:root {
  --upa-blue:#1f52a2;
  --upa-blue-dark:#173f7f;
  --upa-blue-soft:#edf4ff;
  --upa-bg:#f5f8fc;
  --upa-card:#fff;
  --upa-ink:#10233f;
  --upa-heading:#0b1830;
  --upa-muted:#596b82;
  --upa-line:#dce5ef;
  --upa-line-strong:#cbd8e6;
  --upa-radius:14px;
  --upa-shadow:0 12px 30px rgba(15,42,78,.07);
  --upa-shadow-sm:0 3px 10px rgba(15,42,78,.05);
  --upa-font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
.upa-product {color:var(--upa-ink);font-family:var(--upa-font);background:radial-gradient(circle at top right,rgba(31,82,162,.045),transparent 34rem),var(--upa-bg)}
.upa-product :focus-visible {outline:3px solid var(--upa-blue);outline-offset:3px}
.upa-topbar {box-sizing:border-box;display:flex;align-items:center;gap:24px;min-height:104px;padding:4px 28px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--upa-line);box-shadow:0 1px 0 rgba(16,35,63,.02);font:14px/1.4 var(--upa-font)}
.upa-identity {display:flex;align-items:center;gap:18px;flex-shrink:0;text-decoration:none!important;color:var(--upa-heading)!important}
.upa-identity img {display:block;width:184px;height:92px;object-fit:contain}
.upa-product-name {display:block;border-left:1px solid var(--upa-line);padding-left:20px;font-size:17px;font-weight:750;letter-spacing:-.025em;white-space:nowrap}
.upa-product-name>span {display:block;color:var(--upa-muted);font-size:11px;font-weight:500;letter-spacing:0;margin-top:3px}
.upa-navigation {display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:5px;flex:1;margin:0!important;padding:0;border:0}
.upa-navigation a {display:block;border:1px solid transparent;border-radius:9px;padding:10px 14px;color:var(--upa-muted);font-size:13px;font-weight:650;text-decoration:none;white-space:nowrap}
.upa-navigation a:hover {color:var(--upa-blue);background:var(--upa-blue-soft)}
.upa-navigation a[aria-current=page] {background:var(--upa-blue-soft);color:var(--upa-blue);border-color:#d7e5fa}
.upa-access-label {display:inline-block;white-space:nowrap;padding:6px 10px;border:1px solid var(--upa-line);border-radius:999px;background:#f1f4f8;color:#506176;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
body.upa-document {margin:0;padding:0;min-height:100vh;font-size:16px;line-height:1.55}
.upa-document>main {max-width:960px;margin:28px auto 44px;padding:28px;background:var(--upa-card);border:1px solid var(--upa-line);border-radius:var(--upa-radius);box-shadow:var(--upa-shadow-sm)}
.upa-document main h1 {color:var(--upa-heading);font-size:28px;line-height:1.2;letter-spacing:-.025em}
.upa-document main h2,.upa-document main h3 {color:var(--upa-heading)}
.upa-document main a {color:var(--upa-blue)}
.upa-document main>nav {font-size:14px;border-bottom:1px solid var(--upa-line);padding-bottom:16px;margin-bottom:22px}
.upa-document main p,.upa-document main li,.upa-document main dd,.upa-document main code {overflow-wrap:anywhere}
.upa-document main .muted,.upa-document main small,.upa-document main dt {color:var(--upa-muted)}
.upa-document main label {color:var(--upa-ink);font-weight:650}
.upa-document main input:not([type=hidden]):not([type=checkbox]):not([type=radio]),.upa-document main select,.upa-document main textarea {font-family:var(--upa-font);color:var(--upa-ink);background:#fff;border:1px solid var(--upa-line-strong);border-radius:9px;max-width:100%}
.upa-document main input:not([type=hidden]):not([type=checkbox]):not([type=radio]):focus,.upa-document main select:focus,.upa-document main textarea:focus {border-color:#77afe4;box-shadow:0 0 0 3px rgba(31,82,162,.10)}
.upa-document main button {font-family:var(--upa-font);border-radius:9px;min-height:46px;cursor:pointer}
.upa-document main button:disabled {cursor:not-allowed;opacity:.55}
.upa-sylvia main button,.upa-settings main button {background:var(--upa-blue);color:#fff;border-color:var(--upa-blue)}
.upa-sylvia main button:hover:not(:disabled),.upa-settings main button:hover:not(:disabled) {background:var(--upa-blue-dark);border-color:var(--upa-blue-dark)}
.upa-document main .notice {border-radius:8px;color:#714b12}
.upa-document main pre {border-radius:8px}
.upa-document main article {border-color:var(--upa-line)}
.upa-sylvia .sylvia-header {padding-bottom:20px;border-bottom:1px solid var(--upa-line)}
.upa-sylvia .sylvia-header p {color:var(--upa-blue);font-size:11px;font-weight:750;letter-spacing:.09em}
.upa-sylvia .assistant-message {padding:20px 0}
.upa-sylvia .assistant-message strong {color:var(--upa-blue)}
.upa-sylvia .assistant-message pre {line-height:1.65}
@media(max-width:1000px) {
  .upa-topbar {gap:14px;padding:6px 18px;flex-wrap:wrap}
  .upa-navigation {justify-content:flex-end}
  .upa-access-label {display:none}
  .upa-document>main {margin:22px 18px 36px}
}
@media(max-width:680px) {
  .upa-topbar {padding:0 16px 12px;gap:0;min-height:0}
  .upa-identity {gap:10px;width:100%}
  .upa-identity img {width:144px;height:72px}
  .upa-product-name {font-size:15px;padding-left:12px}
  .upa-product-name>span {font-size:10px}
  .upa-navigation {width:100%;justify-content:flex-start;gap:4px}
  .upa-navigation a {padding:9px 12px;font-size:12px}
  .upa-document>main {margin:16px 10px 28px;padding:20px 16px}
  .upa-document main h1 {font-size:25px}
}
@media(prefers-reduced-motion:reduce) {
  .upa-product * {scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}

/* Actual pending request feedback; the existing native POST owns execution. */
.upa-sylvia .sylva-progress { display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin:18px 0; padding:16px; border:1px solid #cbdced; border-radius:10px; background:#edf4ff; color:#244b78; font-weight:650; }
.upa-sylvia .sylva-progress[hidden] { display:none; }
.sylva-progress [hidden] { display:none; }
.sylva-working-dots { display:inline-flex; gap:4px; flex-shrink:0; }
.sylva-working-dots i { display:block; width:7px; height:7px; border-radius:50%; background:currentColor; animation:sylva-working-dot 1.2s ease-in-out infinite; }
.sylva-working-dots i:nth-child(2) { animation-delay:.15s; }.sylva-working-dots i:nth-child(3) { animation-delay:.3s; }
[data-sylva-working=true] .sylvia-mascot { animation:sylva-working-pulse 2s ease-in-out infinite; }
@keyframes sylva-working-dot { 0%,80%,100% { opacity:.35; transform:translateY(0); } 40% { opacity:1; transform:translateY(-3px); } }
@keyframes sylva-working-pulse { 50% { box-shadow:0 0 0 7px rgba(31,82,162,.12); } }
@media(prefers-reduced-motion:reduce) { .sylva-working-dots i,[data-sylva-working=true] .sylvia-mascot { animation:none; } }
.sylva-message-heading{display:flex;align-items:baseline;gap:8px 16px;flex-wrap:wrap}
.sylva-message-time{font-size:13px;color:#596b82}
.sylva-conversation-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:16px 0}
.sylva-conversation-tools p{margin:0;font-size:13px}.sylva-conversation-tools a{display:inline-block;padding:10px 0;min-height:44px}
.sylva-response-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.upa-sylvia .sylva-response-tools button{width:auto;margin:0;min-height:44px;padding:8px 14px;background:#edf4ff;color:#1f52a2;border:1px solid #cbdced}
.sylva-response-tools [role=status]{font-size:13px;color:#596b82}
.upa-sylvia [data-sylva-thread] article{scroll-margin-top:20px}
.sylva-email-to{width:100%;padding:12px;font:inherit;min-height:48px;border:1px solid #9eafb9;border-radius:6px}