/* agentchat - WhatsApp-like group chat. Theme green. */
* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --green:#00a884; --green-dark:#008069; --green-light:#d9fdd3;
  --bg:#efeae2; --panel:#ffffff; --panel2:#f0f2f5; --ink:#111b21; --ink2:#667781;
  --bubble-in:#ffffff; --bubble-out:#d9fdd3; --danger:#ea0038; --link:#53bdeb;
  --hdr:#f0f2f5; --border:#e9edef;
}
html,body { height:100%; }
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; color:var(--ink); background:var(--bg); overflow:hidden; }
button { font:inherit; cursor:pointer; border:none; background:none; color:inherit; }
input,textarea { font:inherit; color:inherit; }
img { -webkit-user-drag:none; user-select:none; }
.hidden { display:none !important; }

/* ---------- sign-in ---------- */
#auth { position:fixed; inset:0; display:flex; align-items:center; justify-content:center; background:var(--bg); padding:16px; z-index:50; }
#auth .card { background:var(--panel); border-radius:12px; box-shadow:0 6px 24px rgba(0,0,0,.12); padding:28px; width:100%; max-width:400px; }
#auth h1 { font-size:20px; margin-bottom:4px; color:var(--green-dark); }
#auth .sub { color:var(--ink2); font-size:13px; margin-bottom:18px; }
#auth label { display:block; font-size:13px; color:var(--ink2); margin:12px 0 4px; }
#auth input { width:100%; padding:10px 12px; border:1px solid var(--border); border-radius:8px; font-size:15px; outline:none; }
#auth input:focus { border-color:var(--green); }
#auth .err { color:var(--danger); font-size:13px; margin-top:10px; min-height:18px; }
#auth .go { width:100%; margin-top:12px; padding:11px; background:var(--green); color:#fff; border-radius:8px; font-size:15px; font-weight:600; }
#auth .go:disabled { opacity:.6; cursor:default; }
#auth .alt { margin-top:12px; text-align:center; }
#auth .alt button { color:var(--green-dark); font-size:14px; }
#noscript { position:fixed; inset:0; background:var(--panel); display:flex; align-items:center; justify-content:center; z-index:99; font-size:16px; padding:20px; text-align:center; }

/* ---------- layout ---------- */
#app { display:flex; height:100%; }
#sidebar { width:380px; min-width:300px; background:var(--panel); border-right:1px solid var(--border); display:flex; flex-direction:column; }
#chat { flex:1; display:flex; flex-direction:column; background:var(--bg); position:relative; min-width:0; }
#chat::before { content:""; position:absolute; inset:0; opacity:.06; pointer-events:none;
  background-image:radial-gradient(circle at 25% 25%, #000 1px, transparent 1px); background-size:24px 24px; }
.bar { height:60px; background:var(--hdr); display:flex; align-items:center; padding:0 12px; gap:10px; flex:none; z-index:2; }
.bar .grow { flex:1; min-width:0; }
.avatar { width:40px; height:40px; border-radius:50%; background:var(--ink2); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:600; overflow:hidden; flex:none; cursor:pointer; }
.avatar img { width:100%; height:100%; object-fit:cover; }
.avatar.lg { width:120px; height:120px; font-size:40px; }
.avatar.sm { width:32px; height:32px; font-size:13px; }
.iconbtn { width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:20px; color:var(--ink2); flex:none; }
.iconbtn:hover { background:rgba(0,0,0,.06); }
#chatlist { flex:1; overflow-y:auto; }
.chatitem { display:flex; gap:12px; padding:12px; cursor:pointer; align-items:center; border-bottom:1px solid var(--border); }
.chatitem:hover { background:var(--panel2); }
.chatitem .meta { flex:1; min-width:0; }
.chatitem .name { font-weight:600; display:flex; justify-content:space-between; }
.chatitem .name time { font-weight:400; font-size:12px; color:var(--ink2); }
.chatitem .prev { color:var(--ink2); font-size:14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; display:flex; gap:6px; align-items:center; }
.badge { background:var(--green); color:#fff; border-radius:12px; min-width:22px; height:22px; padding:0 6px; font-size:13px; font-weight:600; display:flex; align-items:center; justify-content:center; flex:none; }
.sidefoot { padding:10px; text-align:center; color:var(--ink2); font-size:12px; border-top:1px solid var(--border); }

/* chat header */
#chathead .who { display:flex; align-items:center; gap:10px; flex:1; min-width:0; cursor:pointer; }
#chathead .who .nm { font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
#chathead .who .st { font-size:12.5px; color:var(--ink2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
#chathead .who .st .on { color:var(--green-dark); }

/* select-mode bar */
#selbar { background:var(--green-dark); color:#fff; }

/* messages */
#msgs { flex:1; overflow-y:auto; padding:12px 8% 8px; display:flex; flex-direction:column; gap:2px; z-index:1; }
.notice { align-self:center; background:#fdf3c6; color:#5a5030; font-size:12.5px; border-radius:8px; padding:6px 10px; margin:4px 0 10px; text-align:center; max-width:480px; }
.daysep { align-self:center; background:var(--panel); color:var(--ink2); font-size:12.5px; border-radius:8px; padding:5px 12px; margin:8px 0; box-shadow:0 1px 1px rgba(0,0,0,.08); }
.sysline { align-self:center; color:var(--ink2); font-size:12.5px; background:var(--panel); border-radius:8px; padding:4px 10px; margin:4px 0; }
.row { display:flex; margin:1px 0; max-width:100%; }
.row.mine { justify-content:flex-end; }
.row .wrap { max-width:65%; min-width:0; display:flex; align-items:flex-end; gap:6px; }
.row.mine .wrap { flex-direction:row-reverse; }
.row .sideava { width:28px; height:28px; border-radius:50%; overflow:hidden; flex:none; font-size:11px; }
.bubble { background:var(--bubble-in); border-radius:10px; padding:6px 9px 4px; position:relative; box-shadow:0 1px 1px rgba(0,0,0,.1); min-width:80px; max-width:100%; overflow-wrap:anywhere; user-select:none; }
.row.mine .bubble { background:var(--bubble-out); }
.row.sel .bubble { outline:2px solid var(--green); }
.bubble.first { border-top-left-radius:0; }
.row.mine .bubble.first { border-radius:10px 0 10px 10px; }
.bubble .sname { font-size:13px; font-weight:600; cursor:pointer; margin-bottom:1px; }
.bubble .quote { border-left:3px solid var(--green); background:rgba(0,0,0,.05); border-radius:6px; padding:4px 8px; margin-bottom:4px; font-size:13px; cursor:pointer; }
.bubble .quote .qn { font-weight:600; color:var(--green-dark); font-size:12.5px; }
.bubble .quote .qt { color:var(--ink2); overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.bubble .txt { font-size:14.5px; line-height:1.35; white-space:pre-wrap; }
.bubble .txt a { color:var(--link); }
.bubble .txt .ment { color:var(--green-dark); font-weight:600; cursor:pointer; }
.bubble.mentioned { outline:2px solid #ffd54a; }
.bubble .mbadge { position:absolute; top:-8px; right:-8px; background:#ffd54a; border-radius:50%; width:20px; height:20px; font-size:12px; display:flex; align-items:center; justify-content:center; }
.bubble img.photo { display:block; max-width:330px; max-height:330px; border-radius:8px; cursor:pointer; margin:2px 0; }
.bubble .cap { font-size:14px; margin-top:3px; white-space:pre-wrap; }
.stamp { float:right; display:flex; gap:3px; align-items:center; color:var(--ink2); font-size:11px; margin:6px 0 0 8px; user-select:none; }
.stamp .edited { font-style:italic; }
.ticks { font-size:13px; letter-spacing:-2px; }
.ticks.t1 { color:var(--ink2); } .ticks.t2 { color:var(--ink2); } .ticks.t3 { color:var(--link); }
.deleted-txt { color:var(--ink2); font-style:italic; display:flex; gap:6px; align-items:center; }
.reactpill { position:relative; margin-top:-8px; z-index:3; display:inline-flex; background:var(--panel); border-radius:12px; box-shadow:0 1px 2px rgba(0,0,0,.2); padding:1px 6px; font-size:13px; cursor:pointer; gap:2px; }
.row.mine .reactpill { float:right; }
.chev { position:absolute; top:2px; right:4px; color:var(--ink2); opacity:0; font-size:14px; padding:2px 6px; border-radius:6px; }
.bubble:hover .chev { opacity:1; background:rgba(255,255,255,.7); }
/* poll */
.poll .pq { font-weight:600; margin-bottom:6px; }
.pollopt { border:1px solid var(--border); border-radius:8px; padding:7px 10px; margin:4px 0; cursor:pointer; position:relative; overflow:hidden; }
.pollopt .fill { position:absolute; inset:0; background:rgba(0,168,132,.18); width:0; }
.pollopt .lab { position:relative; display:flex; justify-content:space-between; gap:8px; }
.pollopt.mine { border-color:var(--green); }
.poll .pmeta { font-size:12px; color:var(--ink2); margin-top:6px; display:flex; justify-content:space-between; align-items:center; gap:12px; }
.poll .pmeta button { margin-left:12px; white-space:nowrap; }
.poll .pmeta button { color:var(--green-dark); font-size:12px; font-weight:600; }
/* typing bubble */
.typingdots span { display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--ink2); margin:0 1.5px; animation:tp 1.2s infinite; }
.typingdots span:nth-child(2){animation-delay:.15s}.typingdots span:nth-child(3){animation-delay:.3s}
@keyframes tp { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-4px)} }

/* pinned bar */
#pinbar { background:var(--panel); border-left:4px solid var(--green); padding:6px 12px; cursor:pointer; z-index:2; box-shadow:0 1px 2px rgba(0,0,0,.1); }
#pinbar .pt { font-size:12px; color:var(--green-dark); font-weight:600; }
#pinbar .pb { font-size:13px; color:var(--ink2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* composer */
#replybox, #editbox { background:var(--panel2); border-left:4px solid var(--green); padding:6px 12px; display:flex; align-items:center; gap:10px; z-index:2; }
#replybox .rq, #editbox .rq { flex:1; min-width:0; }
#replybox .qn, #editbox .qn { font-size:12.5px; color:var(--green-dark); font-weight:600; }
#replybox .qt, #editbox .qt { font-size:13px; color:var(--ink2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
#composer { background:var(--hdr); padding:8px 12px; display:flex; align-items:flex-end; gap:8px; z-index:2; }
#cinput { flex:1; background:var(--panel); border:none; border-radius:10px; padding:10px 12px; font-size:15px; resize:none; max-height:120px; outline:none; }
#sendbtn { width:44px; height:44px; border-radius:50%; background:var(--green); color:#fff; font-size:20px; display:flex; align-items:center; justify-content:center; flex:none; }

/* scroll-to-bottom */
#toend { position:absolute; right:18px; bottom:84px; width:44px; height:44px; border-radius:50%; background:var(--panel); box-shadow:0 2px 6px rgba(0,0,0,.25); display:flex; align-items:center; justify-content:center; font-size:20px; color:var(--ink2); z-index:4; }
#toend .badge { position:absolute; top:-6px; right:-6px; }

/* menus, picker, sheets, dialogs, toasts */
.menu { position:fixed; background:var(--panel); border-radius:10px; box-shadow:0 4px 18px rgba(0,0,0,.22); padding:6px 0; min-width:190px; z-index:80; }
.menu button { display:flex; width:100%; text-align:left; padding:10px 18px; font-size:14.5px; gap:10px; align-items:center; }
.menu button:hover { background:var(--panel2); }
.menu button.danger { color:var(--danger); }
#reactbar { position:fixed; background:var(--panel); border-radius:24px; box-shadow:0 4px 18px rgba(0,0,0,.25); padding:5px 8px; display:flex; gap:2px; z-index:81; }
#reactbar button { font-size:22px; padding:4px 6px; border-radius:50%; }
#reactbar button:hover { background:var(--panel2); transform:scale(1.15); }
#emojigrid { position:fixed; background:var(--panel); border-radius:12px; box-shadow:0 6px 24px rgba(0,0,0,.3); padding:10px; z-index:82; display:grid; grid-template-columns:repeat(8,1fr); gap:2px; max-width:340px; }
#emojigrid button { font-size:22px; padding:5px; border-radius:8px; }
#emojigrid button:hover { background:var(--panel2); }
#mentpicker { position:fixed; background:var(--panel); border-radius:10px; box-shadow:0 4px 18px rgba(0,0,0,.25); z-index:83; max-height:220px; overflow-y:auto; min-width:220px; }
#mentpicker button { display:flex; width:100%; padding:9px 14px; gap:8px; align-items:center; font-size:14px; }
#mentpicker button:hover, #mentpicker button.hot { background:var(--panel2); }
.sheet { position:absolute; top:0; right:0; bottom:0; width:420px; max-width:100%; background:var(--panel); z-index:40; display:flex; flex-direction:column; box-shadow:-4px 0 18px rgba(0,0,0,.15); }
.sheet .bar { background:var(--green-dark); color:#fff; }
.sheet .body { flex:1; overflow-y:auto; padding:16px; }
.sheet h3 { font-size:13px; color:var(--green-dark); font-weight:600; margin:18px 0 8px; text-transform:uppercase; letter-spacing:.5px; }
.srow { display:flex; align-items:center; gap:12px; padding:10px 4px; border-bottom:1px solid var(--border); }
.srow .grow { flex:1; min-width:0; }
.srow .t1 { font-size:15px; } .srow .t2 { font-size:13px; color:var(--ink2); }
.presdot { width:10px; height:10px; border-radius:50%; background:#c8d0d5; flex:none; }
.presdot.on { background:var(--green); }
.center-col { display:flex; flex-direction:column; align-items:center; gap:8px; padding:10px 0; }
.switch { position:relative; width:44px; height:24px; border-radius:12px; background:#c8d0d5; cursor:pointer; flex:none; transition:background .2s; }
.switch.on { background:var(--green); }
.switch::after { content:""; position:absolute; top:2px; left:2px; width:20px; height:20px; border-radius:50%; background:#fff; transition:left .2s; }
.switch.on::after { left:22px; }
.btn { padding:9px 18px; border-radius:8px; background:var(--green); color:#fff; font-weight:600; font-size:14px; }
.btn.ghost { background:var(--panel2); color:var(--ink); }
.btn.danger { background:var(--danger); }
.btn:disabled { opacity:.6; cursor:default; }
.copybox { display:flex; gap:8px; align-items:center; background:var(--panel2); border-radius:8px; padding:8px 10px; font-size:13px; overflow-wrap:anywhere; }
.dlgwrap { position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:90; display:flex; align-items:center; justify-content:center; padding:16px; }
.dlg { background:var(--panel); border-radius:12px; padding:22px; max-width:360px; width:100%; box-shadow:0 8px 30px rgba(0,0,0,.3); }
.dlg h2 { font-size:17px; margin-bottom:8px; }
.dlg p { font-size:14px; color:var(--ink2); margin-bottom:16px; }
.dlg .row { display:flex; justify-content:flex-end; gap:10px; }
.dlg input { width:100%; padding:9px 12px; border:1px solid var(--border); border-radius:8px; margin-bottom:14px; font-size:15px; outline:none; }
#toasts { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); z-index:95; display:flex; flex-direction:column; gap:8px; align-items:center; }
.toast { background:#2a3b44; color:#fff; padding:9px 18px; border-radius:8px; font-size:14px; box-shadow:0 3px 10px rgba(0,0,0,.3); animation:tin .15s; }
@keyframes tin { from{opacity:0; transform:translateY(8px)} to{opacity:1} }

/* photo preview (composer) */
#photoprev { position:fixed; inset:0; background:rgba(0,0,0,.85); z-index:70; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px; padding:20px; }
#photoprev img { max-width:88vw; max-height:70vh; border-radius:8px; }
#photoprev .pcap { width:min(560px,90vw); background:var(--panel); border:none; border-radius:10px; padding:11px 14px; font-size:15px; outline:none; }

/* photo viewer */
#viewer { position:fixed; inset:0; background:#0b141a; z-index:75; display:flex; flex-direction:column; }
#viewer .vtop { display:flex; align-items:center; gap:12px; padding:10px 14px; color:#fff; z-index:2; }
#viewer .vtop .grow { flex:1; min-width:0; }
#viewer .vtop .vs { font-weight:600; }
#viewer .vtop .vt { font-size:12.5px; color:#aebac1; }
#viewer .vstage { flex:1; display:flex; align-items:center; justify-content:center; overflow:hidden; position:relative; }
#viewer .vimg { max-width:100%; max-height:100%; touch-action:none; cursor:grab; }
#viewer .vnav { position:absolute; top:50%; transform:translateY(-50%); width:46px; height:46px; border-radius:50%; background:rgba(255,255,255,.12); color:#fff; font-size:24px; display:flex; align-items:center; justify-content:center; }
#viewer .vnav:hover { background:rgba(255,255,255,.25); }
#viewer .vprev { left:12px; } #viewer .vnext { right:12px; }
#viewer .vcap { color:#fff; text-align:center; padding:8px 16px; font-size:14.5px; }
#viewer .vstrip { display:flex; gap:6px; padding:10px; overflow-x:auto; justify-content:flex-start; background:rgba(0,0,0,.35); }
#viewer .vstrip img { width:52px; height:52px; object-fit:cover; border-radius:6px; cursor:pointer; opacity:.55; flex:none; }
#viewer .vstrip img.cur { opacity:1; outline:2px solid var(--green); }

/* responsive */
#listlayer { display:none; }
@media (max-width:760px) {
  #sidebar { display:none; }
  #listlayer { position:fixed; inset:0; background:var(--panel); z-index:60; flex-direction:column; }
  #msgs { padding:12px 12px 8px; }
  .row .wrap { max-width:82%; }
  .bubble img.photo { max-width:min(72vw,330px); }
  .sheet { width:100%; }
}

.iconbtn.rec { background:#d32f2f; color:#fff; }
.vnote { display:block; width:260px; max-width:100%; margin:4px 0; }