.sovereign-price-page .sovereign-price-form { display: flex; flex-direction: column; align-items: stretch; gap: 12px; }
.sovereign-price-page .sovereign-price-form select { width: 100%; }
.sovereign-price-page .ounce-price-model { width: 100%; height: auto; aspect-ratio: 1; }
.sovereign-karat-choice { padding: 0; margin: 0; border: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.sovereign-karat-choice legend { padding: 0; margin-bottom: 5px; color: var(--text-muted); font-size: .75rem; }
.sovereign-karat-choice label { position: relative; cursor: pointer; min-width: 0; }
.sovereign-karat-choice input { position: absolute; opacity: 0; inset-inline-start: 10px; top: 10px; }
.sovereign-karat-choice label > span { display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 9px 5px; min-height: 64px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); }
.sovereign-karat-choice strong { font-size: .85rem; }
.sovereign-karat-choice small { color: var(--text-muted); font-size: .7rem; line-height: 1.6; }
.sovereign-karat-choice input:checked + span { border-color: var(--gold-dark); background: var(--gold-bg); box-shadow: inset 0 0 0 1px var(--gold-dark); }
.sovereign-karat-choice input:focus-visible { outline: none; }
.sovereign-karat-choice input:focus-visible + span { outline: 3px solid var(--gold-dark); outline-offset: 3px; }
.sovereign-selected-name { margin: 0 0 4px; font-size: .8rem; font-weight: 700; }
.sovereign-weight, .sovereign-price-note { font-size: .7rem; line-height: 1.8; color: var(--text-muted); margin: 5px 0 0; }
.sovereign-fractions { margin-top: 18px; }
.sovereign-fractions h2 { font-size: 1.1rem; margin: 0 0 8px; }
.sovereign-fractions table { border-collapse: collapse; width: 100%; font-size: .85rem; }
.sovereign-fractions caption { color: var(--text-muted); text-align: start; padding-bottom: 8px; font-size: .75rem; }
.sovereign-fractions th, .sovereign-fractions td { text-align: start; border-bottom: 1px solid var(--border); padding: 10px 6px; }
.sovereign-fractions thead th { background: var(--gold-bg); font-size: .75rem; }
.sovereign-fractions td:last-child bdi { font-family: 'IBM Plex Mono', monospace; font-variant-numeric: tabular-nums; }
@media (max-width: 640px) {
    .sovereign-price-page .ounce-price-grid { grid-template-columns: minmax(100px, .8fr) minmax(0, 1.2fr); }
    .sovereign-karat-choice label > span { padding: 6px 2px; min-height: 60px; }
    .sovereign-karat-choice strong { font-size: .8rem; }
    .sovereign-karat-choice small { font-size: .65rem; }
    .sovereign-fractions th, .sovereign-fractions td { font-size: .75rem; padding: 10px 4px; }
    .sovereign-fractions h2 { font-size: 1rem; }
}