.editor-panel {
    width: 40%;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    border-right: 2px solid var(--color-border-primary);
    background: var(--color-bg-primary);
}

.editor-panel textarea {
    flex: 1;
    padding: var(--sp-lg);
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.6;
    background: var(--color-bg-primary);
    color: var(--color-code);
    tab-size: 2;
}

/* Resizer */
.resizer {
    width: 4px;
    cursor: col-resize;
    background: var(--color-border-primary);
    flex-shrink: 0;
    transition: background var(--transition);
}

.resizer:hover, .resizer.active {
    background: var(--color-accent);
}