.teacher-grade-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.teacher-grade-title {
    margin: 0 0 6px;
    font-size: 26px;
    color: #17324d;
}

.teacher-grade-lead {
    margin: 0;
    color: #5b7086;
    font-size: 14px;
    line-height: 1.8;
}

.teacher-grade-summary {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.teacher-grade-summary-item {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 14px;
    border-radius: 999px;
    background: #eef6ff;
    border: 1px solid #d7e7fb;
    color: #24527a;
    font-size: 13px;
    font-weight: 700;
}

.teacher-grade-toolbar {
    display: grid;
    grid-template-columns: minmax(240px, 2fr) repeat(3, minmax(150px, 1fr)) auto;
    gap: 14px;
    align-items: end;
    padding: 18px;
    margin-bottom: 18px;
    border-radius: 18px;
    background: linear-gradient(180deg, #fbfdff 0%, #f3f8fd 100%);
    border: 1px solid #d8e5f2;
}

.teacher-grade-filter label {
    display: block;
    margin-bottom: 6px;
    color: #446079;
    font-size: 13px;
    font-weight: 700;
}

.teacher-grade-filter .form-control {
    height: 44px;
    border-radius: 12px;
    border-color: #cfdeec;
    box-shadow: none;
}

.teacher-grade-filter .form-control:focus {
    border-color: #7db2e4;
    box-shadow: 0 0 0 3px rgba(70, 130, 180, 0.12);
}

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

.teacher-grade-apply {
    min-height: 44px;
    padding: 10px 18px;
}

.teacher-grade-reset {
    color: #597189;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.teacher-grade-reset:hover,
.teacher-grade-reset:focus {
    color: #1f5f93;
    text-decoration: none;
}

.teacher-grade-results-meta {
    margin-bottom: 14px;
    color: #5a7186;
    font-size: 13px;
    font-weight: 700;
}

.teacher-subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(5cm, 1fr));
    grid-auto-rows: 5cm;
    gap: 16px;
    margin-bottom: 22px;
    justify-content: start;
}

.teacher-subject-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    width: 100%;
    height: 5cm;
    min-height: 5cm;
    padding: 16px;
    border-radius: 16px;
    text-decoration: none;
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    border: 1px solid #d7e5f4;
    box-shadow: 0 14px 34px rgba(22, 58, 95, 0.08);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    overflow: hidden;
    text-align: right;
}

.teacher-subject-card:hover,
.teacher-subject-card:focus {
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 20px 36px rgba(22, 58, 95, 0.14);
    border-color: #93c5fd;
}

.teacher-subject-card.is-active {
    background: linear-gradient(135deg, #1f5f93 0%, #2f7ab6 100%);
    border-color: #1f5f93;
    box-shadow: 0 20px 40px rgba(31, 95, 147, 0.25);
}

.teacher-subject-card.is-active .teacher-subject-name,
.teacher-subject-card.is-active .teacher-subject-link,
.teacher-subject-card.is-active .teacher-subject-term {
    color: #ffffff;
}

.teacher-subject-card.is-active .teacher-subject-pill {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.26);
}

.teacher-subject-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.teacher-subject-pill {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 6px 12px;
    border-radius: 999px;
    background: #edf7ef;
    border: 1px solid #cae7d0;
    color: #22603a;
    font-size: 12px;
    font-weight: 700;
}

.teacher-subject-term {
    color: #58718a;
    font-size: 12px;
    font-weight: 700;
}

.teacher-subject-name {
    margin: 0 0 10px;
    color: #17324d;
    font-size: 18px;
    line-height: 1.5;
    font-weight: 800;
    word-break: break-word;
}

.teacher-subject-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
}

.teacher-subject-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 6px 12px;
    border-radius: 999px;
    background: #edf4fb;
    color: #315f87;
    font-size: 12px;
    font-weight: 800;
}

.teacher-subject-card.is-active .teacher-subject-count {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.teacher-subject-link {
    margin: 0;
    color: #2d6797;
    font-size: 13px;
    font-weight: 700;
    text-align: left;
}

.teacher-grade-empty {
    padding: 18px 20px;
    border-radius: 16px;
    background: #fff7e8;
    border: 1px solid #f2ddb0;
    color: #865d16;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.teacher-grade-empty-soft {
    background: #f7fbff;
    border-color: #d9e7f6;
    color: #4d6782;
}

.teacher-grade-panel {
    padding: 22px;
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid #dbe6f2;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}

.teacher-grade-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.teacher-grade-panel-title {
    margin: 0 0 4px;
    color: #17324d;
    font-size: 24px;
    font-weight: 800;
}

.teacher-grade-panel-subtitle {
    margin: 0;
    color: #5f7487;
    font-size: 13px;
}

.teacher-grade-panel-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    min-height: 48px;
    padding: 8px 16px;
    border-radius: 14px;
    background: #eff8f2;
    border: 1px solid #d0ead6;
    color: #26623d;
    font-weight: 800;
    font-size: 14px;
}

.teacher-grade-form {
    margin-top: 4px;
}

.teacher-grade-table th,
.teacher-grade-table td {
    vertical-align: middle !important;
}

.teacher-grade-table td:first-child {
    font-weight: 700;
    color: #17324d;
}

.teacher-grade-table td:nth-child(2) {
    color: #5f7487;
}

.teacher-grade-table input.form-control {
    min-width: 110px;
    text-align: center;
    font-weight: 700;
}

.teacher-grade-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 22px;
}

.teacher-grade-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    min-height: 42px;
    padding: 8px 14px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid #d8e5f1;
    color: #41627f;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
    transition: all 0.18s ease;
}

.teacher-grade-page-link:hover,
.teacher-grade-page-link:focus {
    text-decoration: none;
    color: #1f5f93;
    border-color: #95c0e8;
    transform: translateY(-1px);
}

.teacher-grade-page-link.is-active {
    background: #1f5f93;
    border-color: #1f5f93;
    color: #ffffff;
    box-shadow: 0 14px 24px rgba(31, 95, 147, 0.2);
}

@media (max-width: 991px) {
    .teacher-grade-header,
    .teacher-grade-panel-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .teacher-grade-summary {
        justify-content: flex-start;
    }

    .teacher-grade-toolbar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .teacher-grade-toolbar {
        grid-template-columns: 1fr;
        padding: 16px;
    }

    .teacher-subject-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
    }

    .teacher-subject-card {
        height: auto;
        min-height: 320px;
    }

    .teacher-grade-panel {
        padding: 16px;
    }

    .teacher-grade-table input.form-control {
        min-width: 84px;
    }
}