:root{--bg:#0f141b;--surface:#171e28;--surface-2:#1e2733;--line:#26303d;--text:#e8edf2;--text-dim:#8b98a5;--accent:#4cc2c9;--accent-strong:#2ea8b0;--bubble-in:#1e2733;--bubble-out:#145e63;--danger:#e5636b;--warn:#d9a441;--radius:14px;--avatar-1:#4cc2c9;--avatar-2:#6f8ce0;--avatar-3:#b078d6;--avatar-4:#d97b96;--avatar-5:#d9a441;--avatar-6:#67b978}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none;font-family:-apple-system,SF Pro Text,Helvetica Neue,system-ui,sans-serif;font-size:16px}.screen{height:100%;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);flex-direction:column;display:flex}.center{flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:24px;display:flex}.muted{color:var(--text-dim);margin:0}.small{font-size:13px}.brand-mark{background:linear-gradient(160deg, var(--accent) 0%, #23616f 100%);border-radius:24px;width:84px;height:84px;position:relative}.brand-mark:after{content:"";background:#f2fbfc;border-radius:10px 10px 10px 2px;position:absolute;inset:24px 22px 30px}.brand-title{letter-spacing:.5px;margin:6px 0 0;font-size:28px;font-weight:700}.login-form{flex-direction:column;gap:12px;width:100%;max-width:320px;margin-top:18px;display:flex}input[type=text],input[type=password]{background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:var(--radius);outline:none;width:100%;padding:13px 16px;font-size:16px}input:focus{border-color:var(--accent)}.btn-primary{background:var(--accent-strong);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;padding:13px 16px;font-size:16px;font-weight:600}.btn-primary:disabled{opacity:.5}.btn-small{background:var(--accent-strong);color:#fff;border:none;border-radius:10px;padding:6px 12px;font-size:13px;font-weight:600}.form-error{color:var(--danger);text-align:center;margin:0;font-size:14px}.topbar{background:var(--surface);border-bottom:1px solid var(--line);align-items:center;gap:8px;min-height:54px;padding:8px 12px;display:flex}.topbar h1{text-align:center;flex:1;margin:0;font-size:18px;font-weight:700}.topbar-title{flex-direction:column;flex:1;align-items:center;gap:1px;display:flex}.topbar-title h1{flex:none}.enc-state{font-size:11px}.enc-state.ok{color:var(--accent)}.enc-state.warn{color:var(--warn)}.icon-btn{color:var(--accent);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:22px;display:inline-flex}.icon-btn.accent{font-size:18px}.chat-list{-webkit-overflow-scrolling:touch;flex:1;overflow-y:auto}.chat-item{width:100%;color:inherit;text-align:left;cursor:pointer;border:none;border-bottom:1px solid var(--line);background:0 0;align-items:center;gap:12px;padding:10px 14px;display:flex}.chat-item:active{background:var(--surface)}.chat-item.invite{background:#4cc2c90f}.chat-item-body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.chat-item-top{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.chat-name{text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:600;overflow:hidden}.chat-time{color:var(--text-dim);flex-shrink:0;font-size:12px}.chat-item-bottom{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-preview{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.badge{background:var(--accent-strong);color:#fff;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;min-width:21px;height:21px;padding:0 6px;font-size:12px;font-weight:700;display:inline-flex}.avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;font-size:17px;font-weight:700;display:inline-flex}.avatar.small{width:36px;height:36px;font-size:13px}.avatar.c0{background:var(--avatar-1)}.avatar.c1{background:var(--avatar-2)}.avatar.c2{background:var(--avatar-3)}.avatar.c3{background:var(--avatar-4)}.avatar.c4{background:var(--avatar-5)}.avatar.c5{background:var(--avatar-6)}.empty-state{flex-direction:column;align-items:center;gap:14px;padding:60px 20px;display:flex}.messages{-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:6px;padding:12px 12px 6px;display:flex;overflow-y:auto}.msg-row{display:flex}.msg-row.mine{justify-content:flex-end}.msg-row.theirs{justify-content:flex-start}.bubble{word-break:break-word;overflow-wrap:anywhere;border-radius:16px;flex-direction:column;max-width:78%;padding:8px 12px;font-size:15.5px;line-height:1.35;display:flex}.bubble.mine{background:var(--bubble-out);border-bottom-right-radius:5px}.bubble.theirs{background:var(--bubble-in);border-bottom-left-radius:5px}.msg-sender{color:var(--accent);margin-bottom:2px;font-size:12.5px;font-weight:600}.msg-text{white-space:pre-wrap}.msg-text a{color:var(--accent)}.msg-pending{color:var(--text-dim);font-style:italic}.msg-time{color:#e8edf28c;align-self:flex-end;margin-top:2px;font-size:11px}.composer{background:var(--surface);border-top:1px solid var(--line);align-items:center;gap:8px;padding:8px 10px;display:flex}.composer input{border-radius:20px;flex:1}.composer-error{padding:4px 12px}.send-btn{background:var(--accent-strong);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:17px;display:inline-flex}.send-btn:disabled{opacity:.4}.new-chat{flex:1}.link-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;margin-top:6px;font-size:14px;text-decoration:underline}.settings{flex:1;padding:8px 16px 24px;overflow-y:auto}.settings-block{border-bottom:1px solid var(--line);flex-direction:column;gap:8px;padding:16px 0;display:flex}.settings-block h2{color:var(--accent);margin:0;font-size:15px;font-weight:700}.settings-form{flex-direction:column;gap:10px;margin-top:4px;display:flex}.form-notice{color:var(--accent);margin:0;font-size:14px}.btn-secondary{background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:var(--radius);cursor:pointer;padding:13px 16px;font-size:16px;font-weight:600}.btn-danger{border:1px solid var(--danger);color:var(--danger);border-radius:var(--radius);cursor:pointer;background:0 0;padding:13px 16px;font-size:16px;font-weight:600}.bubble{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.msg-flag{color:var(--text-dim);margin-bottom:2px;font-size:11.5px;font-style:italic}.msg-meta{align-self:flex-end;align-items:center;gap:6px;margin-top:2px;display:flex}.msg-edited{color:#e8edf280;font-size:11px}.msg-flag-inline{font-size:11px}.reply-quote{text-align:left;border:none;border-left:3px solid var(--accent);cursor:pointer;color:inherit;background:#ffffff12;border-radius:6px;flex-direction:column;gap:1px;max-width:100%;margin-bottom:4px;padding:5px 8px;display:flex}.reply-quote-name{color:var(--accent);font-size:12px;font-weight:600}.reply-quote-text{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.reactions{flex-wrap:wrap;gap:4px;margin-top:5px;display:flex}.reaction{color:var(--text);cursor:pointer;background:#ffffff17;border:1px solid #0000;border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:13px;display:inline-flex}.reaction.mine{border-color:var(--accent);background:#4cc2c92e}.reaction-count{color:var(--text-dim);font-size:12px}.reaction.mine .reaction-count{color:var(--accent)}.pinned-bar{background:var(--surface);border-bottom:1px solid var(--line)}.pinned-head{width:100%;color:var(--accent);text-align:left;cursor:pointer;background:0 0;border:none;padding:8px 14px;font-size:13px;font-weight:600}.pinned-list{flex-direction:column;display:flex}.pinned-item{border:none;border-top:1px solid var(--line);text-align:left;cursor:pointer;color:inherit;background:0 0;flex-direction:column;gap:2px;padding:8px 14px;display:flex}.pinned-sender{color:var(--accent);font-size:12px;font-weight:600}.pinned-text{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.composer-context{background:var(--surface);border-top:1px solid var(--line);align-items:center;gap:6px;padding:6px 10px 0 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#0000;border-radius:50%;width:42px;height:42px;font-size:22px}.reaction-pick.active{border-color:var(--accent);background:#4cc2c926}.sheet-item{color:var(--text);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:10px;padding:13px 14px;font-size:16px}.sheet-item:active{background:var(--surface-2)}.sheet-item.danger{color:var(--danger)}.sheet-item.cancel{color:var(--text-dim);text-align:center;margin-top:4px}.forward-preview{background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;gap:2px;padding:10px 14px;display:flex}.recovery-key{background:var(--surface-2);border:1px solid var(--accent);word-break:break-all;-webkit-user-select:all;user-select:all;border-radius:10px;padding:12px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:14px;line-height:1.5;display:block}.device-row{border-top:1px solid var(--line);align-items:center;gap:10px;padding:10px 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0;border:none;flex:1;align-items:center;gap:12px;padding:0;display:flex}.avatar.group{border-radius:16px}.member-actions{align-items:center;gap:8px;display:flex}.member-actions select{background:var(--surface-2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:13px}.attachment{flex-direction:column;gap:4px;max-width:100%;display:flex}.attachment.image img,.attachment video{cursor:pointer;border-radius:10px;max-width:100%;max-height:320px;display:block}.attachment-placeholder{min-width:160px;min-height:90px;color:var(--text-dim);background:#ffffff0f;border-radius:10px;justify-content:center;align-items:center;font-size:13px;display:flex}.attachment-caption{color:var(--text-dim);font-size:12px}.file-card{background:#ffffff0f;border-radius:10px;flex-direction:row;align-items:center;gap:10px;min-width:220px;padding:8px 10px}.file-icon{font-size:22px}.file-meta{flex-direction:column;flex:1;min-width:0;display:flex}.file-name{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.file-card .btn-small{align-items:center;text-decoration:none;display:inline-flex}.voice{align-items:center;gap:8px;min-width:210px;display:flex}.voice-play{background:var(--accent-strong);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;width:34px;height:34px;font-size:13px}.waveform{flex:1;align-items:center;gap:2px;min-width:60px;height:26px;display:flex}.waveform span{background:#ffffff73;border-radius:1px;flex:1;min-height:3px}.voice-time{color:var(--text-dim);flex-shrink:0;font-size:12px}.voice-rate{border:1px solid var(--line);color:var(--text-dim);cursor:pointer;background:0 0;border-radius:8px;flex-shrink:0;padding:2px 6px;font-size:11px}.composer-status{color:var(--accent);margin:0;padding:4px 14px;font-size:13px}.recording-bar{background:var(--surface);border-top:1px solid var(--line);align-items:center;gap:10px;padding:8px 14px;font-size:14px;display:flex}.rec-dot{background:var(--danger);border-radius:50%;width:10px;height:10px;animation:1s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.send-btn.recording{background:var(--danger)}.search-input{background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:999px;outline:none;flex:1;padding:8px 14px;font-size:15px}.chat-item.saved{background:#4cc2c90d}.avatar.saved-avatar{background:linear-gradient(160deg, var(--accent) 0%, #23616f 100%);font-size:22px}.call-screen{background:#0b1016;position:relative}.call-remote{flex:1;justify-content:center;align-items:center;display:flex;overflow:hidden}.call-remote video{object-fit:cover;width:100%;height:100%}.call-remote video.hidden{display:none}.call-avatar{width:120px;height:120px;font-size:40px}.call-info{top:calc(24px + env(safe-area-inset-top));text-align:center;text-shadow:0 1px 6px #0009;flex-direction:column;align-items:center;gap:4px;padding:0 20px;display:flex;position:absolute;left:0;right:0}.call-info h1{margin:0;font-size:22px}.call-local{object-fit:cover;border:1px solid var(--line);background:#000;border-radius:12px;width:96px;height:128px;position:absolute;bottom:120px;right:14px}.call-actions{padding:22px 0 calc(28px + env(safe-area-inset-bottom));justify-content:center;gap:18px;display:flex}.call-btn{background:var(--surface-2);width:60px;height:60px;color:var(--text);cursor:pointer;border:none;border-radius:50%;font-size:22px}.call-btn.accept{color:#fff;background:#2f9e59}.call-btn.end{background:var(--danger);color:#fff}.sheet.report{padding:16px 16px calc(16px + env(safe-area-inset-bottom));gap:10px}.sheet.report h2{margin:0 0 4px;font-size:17px}.report-preview{border-left:3px solid var(--warn);flex-direction:column;gap:2px;padding-left:10px;display:flex}.checkbox-row{color:var(--text-dim);align-items:flex-start;gap:10px;font-size:13px;line-height:1.4;display:flex}.checkbox-row input{flex-shrink:0;margin-top:2px}.report-payload ul{color:var(--text-dim);margin:4px 0 0;padding-left:18px;font-size:13px}.report-payload li.highlight{color:var(--warn)}.report-exact{background:var(--surface-2);white-space:pre-wrap;word-break:break-word;border-radius:8px;max-height:120px;margin:8px 0 0;padding:8px;font-size:12px;overflow:auto}.thread-link{color:var(--accent);cursor:pointer;background:#4cc2c91f;border:none;border-radius:8px;align-self:flex-start;align-items:center;gap:6px;margin-top:5px;padding:4px 8px;font-size:12.5px;font-weight:600;display:inline-flex}.typing-indicator{color:var(--accent);margin:0;padding:2px 14px 4px;font-size:12.5px;font-style:italic}