.split-mode-control {
    max-width: 560px;
}

.split-control-hint {
    display: block;
    margin: 0.15rem 0 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.45;
}

.split-range-panel {
    margin-top: 1.25rem;
    padding: 1.25rem;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.split-range-total {
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
}

.split-range-rows {
    display: grid;
    gap: 0.65rem;
    margin: 1rem 0;
}

.split-range-row {
    display: grid;
    grid-template-columns: 2rem minmax(90px, 1fr) auto minmax(90px, 1fr) 2rem;
    gap: 0.65rem;
    align-items: end;
    padding: 0.75rem;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
}

.split-range-number {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 800;
}

.split-range-field {
    display: grid;
    gap: 0.25rem;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.split-range-field .control-input {
    padding: 0.5rem 0.65rem;
}

.split-range-separator {
    padding-bottom: 0.55rem;
    color: var(--text-muted);
    font-weight: 700;
}

.split-range-remove,
.split-range-remove-placeholder {
    width: 2rem;
    height: 2rem;
    border: 0;
    border-radius: var(--radius-sm);
}

.split-range-remove {
    background: var(--danger-bg);
    color: var(--danger);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
}

.split-range-remove:hover {
    background: #fecaca;
}

.split-add-range-btn {
    width: 100%;
}

.split-fixed-panel {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-top: 1.25rem;
    padding: 1.25rem;
    border: 1px solid #c7d2fe;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--text-primary);
}

.split-fixed-panel p {
    margin: 0.2rem 0 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.split-fixed-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 800;
}

@media (max-width: 520px) {
    .split-range-row {
        grid-template-columns: 2rem 1fr 1fr 2rem;
    }

    .split-range-separator {
        display: none;
    }
}