/* Tab Walk. Scoped under .tab-walk-lab so the module can be embedded. */
.tab-walk-lab { display: grid; gap: 2rem; }
.tw-block { display: grid; gap: 0.75rem; }
.tw-block h3 { margin: 0; font-size: 1.1rem; }
.tw-controls { border: 1px solid var(--border, #d1d9e0); border-radius: 8px; padding: 0.6rem 1rem 0.75rem; margin: 0; display: grid; gap: 0.4rem; }
.tw-controls legend { font-weight: 700; padding: 0 0.3rem; }
.tw-check { display: flex; gap: 0.5rem; align-items: start; }
.tw-check input { margin-top: 0.3rem; accent-color: var(--cta, #0c5a8a); flex: none; }
.tw-check label { display: block; }
.tw-help { display: block; font-size: 0.88rem; color: var(--muted, #4b5563); }
.tw-page { position: relative; border: 1px solid var(--muted, #4b5563); border-radius: 8px; padding: 0.75rem; background: var(--bg, #fff); display: grid; gap: 0.75rem; font-size: 0.92rem; }
.tw-page a { color: var(--link, #0c5a8a); }
.tw-page button, .tw-frame button, .tw-dialog button { font: inherit; }
.tw-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border, #d1d9e0); }
.tw-brand { font-weight: 800; }
.tw-nav { display: flex; gap: 1rem; }
.tw-hero { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; justify-content: space-between; background: var(--bg-soft, #e8f2f7); border-radius: 6px; padding: 0.75rem; }
.tw-hero p { margin: 0; font-weight: 600; }
.tw-cta, .tw-btn { padding: 0.45rem 0.9rem; border-radius: 999px; border: 1px solid var(--heading, #0b3d5c); background: var(--heading, #0b3d5c); color: #fff; font-weight: 700; cursor: pointer; }
.tw-btn { font: inherit; }
.tw-btn:disabled { opacity: 0.6; cursor: wait; }
.tw-cards { display: flex; gap: 0.75rem; }
.tw-card { flex: 1; border: 1px solid var(--border, #d1d9e0); border-radius: 6px; padding: 0.6rem; display: grid; gap: 0.3rem; }
.tw-card[tabindex] { outline-offset: 2px; }
.tw-promo { background: var(--bg-warm, #f8fafb); padding: 0.4rem 0.6rem; border-radius: 6px; }
.tw-more-wrap { display: grid; gap: 0.4rem; }
.tw-more { justify-self: start; padding: 0.35rem 0.7rem; border-radius: 6px; border: 1px solid var(--input-border, #9aa7b8); background: var(--input-bg, #fff); color: var(--ink, #1f2937); cursor: pointer; }
.tw-more-list { display: flex; gap: 1rem; padding-left: 0.5rem; }
.tw-more-list[hidden] { display: none; }
.tw-form { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 0.75rem; align-items: center; }
.tw-form input { font: inherit; padding: 0.3rem 0.5rem; border: 1px solid var(--input-border, #9aa7b8); border-radius: 6px; background: var(--input-bg, #fff); color: var(--ink, #1f2937); max-width: 16rem; }
.tw-form button { grid-column: 2; justify-self: start; padding: 0.35rem 0.8rem; border-radius: 6px; border: 1px solid var(--input-border, #9aa7b8); background: var(--input-bg, #fff); color: var(--ink, #1f2937); cursor: pointer; }
.tw-footer { border-top: 1px solid var(--border, #d1d9e0); padding-top: 0.5rem; font-size: 0.85rem; }
.tw-page :is(a, button, input, [tabindex]):focus-visible { outline: 3px solid var(--heading, #0b3d5c); outline-offset: 2px; box-shadow: 0 0 0 2px #fff; }
.tw-overlay { position: absolute; inset: 0; pointer-events: none; }
.tw-lines { position: absolute; inset: 0; overflow: visible; }
.tw-lines path { fill: none; stroke: var(--heading, #0b3d5c); stroke-width: 1.5; stroke-dasharray: 5 4; opacity: 0.7; }
.tw-badge { position: absolute; width: 18px; height: 18px; border-radius: 50%; background: var(--heading, #0b3d5c); color: #fff; font: 700 10px/18px ui-monospace, SFMono-Regular, Menlo, monospace; text-align: center; box-shadow: 0 0 0 2px #fff; }
.tw-badge-ghost { background: var(--bg, #fff); color: var(--heading, #0b3d5c); border: 2px dashed var(--heading, #0b3d5c); line-height: 14px; }
.tw-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tw-note { margin: 0; color: var(--muted, #4b5563); max-width: 70ch; }
.tw-readout { margin: 0; display: grid; gap: 0.3rem; }
.tw-readout p { margin: 0; }
.tw-summary { font-weight: 700; }
.tw-list { margin: 0; padding-left: 1.5rem; columns: 2; column-gap: 2rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; }
.tw-list-extra { color: var(--danger, #b3261e); font-weight: 700; }
.tw-frame { position: relative; height: 220px; overflow: auto; border: 1px solid var(--muted, #4b5563); border-radius: 8px; background: var(--bg, #fff); }
.tw-sticky { position: sticky; top: 0; z-index: 1; height: 56px; box-sizing: border-box; padding: 1rem; background: var(--heading, #0b3d5c); color: #fff; font-weight: 700; }
.tw-frame-body { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem 0.75rem; align-items: center; padding: 1rem; }
.tw-frame-body input { font: inherit; padding: 0.35rem 0.5rem; border: 1px solid var(--input-border, #9aa7b8); border-radius: 6px; background: var(--input-bg, #fff); color: var(--ink, #1f2937); max-width: 16rem; }
.tw-frame-body input:focus-visible { outline: 3px solid var(--danger, #b3261e); outline-offset: 2px; }
.tw-dlg-wrap { position: relative; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; min-height: 3rem; }
.tw-after { color: var(--link, #0c5a8a); }
.tw-dialog { position: relative; width: min(100%, 22rem); border: 2px solid var(--heading, #0b3d5c); border-radius: 10px; padding: 1rem; background: var(--bg, #fff); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25); display: grid; gap: 0.4rem; }
.tw-dialog[hidden] { display: none; }
.tw-dialog h4 { margin: 0 0 0.25rem; }
.tw-dialog input { font: inherit; padding: 0.35rem 0.5rem; border: 1px solid var(--input-border, #9aa7b8); border-radius: 6px; background: var(--input-bg, #fff); color: var(--ink, #1f2937); }
.tw-dlg-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.tab-walk-lab :is(button, input, a, [tabindex]):focus-visible { outline: 3px solid var(--heading, #0b3d5c); outline-offset: 2px; }
@media (max-width: 40rem) {
  .tw-cards { flex-direction: column; }
  .tw-list { columns: 1; }
}