:root{--bg: #ffffff;--bg-canvas: #ECEAE6;--bg2: #F4F2EF;--bg3: #FAF9F7;--line: #E4E2DE;--line2: #EDEBE7;--text: #14161A;--text2: #4B4F56;--muted: #6E7178;--faint: #9A9DA3;--faint2: #B6B8BD;--accent: #2A5BD7;--accent-hover: #1E44A8;--accent-tint: #EEF2FE;--accent-tint-text: #1E44A8;--green: #1F9D55;--amber: #C9A227;--danger: #D9463D;--danger-tint: #FBE9E7;--danger-tint-text: #A12A22;--bubble: #ffffff;--bubble-line: #E4E2DE;--mine: #2A5BD7;--mine-text: #ffffff;--rail: #14161A;--shadow: 0 10px 30px rgba(20,22,26,.12);--shadow-sm: 0 1px 2px rgba(0,0,0,.06);--nav-h: 64px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;color-scheme:light}:root[data-theme=dark]{--bg: #14161A;--bg-canvas: #0E0F12;--bg2: #1F2228;--bg3: #24272E;--line: #2C3038;--line2: #262930;--text: 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auto;display:flex;justify-content:space-around;align-items:stretch;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--bg);border-top:1px solid var(--line2)}.bottom-nav button{flex:1;background:transparent;border:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--faint);font-size:11px;font-weight:500;position:relative}.bottom-nav button.active{color:var(--accent)}.bottom-nav .nav-ic{font-size:22px;line-height:1}.bottom-nav .nav-badge{position:absolute;top:8px;left:calc(50% + 6px);min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:#fff;font-size:11px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.bottom-nav .nav-av{width:24px;height:24px;border-radius:50%;background:var(--bg2);border:2px solid transparent;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600;color:var(--text2)}.bottom-nav button.active .nav-av{border-color:var(--accent);color:var(--accent)}.rail{display:none}@media (min-width: 900px){body{background:var(--bg-canvas)}.app-root{flex-direction:row;background:var(--bg-canvas)}.app-root .top-bars{position:absolute;top:0;left:56px;right:0;z-index:30}.rail{display:flex;flex-direction:column;align-items:center;gap:8px;width:56px;flex-shrink:0;background:var(--rail);padding:16px 0 14px}.rail .rail-logo{width:32px;height:32px;border-radius:10px;background:var(--accent);margin-bottom:14px}.rail button{width:40px;height:40px;border-radius:12px;border:none;background:transparent;color:#8e929a;font-size:19px;display:flex;align-items:center;justify-content:center;position:relative}.rail button.active{background:#2c3038;color:#fff}.rail button .nav-badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--accent);color:#fff;font-size:10px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.rail .rail-spacer{flex:1}.rail .rail-av{width:32px;height:32px;border-radius:50%;background:#2c3038;color:#fff;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center}.app-main{flex-direction:row}.pane-list{width:340px;flex-shrink:0;border-right:1px solid var(--line);background:var(--bg);display:flex;flex-direction:column;min-height:0}.pane-chat{flex:1;min-width:0;background:var(--bg);display:flex;flex-direction:column}.pane-chat .screen.chat{height:100%}.pane-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--faint);background:var(--bg)}.pane-empty .big{font-size:40px}.bottom-nav{display:none}.topbar{padding-top:12px}.topbar-title{font-size:20px}.tabs{margin:4px 14px 6px}.search-row{padding:2px 14px 8px}.sec-head{padding:12px 16px 4px}.ch-row{padding-left:16px;min-height:60px}.ch-emoji{width:40px;height:40px;border-radius:12px;font-size:19px}.ch-row.indent{padding-left:40px}.thread-tick{left:20px}.messages{padding:16px 28px}.bubble-wrap{max-width:68%}.composer{padding:12px 20px 14px}.composer textarea{max-height:200px}.ch-row.selected{background:var(--bg2)}.sheet-backdrop,.menu,.attach-sheet-backdrop{align-items:center}.sheet,.menu-panel,.attach-sheet,.react-who{border-radius:22px;max-width:520px}.react-bar{max-width:420px}.overlay-screen{left:56px}.jump-btn{bottom:96px;right:28px}.toast{bottom:96px}}@media (max-width: 899px){.pane-list,.pane-chat{display:contents}}.mem-add{display:flex;align-items:center;gap:12px;width:100%;background:var(--accent-tint);color:var(--accent-tint-text);border:none;border-radius:14px;padding:12px 14px;font-size:15px;font-weight:600;margin-bottom:8px;text-align:left}.mem-add-ic{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1}.mem-list{display:flex;flex-direction:column;max-height:52vh;overflow-y:auto;margin:4px 0}.mem-row{display:flex;align-items:center;gap:12px;padding:9px 2px;border-bottom:1px solid var(--line2);width:100%;background:transparent;border-left:0;border-right:0;border-top:0;text-align:left;color:var(--text)}.mem-row.pick:active,.mem-row.pick.on{background:var(--bg2);border-radius:12px}.mem-mid{flex:1;min-width:0}.mem-name{font-size:15px;font-weight:500;display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mem-me{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);background:var(--bg2);border-radius:6px;padding:1px 6px}.mem-sub{font-size:12px;margin-top:1px}.mem-x{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:10px;min-width:34px;height:34px;padding:0 10px;font-size:14px}.mem-x.danger{background:var(--danger);border-color:var(--danger);color:#fff;font-weight:600}.mem-confirm{display:flex;gap:6px}.mem-check{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--faint);font-size:16px}.mem-check.on{background:var(--accent);border-color:var(--accent);color:#fff}