static/css/features/split.css

.split-landscape-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(460px, 1.55fr);
    gap: 22px;
    align-items: stretch;
}

.split-left-panel,
.split-right-panel {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.split-left-panel .file-drop-area {
    flex-shrink: 0;
    min-height: 230px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.split-left-panel .file-list {
    margin-top: 16px;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 4px;
}

.split-options-horizontal {
    flex: 1;
}

.split-right-panel .split-options {
    height: 100%;
}