.tool-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-light);
}

.tool-title-wrapper i {
    font-size: 2rem;
    color: var(--primary-color);
}

.tool-title-wrapper .tool-title {
    margin-bottom: 0;
    border-bottom: none;
}

.chmod-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
}

.chmod-section h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.permission-table {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.permission-header,
.permission-row {
    display: grid;
    grid-template-columns: 100px repeat(3, 1fr);
    gap: 0;
}

.permission-header {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 13px;
}

.permission-header span {
    padding: 12px 8px;
    text-align: center;
}

.permission-header span:first-child {
    text-align: left;
    padding-left: 16px;
}

.permission-row {
    border-top: 1px solid var(--border-color);
}

.perm-label {
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.permission-row label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    cursor: pointer;
}

.perm-checkbox {
    position: relative;
    width: 100%;
}

.perm-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.perm-checkmark {
    height: 22px;
    width: 22px;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    position: relative;
    transition: var(--transition-fast);
}

.perm-checkbox input:checked ~ .perm-checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.perm-checkbox input:checked ~ .perm-checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.perm-checkbox:hover .perm-checkmark {
    border-color: var(--primary-color);
}

.result-display {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.result-row:last-child {
    border-bottom: none;
}

.result-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.result-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Consolas', 'Monaco', monospace;
}

.preset-buttons {
    margin-top: 20px;
}

.preset-buttons h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 8px;
    font-size: 12px;
}

.preset-btn strong {
    font-size: 15px;
    font-family: 'Consolas', 'Monaco', monospace;
}

.preset-btn span {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'Consolas', 'Monaco', monospace;
}

.chmod-description {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.chmod-description h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.desc-content {
    padding: 14px 16px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.desc-content p {
    margin: 0;
}

@media (max-width: 768px) {
    .chmod-grid {
        grid-template-columns: 1fr;
    }

    .permission-header,
    .permission-row {
        grid-template-columns: 80px repeat(3, 1fr);
    }

    .perm-label {
        font-size: 12px;
        padding: 12px;
    }

    .preset-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .result-value {
        font-size: 20px;
    }
}