.student-page-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

.student-page-header {
    margin-bottom: 28px;
}

.student-page-header h1 {
    font-size: 2.4rem;
    margin-bottom: 12px;
}

.student-page-header p {
    font-size: 1.05rem;
    color: #555;
    margin: 0;
}

.student-subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.student-subject-page-container {
    max-width: 1250px;
}

.student-subject-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.student-subject-card__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}

.student-subject-card__title {
    margin: 0 0 8px;
    font-size: 1.25rem;
    color: #111827;
}

.student-subject-card__teacher {
    margin: 0;
    color: #4b5563;
    font-size: 0.98rem;
}

.student-subject-card__grade {
    display: inline-block;
    background: #dbeafe;
    color: #1d4ed8;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
}

.student-subject-meta {
    display: grid;
    gap: 12px;
    margin-bottom: 18px;
}

.student-subject-meta__item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.student-subject-meta__label {
    font-size: 0.82rem;
    font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.student-subject-meta__value {
    color: #111827;
    font-size: 0.98rem;
}

.student-subject-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.student-btn {
    display: inline-block;
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.90rem;
    transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.student-btn--with-badge {
    align-items: center;
    display: inline-flex;
    gap: 4px;
    justify-content: center;
}

.student-button-badge {
    align-items: center;
    background: #dc2626;
    border-radius: 999px;
    color: #ffffff;
    display: inline-flex;
    font-size: 0.75rem;
    font-weight: 800;
    justify-content: center;
    line-height: 1;
    min-height: 15px;
    min-width: 15px;
    padding: 3px 6px;
}

.student-btn--primary {
    background: #2563eb;
    border: 1px solid #2563eb;
    color: white;
}

.student-btn--primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.24);
    transform: translateY(-1px);
}

.student-btn--secondary {
    background: #ffffff;
    color: #1d4ed8;
    border: 1px solid #cbd5e1;
}

.student-btn--secondary:hover {
    background: #eff6ff;
    border-color: #2563eb;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.14);
    transform: translateY(-1px);
}

.student-empty-state {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.student-empty-state h3 {
    margin-top: 0;
}

.student-empty-state p {
    margin-bottom: 16px;
    color: #666;
}
.student-page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.student-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.student-action-row--result {
    align-items: center;
    display: inline-flex;
    flex-wrap: nowrap;
    min-width: 190px;
    white-space: nowrap;
}

.student-action-row--result .student-btn {
    min-width: 86px;
    text-align: center;
}

.student-table-card__header {
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    padding: 18px 20px;
}

.student-table-card__header h2 {
    color: #111827;
    font-size: 1.2rem;
    margin: 0;
}

.student-assignment-section {
    margin-bottom: 24px;
}

.student-table-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.student-table-wrap {
    overflow-x: auto;
}

.student-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

.student-table thead tr {
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
}

.student-table th {
    text-align: left;
    padding: 16px;
}

.student-table td {
    padding: 16px;
}

.student-table tbody tr {
    border-bottom: 1px solid #f1f5f9;
}

.student-table__topic {
    font-weight: 600;
}

.student-status-badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
}

.student-status-badge--completed {
    background: #dcfce7;
    color: #166534;
}

.student-status-badge--progress {
    background: #fef3c7;
    color: #92400e;
}

.student-new-badge {
    background: #dc2626;
    border-radius: 999px;
    color: #ffffff;
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    line-height: 1;
    margin-left: 8px;
    padding: 5px 8px;
    text-transform: uppercase;
    vertical-align: middle;
}

.student-assignment-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
    margin-bottom: 22px;
    overflow: hidden;
}

.student-assignment-card__header {
    align-items: center;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
}

.student-assignment-card__header h2 {
    color: #111827;
    font-size: 1.2rem;
    margin: 0;
}

.student-assignment-card__body {
    padding: 22px;
}

.student-assignment-prompt {
    color: #111827;
    font-size: 1.08rem;
    margin-top: 0;
}

.student-assignment-image {
    display: block;
    max-width: min(100%, 520px);
    margin: 16px 0;
}

.student-option-list {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.student-option-item {
    align-items: flex-start;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    gap: 10px;
    padding: 12px 14px;
}

.student-option-item input {
    margin-top: 4px;
}

.student-option-image {
    display: block;
    max-width: min(100%, 260px);
    margin-top: 10px;
}

.student-review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.student-review-box,
.student-explanation {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
}

.student-explanation {
    margin-top: 16px;
}

.student-explanation p {
    color: #111827;
    margin: 8px 0 0;
}

/* Progress page: assignment results card */
.student-progress-results {
    margin-top: 36px;
}

.student-progress-results__card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.student-progress-results__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 24px 18px;
    border-bottom: 1px solid #e5e7eb;
    background: #f8fafc;
}

.student-progress-results__header h2 {
    margin: 0 0 6px;
    font-size: 1.5rem;
    color: #111827;
}

.student-progress-results__header p {
    margin: 0;
    color: #6b7280;
    font-size: 0.98rem;
}

.student-progress-results__table-wrap {
    overflow-x: auto;
}

.student-progress-results__table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

.student-progress-results__table thead tr {
    background: #f8fafc;
}

.student-progress-results__table th {
    text-align: left;
    padding: 16px 24px;
    font-size: 0.84rem;
    font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid #e5e7eb;
}

.student-progress-results__table td {
    padding: 18px 24px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
    color: #111827;
    font-size: 0.98rem;
}

.student-progress-results__table tbody tr:hover {
    background: #fafcff;
}

.student-progress-results__table tbody tr:last-child td {
    border-bottom: none;
}

.student-result-subject {
    display: inline-block;
    font-weight: 700;
    color: #1d4ed8;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.9rem;
}

.student-result-title {
    font-weight: 600;
    color: #111827;
}

.student-result-date {
    color: #4b5563;
    white-space: nowrap;
}

.student-score-badge {
    display: inline-block;
    min-width: 62px;
    text-align: center;
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.9rem;
    font-weight: 700;
}

.student-score-badge--muted {
    background: #f3f4f6;
    color: #6b7280;
    border-color: #e5e7eb;
}

.student-result-link {
    display: inline-block;
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 600;
    color: #1d4ed8;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    transition: all 0.2s ease;
}

.student-result-link:hover {
    background: #dbeafe;
    border-color: #93c5fd;
}

.student-progress-results__empty {
    padding: 24px;
    color: #6b7280;
}

@media (max-width: 768px) {
    .student-progress-results__header {
        padding: 18px 18px 16px;
    }

    .student-progress-results__table th,
    .student-progress-results__table td {
        padding: 14px 18px;
    }
}

.student-result-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 18px;
}

.student-result-meta .student-subject-meta__item:last-child {
    text-align: right;
    margin-left: auto;
}

.student-result-meta {
    grid-template-columns: repeat(2, minmax(180px, max-content));
    gap: 24px 40px;
    align-items: start;
}

@media (max-width: 640px) {
    .student-result-meta {
        grid-template-columns: 1fr;
        display: grid;
        gap: 16px;
    }
}
.student-subject-card__actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    margin-top: 5px;
}

.student-subject-card__actions .student-btn {
    flex: 1 1 0;
    text-align: center;
    white-space: nowrap;
    padding: 10px 10px;
}