:root{
  --green:#17b35a;--green-d:#0e8a43;--green-l:#e3f8eb;--navy:#0a1a33;--navy-2:#10284b;--navy-3:#183660;
  --bg:#edf2f0;--panel:#ffffff;--panel-2:#f6f8f7;--line:#e2e8e5;--text:#13212e;--muted:#66778a;
  --out:#d7f6e1;--in:#ffffff;--danger:#e0393e;--warn:#f0a020;--link:#0c7bd6;--shadow:0 6px 24px rgba(10,26,51,.12);
  --chatbg:#e9efe9;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#08121f;--panel:#0f1d30;--panel-2:#13243b;--line:#1f3350;--text:#e6edf5;--muted:#8fa2b8;--out:#0f5a35;--in:#16283f;
  --green-l:#123d2a;--chatbg:#0b1828;--shadow:0 6px 24px rgba(0,0,0,.4);--link:#5fb2ff;
}}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden}
#app{height:100%;height:100dvh}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;-webkit-text-size-adjust:100%;overscroll-behavior:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
a{color:var(--link)}
.hidden{display:none!important}
svg.i{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:12px;background:var(--green);color:#fff;font-weight:600}
.btn:hover{background:var(--green-d)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.danger{background:var(--danger)}
.btn.sm{min-height:34px;padding:0 12px;font-size:14px;border-radius:9px}
.btn:disabled{opacity:.55;cursor:default}
.iconbtn{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}
.iconbtn:hover{background:var(--panel-2);color:var(--text)}
.field{display:block;margin:0 0 12px}
.field>span{display:block;font-size:13px;color:var(--muted);margin:0 0 5px}
.input,select.input,textarea.input{width:100%;min-height:44px;padding:10px 12px;border-radius:11px;border:1px solid var(--line);background:var(--panel);font-size:16px;outline:none}
.input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(23,179,90,.18)}
textarea.input{resize:vertical;min-height:80px}
.hint{font-size:12.5px;color:var(--muted);margin-top:4px}
.err{color:var(--danger);font-size:14px;margin:6px 0}
.ok{color:var(--green-d);font-size:14px;margin:6px 0}
.avatar{width:44px;height:44px;border-radius:50%;flex:none;background:linear-gradient(135deg,#1fc46a,#0a5fa8);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;overflow:hidden;position:relative;font-size:16px}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.sm{width:34px;height:34px;font-size:13px}.avatar.lg{width:96px;height:96px;font-size:34px}
.avatar.group{background:linear-gradient(135deg,#0f2b52,#17b35a)}
.dot-online{position:absolute;right:1px;bottom:1px;width:11px;height:11px;border-radius:50%;background:var(--green);border:2px solid var(--panel)}
.badge{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--green);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.badge.red{background:var(--danger)}

/* ---------- auth ---------- */
.auth{height:100%;overflow:auto;background:radial-gradient(1200px 600px at 20% -10%,#1d6b48 0,transparent 60%),linear-gradient(160deg,#071427,#0d2a4d 60%,#0b3a2b);display:flex;align-items:center;justify-content:center;padding:24px 16px}
.auth-card{width:100%;max-width:400px;background:var(--panel);border-radius:22px;padding:26px 22px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.brand{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:18px}
.brand img{width:84px;height:84px}
.brand h1{margin:8px 0 2px;font-size:28px;letter-spacing:-.5px;line-height:1.05}
.brand h1 b{color:var(--navy)}@media (prefers-color-scheme:dark){.brand h1 b{color:#fff}}
.brand h1 span{color:var(--green)}
.brand p{margin:4px 0 0;color:var(--muted);font-size:14px}
.langrow{display:flex;justify-content:center;gap:4px;margin-top:16px;flex-wrap:wrap}
.langrow button{padding:6px 10px;border-radius:8px;font-size:13px;font-weight:600;color:var(--muted)}
.langrow button.on{background:var(--green-l);color:var(--green-d)}
.auth .links{text-align:center;margin-top:12px;font-size:14px}
.auth .links button{color:var(--link)}
.stagetag{display:inline-block;margin-top:8px;font-size:11px;padding:2px 8px;border-radius:6px;background:#fff3d6;color:#7a5200}

/* ---------- shell ---------- */
.shell{height:100%;display:grid;grid-template-columns:220px 370px 1fr;grid-template-rows:minmax(0,1fr);overflow:hidden}
.rail{background:linear-gradient(180deg,var(--navy),var(--navy-2));color:#cfe0f5;display:flex;flex-direction:column;padding:14px 10px;min-height:0}
.rail .logo{display:flex;align-items:center;gap:8px;padding:2px 6px 16px}
.rail .logo img{width:40px;height:40px}
.rail .logo div{font-weight:800;line-height:1;font-size:17px;color:#fff}.rail .logo div span{display:block;color:#3fd283;font-size:15px}
.nav{display:flex;align-items:center;gap:12px;width:100%;padding:11px 12px;border-radius:12px;color:#cfe0f5;font-weight:500;margin-bottom:2px;position:relative}
.nav:hover{background:rgba(255,255,255,.06)}
.nav.on{background:var(--green);color:#fff}
.nav .badge{margin-left:auto;background:var(--danger)}
.nav.on .badge{background:#fff;color:var(--green-d)}
.rail .me{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px 6px;border-top:1px solid rgba(255,255,255,.08);color:#fff;text-align:left}
.rail .me small{display:block;color:#3fd283;font-size:12px}
.list{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;min-width:0}
.list-head{padding:14px 14px 8px}
.list-head h2{margin:0 0 10px;font-size:20px;display:flex;align-items:center;justify-content:space-between}
.search{display:flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);border-radius:22px;padding:0 12px;min-height:42px}
.search input{border:0;background:transparent;outline:none;flex:1;min-width:0;font-size:15px}
.tabs{display:flex;gap:6px;padding:10px 14px 6px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:6px 14px;border-radius:18px;font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;background:var(--panel-2)}
.tab.on{background:var(--green);color:#fff}
.scroll{flex:1;overflow-y:auto;min-height:0;-webkit-overflow-scrolling:touch}
.row{display:flex;align-items:center;gap:12px;padding:10px 14px;width:100%;text-align:left;border-bottom:1px solid var(--line);position:relative}
.row:hover{background:var(--panel-2)}
.row.on{background:var(--green-l)}
.row .mid{flex:1;min-width:0}
.row .t{display:flex;justify-content:space-between;gap:8px;font-weight:600}
.row .t span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .t time{font-size:12px;color:var(--muted);font-weight:400;flex:none}
.row .s{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:14px;margin-top:2px;align-items:center}
.row .s span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .s .ic{display:inline-flex;gap:4px;align-items:center;flex:none}
.row .s svg.i{width:15px;height:15px}
.row.unread time{color:var(--green-d);font-weight:700}
.fab{position:absolute;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);z-index:3}
.fab svg.i{width:28px;height:28px}
.listwrap{position:relative;flex:1;min-height:0;display:flex;flex-direction:column}
.empty{padding:40px 24px;text-align:center;color:var(--muted)}
.sect{padding:14px 14px 6px;font-size:12.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}

/* ---------- conversation ---------- */
.conv{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--chatbg);position:relative}
.conv-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);gap:12px;text-align:center;padding:20px}
.conv-empty img{width:110px;opacity:.9}
.conv-head{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--panel);border-bottom:1px solid var(--line);min-height:62px}
.conv-head .who{flex:1;min-width:0;text-align:left;display:flex;align-items:center;gap:10px}
.conv-head .who b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv-head .who small{display:block;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv-head .who small.typing{color:var(--green-d)}
.backbtn{display:none}
.pinbar{display:flex;align-items:center;gap:10px;margin:8px 12px 0;padding:9px 12px;border-radius:12px;background:#ece6ff;color:#3b2a8a;font-size:14px;text-align:left;width:calc(100% - 24px)}
@media (prefers-color-scheme:dark){.pinbar{background:#2a2350;color:#d9d0ff}}
.pinbar div{flex:1;min-width:0}.pinbar b{display:block;font-size:13px}.pinbar span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msgs{flex:1;overflow-y:auto;padding:10px 12px 6px;min-height:0;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.day{text-align:center;margin:10px 0}.day span{background:var(--panel);color:var(--muted);font-size:12px;padding:4px 10px;border-radius:8px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.sys{text-align:center;margin:8px 0;font-size:12.5px;color:var(--muted)}.sys span{background:rgba(255,255,255,.55);padding:3px 10px;border-radius:8px}
@media (prefers-color-scheme:dark){.sys span{background:rgba(255,255,255,.06)}}
.m{display:flex;gap:8px;margin:3px 0;align-items:flex-end}
.m.out{justify-content:flex-end}
.m .avatar{width:30px;height:30px;font-size:12px}
.m .sp{width:30px;flex:none}
.bub{max-width:min(76%,560px);background:var(--in);border-radius:14px;padding:6px 9px 5px;box-shadow:0 1px 1.5px rgba(0,0,0,.08);position:relative;word-wrap:break-word;overflow-wrap:anywhere;min-width:64px}
.m.out .bub{background:var(--out)}
.m.hl .bub{outline:3px solid #f6c344}
.bub .nm{font-size:13px;font-weight:700;color:var(--green-d);margin-bottom:2px}
.bub .tx{white-space:pre-wrap;line-height:1.38}
.bub .meta{float:right;margin:6px 0 -3px 10px;font-size:11px;color:var(--muted);display:inline-flex;gap:3px;align-items:center;white-space:nowrap}
.bub .meta svg{width:16px;height:16px}
.tick.read{color:#2a9df4}
.bub .fw{font-size:12px;color:var(--muted);font-style:italic;margin-bottom:2px}
.bub .del{font-style:italic;color:var(--muted)}
.quote{border-left:3px solid var(--green);background:rgba(0,0,0,.05);border-radius:6px;padding:4px 8px;margin:2px 0 5px;font-size:13px;cursor:pointer}
@media (prefers-color-scheme:dark){.quote{background:rgba(255,255,255,.06)}}
.quote b{display:block;color:var(--green-d);font-size:12.5px}.quote span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}
.media{display:block;max-width:100%;border-radius:10px;margin:2px 0 4px;cursor:pointer;background:rgba(0,0,0,.06)}
img.media{max-height:340px;width:auto;height:auto;min-width:120px;object-fit:contain}
video.media{max-height:360px;width:100%}
.filebox{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;background:rgba(0,0,0,.05);margin:2px 0 4px;text-decoration:none;color:inherit;min-width:200px}
.filebox .fi{width:40px;height:40px;border-radius:8px;background:var(--navy-3);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex:none}
.filebox div{min-width:0}.filebox b{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.filebox small{color:var(--muted)}
.voice{display:flex;align-items:center;gap:8px;min-width:220px;padding:2px 0}
.voice .play{width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.voice .play svg{width:18px;height:18px;fill:currentColor;stroke:none}
.wave{flex:1;height:34px;display:flex;align-items:center;gap:2px;cursor:pointer;min-width:120px}
.wave i{flex:1;background:#9fb3a8;border-radius:2px;min-height:3px;max-width:4px}
.wave i.on{background:var(--green-d)}
.voice small{font-size:12px;color:var(--muted);min-width:34px;text-align:right}
.rx{display:flex;gap:4px;flex-wrap:wrap;margin:4px 0 0}
.rx button{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1px 7px;font-size:13px}
.rx button.mine{border-color:var(--green);background:var(--green-l)}
.typingrow{padding:0 16px 4px;font-size:13px;color:var(--green-d);min-height:18px}
.composer{display:flex;align-items:flex-end;gap:6px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--panel);border-top:1px solid var(--line)}
.composer .box{flex:1;display:flex;align-items:flex-end;background:var(--panel-2);border:1px solid var(--line);border-radius:22px;padding:2px 4px;min-width:0}
.composer textarea{flex:1;border:0;background:transparent;outline:none;resize:none;max-height:140px;min-height:40px;padding:10px 4px;font-size:16px;line-height:1.3;min-width:0}
.composer .send{width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.composer .send svg{width:22px;height:22px}
.composer .iconbtn{width:38px;height:38px}
.replybar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-top:1px solid var(--line)}
.replybar .quote{flex:1;margin:0;min-width:0}
.notice{padding:12px;text-align:center;color:var(--muted);background:var(--panel);border-top:1px solid var(--line);font-size:14px}
.recbar{display:flex;align-items:center;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--panel);border-top:1px solid var(--line)}
.recbar .live{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:blink 1s infinite}
.recbar.paused .live{animation:none;background:var(--muted)}
.recbar canvas{flex:1;height:36px;min-width:0}
.recbar time{font-variant-numeric:tabular-nums;font-size:14px;min-width:42px}
@keyframes blink{50%{opacity:.25}}
.emojis{position:absolute;bottom:64px;left:10px;width:min(340px,calc(100% - 20px));max-height:260px;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;z-index:5}
.emojis button{font-size:24px;height:38px;border-radius:8px}.emojis button:hover{background:var(--panel-2)}
.jumpdown{position:absolute;right:16px;bottom:84px;width:42px;height:42px;border-radius:50%;background:var(--panel);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:var(--muted);z-index:2}
.jumpdown .badge{position:absolute;top:-6px;right:-4px}

/* ---------- panels / modals / sheets ---------- */
.side{position:absolute;inset:0;background:var(--panel);z-index:6;display:flex;flex-direction:column;min-height:0}
.side-head{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line);min-height:58px}
.side-head b{flex:1;font-size:17px}
.side .body{flex:1;overflow-y:auto;padding:14px;min-height:0}
.center{text-align:center}
.card{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:12px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:6px 0;font-size:14px}
.counter{font-size:22px;font-weight:800}.counter small{font-size:13px;color:var(--muted);font-weight:500}
.progress{height:8px;border-radius:5px;background:var(--line);overflow:hidden;margin-top:6px}.progress i{display:block;height:100%;background:var(--green)}
.fullnote{color:var(--danger);font-weight:700;margin-top:6px}
.menu{position:fixed;z-index:50;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:6px;min-width:200px;max-width:calc(100vw - 24px)}
.menu button{display:flex;width:100%;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;text-align:left;font-size:15px}
.menu button:hover{background:var(--panel-2)}
.menu button.danger{color:var(--danger)}
.menu .rxpick{display:flex;justify-content:space-between;padding:4px 4px 8px;border-bottom:1px solid var(--line);margin-bottom:4px}
.menu .rxpick button{font-size:24px;width:40px;height:40px;padding:0;justify-content:center}
.overlay{position:fixed;inset:0;background:rgba(5,12,24,.55);z-index:40;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--panel);border-radius:18px;width:100%;max-width:440px;max-height:calc(100% - 20px);overflow:auto;padding:18px;box-shadow:var(--shadow)}
.modal h3{margin:0 0 12px}
.modal .actions{display:flex;gap:8px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}
.viewer{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:60;display:flex;align-items:center;justify-content:center}
.viewer img,.viewer video{max-width:100%;max-height:100%}
.viewer .iconbtn{position:absolute;top:12px;right:12px;color:#fff;background:rgba(255,255,255,.12)}
.toasts{position:fixed;top:calc(70px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;width:min(420px,calc(100% - 24px))}
.toast{background:var(--navy);color:#fff;border-radius:14px;padding:10px 14px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:center;cursor:pointer;animation:tin .2s ease}
.toast .mid{flex:1;min-width:0}.toast b{display:block;font-size:14px}.toast span{display:block;font-size:13.5px;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes tin{from{transform:translateY(-10px);opacity:0}}
.netbar{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(76px + env(safe-area-inset-bottom));z-index:70;background:#3a2a00;color:#ffe6a6;padding:8px 14px;border-radius:20px;font-size:13.5px;box-shadow:var(--shadow);max-width:calc(100% - 24px);text-align:center}
.netbar.ok{background:var(--green-d);color:#fff}
.chk{display:flex;align-items:center;gap:10px;padding:8px 0}
.chk input{width:20px;height:20px;accent-color:var(--green)}
.seg{display:flex;flex-direction:column;gap:6px}
.seg label{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:11px;cursor:pointer}
.seg input{margin-top:3px;accent-color:var(--green)}
.mtabs{display:flex;gap:6px;margin:10px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.grid3 .tile{aspect-ratio:1;background:#000 center/cover;border-radius:6px;cursor:pointer;position:relative;overflow:hidden}
.grid3 .tile span{position:absolute;bottom:4px;right:6px;color:#fff;font-size:12px;text-shadow:0 1px 2px #000}
.bottomnav{display:none}
.soon{padding:40px 22px;text-align:center;color:var(--muted)}
.soon svg.i{width:52px;height:52px;color:var(--green)}
.pill{display:inline-block;font-size:11.5px;padding:1px 7px;border-radius:7px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted);margin-left:6px;font-weight:600;vertical-align:middle}
.pill.g{background:var(--green-l);color:var(--green-d);border-color:transparent}
.banner{background:#fff3d6;color:#6b4a00;padding:8px 14px;font-size:13.5px;display:flex;gap:10px;align-items:center;justify-content:space-between}
@media (prefers-color-scheme:dark){.banner{background:#3a2c08;color:#ffe2a0}}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .shell{grid-template-columns:76px 340px 1fr}
  .rail .logo div,.nav .lbl,.rail .me .lbl{display:none}
  .nav{justify-content:center;padding:12px 0}
  .nav .badge{position:absolute;top:4px;right:8px;margin:0}
  .rail .logo{justify-content:center;padding:2px 0 16px}
  .rail .me{justify-content:center;padding:10px 0}
}
@media (max-width:760px){
  .shell{display:flex;flex-direction:column}
  .rail{display:none}
  .list{flex:1;border-right:0}
  .conv{position:fixed;inset:0;z-index:20;display:none}
  .shell.in-chat .conv{display:flex}
  .shell.in-chat .bottomnav{display:none}
  .backbtn{display:inline-flex}
  .bottomnav{display:flex;background:var(--panel);border-top:1px solid var(--line);padding:4px 4px env(safe-area-inset-bottom)}
  .bottomnav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;font-size:11.5px;color:var(--muted);position:relative}
  .bottomnav button.on{color:var(--green-d)}
  .bottomnav .badge{position:absolute;top:0;left:calc(50% + 6px);height:18px;min-width:18px;font-size:11px;background:var(--danger)}
  .fab{bottom:14px}
  .bub{max-width:84%}
  .netbar{bottom:calc(70px + env(safe-area-inset-bottom))}
}