is-correct,
.edupro-submission-review-modal .edupro-choice-option.is-correct {
    border: 2px solid #22c55e !important;
    background: #ecfdf5 !important;
    box-shadow: 0 8px 22px rgba(34, 197, 94, 0.12);
}

/* Nếu vừa là đáp án đúng vừa là đáp án học viên chọn */
.edupro-teacher-submission-detail .edupro-answer-option.is-selected.is-correct,
.edupro-teacher-submission-detail .edupro-review-option.is-selected.is-correct,
.edupro-teacher-submission-detail .edupro-choice-option.is-selected.is-correct,
.edupro-submission-review-modal .edupro-answer-option.is-selected.is-correct,
.edupro-submission-review-modal .edupro-review-option.is-selected.is-correct,
.edupro-submission-review-modal .edupro-choice-option.is-selected.is-correct {
    border-color: #16a34a !important;
    background: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%) !important;
}

/* Badge đáp án đúng */
.edupro-teacher-submission-detail .edupro-badge-correct,
.edupro-submission-review-modal .edupro-badge-correct,
.edupro-teacher-submission-detail .answer-correct-badge,
.edupro-submission-review-modal .answer-correct-badge {
    background: #dcfce7 !important;
    color: #15803d !important;
    border: 1px solid #86efac !important;
    font-weight: 700;
}