.gth-margin-calculator .gth-tabs { display: flex; gap: var(--gth-space-2); margin-bottom: var(--gth-space-4); }
.gth-margin-calculator .gth-tab { padding: var(--gth-space-2) var(--gth-space-4); border: 1px solid var(--gth-border); background: var(--gth-bg-secondary); border-radius: var(--gth-radius-md); cursor: pointer; font-weight: 500; }
.gth-margin-calculator .gth-tab-active { background: var(--gth-primary); color: white; border-color: var(--gth-primary); }
.gth-margin-calculator .gth-tab-content { display: none; }
.gth-margin-calculator .gth-tab-content-active { display: block; }
.gth-margin-calculator .gth-margin-results { display: flex; flex-direction: column; gap: var(--gth-space-2); }
.gth-margin-calculator .gth-margin-row { display: flex; justify-content: space-between; padding: var(--gth-space-3); background: var(--gth-bg-secondary); border-radius: var(--gth-radius-md); }
.gth-margin-calculator .gth-margin-highlight { background: var(--gth-primary); color: white; font-weight: 600; }