:root{--green: #008069;--green-deep: #075e54;--accent: #00a884;--accent-deep: #017561;--ink: #111b21;--muted: #667781;--line: #e9edef;--chat-bg: #ece5dd;--bubble-out: #d9fdd3;--bubble-in: #ffffff;--surface: #ffffff;--badge: #25d366;--radius-pill: 999px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{color:var(--ink);background:var(--green);overscroll-behavior-y:none}input,button{font-family:inherit}#root{display:flex;justify-content:center;background:#d7dce0}.screen,.login,.splash{width:100%;max-width:480px;height:100dvh;background:var(--surface);display:flex;flex-direction:column;position:relative;overflow:hidden}.splash{align-items:center;justify-content:center;background:var(--green);color:#fff;font-size:30px;font-weight:700;letter-spacing:.5px}.bar{background:var(--green);color:#fff;display:flex;align-items:center;gap:10px;flex-shrink:0;padding:calc(10px + env(safe-area-inset-top)) 12px 10px}.bar-title{font-size:20px;font-weight:700;flex:1;letter-spacing:-.2px}.icon-btn{width:38px;height:38px;border-radius:50%;border:0;cursor:pointer;background:#ffffff24;color:#fff;display:grid;place-items:center;flex-shrink:0;transition:background .15s}.icon-btn:hover{background:#ffffff42}.icon-btn svg{width:19px;height:19px;fill:#fff}.chat-head .chat-id{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.chat-head .chat-who{flex:1;min-width:0}.chat-name{font-size:15.5px;font-weight:700;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-status{font-size:12px;color:#ffffffd9}.avatar{border-radius:50%;flex-shrink:0;display:grid;place-items:center;color:#fff;font-weight:700;position:relative}.avatar-on{position:absolute;right:1px;bottom:1px;width:12px;height:12px;border-radius:50%;background:var(--badge);border:2px solid #fff}.search{padding:8px 12px;background:var(--surface);flex-shrink:0}.search-field{display:flex;align-items:center;gap:8px;background:#f0f2f4;border-radius:var(--radius-pill);padding:8px 14px}.search-field svg{width:16px;height:16px;fill:var(--muted);flex-shrink:0}.search-field input{border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--ink)}.seg{display:flex;gap:6px;padding:8px 12px 4px;background:var(--surface);flex-shrink:0}.seg-btn{flex:1;border:0;background:#f0f2f4;color:var(--muted);font-size:13.5px;font-weight:600;padding:9px 8px;border-radius:var(--radius-pill);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:background .15s,color .15s}.seg-btn.active{background:var(--green);color:#fff}.seg-badge{background:var(--badge);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:var(--radius-pill);padding:0 5px;display:grid;place-items:center}.seg-btn.active .seg-badge{background:#fff;color:var(--green)}.list{overflow-y:auto;flex:1;background:var(--surface)}.row{display:flex;align-items:center;gap:12px;padding:10px 14px;cursor:pointer;border-bottom:1px solid var(--line);transition:background .12s}.row:active{background:#f2f4f5}.row-mid{flex:1;min-width:0}.row-name{font-size:15.5px;font-weight:600;margin-bottom:2px}.row-prev{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-prev b{color:#3b4a52;font-weight:600}.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex-shrink:0}.row-time{font-size:11.5px;color:var(--muted)}.row-time.unread{color:var(--accent-deep);font-weight:700}.badge{min-width:20px;height:20px;padding:0 6px;border-radius:var(--radius-pill);background:var(--badge);color:#fff;font-size:11.5px;font-weight:700;display:grid;place-items:center}.thread{flex:1;overflow-y:auto;background-color:var(--chat-bg);background-image:radial-gradient(rgba(0,0,0,.025) 1px,transparent 1px);background-size:22px 22px;padding:12px 10px 8px;display:flex;flex-direction:column}.daychip{align-self:center;background:#fffc;color:#54656f;font-size:11.5px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);margin:8px 0 10px;box-shadow:0 1px 1px #111b2114;text-transform:capitalize}.msg{display:flex;margin-top:8px;padding:0 2px}.msg.cont{margin-top:2px}.msg.mine{justify-content:flex-end}.msg.other{justify-content:flex-start}.bubble{position:relative;max-width:78%;padding:6px 9px 7px 10px;border-radius:10px;font-size:14.5px;line-height:1.4;color:#1f2c33;box-shadow:0 1px .5px #0b141a21;word-wrap:break-word;white-space:pre-wrap}.msg.mine .bubble{background:var(--bubble-out);border-top-right-radius:3px}.msg.other .bubble{background:var(--bubble-in);border-top-left-radius:3px}.msg.cont.mine .bubble{border-top-right-radius:10px}.msg.cont.other .bubble{border-top-left-radius:10px}.bubble-author{font-size:12.5px;font-weight:700;margin-bottom:1px}.bubble-text{margin-right:42px}.bubble-time{position:absolute;right:8px;bottom:5px;font-size:10.5px;color:var(--muted)}.quote{border-left:3px solid var(--accent);background:#0000000a;border-radius:5px;padding:4px 8px;margin-bottom:4px;max-width:100%}.quote-author{font-size:12px;font-weight:700;margin-bottom:1px}.quote-text{font-size:12.5px;color:#54656f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mention{color:var(--accent-deep);font-weight:600}.edited{font-size:10px;color:var(--muted);margin:0 36px 0 6px;font-style:italic}.reactions{display:flex;flex-wrap:wrap;gap:4px;margin:2px 4px 0}.reactions.r-mine{justify-content:flex-end}.reaction{display:inline-flex;align-items:center;gap:3px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);padding:1px 8px;font-size:12.5px;cursor:pointer;color:#54656f}.reaction.on{background:#d6f3ea;border-color:var(--accent);color:var(--accent-deep)}.r-emoji{font-size:14px}.thread-ind{align-self:flex-start;margin:3px 4px 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);padding:2px 10px;font-size:12px;color:var(--accent-deep);font-weight:600;cursor:pointer}.thread-ind.r-mine{align-self:flex-end}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:flex-end;justify-content:center;z-index:50;animation:fade .15s ease}.sheet{width:100%;max-width:480px;background:#fff;border-radius:18px 18px 0 0;padding:10px 12px calc(12px + env(safe-area-inset-bottom));animation:slideup .18s ease}.sheet-emojis{display:flex;justify-content:space-between;gap:4px;padding:6px 4px 12px;border-bottom:1px solid var(--line);margin-bottom:6px}.sheet-emoji{border:0;background:transparent;font-size:26px;cursor:pointer;padding:4px;border-radius:10px;transition:transform .1s,background .1s}.sheet-emoji:active{transform:scale(1.2);background:#f0f2f4}.sheet-action{display:block;width:100%;text-align:left;border:0;background:transparent;font-size:15px;padding:13px 8px;cursor:pointer;border-radius:10px;color:var(--ink)}.sheet-action:active{background:#f0f2f4}.sheet-action.cancel{text-align:center;color:var(--muted);font-weight:600}@keyframes fade{0%{opacity:0}}@keyframes slideup{0%{transform:translateY(100%)}}.composer-wrap{flex-shrink:0}.reply-bar{display:flex;align-items:center;gap:8px;background:#e9f5f1;border-left:3px solid var(--accent);padding:7px 12px;margin:0 8px;border-radius:6px 6px 0 0}.reply-info{flex:1;min-width:0}.reply-to{font-size:12.5px;font-weight:700;color:var(--accent-deep)}.reply-snippet{font-size:12.5px;color:#54656f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-cancel{border:0;background:transparent;font-size:16px;color:var(--muted);cursor:pointer;padding:4px}.mention-list{background:#fff;border:1px solid var(--line);border-radius:12px;margin:0 8px 4px;overflow:hidden;box-shadow:0 -2px 10px #00000014;max-height:210px;overflow-y:auto}.mention-item{display:flex;align-items:baseline;gap:8px;width:100%;border:0;background:transparent;padding:10px 14px;cursor:pointer;text-align:left;border-bottom:1px solid var(--line)}.mention-item:active{background:#f0f2f4}.mention-u{font-weight:700;color:var(--accent-deep);font-size:14px}.mention-n{font-size:13px;color:var(--muted)}.thread-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--surface);display:flex;flex-direction:column;z-index:40;animation:slidein .18s ease}@keyframes slidein{0%{transform:translate(100%)}}.thread-parent{border-bottom:1px dashed var(--line);padding-bottom:8px;margin-bottom:4px}.thread-sep{align-self:center;font-size:11.5px;color:var(--muted);font-weight:600;margin:4px 0 8px}.att-image-wrap{display:block;margin-top:4px;margin-right:0}.att-image{max-width:230px;max-height:280px;width:auto;border-radius:10px;display:block}.att-file{display:inline-flex;align-items:center;gap:6px;margin-top:4px;margin-right:42px;padding:8px 12px;background:#0000000d;border-radius:10px;font-size:13.5px;color:var(--accent-deep);text-decoration:none}.chat-status.typing{color:#c7f5e6;font-style:italic}.sheet-action.danger{color:#c0392b}.reply-bar.editbar{background:#fff7e6;border-left-color:#e0a106}.reply-bar.editbar .reply-to{color:#b7791f}.composer{flex-shrink:0;background:#f0f2f4;padding:8px 10px calc(8px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:8px}.attach{width:42px;height:42px;border-radius:50%;border:0;background:transparent;cursor:pointer;display:grid;place-items:center;flex-shrink:0}.attach svg{width:24px;height:24px;fill:var(--muted)}.attach:active{background:#0000000f}.composer-field{flex:1;display:flex;align-items:center;background:var(--surface);border-radius:var(--radius-pill);padding:10px 16px;box-shadow:0 1px 1px #111b210f}.composer-field input{border:0;outline:none;background:transparent;flex:1;font-size:15px;color:var(--ink)}.send{width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;flex-shrink:0;background:var(--accent);display:grid;place-items:center;box-shadow:0 2px 8px -1px #00a88480;transition:transform .12s,background .15s}.send:hover{background:var(--accent-deep)}.send:active{transform:scale(.94)}.send:disabled{background:#9fd3c6;box-shadow:none;cursor:default}.send svg{width:21px;height:21px;fill:#fff;margin-left:2px}.hint{text-align:center;color:var(--muted);font-size:14px;padding:24px 16px}.hint-error{color:#c0392b}.chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 12px 8px;background:var(--surface)}.chip{border:0;background:#d6f3ea;color:var(--accent-deep);font-size:13px;font-weight:600;padding:6px 12px;border-radius:var(--radius-pill);cursor:pointer}.check{width:24px;height:24px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:#fff;font-size:14px;font-weight:700}.check.on{background:var(--accent);border-color:var(--accent)}.fab{position:absolute;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));width:58px;height:58px;border-radius:50%;border:0;background:var(--accent);cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 16px -3px #00a88499;z-index:30;transition:transform .12s,background .15s}.fab:hover{background:var(--accent-deep)}.fab:active{transform:scale(.93)}.fab svg{width:26px;height:26px;fill:#fff}.settings{flex:1;overflow-y:auto;background:#f4f6f8}.settings-profile{display:flex;flex-direction:column;align-items:center;gap:10px;padding:28px 16px;background:#fff;border-bottom:1px solid var(--line)}.settings-username{font-size:16px;font-weight:600;color:var(--ink)}.settings-section{margin-top:12px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.settings-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 18px;font-size:15.5px;color:var(--ink);background:transparent;border:0;cursor:pointer;text-align:left}.settings-row:active{background:#f0f2f4}.settings-row.danger{color:#c0392b;font-weight:600}.settings-row.danger svg{fill:#c0392b}.switch{width:44px;height:26px;border-radius:var(--radius-pill);background:#c9d2d8;position:relative;transition:background .18s;flex-shrink:0}.switch.on{background:var(--accent)}.switch .knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .18s}.switch.on .knob{transform:translate(18px)}.install-banner{display:flex;align-items:center;gap:8px;background:#e9f5f1;border-bottom:1px solid var(--line);padding:9px 12px}.install-text{flex:1;font-size:13px;color:#234}.install-btn{border:0;background:var(--accent);color:#fff;font-weight:700;font-size:13px;padding:7px 14px;border-radius:var(--radius-pill);cursor:pointer}.install-x{border:0;background:transparent;color:var(--muted);font-size:15px;cursor:pointer;padding:4px}.login{align-items:center;justify-content:center;background:linear-gradient(160deg,#008069,#054d44);padding:24px}.login-card{width:100%;max-width:360px;background:#fff;border-radius:20px;padding:32px 24px;box-shadow:0 18px 50px -16px #0006}.login-logo{font-size:28px;font-weight:800;color:var(--green);text-align:center;letter-spacing:-.5px}.login-sub{text-align:center;color:var(--muted);font-size:14px;margin:6px 0 22px}.login-input{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font-size:15px;margin-bottom:12px;outline:none;transition:border-color .15s}.login-input:focus{border-color:var(--accent)}.login-error{background:#fdecea;color:#c0392b;font-size:13px;border-radius:8px;padding:9px 12px;margin-bottom:12px}.login-btn{width:100%;border:0;border-radius:12px;background:var(--accent);color:#fff;font-size:15.5px;font-weight:700;padding:13px;cursor:pointer;transition:background .15s}.login-btn:hover:not(:disabled){background:var(--accent-deep)}.login-btn:disabled{opacity:.6;cursor:default}