/* V52-009 / V52-010 / V52-014 -- support screen (tabs New / History), contact form, receipt, intake states.
   Scoped to .pb-v52t / pb-v52t-* only; existing theme tokens (light / dark / system come from pb-tokens.css);
   logical properties (RTL / LTR); 48px standalone targets; no fixed bar over the primary send. */

.pb-v52t .pb-cs-subtitle { margin-top: 4px; }

/* tabs: two real links, current one marked with aria-current="page" */
.pb-v52t-tabs { display: flex; flex-wrap: wrap; gap: 4px; border-block-end: 1px solid var(--border-color); margin: 8px 0 14px; }
.pb-v52t-tab { display: inline-flex; align-items: center; min-height: 48px; padding: 0 16px; color: var(--text-secondary); text-decoration: none; font-weight: 600; border-block-end: 3px solid transparent; margin-block-end: -1px; }
.pb-v52t-tab:hover { color: var(--pb-action-text, var(--accent)); }
.pb-v52t-tab[aria-current="page"] { color: var(--pb-action-text, var(--accent)); border-block-end-color: var(--pb-action-text, var(--accent)); }
.pb-v52t-tab:focus-visible { outline: 3px solid var(--pb-focus); outline-offset: 2px; }

/* required marker + legend */
.pb-v52t-req { color: var(--pb-danger-text); font-weight: 700; }
.pb-v52t-legend { margin: 0 0 8px; }

/* contact fields: one column, readable width */
.pb-v52t-fields { display: grid; grid-template-columns: 1fr; gap: 4px; max-width: 640px; }
.pb-v52t-fields input[type="text"], .pb-v52t-fields input[type="email"], .pb-v52t-fields textarea { width: 100%; min-height: 48px; box-sizing: border-box; }

/* the primary send follows the fields; full width on a phone */
.pb-v52t .pb-cs-actions .pb-btn { min-height: 48px; }
@media (max-width: 599px) {
    .pb-v52t .pb-cs-actions { flex-direction: column; align-items: stretch; }
    .pb-v52t .pb-cs-actions .pb-btn { width: 100%; }
}

/* error summary (role=alert) + unknown / conflict notices */
.pb-v52t-summary, .pb-v52t-state { border-radius: 12px; padding: 14px 16px; margin: 0 0 14px; }
.pb-v52t-summary { background: var(--pb-danger-surface); color: var(--pb-danger-text); border: 1px solid var(--pb-danger-text); }
.pb-v52t-summary p { margin: 0 0 6px; }
.pb-v52t-summary ul { margin: 0; padding-inline-start: 20px; }
.pb-v52t-summary a { color: inherit; text-decoration: underline; }
.pb-v52t-state--unknown { background: var(--pb-info-surface); color: var(--pb-info-text); border: 1px solid var(--pb-info-text); }
.pb-v52t-state--conflict { background: var(--pb-warning-surface); color: var(--pb-warning-text); border: 1px solid var(--pb-warning-text); }
.pb-v52t-state p { margin: 0 0 10px; }
.pb-v52t-state a { color: inherit; text-decoration: underline; }
.pb-v52t-summary:focus-visible, .pb-v52t-state:focus-visible, .pb-v52t-receipt h2:focus-visible { outline: 3px solid var(--pb-focus); outline-offset: 2px; }

/* receipt of a committed request */
.pb-v52t-receipt { padding: 18px 20px; margin: 0 0 16px; border-inline-start: 4px solid var(--pb-success-text); }
.pb-v52t-receipt h2 { font-size: 1.2rem; margin: 0 0 8px; color: var(--pb-success-text); }
.pb-v52t-receipt-number { font-weight: 600; margin: 0 0 8px; }
.pb-v52t-receipt-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.pb-v52t-receipt-actions .pb-btn { min-height: 48px; display: inline-flex; align-items: center; }

/* history filters / empty states / pager */
.pb-v52t-filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 16px; margin: 0 0 14px; }
.pb-v52t-filters select { min-height: 48px; }
.pb-v52t-filter-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.pb-v52t-filter-actions .pb-btn { min-height: 48px; }
.pb-v52t-empty { padding: 18px 20px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.pb-v52t-empty p { margin: 0; }
.pb-v52t-pager { display: flex; gap: 10px; justify-content: space-between; margin: 12px 0; }
.pb-v52t-formal { margin-top: 16px; }
.pb-v52t-history-link { margin: 0 0 12px; }