.editor {
    font-family: monospace;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #f8fafc;
    color: var(--text);
    overflow: auto;
    outline: none;
    white-space: pre-wrap;
    word-wrap: break-word;
    tab-size: 4;
    line-height: 1.4;
    font-size: 0.95rem;
}

.editor:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.kw { color: #1d4ed8; font-weight: 600; }
.cm { color: #059669; }
.sym { color: #c2410c; font-weight: 600; }
.str { color: #b91c1c; }
.num { color: #6b21a8; }