/* BHS IA v4.3 — Compact Chat + Learning Loop */
:root{--v43-content:820px}

/* Densidade geral: mais conversa visível sem perder legibilidade */
.sidebar{width:272px!important;flex-basis:272px!important}
.sidebar-top{padding:14px 14px 11px!important;gap:10px!important}
.brand.small{font-size:17px!important}
.premium-action{padding:9px 12px!important;font-size:12px!important}
.conversation-search{min-height:36px!important}
.side-section-title{padding:11px 14px 5px!important;font-size:9px!important}
.conversation-list{padding:3px 8px 8px!important;max-height:42vh!important}
.conversation{padding:8px 9px!important;font-size:11.5px!important}
.sidebar-bottom{padding:10px!important}
.account-card{padding:6px!important}
.avatar{width:30px!important;height:30px!important;border-radius:9px!important}
.user-email{font-size:10px!important}.model{font-size:8px!important}
.public-note{margin:9px 10px 0!important;padding:9px!important}
.public-account-actions{gap:6px!important;margin-top:7px!important}
.account-login,.account-create{min-height:32px!important;font-size:9.5px!important}

/* Topbar: uma linha real, sem controles escapando da viewport */
.chat-main{min-height:0!important;overflow:hidden!important}
.topbar{
  height:54px!important;flex:0 0 54px!important;min-height:54px!important;
  padding:0 16px!important;gap:10px!important;overflow:hidden!important;
}
.topbar-left{flex:1 1 auto!important;min-width:120px!important;overflow:hidden!important}
.topbar-left>div{min-width:0!important}
.topbar strong{font-size:12px!important;max-width:220px!important}
.topbar .eyebrow{font-size:7px!important;margin-bottom:0!important}
.topbar-tools{
  flex:0 1 auto!important;min-width:0!important;max-width:calc(100% - 150px)!important;
  display:flex!important;align-items:center!important;justify-content:flex-end!important;
  flex-wrap:nowrap!important;gap:5px!important;overflow:hidden!important;
}
.v3-runtime-bar{display:flex!important;align-items:center!important;gap:0!important;margin:0!important;flex-wrap:nowrap!important}
.v3-runtime-bar #v3Web,.v3-runtime-bar #v3Runtime{display:none!important}
.v3-pill{padding:5px 7px!important;font-size:8.5px!important}
.v3-pill .v3-dot{width:5px!important;height:5px!important}
.topbar-login{padding:6px 8px!important;font-size:9px!important;border-radius:8px!important}
.web-switch span{padding:6px 8px!important;font-size:9px!important;border-radius:8px!important;white-space:nowrap!important}
.bhs-agent-switch span{padding:6px 8px!important;font-size:9px!important;white-space:nowrap!important}
.mode-wrap{gap:4px!important;font-size:9px!important;min-width:0!important}
.mode-wrap>span{display:none!important}
.mode-wrap select{
  min-width:94px!important;max-width:116px!important;
  padding:6px 23px 6px 8px!important;border-radius:8px!important;font-size:9.5px!important;
}
.tool-state{padding:5px 7px!important;font-size:8.5px!important;white-space:nowrap!important;max-width:150px!important;overflow:hidden!important;text-overflow:ellipsis!important}

/* Conversa: remove o grande vazio de 180px da v4.2 */
.messages{
  flex:1 1 auto!important;min-height:0!important;overflow-y:auto!important;
  padding:16px max(18px,calc((100% - var(--v43-content))/2)) 14px!important;
  scroll-padding-bottom:18px!important;
}
.msg{margin:6px 0!important;padding:0!important}
.message-wrap{max-width:min(var(--v43-content),91%)!important}
.msg.user .message-wrap{max-width:min(680px,82%)!important}
.bubble{font-size:13px!important;line-height:1.53!important}
.msg.assistant .bubble{
  max-width:100%!important;padding:4px 0!important;font-size:13px!important;line-height:1.58!important;
}
.msg.user .bubble{padding:9px 12px!important;border-radius:15px 15px 5px 15px!important}
.message-actions{margin-top:2px!important;min-height:18px!important}
.message-actions button{font-size:9px!important;padding:3px 6px!important}
.markdown-body p{margin:.28em 0!important}
.markdown-body ul,.markdown-body ol{margin:.34em 0 .46em!important;padding-left:1.3em!important}
.markdown-body li{margin:.12em 0!important}
.markdown-body h1{font-size:1.28em!important;margin:.72em 0 .28em!important}
.markdown-body h2{font-size:1.16em!important;margin:.68em 0 .26em!important}
.markdown-body h3{font-size:1.06em!important;margin:.62em 0 .24em!important}
.markdown-body pre{margin:.5em 0!important;font-size:12px!important}
.markdown-body blockquote{margin:.45em 0!important}

/* Home vazia também mais compacta */
.empty-state{width:min(var(--v43-content),94%)!important;padding:2vh 0 3vh!important}
.empty-signature{margin-bottom:16px!important;font-size:12px!important}
.empty-kicker{font-size:8px!important}
.empty-state h1{margin:9px 0 12px!important;font-size:clamp(34px,5vw,58px)!important;line-height:.96!important}
.empty-state>p{font-size:12.5px!important;line-height:1.6!important;max-width:620px!important}
.quick-grid{gap:7px!important;margin-top:20px!important;max-width:700px!important}
.quick{min-height:68px!important;padding:11px 13px!important;border-radius:12px!important}
.quick strong{font-size:10.5px!important}.quick span{font-size:9px!important}

/* Composer fica no fluxo, sem sobrepor chat e sem ocupar 160px */
.composer{
  flex:0 0 auto!important;position:relative!important;bottom:auto!important;
  padding:4px max(18px,calc((100% - var(--v43-content))/2)) 6px!important;
  background:linear-gradient(180deg,rgba(6,12,9,.45),#060c09 26%)!important;
}
.v3-tool-timeline{
  min-height:18px!important;height:18px!important;gap:5px!important;padding:0 3px!important;
  margin:0 0 2px!important;font-size:8px!important;overflow:hidden!important;
}
.v3-tool-step{gap:4px!important}.v3-tool-step i{width:5px!important;height:5px!important}
.v3-tool-arrow{font-size:9px!important}
.composer-shell{
  width:100%!important;max-width:var(--v43-content)!important;margin:0 auto!important;
  border-radius:15px!important;padding:6px 8px 5px!important;
  box-shadow:0 12px 34px rgba(0,0,0,.24)!important;
}
.composer textarea#messageInput{
  min-height:34px!important;max-height:104px!important;padding:5px 6px 2px!important;
  font-size:13px!important;line-height:1.42!important;
}
.composer-actions{padding:2px 1px 0!important;gap:8px!important}
.composer-left-actions{gap:7px!important}
.attach-btn{font-size:9.5px!important;padding:6px 8px!important}
.composer-meta{font-size:8.5px!important;gap:5px!important}
.status-dot{width:5px!important;height:5px!important}
.send-btn{min-width:78px!important;padding:8px 11px!important;border-radius:10px!important;font-size:11px!important}
.stop-btn{padding:7px 10px!important;font-size:10px!important}
.composer-disclaimer{margin:3px auto 0!important;font-size:7.5px!important;line-height:1.2!important}
.v3-composer-hints{display:none!important}
.safe-area{height:env(safe-area-inset-bottom)!important}

/* Feedback de aprendizado */
.v43-feedback{display:inline-flex;align-items:center;gap:3px;margin-left:3px}
.v43-feedback button{
  border:0!important;background:transparent!important;color:#64756b!important;
  padding:3px 5px!important;border-radius:6px!important;font-size:11px!important;line-height:1!important;
}
.v43-feedback button:hover,.v43-feedback button.active{color:#d8bd7c!important;background:rgba(208,161,60,.07)!important}
.v43-feedback-editor{
  margin:6px 0 2px;padding:8px;border:1px solid rgba(208,161,60,.14);
  border-radius:10px;background:rgba(255,255,255,.018);display:grid;gap:6px;
}
.v43-feedback-editor select,.v43-feedback-editor textarea{
  width:100%;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:#09120e;color:#dfe6e0;
  padding:7px 8px;font-size:10px;outline:none;
}
.v43-feedback-editor textarea{min-height:54px;resize:vertical}
.v43-feedback-editor-actions{display:flex;justify-content:flex-end;gap:6px}
.v43-feedback-editor-actions button{border:1px solid rgba(255,255,255,.08)!important;background:#0d1812!important;color:#dfe7e0!important}
.v43-feedback-editor-actions .save{border-color:rgba(208,161,60,.25)!important;color:#e4c87f!important}
.v43-feedback-saved{font-size:8px;color:#789989;margin-left:4px}

@media(max-width:1180px){
  .v3-runtime-bar{display:none!important}
  .topbar strong{max-width:170px!important}
}
@media(max-width:920px){
  .sidebar{width:260px!important;flex-basis:260px!important}
  .messages{padding-left:16px!important;padding-right:16px!important}
  .composer{padding-left:12px!important;padding-right:12px!important}
}
@media(max-width:780px){
  .sidebar{width:min(292px,86vw)!important;flex-basis:auto!important}
  .topbar{height:52px!important;flex-basis:52px!important;padding:0 10px!important}
  .topbar-tools{max-width:68%!important}
  .web-switch span{font-size:0!important;padding:7px!important}
  .web-switch span:after{content:"Web";font-size:9px!important}
  .mode-wrap select{min-width:78px!important;max-width:90px!important}
  .messages{padding:12px 12px 10px!important}
  .message-wrap{max-width:95%!important}
  .composer{padding:4px 8px calc(5px + env(safe-area-inset-bottom))!important}
  .composer-disclaimer{display:none!important}
}