:root {
    --tbcfa-ink: #111111;
    --tbcfa-muted: #6d6d6d;
    --tbcfa-border: #dcdcdc;
    --tbcfa-soft: #f7f7f5;
    --tbcfa-white: #ffffff;
}

.tbcfa-wrap { margin: 4px 0 18px; font-family: inherit; }
.tbcfa-size-row > th.label { display: none; }
.tbcfa-size-row > td.value { width: 100% !important; display: table-cell; }
.tbcfa-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 10px; }
.tbcfa-title { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--tbcfa-ink); }
.tbcfa-actions { display: inline-flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; }
.tbcfa-link { border: 0; background: none; padding: 0; color: var(--tbcfa-ink); cursor: pointer; font: inherit; font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.tbcfa-link:hover, .tbcfa-link:focus { opacity: .65; }
.tbcfa-size-buttons { display: grid; grid-template-columns: repeat(6, minmax(48px, 1fr)); gap: 8px; }
.tbcfa-size-btn { appearance: none; background: var(--tbcfa-white); border: 1px solid var(--tbcfa-border); border-radius: 2px; min-height: 54px; padding: 7px 4px; cursor: pointer; color: var(--tbcfa-ink); transition: border-color .15s ease, box-shadow .15s ease, background .15s ease; }
.tbcfa-size-btn strong { display: block; font-size: 14px; line-height: 1.1; }
.tbcfa-size-btn span { display: block; margin-top: 4px; font-size: 10px; color: var(--tbcfa-muted); }
.tbcfa-size-btn:hover,
.tbcfa-size-btn:focus {
    background: #f2f4ed !important;
    border-color: #9da68d !important;
    color: var(--tbcfa-ink) !important;
    box-shadow: inset 0 0 0 1px #9da68d;
    outline: none;
}
.tbcfa-size-btn:hover strong,
.tbcfa-size-btn:focus strong { color: var(--tbcfa-ink) !important; }
.tbcfa-size-btn:hover span,
.tbcfa-size-btn:focus span { color: #4f5449 !important; }

/* Keep the selected size dark, even when the theme applies its own button hover colour. */
.tbcfa-size-btn.is-selected,
.tbcfa-size-btn.is-selected:hover,
.tbcfa-size-btn.is-selected:focus {
    border-color: var(--tbcfa-ink) !important;
    background: var(--tbcfa-ink) !important;
    color: var(--tbcfa-white) !important;
    box-shadow: inset 0 0 0 1px var(--tbcfa-ink);
}
.tbcfa-size-btn.is-selected strong,
.tbcfa-size-btn.is-selected:hover strong,
.tbcfa-size-btn.is-selected:focus strong { color: var(--tbcfa-white) !important; }
.tbcfa-size-btn.is-selected span,
.tbcfa-size-btn.is-selected:hover span,
.tbcfa-size-btn.is-selected:focus span { color: #e6e6e6 !important; }
.tbcfa-size-btn:disabled { opacity: .32; cursor: not-allowed; text-decoration: line-through; }
.tbcfa-selection-note { min-height: 18px; margin-top: 8px; color: var(--tbcfa-muted); font-size: 12px; }

/* Keep the WooCommerce selector available to scripts and accessibility tools while removing visual duplication. */
select.tbcfa-native-select { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

.tbcfa-modal { display: none; position: fixed; inset: 0; z-index: 999999; align-items: center; justify-content: center; padding: 20px; }
.tbcfa-modal.is-open { display: flex; }
.tbcfa-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.58); backdrop-filter: blur(2px); }
.tbcfa-dialog { position: relative; z-index: 1; width: min(520px, 100%); max-height: min(760px, calc(100vh - 40px)); overflow: auto; background: var(--tbcfa-white); color: var(--tbcfa-ink); border-radius: 4px; padding: 34px; box-shadow: 0 24px 80px rgba(0,0,0,.25); }
.tbcfa-dialog:focus { outline: none; }
.tbcfa-close { position: absolute; top: 12px; right: 14px; border: 0; background: none; color: var(--tbcfa-ink); font-size: 30px; line-height: 1; cursor: pointer; }
.tbcfa-eyebrow { margin: 0 0 7px; font-size: 10px; font-weight: 700; letter-spacing: .2em; color: var(--tbcfa-muted); }
.tbcfa-dialog h2 { margin: 0 35px 24px 0; font-size: clamp(23px, 4vw, 30px); line-height: 1.15; }
.tbcfa-field-label, .tbcfa-fit-options legend { display: block; margin-bottom: 9px; font-size: 14px; font-weight: 600; }
.tbcfa-measure-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-bottom: 22px; }
#tbcfa-chest { width: 100%; min-height: 48px; border: 1px solid var(--tbcfa-border); border-radius: 2px; padding: 9px 12px; background: var(--tbcfa-white); color: var(--tbcfa-ink); font: inherit; }
.tbcfa-unit-toggle { display: flex; border: 1px solid var(--tbcfa-border); border-radius: 2px; overflow: hidden; }
.tbcfa-unit-toggle button { min-width: 48px; border: 0; border-left: 1px solid var(--tbcfa-border); background: var(--tbcfa-white); color: var(--tbcfa-ink); cursor: pointer; font: inherit; }
.tbcfa-unit-toggle button:first-child { border-left: 0; }
.tbcfa-unit-toggle button.is-active { background: var(--tbcfa-ink); color: var(--tbcfa-white); }
.tbcfa-fit-options { border: 0; padding: 0; margin: 0 0 20px; }
.tbcfa-fit-options label { display: inline-block; margin: 0 7px 7px 0; cursor: pointer; }
.tbcfa-fit-options input { position: absolute; opacity: 0; pointer-events: none; }
.tbcfa-fit-options span { display: inline-block; border: 1px solid var(--tbcfa-border); border-radius: 999px; padding: 9px 15px; font-size: 13px; }
.tbcfa-fit-options input:checked + span { background: var(--tbcfa-ink); border-color: var(--tbcfa-ink); color: var(--tbcfa-white); }
.tbcfa-error { min-height: 18px; margin: 0 0 7px; font-size: 12px; color: #a12020; }
.tbcfa-primary, .tbcfa-secondary { width: 100%; min-height: 48px; border-radius: 2px; padding: 10px 16px; cursor: pointer; font: inherit; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.tbcfa-primary { border: 1px solid var(--tbcfa-ink); background: var(--tbcfa-ink); color: var(--tbcfa-white); }
.tbcfa-primary:hover { opacity: .88; }
.tbcfa-secondary { margin-top: 8px; border: 1px solid var(--tbcfa-border); background: var(--tbcfa-white); color: var(--tbcfa-ink); }
.tbcfa-result-kicker { margin: 0; color: var(--tbcfa-muted); font-size: 13px; }
.tbcfa-result-size { margin: 3px 0 9px; font-size: 64px; line-height: 1; font-weight: 700; letter-spacing: -.04em; }
.tbcfa-result-meta { display: flex; gap: 8px; margin: 18px 0; }
.tbcfa-result-meta span { border: 1px solid var(--tbcfa-border); padding: 8px 10px; font-size: 12px; }
.tbcfa-alt { margin: 16px 0 8px; }
.tbcfa-guide-note { margin: 14px 0 20px; color: var(--tbcfa-muted); font-size: 12px; line-height: 1.55; }
.tbcfa-table-wrap { overflow-x: auto; }
.tbcfa-table { width: 100%; border-collapse: collapse; }
.tbcfa-table th, .tbcfa-table td { border-bottom: 1px solid var(--tbcfa-border); padding: 11px 8px; text-align: left; font-size: 13px; }
.tbcfa-table th { color: var(--tbcfa-muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
body.tbcfa-modal-open { overflow: hidden; }

@media (max-width: 640px) {
    .tbcfa-topline { align-items: flex-start; flex-direction: column; gap: 7px; }
    .tbcfa-actions { justify-content: flex-start; }
    .tbcfa-size-buttons { grid-template-columns: repeat(3, minmax(64px, 1fr)); }
    .tbcfa-dialog { padding: 28px 20px 22px; }
}