:root,[data-theme=light]{color-scheme:light;--bg: #eef1f5;--surface: #ffffff;--surface-2: #f5f7fa;--surface-3: #eceff4;--line: #dfe4ea;--line-strong: #c9d1da;--text: #14181d;--text-2: #4a5460;--muted: #78838f;--brand: #40c8e0;--brand-hover: #2fb6ce;--brand-ink: #10829a;--brand-soft: #e2f6fa;--brand-contrast: #05242c;--accent: #ef8f3c;--danger: #c1453c;--success: #2f8f6a;--canvas: #f3f6f9;--canvas-glow: rgba(64, 200, 224, .12);--bubble-in: #ffffff;--bubble-in-line: #e3e7ec;--bubble-out: #dff5fa;--bubble-out-line: #b9e6ef;--bubble-text: #14181d;--quote-bg: rgba(64, 200, 224, .08);--quote-bg-hover: rgba(64, 200, 224, .16);--shadow-sm: 0 1px 2px rgba(20, 24, 29, .06);--shadow-md: 0 6px 24px rgba(20, 24, 29, .1);--shadow-lg: 0 20px 60px rgba(20, 24, 29, .18)}[data-theme=dark]{color-scheme:dark;--bg: #0d1014;--surface: #161a20;--surface-2: #1c222a;--surface-3: #232a34;--line: #262d37;--line-strong: #333c48;--text: #e9edf2;--text-2: #b3bcc7;--muted: #8a94a1;--brand: #40c8e0;--brand-hover: #5ad4e9;--brand-ink: #5fd6ea;--brand-soft: #10313a;--brand-contrast: #04222a;--accent: #e0954a;--danger: #e0625a;--success: #46b189;--canvas: #0f1318;--canvas-glow: rgba(64, 200, 224, .1);--bubble-in: #1a1f26;--bubble-in-line: #242b34;--bubble-out: #143039;--bubble-out-line: #1e4855;--bubble-text: #e9edf2;--quote-bg: rgba(64, 200, 224, .1);--quote-bg-hover: rgba(64, 200, 224, .18);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 8px 28px rgba(0, 0, 0, .45);--shadow-lg: 0 24px 70px rgba(0, 0, 0, .6)}:root{--font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;--radius-sm: 8px;--radius: 12px;--radius-lg: 18px;--rail-w: 72px;--list-w: 340px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px);--ease: cubic-bezier(.22, .61, .36, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--t-fast: .12s;--t-base: .18s;--t-slow: .26s}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html{overflow:hidden;overscroll-behavior:none;background:var(--bg)}body{position:fixed;top:var(--app-top, 0px);left:0;right:0;width:100%;height:var(--app-h, 100%);overflow:hidden}#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);transition:background-color var(--t-base) var(--ease),color var(--t-base) var(--ease);-webkit-font-smoothing:antialiased;overscroll-behavior:none;font-size:15px}button,input,textarea,select{font:inherit;color:inherit}a{color:var(--brand-ink);text-decoration:none}a:hover{text-decoration:underline}@media(pointer:coarse){body{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}input,textarea,[contenteditable=true]{-webkit-user-select:text;user-select:text}}img{-webkit-user-drag:none}*{scrollbar-width:none}*::-webkit-scrollbar{width:0;height:0}.oscroll-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;pointer-events:none}.oscroll-thumb{position:absolute;top:0;left:0;border-radius:999px;background:var(--line-strong);opacity:0;pointer-events:auto;cursor:default;transition:opacity .2s var(--ease),background-color .16s var(--ease)}.oscroll-thumb:hover{background:var(--muted)}@media(hover:none){.oscroll-thumb{pointer-events:none}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius);padding:10px 16px;background:var(--brand);color:var(--brand-contrast);font-weight:600;font-size:14px;cursor:pointer;transition:background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.btn:active:not(:disabled){transform:scale(.97)}.btn:hover:not(:disabled){background:var(--brand-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--surface-2);color:var(--text);border-color:var(--line)}.btn.secondary:hover:not(:disabled){background:var(--surface-3)}.btn.ghost{background:transparent;color:var(--text-2)}.btn.ghost:hover:not(:disabled){background:var(--surface-2)}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover:not(:disabled){filter:brightness(1.08)}.btn.block{width:100%}.icon-btn{width:38px;height:38px;display:grid;place-items:center;border:none;border-radius:10px;background:transparent;color:var(--text-2);cursor:pointer;transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);flex-shrink:0}.icon-btn:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.icon-btn:active:not(:disabled){transform:scale(.92)}.icon-btn:disabled{opacity:.4;cursor:default}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field>label{font-size:13px;font-weight:500;color:var(--text-2)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:11px 13px;background:var(--surface);outline:none;transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease)}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.field .help{font-size:12px;color:var(--muted)}.error-text{color:var(--danger);font-size:13px;margin:0 0 12px}.ok-text{color:var(--success);font-size:13px;margin:0 0 12px}.switch{position:relative;width:44px;height:26px;flex-shrink:0}.switch input{opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.switch .track{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:13px;background:var(--line-strong);transition:background var(--t-base) var(--ease);pointer-events:none}.switch .track:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:var(--shadow-sm);transition:transform var(--t-base) var(--ease-out)}.switch input:checked+.track{background:var(--brand)}.switch input:checked+.track:after{transform:translate(18px)}.segmented{display:flex;gap:4px;padding:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius)}.segmented button{flex:1;border:none;background:transparent;border-radius:8px;padding:8px 10px;font-size:13px;font-weight:600;color:var(--text-2);cursor:pointer;transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.segmented button:active{transform:scale(.97)}.segmented button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.segmented.wrap{flex-wrap:wrap}.segmented.wrap button{flex:1 1 96px}.avatar{border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;overflow:hidden;flex-shrink:0;position:relative;-webkit-user-select:none;user-select:none}.avatar img{width:100%;height:100%;object-fit:cover;display:block;animation:media-fade var(--t-base) var(--ease) both}.chat-tile{border-radius:14px;display:grid;place-items:center;flex-shrink:0;position:relative;color:#fff}.chat-tile .tag{position:absolute;right:-4px;bottom:-4px;font-size:9px;font-weight:700;padding:1px 4px;border-radius:6px;background:var(--surface);color:var(--text);border:1px solid var(--line)}.shell{height:100%;display:grid;grid-template-columns:var(--rail-w) var(--list-w) 1fr;background:var(--bg)}.shell>*{min-width:0;min-height:0}.rail{background:var(--surface);border-right:1px solid 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var(--surface)}.rail-spacer{flex:1}.list-pane{background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;height:100%}.list-head{padding:calc(14px + var(--safe-t)) 16px 10px;display:flex;align-items:center;gap:10px}.list-head h1{margin:0;font-size:19px;font-weight:700;letter-spacing:-.02em;flex:1}.list-head .sub{font-size:12px;color:var(--muted);font-weight:500;margin-top:2px}.search-box{margin:0 12px 10px;display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:9px 12px;color:var(--muted)}.search-box input{border:none;background:transparent;outline:none;flex:1;min-width:0;font-size:14px}.search-box input::placeholder{color:var(--muted)}.search-clear{display:grid;place-items:center;width:22px;height:22px;border:none;border-radius:50%;background:var(--surface-3);color:var(--text-2);cursor:pointer;flex-shrink:0;transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease)}.search-clear:hover{background:var(--line-strong);color:var(--text)}.list-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 8px 12px}.list-section{padding:12px 10px 6px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.chat-row{width:100%;display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center;padding:10px;border:none;border-radius:var(--radius);background:transparent;text-align:left;cursor:pointer;color:inherit;transition:background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.chat-row:hover{background:var(--surface-2)}.chat-row:active{transform:scale(.985)}.chat-row.active{background:var(--brand-soft)}.chat-row-main{min-width:0;display:flex;flex-direction:column;gap:3px}.chat-row-top{display:flex;align-items:baseline;gap:8px}.chat-row-name{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-row-time{font-size:11.5px;color:var(--muted);flex-shrink:0;font-variant-numeric:tabular-nums}.chat-row-bottom{display:flex;align-items:center;gap:8px}.chat-row-preview{flex:1;min-width:0;font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-row-preview b{font-weight:600;color:var(--text-2)}.badge{min-width:20px;height:20px;padding:0 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var(--line);min-height:60px}.conv-head-info{flex:1;min-width:0;display:flex;align-items:center;gap:12px;background:none;border:none;padding:4px;border-radius:var(--radius);cursor:pointer;color:inherit;text-align:left}.conv-head-info:hover{background:var(--surface-2)}.conv-head h2{margin:0;font-size:16px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-head .sub{font-size:12.5px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread{flex:1;min-height:0;overflow-y:auto;padding:16px clamp(12px,4vw,40px) 10px;display:flex;flex-direction:column;gap:2px;overscroll-behavior:contain}.day-chip{align-self:center;margin:14px 0 10px;padding:5px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--text-2);font-size:12px;font-weight:600;box-shadow:var(--shadow-sm)}.conn-banner{padding:6px 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.msg{border-bottom-right-radius:16px;border-top-right-radius:5px}.msg.media-only{padding:5px}.msg-author{font-size:13px;font-weight:650;margin-bottom:2px;display:flex;align-items:center;gap:6px}.msg-author .role{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:0 4px}.msg-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.38}.msg-time-space{display:inline-block;width:46px;height:1px}.msg-row.own .msg-time-space{width:62px}.msg.edited .msg-time-space{width:108px}.msg-row.own .msg.edited .msg-time-space{width:124px}.msg-text.jumbo{font-size:42px;line-height:1.15}.msg-foot{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:2px;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}.msg.inline-time .msg-foot{position:absolute;right:11px;bottom:6px;margin-top:0}.msg.media-only .msg-foot{position:absolute;right:12px;bottom:12px;background:#0a0c0f8c;color:#fff;padding:3px 8px;border-radius:999px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);margin:0}.ticks{display:inline-flex;align-items:center;color:var(--muted)}.ticks.read{color:var(--brand-ink)}.msg-menu-btn{position:absolute;top:2px;right:4px;width:24px;height:24px;display:grid;place-items:center;border:none;border-radius:50%;padding:0;cursor:pointer;color:var(--muted);background:var(--surface);box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transform:scale(.9);transition:opacity var(--t-fast) var(--ease),transform var(--t-fast) var(--ease-out),color var(--t-fast) var(--ease)}.msg:hover .msg-menu-btn,.msg-menu-btn:focus-visible{opacity:1;pointer-events:auto;transform:scale(1)}.msg-menu-btn:hover{color:var(--text)}@media(pointer:coarse){.msg-menu-btn{display:none}}.ctx-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70}.ctx-menu{position:fixed;min-width:196px;padding:5px;background:var(--surface);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-lg);animation:menu-in var(--t-fast) var(--ease-out) both}.ctx-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:none;border-radius:9px;background:none;cursor:pointer;font:inherit;font-size:14px;color:var(--text);text-align:left;transition:background var(--t-fast) var(--ease)}.ctx-item svg{color:var(--muted);flex-shrink:0}.ctx-item:hover{background:var(--surface-2)}.ctx-item.danger,.ctx-item.danger svg{color:var(--danger)}@media(pointer:coarse){.ctx-menu{min-width:216px}.ctx-item{padding:11px 12px;font-size:15px}}@keyframes menu-in{0%{opacity:0;transform:scale(.94)}}.msg-forward{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);margin-bottom:4px}.msg-forward b{font-weight:600;color:var(--text-2)}.msg-quote{display:block;width:100%;text-align:left;border:none;border-left:2px solid var(--brand);border-radius:0 8px 8px 0;background:var(--quote-bg);padding:5px 9px;margin-bottom:5px;cursor:pointer;font:inherit;color:inherit;transition:background var(--t-fast) var(--ease)}.msg-quote:disabled{cursor:default;opacity:.75}.msg-quote:hover:not(:disabled){background:var(--quote-bg-hover)}.msg-quote b{display:block;font-size:12.5px;font-weight:650;color:var(--brand-ink)}.msg-quote span{display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13px;color:var(--text-2)}.own .msg-quote b{color:inherit;opacity:.9}.own .msg-quote{border-left-color:currentColor}.msg-row.highlight .msg{animation:quote-flash 1.8s var(--ease) both}@keyframes quote-flash{0%,55%{box-shadow:0 0 0 2px var(--brand)}to{box-shadow:0 0 0 2px transparent}}.reply-bar{display:flex;align-items:center;gap:8px;padding:6px 4px 8px;color:var(--muted)}.reply-bar-text{flex:1;min-width:0;border-left:2px solid var(--brand);padding-left:8px;line-height:1.3}.reply-bar-text b{display:block;font-size:12.5px;font-weight:650;color:var(--brand-ink)}.reply-bar-text span{display:block;font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-grid{display:grid;gap:3px;border-radius:14px;overflow:hidden;margin-bottom:4px;max-width:100%}.media-grid.n1{grid-template-columns:1fr}.media-grid.n2,.media-grid.n3,.media-grid.n4{grid-template-columns:1fr 1fr}.media-cell{position:relative;border:none;padding:0;cursor:zoom-in;overflow:hidden;display:block;width:100%;background-color:var(--surface-3);background-size:cover;background-position:center}.media-grid.n1 .media-cell{max-height:420px}.media-grid:not(.n1) .media-cell{aspect-ratio:1}.media-cell img,.media-cell video{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .32s var(--ease)}.media-cell img{opacity:0}.media-cell img.ready{opacity:1}.media-grid.n1 .media-cell img{object-fit:contain;max-height:420px}.media-cell .play{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none}.media-cell .play span{width:52px;height:52px;border-radius:50%;background:#0a0c0f8c;color:#fff;display:grid;place-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.media-cell .duration{position:absolute;left:8px;bottom:8px;background:#0a0c0f99;color:#fff;font-size:11px;font-weight:600;padding:2px 7px;border-radius:999px}.media-more{position:absolute;top:0;right:0;bottom:0;left:0;background:#0a0c0f8c;color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700}.doc-row{display:flex;align-items:center;gap:11px;padding:8px;border-radius:12px;background:color-mix(in srgb,var(--surface-3) 70%,transparent);text-decoration:none;color:inherit;margin-bottom:4px;min-width:240px}.doc-row:hover{background:var(--surface-3);text-decoration:none}.doc-badge{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;flex-shrink:0;color:#fff;font-size:10px;font-weight:800;letter-spacing:.03em;background:var(--brand)}.doc-badge.pdf{background:#c0463c}.doc-meta{min-width:0}.doc-meta .name{font-size:14px;font-weight:550;overflow-wrap:anywhere;line-height:1.25}.doc-meta .size{font-size:12px;color:var(--muted);margin-top:2px}.composer-wrap{padding:8px clamp(12px,4vw,40px) calc(10px + var(--safe-b));background:linear-gradient(to top,var(--canvas) 70%,transparent);position:relative}.push-guide{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.push-state{display:flex;align-items:flex-start;gap:8px;padding:9px 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