:root{
  --side:#0b141a; --side-2:#111b21; --side-text:#d1d7db; --side-muted:#8696a0;
  --bg:#f3f5f7; --card:#fff; --text:#111b21; --muted:#667781; --line:#e6eaed; --line-2:#f0f2f5;
  --accent:#25d366; --accent-d:#1aa755; --accent-ink:#0a7a3e; --accent-soft:#e7f8ee;
  --blue:#2563eb; --blue-soft:#e8efff; --warn:#a15c00; --warn-soft:#fff4dc; --danger:#c0392b; --danger-soft:#fdecea;
  --chat-bg:#efeae2; --bubble-in:#fff; --bubble-out:#d9fdd3;
  --radius:14px; --shadow:0 1px 2px rgba(11,20,26,.06),0 4px 16px rgba(11,20,26,.05);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b141a; --card:#111b21; --text:#e9edef; --muted:#8696a0; --line:#222d34; --line-2:#1a252c;
  --accent-soft:#0d2b1e; --accent-ink:#4ee38a; --blue-soft:#14223d; --warn-soft:#2e2410; --danger-soft:#33201e;
  --chat-bg:#0b141a; --bubble-in:#1f2c34; --bubble-out:#005c4b; --shadow:none;
}}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45;font-size:15px}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
svg{display:block;flex:none}
h1,h2,h3{margin:0 0 .5em;line-height:1.25}
h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}
.muted{color:var(--muted)}.small{font-size:.85rem}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em}
pre{background:var(--line-2);padding:12px;border-radius:10px;overflow:auto;white-space:pre-wrap;word-break:break-all}
code{background:var(--line-2);padding:1px 6px;border-radius:5px}

/* ---------- Shell ---------- */
.side{position:fixed;inset:0 auto 0 0;width:236px;background:var(--side);color:var(--side-text);display:flex;flex-direction:column;z-index:40;transition:transform .2s}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 10px;font-weight:750;font-size:1.08rem;color:#fff}
.logo{width:32px;height:32px;border-radius:10px;background:var(--accent);display:grid;place-items:center;color:#fff}
.wsname{padding:0 18px 12px;color:var(--side-muted);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wsw{padding:0 14px 12px}.wsw select{width:100%;background:var(--side-2);color:#fff;border:1px solid #2a3942;border-radius:8px;padding:7px}
.side nav{flex:1;overflow-y:auto;padding:4px 10px}
.side nav a{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;color:var(--side-text);font-size:.93rem;margin:1px 0}
.side nav a:hover{background:var(--side-2);text-decoration:none}
.side nav a.on{background:rgba(37,211,102,.16);color:#4ee38a;font-weight:650}
.me{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid #1f2c34}
.av{width:34px;height:34px;border-radius:50%;background:#2a3942;color:#fff;display:grid;place-items:center;font-weight:700;flex:none}
.who{flex:1;min-width:0}.who b{display:block;font-size:.88rem;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.who small{color:var(--side-muted)}
.lo{color:var(--side-muted);padding:6px;border-radius:8px}.lo:hover{background:var(--side-2);color:#fff}
.main{margin-left:236px;min-height:100vh;display:flex;flex-direction:column}
.mtop{display:none}
.scrim{display:none}
.wrap{padding:24px;max-width:1180px;width:100%;margin:0 auto}
.banner{background:var(--blue-soft);color:var(--blue);padding:10px 24px;font-size:.9rem}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.banner a{color:inherit;font-weight:700}
@media (max-width:860px){
  .side{transform:translateX(-100%)}.side.open{transform:none}
  .scrim.on{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:35}
  .main{margin-left:0}
  .mtop{display:flex;align-items:center;gap:10px;height:54px;padding:0 10px;background:var(--side);color:#fff;position:sticky;top:0;z-index:30}
  .wrap{padding:16px}
  .banner{padding:10px 16px}
}
.ib{background:none;border:0;color:inherit;padding:8px;border-radius:8px;cursor:pointer;display:grid;place-items:center}
.ib:hover{background:rgba(127,127,127,.15)}

/* ---------- Components ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);padding:20px;margin-bottom:18px}
.card.flush{padding:0;overflow:hidden}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.card-h h2{margin:0}
.page-h{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.page-h h1{margin:0}.page-h p{margin:4px 0 0;color:var(--muted)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat small{color:var(--muted);font-size:.82rem}.stat b{display:block;font-size:1.7rem;margin-top:2px;letter-spacing:-.02em}
.stat span{font-size:.8rem;color:var(--muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;cursor:pointer;font:inherit;font-weight:620;font-size:.9rem;
  background:var(--accent);color:#fff;padding:9px 16px;border-radius:10px;min-height:38px;text-decoration:none!important;white-space:nowrap}
.btn:hover{background:var(--accent-d)}
.btn.ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.ghost:hover{background:var(--line-2)}
.btn.danger{background:var(--danger)}.btn.danger:hover{filter:brightness(.92)}
.btn.blue{background:#1877f2}.btn.sm{padding:5px 11px;min-height:30px;font-size:.82rem;border-radius:8px}
.btn:disabled{opacity:.55;cursor:default}
.linkbtn{background:none;border:0;color:var(--accent-ink);cursor:pointer;font:inherit;padding:0}
.linkbtn.danger{color:var(--danger)}

label{display:block;margin:12px 0 5px;font-size:.84rem;font-weight:600;color:var(--muted)}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:.93rem;background:var(--card);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(37,211,102,.35);border-color:var(--accent)}
textarea{min-height:90px;resize:vertical}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--accent)}
.check{display:flex;align-items:center;gap:8px;font-weight:500;color:var(--text);margin:10px 0}
.row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.row>*{flex:1;min-width:140px}.row>.btn{flex:none}
.hint{font-size:.8rem;color:var(--muted);margin-top:4px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;align-items:center}

.note{padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:.9rem;background:var(--accent-soft);color:var(--accent-ink)}
.note.err{background:var(--danger-soft);color:var(--danger)}.note.warn{background:var(--warn-soft);color:var(--warn)}.note.info{background:var(--blue-soft);color:var(--blue)}

.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);font-size:.9rem;vertical-align:middle}
.tbl th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;background:var(--line-2)}
.tbl tr:last-child td{border-bottom:0}
.tbl-wrap{overflow-x:auto}
.pill{display:inline-block;font-size:.74rem;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--line-2);color:var(--muted);white-space:nowrap}
.pill.green{background:var(--accent-soft);color:var(--accent-ink)}.pill.red{background:var(--danger-soft);color:var(--danger)}
.pill.amber{background:var(--warn-soft);color:var(--warn)}.pill.blue{background:var(--blue-soft);color:var(--blue)}
.tag{display:inline-flex;align-items:center;gap:4px;font-size:.74rem;font-weight:650;padding:2px 8px;border-radius:99px;color:#fff;background:#25d366;margin:2px 3px 2px 0}
.tag button{background:none;border:0;color:inherit;cursor:pointer;padding:0;font-size:.9rem;line-height:1;opacity:.8}
.empty-state{text-align:center;padding:40px 20px;color:var(--muted)}
.pager{display:flex;gap:8px;justify-content:flex-end;align-items:center;padding:12px 14px}
.kv{width:100%;border-collapse:collapse}.kv td{padding:7px 0;border-bottom:1px solid var(--line);font-size:.9rem}.kv td:first-child{color:var(--muted);width:42%}
.bar{height:8px;border-radius:99px;background:var(--line-2);overflow:hidden}.bar i{display:block;height:100%;background:var(--accent);border-radius:99px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:9px 14px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;white-space:nowrap}
.tabs a.on{color:var(--accent-ink);border-color:var(--accent)}.tabs a:hover{text-decoration:none;color:var(--text)}

.opt{display:block;border:2px solid var(--line);border-radius:12px;padding:12px 14px;margin:10px 0;cursor:pointer;color:var(--text);font-weight:500}
.opt input{margin-right:8px}.opt.sel{border-color:var(--accent);background:var(--accent-soft)}
.opt small{display:block;color:var(--muted);margin-top:4px;font-weight:400}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:60;padding:16px}
.modal.on{display:flex}
.modal-box{background:var(--card);border-radius:16px;width:100%;max-width:560px;max-height:90vh;overflow:auto;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.modal-h h2{margin:0}

/* ---------- Auth ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;background:var(--bg)}
.auth .card{width:100%;max-width:400px;padding:28px}
.auth .brand{color:var(--text);padding:0 0 16px}

/* ---------- Inbox ---------- */
body.full .main{height:100vh;height:100dvh}
.inbox{flex:1;display:flex;min-height:0;background:var(--card)}
.ilist{width:340px;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;flex:none}
.ilist-top{padding:10px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.isearch{display:flex;align-items:center;gap:6px;background:var(--line-2);border-radius:9px;padding:0 10px;color:var(--muted)}
.isearch input{border:0;background:transparent;padding:8px 2px}.isearch input:focus{outline:0}
.ifilters{display:flex;gap:5px;overflow-x:auto;scrollbar-width:none}
.ifilters button{border:0;background:var(--line-2);color:var(--muted);padding:5px 11px;border-radius:99px;font:inherit;font-size:.8rem;font-weight:600;cursor:pointer;white-space:nowrap}
.ifilters button.on{background:var(--accent-soft);color:var(--accent-ink)}
.icontacts{flex:1;overflow-y:auto}
.ci{display:flex;gap:11px;padding:11px 12px;border-bottom:1px solid var(--line-2);cursor:pointer;align-items:center}
.ci:hover{background:var(--line-2)}.ci.on{background:var(--accent-soft)}
.ci .av{background:#dfe5e7;color:#54656f;width:42px;height:42px}
.ci-m{flex:1;min-width:0}
.ci-t{display:flex;justify-content:space-between;gap:6px}.ci-t b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.94rem}
.ci-t small{color:var(--muted);font-size:.74rem;flex:none}
.ci-b{display:flex;justify-content:space-between;gap:6px;align-items:center;margin-top:2px}
.ci-b span{color:var(--muted);font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ubadge{background:var(--accent);color:#fff;border-radius:99px;font-size:.72rem;font-weight:700;padding:1px 7px;flex:none}
.ichat{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--chat-bg)}
.ihead{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--card);border-bottom:1px solid var(--line);min-height:58px}
.ihead .t{flex:1;min-width:0}.ihead .t b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ihead .t small{color:var(--muted);font-size:.8rem}
.ihead select{width:auto;padding:5px 8px;font-size:.82rem}
.imsgs{flex:1;overflow-y:auto;padding:16px 6%;display:flex;flex-direction:column;gap:4px}
.day{align-self:center;background:var(--card);color:var(--muted);font-size:.75rem;padding:3px 10px;border-radius:8px;margin:8px 0;box-shadow:var(--shadow)}
.bub{max-width:min(520px,75%);padding:6px 9px 4px;border-radius:9px;white-space:pre-wrap;word-break:break-word;box-shadow:0 1px .5px rgba(11,20,26,.13);font-size:.93rem;position:relative}
.bub.in{background:var(--bubble-in);align-self:flex-start;border-top-left-radius:2px}
.bub.out{background:var(--bubble-out);align-self:flex-end;border-top-right-radius:2px}
.bub.sys{align-self:center;background:var(--warn-soft);color:var(--warn);font-size:.8rem}
.bub .meta{display:flex;gap:6px;justify-content:flex-end;align-items:center;font-size:.7rem;color:var(--muted);margin-top:2px}
.bub .meta .r{color:#34b7f1}.bub .meta .f{color:var(--danger);font-weight:700}
.bub .src{font-size:.7rem;color:var(--accent-ink);font-weight:650;margin-bottom:2px}
.bub img,.bub video{max-width:100%;max-height:320px;border-radius:7px;display:block;margin-bottom:4px;cursor:pointer}
.bub audio{width:260px;max-width:100%}
.bub .file{display:flex;align-items:center;gap:8px;padding:8px;background:rgba(127,127,127,.12);border-radius:7px;margin-bottom:4px;color:inherit}
.bub .err{font-size:.75rem;color:var(--danger);margin-top:3px}
.icomp{background:var(--card);border-top:1px solid var(--line);padding:8px 10px}
.icomp .closed{background:var(--warn-soft);color:var(--warn);border-radius:9px;padding:8px 12px;font-size:.85rem;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.icomp-row{display:flex;gap:6px;align-items:flex-end}
.icomp textarea{min-height:42px;max-height:160px;border-radius:20px;padding:10px 14px;resize:none}
.icomp .ib{color:var(--muted)}
.qr-pop{position:absolute;bottom:100%;left:10px;right:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.15);max-height:240px;overflow:auto;display:none}
.qr-pop.on{display:block}.qr-pop div{padding:9px 12px;cursor:pointer;font-size:.88rem;border-bottom:1px solid var(--line-2)}.qr-pop div:hover,.qr-pop div.on{background:var(--accent-soft)}
.qr-pop b{color:var(--accent-ink);margin-right:6px}
.attach-prev{display:flex;align-items:center;gap:8px;background:var(--line-2);border-radius:9px;padding:6px 10px;margin-bottom:6px;font-size:.85rem}
.ipanel{width:300px;border-left:1px solid var(--line);overflow-y:auto;background:var(--card);flex:none;padding:16px}
.ipanel h3{font-size:.8rem;text-transform:uppercase;color:var(--muted);letter-spacing:.04em;margin:18px 0 8px}
.ipanel .big{text-align:center}.ipanel .big .av{width:72px;height:72px;font-size:1.6rem;margin:0 auto 8px;background:#dfe5e7;color:#54656f}
.notei{background:var(--warn-soft);border-radius:9px;padding:8px 10px;margin-bottom:6px;font-size:.85rem}
.notei small{display:block;color:var(--muted);font-size:.72rem;margin-top:3px}
.iempty{margin:auto;text-align:center;color:var(--muted);max-width:340px;padding:20px}
.back{display:none}
@media (max-width:1180px){.ipanel{position:fixed;right:0;top:0;bottom:0;z-index:45;box-shadow:-10px 0 30px rgba(0,0,0,.15);display:none}.ipanel.on{display:block}}
@media (max-width:860px){
  body.full .main{height:calc(100dvh)}
  .ilist{width:100%}.ichat{display:none}
  .inbox.chat-open .ilist{display:none}.inbox.chat-open .ichat{display:flex}
  .back{display:grid}.imsgs{padding:12px}
  .ihead{gap:6px;padding:8px 6px}.ihead select{max-width:96px}.ihead .av{display:none}.ihead .btn.sm{padding:5px 8px}
  .bub{max-width:86%}
}
.tpl-prev{background:var(--bubble-out);border-radius:10px;padding:10px 12px;white-space:pre-wrap;font-size:.88rem;margin-top:10px}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:80;cursor:zoom-out}
.lightbox.on{display:flex}.lightbox img{max-width:95vw;max-height:92vh}

/* ---------- Landing ---------- */
.land{background:var(--bg)}

/* ---------- interactive bubbles ---------- */
.bub .ix-h{font-weight:700;margin-bottom:2px}
.bub .ix-f{font-size:.78rem;color:var(--muted);margin-top:3px}
.ix-btns{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.ix-btn{display:block;text-align:center;padding:6px 10px;border-radius:8px;background:rgba(0,0,0,.04);color:var(--blue);font-size:.88rem;font-weight:600;cursor:default}
a.ix-btn{cursor:pointer}a.ix-btn:hover{text-decoration:none;background:rgba(0,0,0,.07)}
.ix-list summary{list-style:none;cursor:pointer}.ix-list summary::-webkit-details-marker{display:none}
.ix-row{font-size:.85rem;padding:5px 8px;border-top:1px solid rgba(0,0,0,.06)}
@media (prefers-color-scheme:dark){.ix-btn{background:rgba(255,255,255,.06);color:#7cb4ff}}
.ix-edit-row{display:flex;gap:6px;margin-top:6px}.ix-edit-row input:first-child{flex:0 0 38%}