:root{--stv-bg:#f7f7f8;--stv-sidebar:#f1f1f3;--stv-panel:#fff;--stv-text:#111827;--stv-muted:#6b7280;--stv-line:#e5e7eb;--stv-shadow:0 12px 38px rgba(15,23,42,.08)}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--stv-bg);color:var(--stv-text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}.stv-layout{min-height:100vh;display:flex}.stv-sidebar,.stv-chat-sidebar{width:276px;background:var(--stv-sidebar);border-right:1px solid #e4e4e7;padding:12px;display:flex;flex-direction:column;gap:10px}.stv-side-brand{display:flex;gap:9px;align-items:center;padding:8px}.stv-side-brand span,.stv-brand-dot{display:grid;place-items:center;width:28px;height:28px;border-radius:10px;background:#111827;color:#fff;font-weight:800;font-size:11px}.stv-new-chat,.stv-new-chat-btn,.stv-side-section{border:0;border-radius:14px;background:rgba(255,255,255,.6);padding:10px 12px;color:#6b7280;font-size:13px}.stv-new-chat{color:#111827;text-align:left;cursor:pointer}.stv-section-head{display:flex;justify-content:space-between;align-items:center}.stv-chat-session-list{display:flex;flex-direction:column;gap:6px;max-height:34vh;overflow:auto}.stv-session-item{display:grid;gap:2px;width:100%;border:0;background:transparent;border-radius:11px;padding:8px;text-align:left;cursor:pointer}.stv-session-item:hover,.stv-session-item.is-active{background:#fff}.stv-session-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stv-session-item small,.stv-empty-sessions{color:#94a3b8;font-size:11px}.stv-session-note{margin:0 auto 18px;max-width:720px;border:1px solid var(--stv-line);border-radius:18px;background:#fff;padding:12px 14px;color:#64748b;font-size:13px;display:grid;gap:4px}.stv-session-note b{color:#111827;font-size:14px}.stv-session-note span{overflow-wrap:anywhere}.stv-app-shell{min-height:100vh;display:flex;flex-direction:column;flex:1;min-width:0}.stv-topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:9px;width:min(930px,100%);margin:0 auto;padding:12px 18px 6px;background:linear-gradient(180deg,var(--stv-bg),rgba(247,247,248,.9));font-size:13px}.stv-mobile-menu{display:none;border:0;background:transparent;font-size:20px}.stv-brand-dot{width:24px;height:24px;border-radius:9px;font-size:11px}.stv-model-pill{margin-left:auto;border:1px solid var(--stv-line);border-radius:999px;padding:4px 9px;background:#fff;color:#64748b;font-size:11px}.stv-domain-picker{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border:0!important;border-radius:999px;background:rgba(255,255,255,.72);font-size:12px;color:#64748b;max-width:220px}.stv-domain-picker select{border:0;background:transparent;max-width:130px;outline:0}.stv-conversation{width:min(930px,100%);margin:0 auto;flex:1;padding:28px 20px 214px}.stv-message{display:flex;margin:18px 0}.stv-message.is-user{justify-content:flex-end}.stv-bubble{max-width:min(760px,94%);border-radius:22px;padding:13px 16px;line-height:1.62;font-size:15.5px;white-space:pre-wrap;overflow-wrap:anywhere}.is-user .stv-bubble{background:#111827;color:#fff;border-bottom-right-radius:7px}.is-assistant .stv-bubble{background:transparent;padding-left:0;max-width:min(840px,100%)}.stv-answer-block{margin:0 0 14px;line-height:1.68}.stv-bottom-panel{position:fixed;left:276px;right:0;bottom:0;padding:10px 12px 14px;background:linear-gradient(180deg,rgba(247,247,248,0),var(--stv-bg) 24%,var(--stv-bg))}.stv-progress-host{width:min(820px,100%);margin:0 auto 8px;min-height:30px;display:flex}.stv-progress-host:empty{display:none}.stv-progress{display:inline-flex;padding:7px 12px;border-radius:999px;background:linear-gradient(90deg,#eef2ff,#fff,#eef2ff);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:relative;isolation:isolate}.stv-progress::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(255,255,255,0),rgba(255,255,255,.72),rgba(255,255,255,0));transform:translateX(-120%);animation:stvProgressShimmer 1.7s linear infinite}@keyframes stvProgressShimmer{to{transform:translateX(120%)}}.stv-progress-host.has-source .stv-progress{background:linear-gradient(90deg,#ecfeff,#fff,#eef2ff);box-shadow:0 6px 20px rgba(14,165,233,.08)}.stv-composer,.stv-chatgpt-composer{width:min(820px,100%);margin:0 auto;background:var(--stv-panel);border:1px solid var(--stv-line);border-radius:27px;display:flex;align-items:flex-end;gap:8px;padding:10px 10px 10px 16px;box-shadow:var(--stv-shadow)}.stv-composer-main{flex:1;min-width:0}.stv-composer textarea{resize:none;border:0;outline:0;background:transparent;width:100%;max-height:180px;min-height:28px;font:inherit}.stv-attach-btn,.stv-send{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;cursor:pointer;flex:0 0 auto}.stv-attach-btn{position:relative;border:1px solid var(--stv-line);background:#fff}.stv-attach-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}.stv-send{border:0;background:#111827;color:#fff}.stv-send:disabled{opacity:.4}.stv-send.is-stopping{background:#e5e7eb;color:#111827}.stv-send.is-stopping span{font-size:12px;line-height:1}.stv-send.is-stopping:hover{background:#d1d5db}.stv-safe-note{text-align:center;color:#9ca3af;font-size:12px;margin:8px 0 0}.stv-attachment-preview{display:none;margin:0 0 8px}.stv-attachment-preview.has-files{display:block}.stv-attachment-note{font-size:11px;color:#64748b;margin:0 0 6px}.stv-attachment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:7px}.stv-attachment-card{position:relative;min-height:74px;border:1px solid var(--stv-line);border-radius:13px;background:#f8fafc;padding:6px;display:grid;gap:5px;align-items:center;justify-items:center;overflow:hidden}.stv-attachment-card img,.stv-attachment-card video{width:100%;height:54px;object-fit:cover;border-radius:9px}.stv-file-badge{width:48px;height:42px;border-radius:11px;background:#e5e7eb;display:grid;place-items:center;font-size:11px;font-weight:800}.stv-attachment-card span{max-width:100%;font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stv-attachment-card button{position:absolute;right:4px;top:4px;width:20px;height:20px;border:0;border-radius:50%;background:rgba(15,23,42,.72);color:#fff}.stv-early-assessment.is-compact{display:block;margin:0 0 14px;padding:0;color:#111827;font-size:15.5px;line-height:1.68}.stv-early-assessment.is-compact::before{content:none!important}.stv-answer-chunk{position:relative;max-width:100%;overflow-wrap:anywhere}.stv-answer-chunk p{margin:.32em 0 .9em}.stv-answer-chunk a{color:#155eef;text-decoration:none;border-bottom:1px solid rgba(21,94,239,.22)}.stv-answer-chunk a:hover{text-decoration:underline}.stv-answer-chunk-table{margin:12px 0 16px}.stv-table-scroll{overflow-x:auto;border:1px solid var(--stv-line);border-radius:14px;background:#fff}.stv-md-table{width:100%;border-collapse:separate;border-spacing:0;min-width:520px;font-size:14px;white-space:normal}.stv-md-table th,.stv-md-table td{padding:10px 12px;border-bottom:1px solid var(--stv-line);vertical-align:top;text-align:left}.stv-md-table th{background:#f8fafc;font-weight:700}.stv-md-table tr:last-child td{border-bottom:0}.stv-code-block{background:#0f172a;color:#e5e7eb;border-radius:15px;padding:13px 14px;overflow:auto;white-space:pre;font-size:13px;line-height:1.55}.stv-code-block code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.stv-block-source-icons{display:inline-flex!important;align-items:center;gap:3px;margin-left:7px;padding:1px 4px;border:0;background:transparent;border-radius:999px;vertical-align:middle;opacity:.6;cursor:pointer}.stv-block-source-icons:hover{opacity:.9;background:#f1f5f9}.stv-source-logo{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#e5e7eb;font-size:10px;font-weight:700}.stv-source-more{font-size:11px;color:#64748b;margin-left:2px}.stv-source-stack{display:inline-flex;align-items:center;gap:2px}.stv-answer-footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:14px 0 0;padding-top:10px;border-top:1px solid var(--stv-line)}.stv-source-list-summary{font-size:12px;color:#64748b;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--stv-line);background:#fff;border-radius:999px;padding:6px 10px;cursor:pointer;position:relative;z-index:1;max-width:100%;white-space:nowrap}.stv-action-bar{display:inline-flex!important;gap:10px!important;position:relative;z-index:2;flex-shrink:0}.stv-action-bar button{width:30px;height:30px;border:1px solid var(--stv-line);border-radius:999px;background:#fff;cursor:pointer}.stv-source-popup{margin:12px 0 0;border:1px solid var(--stv-line);background:#fff;border-radius:18px;box-shadow:var(--stv-shadow);padding:12px;max-width:min(680px,100%);white-space:normal}.stv-source-popup-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}.stv-source-popup-head button{border:0;background:#f1f5f9;border-radius:999px;width:28px;height:28px;cursor:pointer}.stv-source-popup-item{border-top:1px solid #eef2f7;padding:10px 0}.stv-source-popup-item:first-of-type{border-top:0}.stv-source-domain{font-size:11px;color:#64748b;text-transform:lowercase}.stv-source-title{font-weight:700;margin:2px 0}.stv-source-popup-item p{margin:4px 0;color:#475569;font-size:13px}.stv-source-popup-item a{font-size:13px;color:#155eef}.stv-media-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:14px 0}.stv-media-gallery img,.stv-media-gallery video,.stv-media-gallery iframe{width:100%;min-height:130px;max-height:280px;object-fit:cover;border:1px solid var(--stv-line);border-radius:16px;background:#fff}.stv-media-gallery iframe{aspect-ratio:16/9;min-height:190px}.sr-only,.stv-sr-only{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important}.stv-mobile-scrim{display:none}@media(max-width:860px){.stv-sidebar,.stv-chat-sidebar{position:fixed;z-index:40;inset:0 auto 0 0;transform:translateX(-105%);transition:transform .18s ease;width:min(286px,86vw);box-shadow:var(--stv-shadow)}body.stv-sidebar-open .stv-sidebar{transform:translateX(0)}body.stv-sidebar-open .stv-mobile-scrim{display:block;position:fixed;inset:0;z-index:35;background:rgba(15,23,42,.28)}.stv-mobile-menu{display:inline-grid;place-items:center}.stv-bottom-panel{left:0}.stv-model-pill{display:none}}@media(max-width:640px){.stv-conversation{padding-left:14px;padding-right:14px;padding-bottom:198px}.stv-bubble{max-width:100%;font-size:15px}.stv-domain-picker{max-width:150px}.stv-domain-picker span{display:none}.stv-attachment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stv-progress{max-width:96vw}.stv-answer-footer{align-items:flex-start}.stv-source-list-summary{order:1;width:100%;justify-content:flex-start}.stv-action-bar{order:2}.stv-source-popup{position:fixed;left:8px;right:8px;bottom:8px;z-index:60;max-height:72vh;overflow:auto;border-radius:22px}.stv-md-table{min-width:480px}.stv-media-gallery{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* A23 source role labels in source popup */
.stv-source-role-badge{display:inline-flex;align-items:center;border:1px solid var(--stv-line);border-radius:999px;background:#f8fafc;color:#475569;font-size:11px;padding:2px 7px;margin:3px 0 2px;white-space:nowrap}.stv-source-popup-item .stv-source-role-badge{max-width:100%}

/* A32: progress lives under latest answer chunk while streaming; source logos stack faintly after each paragraph. */
.is-assistant .stv-bubble > .stv-progress-host{width:100%;margin:2px 0 14px;min-height:28px;display:flex;justify-content:flex-start}.is-assistant .stv-bubble > .stv-progress-host:empty{display:none}.is-assistant .stv-bubble > .stv-progress-host .stv-progress{max-width:min(100%,820px);white-space:normal}
.stv-block-source-icons{margin-left:8px;opacity:.48;transform:translateY(2px);transition:opacity .15s ease,background .15s ease}.stv-block-source-icons:hover{opacity:.9}.stv-block-source-icons .stv-source-logo{margin-left:-7px;border:1px solid rgba(255,255,255,.88);box-shadow:0 1px 5px rgba(15,23,42,.12);background-color:#e5e7eb;background-position:center;background-repeat:no-repeat;background-size:cover}.stv-block-source-icons .stv-source-logo:first-child{margin-left:0}.stv-inline-media{display:block;max-width:min(100%,720px);max-height:420px;margin:10px 0;border:1px solid var(--stv-line);border-radius:16px;background:#fff;object-fit:contain}.stv-answer-chunk-text code{background:#f1f5f9;border-radius:6px;padding:1px 5px;font-size:.94em}.stv-answer-chunk-text strong{font-weight:750}.stv-answer-chunk-text em{font-style:italic}.stv-answer-chunk-text u{text-underline-offset:3px}

/* A38: one faint domain logo per answer chunk; block popup is scoped to that chunk, summary popup is global. */
.stv-block-source-icons{gap:0;margin-left:8px;opacity:.52;filter:saturate(.9);background:transparent!important}
.stv-block-source-icons:hover{opacity:.88;background:rgba(241,245,249,.8)!important}
.stv-source-logo{background-position:center;background-repeat:no-repeat;background-size:cover;color:rgba(15,23,42,.42);text-shadow:0 1px 0 rgba(255,255,255,.65);overflow:hidden}
.stv-block-source-icons .stv-source-logo,.stv-source-stack .stv-source-logo{width:19px;height:19px;margin-left:-7px;border:1px solid rgba(255,255,255,.9);box-shadow:0 1px 5px rgba(15,23,42,.13);opacity:.76}
.stv-block-source-icons .stv-source-logo:first-child,.stv-source-stack .stv-source-logo:first-child{margin-left:0}
.stv-source-popup.is-block-sources{margin:8px 0 10px 0;border-style:solid;background:rgba(255,255,255,.98)}
.stv-source-popup.is-summary{margin-top:12px}

/* A42: source logo displays either favicon image OR fallback letter, never both. */
.stv-source-logo.has-logo{font-size:0;color:transparent;text-shadow:none;background-color:#fff}
.stv-source-logo.has-letter{background-image:none!important;font-size:10px;color:rgba(15,23,42,.72)}


/* A68: ChatGPT-like stop button while SSE is streaming. */
.stv-send.is-stopping{background:#e5e7eb;color:#111827}.stv-send.is-stopping span{font-size:12px;line-height:1}.stv-send.is-stopping:hover{background:#d1d5db}

/* A70: mobile Enter creates a new line; the visible send/stop button controls submit/stop. */
@media(max-width:760px){.stv-composer textarea{min-height:34px}.stv-send{width:38px;height:38px}.stv-safe-note::after{content:" · Enter xuống dòng"}}

/* A86 — public-safe AwAI participation chip */
.stv-progress-host.has-awai .stv-progress{opacity:.92}
.stv-awai-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  max-width:100%;
  margin-top:8px;
  padding:5px 9px;
  border-radius:999px;
  font-size:12px;
  line-height:1.35;
  opacity:.86;
  border:1px solid rgba(120,120,120,.22);
  background:rgba(120,120,120,.08);
  word-break:break-word;
}
.stv-awai-chip--active{opacity:.92}
.stv-awai-chip--fallback,.stv-awai-chip--safe{opacity:.78}
@media (max-width:640px){.stv-awai-chip{font-size:11px;white-space:normal}}

/* A88 — merge public progress into exactly one AwAI status chip */
.stv-progress-host.is-merged,
.stv-progress-host.is-merged:empty{display:none!important}
.is-assistant .stv-bubble>.stv-progress-host,
.is-assistant .stv-bubble>.stv-progress{display:none!important}
.stv-awai-status-slot{display:flex;align-items:center;gap:8px;min-height:28px;margin:4px 0 12px;max-width:100%;overflow:hidden}
.stv-awai-status-slot:empty{display:none!important}
.stv-awai-status-slot .stv-awai-chip{display:inline-flex;align-items:center;max-width:min(100%,820px);min-height:28px;padding:6px 12px;border-radius:999px;border:0!important;background:#fff;color:#475569;font-size:12px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:relative;isolation:isolate;box-shadow:none!important;margin:0}
.stv-awai-status-slot .stv-awai-chip--active{background:linear-gradient(90deg,rgba(238,242,255,.72),rgba(255,255,255,.88),rgba(238,242,255,.72));border:0!important;box-shadow:none!important;color:#334155}
.stv-awai-status-slot .stv-awai-chip--fallback,
.stv-awai-status-slot .stv-awai-chip--safe{background:#f8fafc;border:0!important;box-shadow:none!important;color:#64748b}
.stv-awai-status-slot .stv-awai-chip.is-progressing::before{content:"";position:absolute;inset:0;transform:translateX(-120%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.62),transparent);animation:stvAwaiChipSweep 1.8s ease-in-out infinite;pointer-events:none;z-index:-1}
.stv-awai-status-slot .stv-awai-chip.is-done::before{content:none;animation:none}
@keyframes stvAwaiChipSweep{0%{transform:translateX(-120%)}70%,100%{transform:translateX(120%)}}
@media(max-width:640px){.stv-awai-status-slot{margin:2px 0 10px}.stv-awai-status-slot .stv-awai-chip{max-width:100%;font-size:11px;padding:5px 10px}}

/* a94-hide-done-chip: final answer visible => working progress/chip hidden */
.stv-awai-chip.is-done,.stv-awai-status-slot.is-empty{display:none!important}
.stv-attachment-card.is-uploaded{outline:1px solid rgba(22,163,74,.45)}
.stv-attachment-card.is-error{outline:1px solid rgba(220,38,38,.55)}
.stv-attachment-status{font-size:11px;opacity:.75;margin-top:2px}


/* A102 — AwAI progressing chip is lightweight, no hard border/pill shadow. */
.stv-awai-chip,
.stv-awai-status-slot .stv-awai-chip,
.stv-awai-status-slot .stv-awai-chip--active,
.stv-awai-status-slot .stv-awai-chip--fallback,
.stv-awai-status-slot .stv-awai-chip--safe,
.stv-awai-status-slot .stv-awai-chip.is-progressing{
  border:0!important;
  box-shadow:none!important;
}
.stv-awai-status-slot .stv-awai-chip--active{
  background:linear-gradient(90deg,rgba(238,242,255,.72),rgba(255,255,255,.88),rgba(238,242,255,.72));
}
/* a102_awai_chip_borderless */

/* A110 — ChatGPT-like answer presentation fields */
.stv-answer-heading{font-weight:760;line-height:1.28;margin:1.15em 0 .5em;color:#0f172a}.stv-answer-block h1.stv-answer-heading{font-size:clamp(1.34rem,2.5vw,1.7rem)}.stv-answer-block h2.stv-answer-heading{font-size:clamp(1.18rem,2vw,1.42rem)}.stv-answer-block h3.stv-answer-heading{font-size:clamp(1.06rem,1.6vw,1.22rem)}.stv-answer-block h4.stv-answer-heading{font-size:1.02rem}.stv-answer-list{margin:.5em 0 1em}.stv-answer-list ul,.stv-answer-list ol{margin:.15em 0 .15em 1.25em;padding:0}.stv-answer-list li{margin:.25em 0;line-height:1.65}.stv-task-list{list-style:none!important;margin-left:0!important}.stv-task-list li{display:flex;gap:8px;align-items:flex-start}.stv-task-list input{margin-top:.35em}.stv-answer-quote{margin:.9em 0;padding:.7em 1em;border-left:3px solid #cbd5e1;background:#f8fafc;border-radius:12px;color:#334155}.stv-answer-callout{margin:1em 0;padding:11px 13px;border:1px solid var(--stv-line);border-radius:16px;background:#f8fafc}.stv-answer-callout b{display:block;margin-bottom:4px}.stv-answer-callout p{margin:0}.stv-answer-callout.is-warning,.stv-answer-callout.is-source_gap{background:#fffbeb;border-color:#fde68a}.stv-answer-callout.is-error{background:#fef2f2;border-color:#fecaca}.stv-answer-callout.is-success{background:#f0fdf4;border-color:#bbf7d0}.stv-answer-callout.is-info,.stv-answer-callout.is-note{background:#eff6ff;border-color:#bfdbfe}.stv-answer-code-wrap{margin:12px 0 16px;border-radius:15px;overflow:hidden;background:#0f172a}.stv-answer-code-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 10px;background:#111827;color:#cbd5e1;font-size:12px}.stv-answer-code-copy{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;border-radius:999px;padding:3px 9px;cursor:pointer;font-size:12px}.stv-answer-code-wrap .stv-code-block{margin:0;border-radius:0}.stv-answer-image{margin:12px 0}.stv-answer-image img{display:block;max-width:100%;max-height:460px;object-fit:contain;border:1px solid var(--stv-line);border-radius:16px;background:#fff}.stv-answer-image figcaption{font-size:12px;color:#64748b;margin-top:6px}.stv-answer-html-safe{overflow-wrap:anywhere}.stv-answer-html-safe table{width:100%;border-collapse:collapse}.stv-answer-html-safe th,.stv-answer-html-safe td{border:1px solid var(--stv-line);padding:8px}.stv-answer-markdown s,.stv-answer-chunk-text s{text-decoration-thickness:1.5px}.stv-answer-heading--soft{font-weight:720}
@media(max-width:640px){.stv-answer-heading{margin-top:1em}.stv-answer-code-head{position:sticky;top:0}.stv-answer-image img{max-height:330px}}
/* a110_answer_presentation_contract */

/* A111 renderer/multimodal/deep research */
.stv-answer-file-summary{border:1px solid rgba(148,163,184,.28);border-radius:14px;padding:10px 12px;margin:8px 0;background:rgba(148,163,184,.08)}
.stv-answer-file-summary ul{margin:.4rem 0 0 1.2rem;padding:0}
.stv-answer-file-summary li{margin:.25rem 0}
.stv-md-table{border-collapse:collapse;width:100%;font-size:.95em}
.stv-md-table th,.stv-md-table td{border:1px solid rgba(148,163,184,.32);padding:8px;vertical-align:top}
.stv-md-table th{font-weight:650;background:rgba(148,163,184,.12)}
.stv-table-scroll{overflow-x:auto;max-width:100%}
.stv-answer-code-copy{float:right;border:0;border-radius:8px;padding:4px 8px;cursor:pointer}


/* A119 answer presentation guard: preserve readable markdown blocks without forcing raw whitespace. */
.stv-answer-body,
.stv-chat-answer,
.stv-message-content,
.stv-answer-block {
  white-space: normal;
  overflow-wrap: anywhere;
  line-height: 1.65;
}
.stv-answer-block p,
.stv-answer-chunk-text p {
  margin: 0.65rem 0;
}
.stv-answer-block ul,
.stv-answer-block ol,
.stv-answer-list ul,
.stv-answer-list ol {
  margin: 0.65rem 0 0.65rem 1.25rem;
  padding-left: 1rem;
}
.stv-answer-block li + li,
.stv-answer-list li + li {
  margin-top: 0.25rem;
}
.stv-answer-chunk-table,
.stv-answer-block table {
  margin: 0.85rem 0;
  max-width: 100%;
}
.stv-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.stv-md-table {
  width: 100%;
  border-collapse: collapse;
  white-space: normal;
}
.stv-md-table th,
.stv-md-table td {
  padding: 0.55rem 0.65rem;
  vertical-align: top;
}
.stv-answer-code-wrap,
.stv-answer-block pre {
  overflow-x: auto;
  margin: 0.85rem 0;
}


/* A121 lightweight ChatGPT-like progress and AwAI status. */
.stv-progress-host{min-height:22px;margin:0 auto 6px;display:flex;align-items:center}
.stv-progress{display:inline-flex;align-items:center;gap:7px;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;color:#6b7280;font-size:13px;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stv-progress::before{content:"";position:static;width:6px;height:6px;border-radius:999px;background:#9ca3af;opacity:.55;animation:stvSoftPulse 1.35s ease-in-out infinite;transform:none}
.stv-progress-host.has-source .stv-progress{background:transparent!important;box-shadow:none!important}
.stv-awai-status-slot{margin:6px 0 10px;min-height:22px}
.stv-awai-chip,.stv-awai-status-slot .stv-awai-chip,.stv-awai-status-slot .stv-awai-chip--active,.stv-awai-status-slot .stv-awai-chip--fallback,.stv-awai-status-slot .stv-awai-chip--safe,.stv-awai-status-slot .stv-awai-chip.is-progressing{display:inline-flex;align-items:center;gap:7px;border:0!important;background:transparent!important;box-shadow:none!important;padding:0!important;color:#6b7280!important;font-size:13px;line-height:1.45;min-height:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stv-awai-chip::before,.stv-awai-status-slot .stv-awai-chip::before{content:"";position:static!important;display:inline-block;width:6px;height:6px;border-radius:999px;background:#9ca3af;opacity:.65;transform:none!important;animation:none;z-index:auto}
.stv-awai-chip.is-progressing::before,.stv-awai-status-slot .stv-awai-chip.is-progressing::before{animation:stvSoftPulse 1.35s ease-in-out infinite!important}
.stv-awai-chip.is-done,.stv-awai-status-slot.is-empty{display:none!important}
@keyframes stvSoftPulse{0%,100%{opacity:.35;transform:scale(.9)}50%{opacity:.9;transform:scale(1)}}
.stv-generated-doc{display:inline-flex;align-items:center;gap:10px;margin:10px 0 16px;padding:8px 10px;border:1px solid var(--stv-line);border-radius:14px;background:#fff;max-width:100%;box-shadow:none}.stv-generated-doc-title{font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stv-generated-doc-link{color:#155eef;text-decoration:none;border-bottom:1px solid rgba(21,94,239,.24)}.stv-generated-doc small{color:#94a3b8}
.stv-answer-chunk-table{clear:both;margin:14px 0 18px}.stv-table-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--stv-line);border-radius:14px;background:#fff}.stv-md-table{border-collapse:separate;border-spacing:0;width:100%;min-width:520px;font-size:14px;white-space:normal}.stv-md-table th,.stv-md-table td{padding:10px 12px;border-bottom:1px solid var(--stv-line);vertical-align:top;text-align:left}.stv-md-table th{background:#f8fafc;font-weight:700}.stv-md-table tr:last-child td{border-bottom:0}

/* A122: ChatGPT-like light status and soft headings. */
.stv-awai-status-slot{margin:6px 0 10px;min-height:22px;background:transparent!important;border:0!important;box-shadow:none!important;padding:0!important}
.stv-awai-chip{display:inline-flex!important;align-items:center;gap:7px;border:0!important;background:transparent!important;box-shadow:none!important;padding:0!important;color:#6b7280!important;font-size:13px!important;line-height:1.45!important}
.stv-awai-chip::before{content:"";width:6px;height:6px;border-radius:999px;background:#9ca3af;opacity:.8;flex:0 0 auto}
.stv-awai-chip.is-progressing::before{animation:stvSoftPulse 1.35s ease-in-out infinite}
@keyframes stvSoftPulse{0%,100%{opacity:.35;transform:scale(.9)}50%{opacity:.9;transform:scale(1)}}

@media(max-width:640px){.stv-answer-block h1.stv-answer-heading{font-size:1.34rem}.stv-answer-block h2.stv-answer-heading{font-size:1.18rem}.stv-answer-block h3.stv-answer-heading{font-size:1.06rem}.stv-answer-block h4.stv-answer-heading{font-size:1.02rem}}

/* A180: public heading renderer uses title/subtitle/minor-title instead of raw stv-answer-heading DOM. */
.stv-answer-title,.stv-answer-subtitle,.stv-answer-minor-title{font-weight:760;line-height:1.28;margin:1.15em 0 .5em;color:#0f172a}
.stv-answer-title{font-size:clamp(1.18rem,2vw,1.42rem)}
.stv-answer-subtitle{font-size:clamp(1.06rem,1.6vw,1.22rem)}
.stv-answer-minor-title{font-size:1.02rem}
@media(max-width:640px){.stv-answer-title{font-size:1.18rem}.stv-answer-subtitle{font-size:1.06rem}.stv-answer-minor-title{font-size:1.02rem}}

/* A181 capability lane: shows real chat pipeline without exposing internal keys. */
.stv-capability-lane{display:flex;flex-wrap:wrap;gap:6px;margin:2px 0 10px}.stv-capability-step{display:inline-flex;align-items:center;border:1px solid rgba(148,163,184,.35);border-radius:999px;background:#fff;padding:5px 9px;font-size:12px;color:#64748b}.stv-capability-step.is-active{border-color:rgba(37,99,235,.35);background:#eff6ff;color:#1d4ed8}.stv-capability-step.is-done{border-color:rgba(16,185,129,.35);background:#ecfdf5;color:#047857}.stv-capability-step.is-degraded{border-color:rgba(245,158,11,.38);background:#fffbeb;color:#92400e}.stv-capability-step.is-pending{opacity:.78}


/* A182: ChatGPT-like realtime SSE. Hide internal capability lane completely. */
.stv-capability-lane,.stv-capability-step{display:none!important;visibility:hidden!important;height:0!important;margin:0!important;padding:0!important;border:0!important;overflow:hidden!important}
.is-assistant .stv-bubble > .stv-progress-host,.is-assistant .stv-bubble > .stv-progress{display:none!important}
.stv-awai-status-slot:empty{display:none!important}
.stv-awai-status-slot .stv-awai-chip{max-width:min(760px,100%);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}


/* A185 image provider media receipt / no-cache generated refs */
.stv-a185-media-card{border:1px solid rgba(148,163,184,.34);border-radius:16px;background:#fff;padding:10px 12px;margin:8px 0;display:grid;gap:7px;font-size:13px;color:#334155}.stv-a185-media-card>b{color:#0f172a}.stv-a185-media-card.is-degraded{background:#fffbeb;border-color:rgba(245,158,11,.35)}.stv-a185-media-card.is-production{background:#ecfdf5;border-color:rgba(16,185,129,.35)}.stv-a185-media-meta{display:flex;gap:6px;flex-wrap:wrap}.stv-a185-media-meta span{border:1px solid rgba(148,163,184,.32);border-radius:999px;padding:3px 7px;background:rgba(255,255,255,.75);font-size:11px}.stv-a185-media-card small{color:#92400e}.stv-a185-media-links{display:flex;gap:6px;flex-wrap:wrap}.stv-a185-media-links a{font-size:12px;text-decoration:none;border:1px solid rgba(37,99,235,.2);border-radius:999px;padding:4px 8px;background:#eff6ff;color:#1d4ed8}.stv-media-gallery-a185{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:10px 0}.stv-media-gallery-a185 .stv-media-item{margin:0;border:1px solid rgba(148,163,184,.28);border-radius:16px;padding:8px;background:#fff;overflow:hidden}.stv-media-gallery-a185 .stv-media-item img,.stv-media-gallery-a185 .stv-media-item video,.stv-media-gallery-a185 .stv-media-item iframe{width:100%;max-height:360px;object-fit:contain;border-radius:12px;background:#f8fafc}.stv-media-gallery-a185 figcaption{margin-top:5px;font-size:11px;color:#64748b}.stv-media-gallery-a185 .is-degraded figcaption{color:#92400e}

.stv-a186-extraction-card{border:1px solid rgba(59,130,246,.25);border-radius:16px;background:#f8fafc;padding:10px 12px;margin:8px 0;display:grid;gap:7px;font-size:12px;color:#334155}.stv-a186-extraction-card.is-degraded{background:#fff7ed;border-color:rgba(249,115,22,.35)}.stv-a186-extraction-card.is-production{background:#f0fdf4;border-color:rgba(34,197,94,.35)}.stv-a186-extraction-list{display:grid;gap:5px}.stv-a186-extraction-list>div{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.stv-a186-extraction-list code{font-size:11px;background:rgba(255,255,255,.75);border:1px solid rgba(148,163,184,.25);border-radius:999px;padding:2px 6px}.stv-a186-extraction-list small{color:#64748b}
/* A190H-3 artifact card: public card only renders after validator/download gate. */
.stv-artifact-card{border-style:solid;background:linear-gradient(180deg,#fff,#f8fafc)}
.stv-artifact-card .stv-generated-doc-link{font-weight:700}