.mitre-matrix {
    display: grid;
    grid-template-columns: repeat(14, minmax(220px, 1fr));
    gap: 12px;
    overflow-x: auto;
    border: 2px solid #000;
    border-radius: 10px;
    padding: 12px;
}

.mitre-tactic {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 10px;
    border: 1px solid #e5e7eb;
}

.mitre-tactic h6 {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.mitre-technique {
    font-size: 0.8rem;
    padding: 6px 8px;
    margin-bottom: 6px;
    border-radius: 6px;
    cursor: pointer;
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

.mitre-technique.active {
    background: #0d6efd;
    color: #fff;
    border-color: #0d6efd;
}

.mitre-popover {
    font-size: 0.75rem;
    max-width: 320px;
}

.mitre-popover .popover-header {
    font-weight: 600;
}

.mitre-popover .btn-copy {
    font-size: 0.7rem;
}

/* --- Sub-techniques styles --- */
.mitre-subtechniques {
    margin-left: 10px;
    margin-top: 4px;
}

.mitre-technique.sub {
    font-size: 0.72rem;
    opacity: 0.9;
}

.mitre-technique-wrapper {
    margin-bottom: 8px;
}

.mitre-sub-toggle {
    font-size: 0.7rem;
    color: #0d6efd;
    cursor: pointer;
    margin-top: 4px;
    margin-left: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.mitre-sub-toggle:hover {
    text-decoration: underline;
}

.mitre-status-pending {
    background-color: #f8d7da;
    border-color: #f1aeb5;
    color: #842029;
}

.mitre-status-inprogress {
    background-color: #fff3cd;
    border-color: #ffecb5;
    color: #664d03;
}

.mitre-status-covered {
    background-color: #d1e7dd;
    border-color: #badbcc;
    color: #0f5132;
}