.gth-roi-calculator .gth-result-highlight { background: var(--gth-primary-subtle); }
.gth-roi-calculator .gth-roi-value { font-size: var(--gth-text-2xl); }
.gth-roi-calculator .gth-roi-value.positive { color: var(--gth-success); }
.gth-roi-calculator .gth-roi-value.negative { color: var(--gth-error); }
.gth-roi-calculator .gth-roi-bar { height: 20px; background: var(--gth-bg-secondary); border-radius: var(--gth-radius-full); overflow: hidden; margin-top: var(--gth-space-4); }
.gth-roi-calculator .gth-roi-fill { height: 100%; transition: width 0.3s ease, background 0.3s ease; }
.gth-roi-calculator .gth-roi-fill.positive { background: var(--gth-success); }
.gth-roi-calculator .gth-roi-fill.negative { background: var(--gth-error); }