:root{--bg:#0e1116;--bg-elev:#161b22;--bg-input:#21262d;--border:#2a313a;--text:#e6edf3;--text-dim:#8b949e;--accent:#3b82f6;--accent-text:#ffffff;--bubble-in:#21262d;--bubble-out:#2563eb;--danger:#f85149;--safe-bottom:env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,segoe ui,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.4;overscroll-behavior:none}#app{display:flex;flex-direction:column;height:100dvh}.topbar{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--bg-elev);border-bottom:1px solid var(--border);padding-top:calc(12px + env(safe-area-inset-top,0px));position:sticky;top:0;z-index:5}.topbar .title{font-weight:600;font-size:17px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .sub{font-size:12px;color:var(--text-dim);font-weight:400}.chat-banner{padding:8px 14px;font-size:14px;font-weight:500;line-height:1.35;background:var(--bg-elev);color:var(--text);border-bottom:1px solid var(--border);border-left:3px solid var(--border);white-space:pre-wrap;word-break:break-word;position:sticky;top:0;z-index:4}.chat-banner.c-green{background:#16351f;color:#86efac;border-left-color:#22c55e}.chat-banner.c-orange{background:#3a2a12;color:#fbbf24;border-left-color:#f59e0b}.chat-banner.c-red{background:#3a1c1c;color:#fca5a5;border-left-color:#ef4444}.chat-banner.c-blue{background:#16273f;color:#93c5fd;border-left-color:#3b82f6}.chat-banner.c-yellow{background:#38330f;color:#fde68a;border-left-color:#eab308}.swatches{display:flex;flex-wrap:wrap;gap:10px;margin:4px 0 10px}.swatch{width:30px;height:30px;border-radius:50%;cursor:pointer;border:2px solid transparent;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}.swatch.sel{border-color:var(--text)}.swatch.c-none{background:#262d37}.swatch.c-green{background:#22c55e}.swatch.c-orange{background:#f59e0b}.swatch.c-red{background:#ef4444}.swatch.c-blue{background:#3b82f6}.swatch.c-yellow{background:#eab308}.iconbtn{background:0 0;border:none;color:var(--text-dim);font-size:20px;padding:6px;cursor:pointer;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}.iconbtn:hover{background:var(--bg-input);color:var(--text)}.icon{display:block;flex:none}.messages{flex:1;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:6px;overscroll-behavior:contain}#view-chat,#pane-chat{position:relative}.scroll-bottom{position:absolute;right:18px;bottom:calc(var(--composer-h,68px) + 10px);z-index:5;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg-elev);color:var(--text);border:1px solid rgba(255,255,255,.15);box-shadow:0 2px 8px rgba(0,0,0,.35);cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .15s,transform .15s}.scroll-bottom.show{opacity:1;transform:translateY(0);pointer-events:auto}.row{display:flex}.row.out{justify-content:flex-end}.row.in{justify-content:flex-start}.bubble{max-width:78%;padding:8px 12px;border-radius:16px;position:relative;word-wrap:break-word;overflow-wrap:anywhere;white-space:pre-wrap}.row.in .bubble{background:var(--bubble-in);border-bottom-left-radius:4px}.row.out .bubble{background:var(--bubble-out);color:#fff;border-bottom-right-radius:4px}.bubble .meta{font-size:11px;color:var(--text-dim);margin-top:4px;display:flex;gap:8px;align-items:center}.row.out .bubble .meta{color:rgba(255,255,255,.7)}.bubble .msg-link{color:#93c5fd;text-decoration:underline;word-break:break-all}.row.out .bubble .msg-link{color:#fff}.bubble .del{cursor:pointer;opacity:.7;font-size:11px;text-decoration:underline}.bubble .del:hover{opacity:1}.bubble.file a{color:inherit;display:flex;align-items:center;gap:8px;text-decoration:none}.bubble.file .fname{font-weight:600}.bubble.file .fsize{font-size:11px;color:var(--text-dim)}.row.out .bubble.file .fsize{color:rgba(255,255,255,.7)}.daysep{text-align:center;color:var(--text-dim);font-size:12px;margin:8px 0}.empty-hint{color:var(--text-dim);text-align:center;margin:auto;padding:40px}.composer{display:flex;align-items:flex-end;gap:8px;padding:10px 10px calc(10px + var(--safe-bottom));background:var(--bg-elev);border-top:1px solid var(--border)}.composer textarea{flex:1;resize:none;max-height:120px;min-height:40px;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:20px;padding:9px 14px;font:inherit;outline:none}.composer textarea:focus{border-color:var(--accent)}.sendbtn,.attachbtn{flex:none;width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center}.sendbtn{background:var(--accent);color:var(--accent-text)}.sendbtn:disabled{opacity:.5;cursor:default}.attachbtn{background:var(--bg-input);color:var(--text-dim)}.center{flex:1;display:flex;align-items:center;justify-content:center;padding:20px}.card{width:100%;max-width:380px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:24px}.card h1{font-size:20px;margin:0 0 6px}.card p{color:var(--text-dim);margin:0 0 18px;font-size:14px}.card label{display:block;font-size:13px;color:var(--text-dim);margin:12px 0 6px}.card input,.card textarea{width:100%;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:11px 12px;font:inherit;outline:none}.card input:focus{border-color:var(--accent)}.btn{width:100%;margin-top:18px;padding:12px;border:none;border-radius:10px;background:var(--accent);color:var(--accent-text);font:inherit;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:var(--bg-input);color:var(--text)}.btn.danger{background:var(--danger)}.err{color:var(--danger);font-size:13px;margin-top:12px;min-height:18px}.hidden{display:none!important}.panel-wrap{display:flex;height:100dvh}.sidebar{width:300px;flex:none;background:var(--bg-elev);border-right:1px solid var(--border);display:flex;flex-direction:column}.sidebar .head{padding:14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.sidebar .head .title{flex:1;font-weight:600}.chatlist{flex:1;overflow-y:auto}.chatitem{padding:12px 14px;border-bottom:1px solid var(--border);cursor:pointer;display:flex;flex-direction:column;gap:3px}.chatitem:hover{background:var(--bg-input)}.chatitem.active{background:var(--bg-input);border-left:3px solid var(--accent)}.chatitem .name{font-weight:600;font-size:15px}.chatitem .info{font-size:12px;color:var(--text-dim);display:flex;gap:8px}.grouphead{display:flex;align-items:center;gap:8px;cursor:pointer;padding:9px 12px;background:var(--bg-elev);border-bottom:1px solid var(--border);font-size:13px;font-weight:600;color:var(--text-dim);user-select:none}.grouphead:hover{background:var(--bg-input)}.grouphead .chev{display:flex;transition:transform .15s}.grouphead.collapsed .chev{transform:rotate(-90deg)}.grouphead .gname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grouphead .gcount{font-size:11px;font-weight:600;min-width:18px;text-align:center;padding:1px 6px;border-radius:8px;background:var(--border);color:var(--text-dim)}.chatgroup .chatitem{padding-left:22px}.badge{font-size:10px;padding:1px 6px;border-radius:8px;background:var(--border);color:var(--text-dim)}.badge.active{background:#14532d;color:#86efac}.badge.used{background:#3f2d14;color:#fbbf24}.badge.online{background:#14532d;color:#86efac}.badge.waiting{background:#17324f;color:#93c5fd}.badge.offline{background:#262d37;color:#b6c2cf}.badge.gone{background:#3f1a1a;color:#fca5a5}.badge.draft{background:#2a2a33;color:#a5a5b8}.pane{flex:1;display:flex;flex-direction:column;min-width:0}.codebox{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:18px;letter-spacing:2px;text-align:center;background:var(--bg-input);padding:14px;border-radius:10px;margin-top:8px;word-break:break-all}.linkbox{font-size:12px;color:var(--text-dim);word-break:break-all;margin-top:8px}.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}#settings-modal .card{max-height:92vh;overflow-y:auto}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--bg-input);color:var(--text);padding:10px 16px;border-radius:10px;border:1px solid var(--border);z-index:50;font-size:14px}.media-slot{display:flex;flex-direction:column;gap:6px}.file-row{display:flex;align-items:center;gap:8px}.file-row .icon{color:inherit;opacity:.85}.file-info{display:flex;flex-direction:column;min-width:0;flex:1}.file-info .fname{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-info .fsize{font-size:11px;color:var(--text-dim)}.row.out .bubble .file-info .fsize{color:rgba(255,255,255,.7)}.dl-btn{flex:none;width:34px;height:34px;border-radius:50%;border:none;cursor:pointer;color:inherit;background:rgba(255,255,255,.12);display:inline-flex;align-items:center;justify-content:center}.row.in .dl-btn{background:var(--bg-input);color:var(--text)}.dl-btn:hover{background:rgba(255,255,255,.22)}.msg-img{max-width:260px;max-height:320px;width:auto;height:auto;border-radius:12px;cursor:zoom-in;display:block}.msg-media{max-width:280px;max-height:340px;border-radius:12px;display:block;background:#000}.lightbox{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;padding:16px;cursor:zoom-out}.lightbox img{max-width:100%;max-height:100%;border-radius:8px}.camera-modal{position:fixed;inset:0;z-index:80;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center}.camera-modal video{max-width:100%;max-height:82vh}.camera-bar{position:absolute;left:0;right:0;bottom:0;display:flex;gap:12px;justify-content:center;padding:18px 16px calc(18px + env(safe-area-inset-bottom));background:linear-gradient(transparent,rgba(0,0,0,.65))}.camera-bar .btn{flex:1;max-width:200px}.cam-countdown{position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:center;font-size:120px;font-weight:700;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.75)}.btn.recording{background:var(--danger)}.cam-rec-info{position:absolute;top:calc(12px + env(safe-area-inset-top));left:0;right:0;text-align:center;color:#fff;font-variant-numeric:tabular-nums;font-size:15px;text-shadow:0 1px 8px rgba(0,0,0,.8);pointer-events:none}.checkrow{display:flex!important;align-items:center;gap:8px;color:var(--text)!important;cursor:pointer}.checkrow input{width:auto!important;margin:0!important}.progress{height:4px;border-radius:2px;background:rgba(255,255,255,.18);overflow:hidden}.row.in .progress{background:var(--border)}.progress>i{display:block;height:100%;width:0;background:var(--accent);transition:width .1s linear}.composer-progress{padding:0 14px}.composer-progress:empty{display:none}.composer-progress .progress{margin:6px 0;background:var(--border)}.msg-menu{position:fixed;z-index:70;min-width:200px;background:var(--bg-elev);border:1px solid var(--border);border-radius:12px;padding:6px;box-shadow:0 8px 30px rgba(0,0,0,.5)}.msg-menu-item{display:block;width:100%;text-align:left;background:0 0;border:none;color:var(--text);font:inherit;padding:11px 12px;border-radius:8px;cursor:pointer}.msg-menu-item:hover{background:var(--bg-input)}.msg-menu-item.danger{color:var(--danger)}.bubble.hidden-by-user{opacity:.55}.hidden-badge{font-size:10px;color:var(--text-dim);margin-bottom:4px;display:inline-flex;align-items:center;gap:4px}.row.out .bubble.hidden-by-user .hidden-badge{color:rgba(255,255,255,.75)}@media(max-width:720px){.sidebar{width:100%}.panel-wrap.chat-open .sidebar{display:none}.panel-wrap:not(.chat-open) .pane{display:none}}