:root{--bg:#f4f6f5;--card:#fff;--ink:#17201d;--mute:#667570;--line:#e2e8e5;--acc:#0b6b52;--acc-ink:#fff;--in:#fff;--out:#d9f2e6;--warn:#b45309;--warnbg:#fef3c7;--bad:#b42318;--tick:#2563eb;--shadow:0 1px 2px rgba(0,0,0,.08)}
@media (prefers-color-scheme:dark){:root{--bg:#0f1514;--card:#17201e;--ink:#e8efec;--mute:#93a39d;--line:#26332f;--acc:#2fb58c;--acc-ink:#04140f;--in:#1d2825;--out:#12453a;--warn:#fbbf24;--warnbg:#3a2e0b;--bad:#f87171;--tick:#60a5fa;--shadow:none}}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
.boot{padding:24px;color:var(--mute)}
#app{height:100%;max-width:760px;margin:0 auto;display:flex;flex-direction:column;background:var(--bg);position:relative}
.top{display:flex;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top)) 14px 10px;background:var(--acc);color:var(--acc-ink)}
.top h1{margin:0;font-size:1.15rem;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .sub{font-size:.8rem;opacity:.85;display:block;font-weight:400}
.iconbtn{background:transparent;border:0;color:inherit;font-size:1.4rem;line-height:1;padding:6px 8px;border-radius:8px}
.iconbtn:active{background:rgba(255,255,255,.18)}
.main{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.tabs{display:flex;border-top:1px solid var(--line);background:var(--card);padding-bottom:env(safe-area-inset-bottom)}
.tabs a{flex:1;text-align:center;padding:10px 4px 8px;color:var(--mute);text-decoration:none;font-size:.78rem;position:relative}
.tabs a b{display:block;font-size:1.3rem;font-weight:400;line-height:1.1}
.tabs a.on{color:var(--acc);font-weight:600}
.dot{position:absolute;top:4px;left:calc(50% + 6px);background:var(--bad);color:#fff;border-radius:9px;font-size:.68rem;min-width:18px;padding:1px 5px;font-weight:600}
.bar{display:flex;gap:8px;padding:10px 12px;background:var(--bg);position:sticky;top:0;z-index:2;border-bottom:1px solid var(--line)}
.bar input[type=search]{flex:1;min-width:0;padding:10px 14px;border-radius:22px;border:1px solid var(--line);background:var(--card)}
.chip{border:1px solid var(--line);background:var(--card);border-radius:20px;padding:8px 14px;font-size:.88rem;color:var(--mute);white-space:nowrap}
.chip.on{background:var(--acc);border-color:var(--acc);color:var(--acc-ink)}
.row{display:flex;gap:12px;padding:12px 14px;background:var(--card);border-bottom:1px solid var(--line);text-decoration:none;color:inherit;align-items:center}
.row:active{background:var(--bg)}
.av{width:46px;height:46px;border-radius:50%;background:var(--acc);color:var(--acc-ink);display:flex;align-items:center;justify-content:center;font-weight:600;flex:none;position:relative}
.av i{position:absolute;right:-1px;bottom:-1px;width:13px;height:13px;border-radius:50%;border:2px solid var(--card);background:#9aa8a3}
.av i.open{background:#22c55e}
.mid{flex:1;min-width:0}
.l1{display:flex;gap:8px;align-items:baseline}
.nm{font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tm{font-size:.76rem;color:var(--mute)}
.l2{display:flex;gap:8px;align-items:center}
.pv{flex:1;color:var(--mute);font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row.unread .nm,.row.unread .tm{color:var(--acc)}
.row.unread .pv{color:var(--ink)}
.badge{background:var(--acc);color:var(--acc-ink);border-radius:11px;min-width:22px;text-align:center;font-size:.76rem;padding:2px 7px;font-weight:600}
.empty,.note{padding:28px 20px;text-align:center;color:var(--mute)}
.more{display:block;margin:14px auto;padding:10px 18px;border:1px solid var(--line);background:var(--card);border-radius:20px}
.err{background:var(--warnbg);color:var(--warn);padding:8px 14px;font-size:.88rem;text-align:center}
.win{padding:8px 14px;font-size:.84rem;text-align:center;border-bottom:1px solid var(--line)}
.win.open{background:#dcfce7;color:#166534}
.win.closed{background:var(--warnbg);color:var(--warn)}
@media (prefers-color-scheme:dark){.win.open{background:#12382a;color:#86efac}}
.thread{padding:10px 10px 18px;display:flex;flex-direction:column;gap:4px}
.day{align-self:center;background:var(--card);color:var(--mute);font-size:.74rem;padding:3px 12px;border-radius:12px;margin:8px 0;box-shadow:var(--shadow)}
.msg{max-width:84%;padding:7px 10px 5px;border-radius:12px;box-shadow:var(--shadow);word-wrap:break-word;overflow-wrap:anywhere;white-space:pre-wrap}
.msg.in{align-self:flex-start;background:var(--in);border-top-left-radius:3px}
.msg.out{align-self:flex-end;background:var(--out);border-top-right-radius:3px}
.msg a{color:var(--acc)}
.msg img,.msg video{max-width:100%;max-height:340px;border-radius:8px;display:block;margin-bottom:4px}
.msg audio{max-width:100%;display:block;margin-bottom:4px}
.meta{display:block;text-align:right;font-size:.7rem;color:var(--mute);margin-top:2px;white-space:normal}
.tk.read{color:var(--tick)}
.tk.failed{color:var(--bad);font-weight:700}
.tpl{font-size:.72rem;color:var(--mute);display:block;margin-bottom:2px}
.file{display:inline-block;padding:8px 10px;border:1px solid var(--line);border-radius:8px;margin-bottom:4px;text-decoration:none;color:inherit;background:var(--card);white-space:normal}
.fail{color:var(--bad);font-size:.78rem;display:block}
.composer{padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);color:var(--mute);font-size:.88rem;text-align:center}
.form{padding:16px}
.form label{display:block;margin:0 0 12px;font-size:.88rem;color:var(--mute)}
.form input,.form select{display:block;width:100%;padding:11px 12px;margin-top:4px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink)}
.btn{background:var(--acc);color:var(--acc-ink);border:0;border-radius:10px;padding:12px 18px;font-weight:600}
.btn.alt{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn.sm{padding:6px 12px;font-weight:500;font-size:.85rem}
.msgline{margin:8px 0;font-size:.9rem}
.msgline.bad{color:var(--bad)}.msgline.good{color:var(--acc)}
.login{margin:auto;width:100%;max-width:380px;padding:24px 20px}
.login h1{margin:0 0 4px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:10px 12px}
.card .r{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:8px}
.card select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--card)}
.tag{font-size:.72rem;background:var(--bg);border:1px solid var(--line);padding:1px 8px;border-radius:10px;color:var(--mute)}
h2.sec{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin:18px 14px 4px}

.cform{display:flex;gap:8px;align-items:flex-end;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line)}
.cform[hidden],.cclosed[hidden],.composer[hidden],.cerr[hidden]{display:none}
.cform textarea{flex:1;min-width:0;resize:none;max-height:140px;padding:10px 14px;border:1px solid var(--line);border-radius:20px;background:var(--bg);color:var(--ink);font:inherit;line-height:1.3}
.send{width:44px;height:44px;border-radius:50%;border:0;background:var(--acc);color:var(--acc-ink);font-size:1.2rem;flex:none}
.send:disabled{opacity:.5}
.cclosed{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);font-size:.9rem;color:var(--warn)}
.cerr{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:8px 14px;background:var(--warnbg);color:var(--bad);font-size:.88rem}
.sheetbg{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:50}
.sheet{background:var(--bg);width:100%;max-width:760px;max-height:88vh;display:flex;flex-direction:column;border-radius:16px 16px 0 0}
.sheethead{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.sheethead .iconbtn{color:var(--ink)}
.sheetbody{overflow-y:auto;padding:6px 0 calc(14px + env(safe-area-inset-bottom))}
.sheetbody>.msgline{margin:8px 14px}
.tplcard{display:block;width:calc(100% - 28px);margin:8px 14px;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink)}
.tplcard:disabled{opacity:.6;cursor:not-allowed}
.tplprev{display:block;color:var(--mute);font-size:.88rem;margin-top:4px;white-space:pre-wrap}
.tplprev.big{margin:0 0 12px;padding:10px 12px;background:var(--out);color:var(--ink);border-radius:12px}
.r2{display:flex;gap:10px;margin-top:6px}.r2 .btn{flex:1}

.bar.scroll{overflow-x:auto;scrollbar-width:none}.bar.scroll::-webkit-scrollbar{display:none}.bar.scroll input[type=search]{flex:1 0 150px}
.star{color:#d97706;font-size:.95rem}
.ltags{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.ltag{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;border:1px solid var(--line);border-radius:10px;padding:1px 8px;background:var(--card);color:var(--ink)}
.ltag i{width:9px;height:9px;border-radius:50%;display:inline-block}
.hbtns{display:inline-flex;gap:2px}
.lrow{display:flex;align-items:center;justify-content:space-between;padding:4px 14px}
.lcheck{display:flex;align-items:center;gap:10px;flex:1;padding:8px 0}
.lcheck input{width:20px;height:20px}
.iconbtn.dim{color:var(--mute);font-size:1rem}
.swatches{display:flex;gap:10px;margin:2px 0 12px}
.sw{width:30px;height:30px;border-radius:50%;border:2px solid transparent;padding:0}
.sw.on{border-color:var(--ink)}
.arow{display:block;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--line);text-decoration:none;color:inherit;font-size:.92rem}
a.arow:active{background:var(--bg)}
.arow .tm{margin-bottom:2px}
.tag.bad{color:var(--bad);border-color:var(--bad)}
.bar select{flex:1;min-width:0;padding:9px 10px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink)}

/* ---- attachments, voice, location ---- */
.cform .att{align-self:flex-end;height:44px;width:40px;padding:0;font-size:1.35rem;color:var(--mute)}
.send[hidden]{display:none}
.send.mic{background:var(--card);color:var(--acc);border:1px solid var(--line)}
.cvoice{display:flex;align-items:center;gap:10px;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line)}
.cvoice[hidden]{display:none}
.cvoice .iconbtn{color:var(--bad)}
.rdot{width:12px;height:12px;border-radius:50%;background:var(--bad);animation:rp 1s infinite}
@keyframes rp{50%{opacity:.25}}
.rtime{font-variant-numeric:tabular-nums;font-weight:600}
.rhint{flex:1;color:var(--mute);font-size:.88rem}
.attgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:14px 12px calc(18px + env(safe-area-inset-bottom))}
.attopt{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 4px;font-size:.78rem;text-align:center}
.attopt b{font-size:1.7rem;font-weight:400;line-height:1}
.mediasend{padding:12px 14px calc(14px + env(safe-area-inset-bottom))}
.mediasend .msgline{margin:6px 0}
.mprev{display:block;max-width:100%;max-height:42vh;margin:0 auto 6px;border-radius:10px}
audio.mprev{width:100%}
.capin,.mediasend input[type=text]{display:block;width:100%;padding:11px 12px;margin:8px 0;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink)}
.mediasend .file.big{display:block;text-align:center;padding:22px 10px;font-size:1.05rem;word-break:break-all}
.prog{height:6px;border-radius:3px;background:var(--line);overflow:hidden;margin:8px 0}
.prog i{display:block;height:100%;width:0;background:var(--acc);transition:width .15s}
.or{text-align:center;color:var(--mute);font-size:.8rem;margin:8px 0}
.lab{display:block;flex:1;font-size:.8rem;color:var(--mute)}
.lab input{margin-top:4px}
.thumb{display:block;position:relative;border:0;padding:0;background:none;cursor:zoom-in;max-width:100%}
.thumb img,.thumb video{display:block;max-width:100%;max-height:340px;border-radius:8px;margin-bottom:4px}
.vthumb .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-62%);width:54px;height:54px;line-height:54px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:1.4rem;text-align:center}
button.file{font:inherit;color:inherit;text-align:left;cursor:pointer}
.loc{display:flex;flex-direction:column;gap:3px;min-width:180px;align-items:flex-start}
.locl{font-size:.88rem;color:var(--mute);white-space:normal}
.loc .btn{text-decoration:none;display:inline-block;margin-top:4px;color:var(--ink)}
body.noscroll{overflow:hidden}
.viewer{position:fixed;inset:0;z-index:100;background:#0b0f0e;color:#f3f6f5;display:flex;flex-direction:column}
.vtop{display:flex;align-items:center;gap:6px;padding:calc(8px + env(safe-area-inset-top)) 8px 8px;background:rgba(0,0,0,.55)}
.vback{background:transparent;border:0;color:#fff;font-size:1.15rem;padding:10px 14px 10px 8px;border-radius:10px;white-space:nowrap}
.vback:active{background:rgba(255,255,255,.18)}
.vtt{flex:1;min-width:0;display:flex;flex-direction:column}
.vtitle{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.vsub{font-size:.76rem;opacity:.75}
.vbtn{background:transparent;border:0;color:#fff;font-size:1.35rem;width:46px;height:46px;border-radius:10px}
.vbtn:active{background:rgba(255,255,255,.18)}
.vstage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.vstage.pan{overflow:auto;display:block}
.vimg{max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-in}
.vimg.zoomed{max-width:none;max-height:none;width:220%;cursor:zoom-out}
.vvid{max-width:100%;max-height:100%;background:#000}
.vstage.pdf{display:block;overflow:auto;background:#3a3f3e;-webkit-overflow-scrolling:touch}
.pdfwrap{display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px}
.pdfpage{background:#fff}
.pdfpage canvas{display:block}
.vnote{color:#cfd8d5}
.vcard{max-width:340px;padding:24px;text-align:center}
.vico{display:block;font-size:3rem;font-weight:400}
.vname{font-weight:600;word-break:break-all;margin:6px 0}
.vcard p{opacity:.8}
.vnav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:64px;border:0;background:rgba(0,0,0,.45);color:#fff;font-size:2rem;z-index:2}
.vnav[hidden]{display:none}
.vnav.l{left:0;border-radius:0 12px 12px 0}.vnav.r{right:0;border-radius:12px 0 0 12px}
@media (hover:none){.vnav{opacity:.55}}
a.tplcard.dl{text-decoration:none;color:var(--ink)}
.hrow{display:flex;gap:12px;align-items:flex-start;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--line)}
.hrow .ht{display:block;color:var(--mute);font-size:.88rem;word-break:break-word}
.hd{width:12px;height:12px;border-radius:50%;flex:none;margin-top:5px;background:#9aa8a3}
.hd.ok{background:#22c55e}.hd.warn{background:#f59e0b}.hd.bad{background:var(--bad)}
a.btn{text-decoration:none;text-align:center;display:block}