:root{
  --bg:#dfe3e8; --panel:#ffffff; --line:#e6e9ee; --soft:#f1f3f4;
  --fg:#202124; --muted:#5f6368; --accent:#1a73e8; --accent-soft:#e8f0fe;
  --bubble-bot:#f1f3f4; --bubble-user:#d3e3fd; --shadow:0 1px 3px rgba(60,64,67,.15),0 4px 12px rgba(60,64,67,.08);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:"Google Sans","Segoe UI",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--fg);
  display:flex;gap:14px;height:100vh;height:100dvh;padding:14px;overflow:hidden}

/* avatar genérico */
.avatar{flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;user-select:none}

/* ── Sidebar ───────────────────────────── */
#side{width:380px;min-width:330px;background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
#sideHead{padding:18px 20px 6px}
#title{font-size:22px;font-weight:500;color:var(--fg)}
#tabs{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}
#tabs button{flex:none;white-space:nowrap}
#tabs button{border:0;background:var(--soft);color:var(--muted);padding:7px 14px;border-radius:999px;cursor:pointer;font:inherit;font-size:13px;display:flex;align-items:center;gap:6px}
#tabs button.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
#sideBody{flex:1;overflow:auto;padding:8px}
#newBtn{margin:6px 8px 10px;width:calc(100% - 16px);padding:11px;background:var(--accent);color:#fff;border:0;border-radius:999px;cursor:pointer;font:inherit;font-weight:600;box-shadow:0 1px 2px rgba(26,115,232,.4)}

.conv{display:flex;align-items:center;gap:12px;padding:11px 12px;cursor:pointer;border-radius:14px}
.conv:hover{background:var(--soft)}
.conv.active{background:var(--accent-soft)}
.conv .avatar{width:44px;height:44px;font-size:17px}
.conv .mid{flex:1;min-width:0}
.conv .row1{display:flex;align-items:baseline;gap:8px}
.conv .name{font-weight:600;font-size:14px;color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.conv .time{font-size:11px;color:var(--muted);flex:none}
.conv .prev{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.conv.active .name{color:var(--accent)}
.conv .x{opacity:0;color:var(--muted);font-size:13px;padding:2px 4px;border-radius:6px;flex:none}
.conv:hover .x{opacity:.6}
.conv .x:hover{opacity:1;background:#fff;color:#d93025}

/* lista de arquivos */
.fgroup{padding:14px 14px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
.fitem{display:flex;align-items:center;gap:10px;padding:9px 12px;cursor:pointer;border-radius:12px;font-size:14px;color:var(--fg)}
.fitem:hover{background:var(--soft)}
.fitem.active{background:var(--accent-soft);color:var(--accent);font-weight:600}

/* ── Main ──────────────────────────────── */
#main{flex:1;min-width:0;background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.view{display:none;flex:1;flex-direction:column;min-height:0}
.view.active{display:flex}

/* cabeçalho da conversa */
#convHead{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line)}
#convHead .avatar{width:36px;height:36px;font-size:15px}
#convTitleEl{font-weight:600;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#convHead .sub{font-size:12px;color:var(--muted)}

/* chat */
#log{flex:1;overflow:auto;padding:22px 28px;display:flex;flex-direction:column;gap:4px;background:var(--panel)}
#empty{margin:auto;color:var(--muted);font-size:14px;text-align:center}
/* ── tela inicial (landing = nova conversa) ── */
#log .landing{margin:auto;max-width:520px;width:100%;padding:24px 8px;display:flex;flex-direction:column;align-items:center;gap:6px}
.landing-av{width:88px;height:88px;font-size:34px;margin-bottom:10px;box-shadow:var(--shadow)}
.landing-h{font-size:22px;font-weight:500;color:var(--fg)}
.landing-sub{font-size:14px;color:var(--muted);margin-bottom:10px;text-align:center}
.landing-new{border:0;background:var(--accent);color:#fff;border-radius:999px;padding:11px 22px;font:inherit;font-weight:600;cursor:pointer;box-shadow:0 1px 2px rgba(26,115,232,.4)}
.landing-lab{align-self:flex-start;margin:22px 0 6px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
.landing-list{width:100%;display:flex;flex-direction:column;gap:4px}
.landing-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;cursor:pointer;border:1px solid var(--line)}
.landing-item:hover{background:var(--soft)}
.landing-item .avatar{width:40px;height:40px;font-size:16px}
.landing-item .mid{flex:1;min-width:0}
.landing-item .name{font-weight:600;font-size:14px;color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.landing-item .prev{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.landing-ver{margin-top:22px;font-size:11px;color:var(--muted);opacity:.55;letter-spacing:.04em}
/* ── artefatos (preview) ── */
.artview{flex:1;min-height:0;display:flex;flex-direction:column;overflow:auto}
.artbar{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.artbar .name{flex:1;font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.artbar .btn{flex:none;text-decoration:none;font-size:13px;padding:7px 14px}
.artdoc{line-height:1.6;overflow:auto}
.artdoc pre{background:var(--soft);border-radius:10px;padding:12px;overflow:auto;font-size:13px;white-space:pre-wrap;word-break:break-word}
.artimg{max-width:100%;border-radius:10px}
.artframe{flex:1;width:100%;min-height:60vh;border:1px solid var(--line);border-radius:10px;background:#fff}
.msg{max-width:70%;padding:11px 15px;border-radius:18px;line-height:1.55;font-size:14.5px;word-wrap:break-word;margin:3px 0}
.msg.user{align-self:flex-end;background:var(--bubble-user);color:#0b3d91;border-bottom-right-radius:5px}
.msg.assistant{align-self:flex-start;background:var(--bubble-bot);color:var(--fg);border-bottom-left-radius:5px}
.msg .who{font-size:11px;color:var(--muted);margin-bottom:3px;font-weight:600}
.msg.user .who{color:#1a56c4}
.msg pre{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;overflow:auto;margin:6px 0;font-size:13px}
.msg code{background:rgba(0,0,0,.06);padding:1px 5px;border-radius:4px;font-size:.9em;font-family:ui-monospace,monospace}
.msg pre code{background:none;padding:0}
.msg a{color:var(--accent)}
.msg img{max-width:280px;border-radius:12px;display:block;margin-top:6px}
.msg h1,.msg h2,.msg h3{margin:.4em 0;font-size:1.05em}
.msg ul{margin:.3em 0;padding-left:1.4em}
.typing{align-self:flex-start;color:var(--muted);font-size:13px;padding:8px 15px;font-style:italic}
.typing span{animation:blink 1.2s infinite}
@keyframes blink{0%,100%{opacity:.3}50%{opacity:1}}

/* anexos (pré-envio) */
#attachments{display:flex;flex-wrap:wrap;gap:8px;padding:0 22px}
#attachments:not(:empty){padding:12px 22px 0}
.chip{display:flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:6px 10px;font-size:13px}
.chip img{width:32px;height:32px;object-fit:cover;border-radius:6px}
.chip .rm{cursor:pointer;color:var(--muted)}
.chip .rm:hover{color:#d93025}

/* composer estilo Google Chat (pílula) */
#composer{padding:14px 22px 18px}
#bar{display:flex;align-items:flex-end;gap:6px;background:var(--soft);border-radius:24px;padding:6px 8px 6px 6px}
#attachBtn{flex:none;width:40px;height:40px;border-radius:50%;border:0;background:#fff;color:var(--accent);font-size:22px;line-height:1;cursor:pointer;box-shadow:0 1px 2px rgba(60,64,67,.2)}
#attachBtn:disabled{opacity:.5;cursor:not-allowed}
#text{flex:1;border:0;background:none;font:inherit;font-size:14.5px;color:var(--fg);padding:9px 8px;resize:none;max-height:140px;outline:none}
#text::placeholder{color:var(--muted)}
.cbtns{display:flex;align-items:center;gap:2px}
.cbtn{width:38px;height:38px;border-radius:50%;border:0;background:none;color:var(--muted);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center}
.cbtn:hover{background:rgba(0,0,0,.06)}
#sendBtn{width:40px;height:40px;border-radius:50%;border:0;background:var(--accent);color:#fff;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center}
#sendBtn:disabled{background:#c3c7cd;cursor:not-allowed}

/* Editor / Memória */
.pane{flex:1;display:flex;flex-direction:column;min-height:0;padding:20px 24px;gap:12px}
.pane h2{margin:0;font-size:18px;font-weight:500}
.pane .hint{color:var(--muted);font-size:13px}
#editor{flex:1;font-family:ui-monospace,monospace;font-size:13px;background:#fff;color:var(--fg);border:1px solid var(--line);border-radius:12px;padding:14px;resize:none;line-height:1.6;outline:none}
#editor:focus{border-color:var(--accent)}
.editbar{display:flex;gap:10px;align-items:center}
.editbar .name{flex:1;color:var(--muted);font-family:ui-monospace,monospace;font-size:13px}
.btn{background:var(--accent);color:#fff;border:0;border-radius:999px;padding:9px 18px;cursor:pointer;font:inherit;font-weight:600}
.btn:disabled{background:#c3c7cd;cursor:not-allowed}
.btn.ghost{background:var(--soft);color:var(--fg)}
#memq{font:inherit;font-size:14px;background:var(--soft);color:var(--fg);border:1px solid var(--line);border-radius:999px;padding:11px 18px;outline:none}
#memq:focus{border-color:var(--accent);background:#fff}
#memres{flex:1;overflow:auto;display:flex;flex-direction:column;gap:12px}
.memhit{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.memhit .f{color:var(--accent);font-family:ui-monospace,monospace;font-size:12px;margin-bottom:6px;font-weight:600}
.memhit .snip{font-family:ui-monospace,monospace;font-size:12px;white-space:pre-wrap;color:var(--fg)}
.memhit .snip mark{background:#fef0c3;color:#7a5b00;padding:0 2px;border-radius:3px}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#202124;color:#fff;border-radius:10px;padding:11px 20px;font-size:14px;opacity:0;transition:opacity .2s;box-shadow:var(--shadow);z-index:50}
.toast.show{opacity:1}

/* ── tema escuro ─────────────────────────── */
html[data-theme="dark"]{--bg:#0e0f13;--panel:#1b1c22;--line:#2a2b33;--soft:#26272f;--fg:#e6e6e6;--muted:#9aa0aa;--accent:#7aa2f7;--accent-soft:#26334d;--bubble-bot:#26272f;--bubble-user:#2d4373;--shadow:0 1px 3px rgba(0,0,0,.4)}
html[data-theme="dark"] .msg.user{color:#dbe6ff}
html[data-theme="dark"] .msg pre{background:#0e0f13}

/* ── agent bar ───────────────────────────── */
#agentBar{display:flex;align-items:center;gap:10px;padding:12px 16px 0}
#agentBar .avatar{width:34px;height:34px;font-size:14px;background:var(--accent)}
#agentSel{flex:1;border:0;background:var(--soft);color:var(--fg);border-radius:10px;padding:8px 10px;font:inherit;font-weight:600;font-size:14px;cursor:pointer}
.iconbtn{border:0;background:none;color:var(--muted);cursor:pointer;font-size:16px;padding:6px 8px;border-radius:8px}
.iconbtn:hover{background:var(--soft);color:var(--fg)}

/* ── filtro de projeto ───────────────────── */
#projFilter{display:flex;gap:6px;flex-wrap:wrap;padding:4px 12px 8px}
#projFilter:empty{display:none}
.pchip{border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:12px;cursor:pointer;white-space:nowrap}
.pchip:hover{background:var(--soft)}
.pchip.active{background:var(--accent-soft);color:var(--accent);border-color:transparent;font-weight:600}

/* badge projeto */
.badge{display:inline-block;background:var(--accent-soft);color:var(--accent);border-radius:6px;padding:1px 7px;font-size:11px;font-weight:600}

/* ── cabeçalho ───────────────────────────── */
#convHead{align-items:center}
#convHead .ch-mid{flex:1;min-width:0}
#headActions{display:flex;gap:2px}

/* ── feed de atividade ───────────────────── */
#activity{padding:0 22px}
#activity:empty{display:none}
.actline{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px;padding:4px 0}
.actline .spin{width:12px;height:12px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.actline code{background:var(--soft);padding:1px 5px;border-radius:4px;font-size:11px}

/* ── ações na mensagem ───────────────────── */
.msg{position:relative}
.msgacts{position:absolute;top:-12px;right:8px;display:none;gap:1px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:1px}
.msg:hover .msgacts{display:flex}
.msg.user .msgacts{right:auto;left:8px}
.msgacts button{border:0;background:none;cursor:pointer;font-size:13px;padding:3px 5px;border-radius:6px;color:var(--muted)}
.msgacts button:hover{background:var(--soft)}
.msgacts button.on{color:var(--accent)}
.codewrap{position:relative}
.codewrap .copy{position:absolute;top:6px;right:6px;font-size:11px;border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:6px;padding:2px 7px;cursor:pointer;opacity:0}
.codewrap:hover .copy{opacity:1}
.artbtn{margin-top:6px;font-size:12px;border:1px solid var(--line);background:var(--panel);color:var(--accent);border-radius:8px;padding:4px 10px;cursor:pointer}

/* ── card de confirmação ─────────────────── */
.confirm{margin-top:8px;border:1px solid var(--accent);background:var(--accent-soft);border-radius:12px;padding:10px 12px}
.confirm .q{font-size:13.5px;margin-bottom:8px}
.confirm .btns{display:flex;gap:8px}
.confirm button{border:0;border-radius:8px;padding:7px 16px;cursor:pointer;font:inherit;font-weight:600}
.confirm .ok{background:var(--accent);color:#fff}
.confirm .no{background:var(--soft);color:var(--fg)}

/* ── mic gravando ────────────────────────── */
#micBtn.rec{background:#fde7e9;color:#d93025;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

/* ── slash menu ──────────────────────────── */
#composer{position:relative}
#slashMenu{position:absolute;bottom:64px;left:22px;right:22px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;display:none}
#slashMenu.show{display:block}
.slashitem{display:flex;gap:10px;padding:9px 14px;cursor:pointer;font-size:14px}
.slashitem:hover,.slashitem.sel{background:var(--accent-soft)}
.slashitem .cmd{color:var(--accent);font-weight:600;font-family:ui-monospace,monospace}
.slashitem .d{color:var(--muted);font-size:12px}

/* ── artifact panel ──────────────────────── */
#artifact{width:42%;min-width:340px;background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
#artHead{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line);font-weight:600}
#artBody{flex:1;overflow:auto;padding:18px 22px;line-height:1.6}
#artBody pre{background:var(--soft);border-radius:10px;padding:12px;overflow:auto}

/* ── command palette ─────────────────────── */
#palette{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:40;display:flex;align-items:flex-start;justify-content:center;padding-top:12vh}
#palBox{width:min(560px,92vw);background:var(--panel);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
#palInput{width:100%;border:0;border-bottom:1px solid var(--line);padding:16px 18px;font:inherit;font-size:16px;background:none;color:var(--fg);outline:none}
#palList{max-height:50vh;overflow:auto}
.palitem{display:flex;gap:10px;align-items:center;padding:11px 18px;cursor:pointer;font-size:14px}
.palitem:hover,.palitem.sel{background:var(--accent-soft)}
.palitem .k{margin-left:auto;color:var(--muted);font-size:12px}

/* ── lightbox ────────────────────────────── */
#lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:60;display:flex;align-items:center;justify-content:center;cursor:zoom-out}
#lightbox img{max-width:92vw;max-height:92vh;border-radius:8px}

/* ── drawer (mobile) ─────────────────────── */
#drawerBtn{display:none;position:fixed;top:18px;left:18px;z-index:30;width:42px;height:42px;border-radius:50%;border:0;background:var(--panel);box-shadow:var(--shadow);font-size:18px;cursor:pointer;color:var(--fg)}
@media(max-width:820px){
  body{padding:0;gap:0}
  #drawerBtn{display:block;top:max(14px,env(safe-area-inset-top));left:14px}
  #side{position:fixed;left:0;top:0;bottom:0;z-index:25;width:86vw;max-width:360px;border-radius:0;transform:translateX(-100%);transition:transform .25s;padding-top:env(safe-area-inset-top)}
  #side.open{transform:none}
  #main{border-radius:0}
  #artifact{position:fixed;inset:0;width:100vw;border-radius:0;z-index:35}
  .msg{max-width:90%}
  #log{padding:16px 14px}

  /* agentBar: abre espaço pro ☰ não cobrir o avatar/seletor */
  #agentBar{padding-left:62px;padding-top:max(12px,env(safe-area-inset-top))}

  /* cabeçalho do chat: limpa o ☰, evita aperto e quebra de título */
  #convHead{padding:12px 12px 12px 62px;gap:10px}
  #convHead .avatar{width:32px;height:32px;font-size:14px}
  #convTitleEl{font-size:15px}
  #headActions{gap:0;flex:none}
  #headActions .iconbtn{width:38px;height:38px;padding:6px;font-size:18px;display:flex;align-items:center;justify-content:center}
  /* "📅 Hoje" fica só com o ícone no mobile (poupa espaço).
     2 IDs p/ vencer a especificidade de #headActions .iconbtn */
  #headActions #briefingBtn{font-size:0;width:38px}
  #headActions #briefingBtn::before{content:"📅";font-size:18px;line-height:1}

  /* abas Arquivos/Memória: conteúdo abaixo do ☰ */
  .pane{padding:64px 16px 16px}
  .editbar{flex-wrap:wrap}

  /* composer respeita a barra de gestos (PWA em tela cheia) */
  #composer{padding:12px 14px max(14px,env(safe-area-inset-bottom))}
  .toast{bottom:max(24px,calc(env(safe-area-inset-bottom) + 12px))}
}

/* telas muito estreitas: esconde o emoji pra não apertar a caixa de texto */
@media(max-width:380px){
  #emojiBtn{display:none}
}