.ba{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:12px;align-items:stretch;margin:24px 0 0}.ba-col{border:1px solid var(--border,#e5e7eb);border-radius:18px;padding:16px;background:var(--surface,#fff);min-width:0}.ba-before{background:#f4f4f5}.ba-after{border-color:#a9dd9a;background:#f1faec}.ba-tag{margin:0;font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1;color:#111}.ba-after .ba-tag{color:#1f7a2e}.ba-title{margin:6px 0 12px;font-size:13px;color:var(--text-muted,#6b7280);line-height:1.3}.ba-arrow{align-self:center;font-size:28px;font-weight:700;color:#1f7a2e;padding:0 2px}.ba-thread{display:flex;flex-direction:column;gap:7px}.ba-msg{margin:0;max-width:90%;padding:8px 11px;border-radius:14px;font-size:14px;line-height:1.3;background:#fff;color:#111;border:1px solid #e6e6e8}.ba-msg.is-c{align-self:flex-start;border-bottom-left-radius:4px}.ba-msg.is-o{align-self:flex-end;background:#dcf8c6;border-color:#cbeeb2;border-bottom-right-radius:4px}.ba-msg.is-reply{max-width:100%}.ba-more{margin:2px 0 0;font-size:13px;color:#8a8f98;font-style:italic}.ba-card{margin-top:4px;border-radius:14px;background:#fff;border:1px solid #cbeeb2;padding:11px 13px}.ba-card-title{margin:0 0 5px;font-size:14px;font-weight:700;color:#1f7a2e;display:flex;align-items:center;gap:6px}.ba-check{display:inline-flex;width:18px;height:18px;border-radius:50%;background:#1f7a2e;color:#fff;font-size:11px;align-items:center;justify-content:center}.ba-card-row{margin:0;font-size:13.5px;line-height:1.4;color:#222}@media(max-width:640px){.ba{grid-template-columns:1fr;gap:8px}.ba-arrow{transform:rotate(90deg);justify-self:center;font-size:24px;line-height:1;padding:0}.ba-col{padding:14px}.ba-tag{font-size:18px}}.proof{margin-top:18px}.reply-hero.is-done .proof{display:none}.proof-label{margin:0 0 8px;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted,#6b7280)}.proof-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.proof-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;background:#fff;border:1px solid var(--border,#e5e7eb);color:inherit;text-decoration:none;min-width:0}.proof-item img{width:36px;height:36px;border-radius:9px;flex:0 0 36px;object-fit:cover}.proof-item span{display:flex;flex-direction:column;font-size:12.5px;line-height:1.3;color:var(--text-muted,#6b7280);min-width:0}.proof-item strong{font-size:14px;color:#111}@media(max-width:640px){.proof-row{grid-template-columns:1fr}}.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-top:1px solid var(--border,#e5e7eb)}.sticky-cta[hidden]{display:none}.sticky-cta .btn-primary{width:100%;min-height:50px;font-size:17px}@media(min-width:641px){.sticky-cta{display:none!important}}