:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#eceef2;--surface:#fff;--surface-2:#f4f5f7;--border:#d8dce1;--text:#1b1f24;--muted:#6b7280;--accent:#0f766e;--accent-strong:#0b5f59;--accent-soft:#e0f1ef;--danger:#b42318;--danger-soft:#fdeceb;--warn:#b25e09;--bubble-in:#fff;--bubble-out:#0f766e;--bubble-out-text:#fff;--shadow:0 1px 2px #10182814, 0 12px 28px #1018281a;--radius:8px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#101317;--surface:#171b20;--surface-2:#1d222a;--border:#2a3039;--text:#e7eaee;--muted:#98a1ac;--accent:#2fbfae;--accent-strong:#4fd8c5;--accent-soft:#10322f;--danger:#ff8f83;--danger-soft:#3a1e1c;--warn:#e0a458;--bubble-in:#232931;--bubble-out:#146b62;--bubble-out-text:#fff;--shadow:0 1px 2px #00000073, 0 16px 32px #00000059}}*{box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-size:14px}button,input,textarea{font:inherit;color:inherit}.time,.bubble-meta,.contact-meta{font-variant-numeric:tabular-nums}.app-shell{flex-direction:column;height:100dvh;display:flex}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.boot-screen,.fatal-screen{color:var(--muted);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:24px;display:flex}.fatal-screen h1{color:var(--text);margin:0;font-size:18px}.fatal-screen p{max-width:420px;margin:0;line-height:1.6}.icon-button{width:30px;height:30px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;flex:none;place-items:center;display:inline-grid}.icon-button:hover{background:var(--accent-soft);color:var(--accent-strong)}.icon-button:focus-visible,.text-button:focus-visible,.primary-button:focus-visible,.send-button:focus-visible,.contact:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.text-button{color:var(--accent-strong);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;padding:5px 2px;font-size:12.5px;font-weight:600;display:inline-flex}.text-button.danger{color:var(--danger)}.text-button:disabled{opacity:.55;cursor:default}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field label{color:var(--muted);font-size:12.5px}.field input{border:1px solid var(--border);background:var(--surface-2);border-radius:6px;height:38px;padding:0 10px}.field input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.field-hint{color:var(--muted);font-size:11.5px;line-height:1.5}.form-error{background:var(--danger-soft);color:var(--danger);overflow-wrap:anywhere;border-radius:6px;margin:0 0 12px;padding:8px 10px;font-size:12.5px}.primary-button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:6px;justify-content:center;align-items:center;gap:8px;width:100%;height:40px;font-weight:600;display:inline-flex}.primary-button:hover:not(:disabled){background:var(--accent-strong)}.primary-button:disabled{opacity:.65;cursor:default}.empty-hint{color:var(--muted);margin:0;padding:12px;font-size:12.5px;line-height:1.6}.empty-hint.center{text-align:center;margin:auto}.avatar{background:var(--accent-soft);width:34px;height:34px;color:var(--accent-strong);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:700;display:inline-grid}.auth-layout{flex:1;place-items:center;padding:24px;display:grid;overflow-y:auto}.auth-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:min(420px,100%);box-shadow:var(--shadow);padding:26px}.auth-brand{align-items:center;gap:12px;margin-bottom:22px;display:flex}.brand-mark{border-radius:var(--radius);background:var(--accent);color:#fff;flex:none;place-items:center;width:34px;height:34px;display:grid}.auth-brand h1{margin:0;font-size:17px}.auth-brand p{color:var(--muted);margin:4px 0 0;font-size:12.5px;line-height:1.5}.auth-tabs{background:var(--surface-2);border-radius:7px;grid-template-columns:1fr 1fr;gap:4px;margin:0 0 16px;padding:3px;display:grid}.auth-tab{height:30px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:5px;font-size:12.5px;font-weight:600}.auth-tab.active{background:var(--surface);color:var(--text);box-shadow:0 1px 2px #1018281a}.auth-tab:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.auth-footnote{border-top:1px solid var(--border);color:var(--muted);margin:18px 0 0;padding-top:14px;font-size:11.5px;line-height:1.6}.danger-zone{border-top:1px solid var(--border);margin-top:16px;padding-top:14px}.danger-zone p{color:var(--muted);margin:0 0 8px;font-size:12px;line-height:1.6}.danger-actions{gap:14px;display:flex}.chat-layout{background:var(--surface);flex:1;grid-template-columns:292px minmax(0,1fr);min-height:0;display:grid}.sidebar{border-right:1px solid var(--border);background:var(--surface-2);flex-direction:column;min-height:0;display:flex}.sidebar-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex}.me{align-items:center;gap:10px;min-width:0;display:flex}.me-text{flex-direction:column;min-width:0;display:flex}.me-text strong{text-overflow:ellipsis;white-space:nowrap;font-size:13.5px;overflow:hidden}.connection{color:var(--muted);font-size:11.5px}.connection-online{color:var(--accent-strong)}.connection-offline,.connection-unauthorized{color:var(--danger)}.sidebar-actions{gap:2px;display:flex}.contact-list{flex:1;min-height:0;padding:6px;overflow-y:auto}.contact{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;align-items:center;gap:10px;width:100%;padding:8px;display:flex}.contact:hover{background:var(--surface)}.contact.active{background:var(--accent-soft)}.contact-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.contact-name{text-overflow:ellipsis;white-space:nowrap;align-items:center;gap:5px;font-size:13.5px;font-weight:600;display:flex;overflow:hidden}.verified-icon{color:var(--accent-strong);flex:none}.security-warning-icon{color:var(--warn);flex:none}.contact-preview{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.contact-meta{color:var(--muted);flex-direction:column;align-items:flex-end;gap:4px;font-size:10.5px;display:flex}.unread-badge{background:var(--accent);color:#fff;text-align:center;border-radius:9px;min-width:18px;padding:1px 5px;font-size:10.5px;font-weight:700}.add-contact{border-top:1px solid var(--border);gap:6px;padding:8px;display:flex}.add-contact input{border:1px solid var(--border);background:var(--surface);border-radius:6px;flex:1;min-width:0;height:32px;padding:0 9px}.add-contact input:focus-visible,.composer textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.conversation{background:var(--bg);flex-direction:column;min-width:0;min-height:0;display:flex}.conversation-empty{text-align:center;max-width:320px;color:var(--muted);flex-direction:column;align-items:center;gap:8px;margin:auto;padding:24px;display:flex}.conversation-empty h2{color:var(--text);margin:0;font-size:15px}.conversation-empty p{margin:0;font-size:12.5px;line-height:1.6}.conversation-head{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:8px;padding:9px 12px;display:flex}.back-button{display:none}.peer-title{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.peer-title strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.encryption-status{color:var(--accent-strong);align-self:flex-start;align-items:center;gap:4px;font-size:11.5px;display:inline-flex}.encryption-status.warning{color:var(--warn)}.confirm-inline{color:var(--muted);align-items:center;gap:10px;font-size:12px;display:flex}.connection-banner{background:var(--accent-soft);color:var(--accent-strong);align-items:center;gap:8px;padding:7px 12px;font-size:12px;display:flex}.message-list{flex-direction:column;flex:1;gap:8px;min-height:0;padding:16px;display:flex;overflow-y:auto}.message-row{flex-direction:column;max-width:min(560px,82%);display:flex}.message-row.in{align-self:flex-start;align-items:flex-start}.message-row.out{align-self:flex-end;align-items:flex-end}.bubble{border:1px solid var(--border);border-radius:var(--radius);background:var(--bubble-in);padding:8px 11px 6px;box-shadow:0 1px 1px #1018280d}.message-row.out .bubble{background:var(--bubble-out);color:var(--bubble-out-text);border-color:#0000}.bubble-failed{border-color:var(--danger)}.bubble-text{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;line-height:1.45}.bubble-meta{color:var(--muted);justify-content:flex-end;align-items:center;gap:6px;margin-top:3px;font-size:11px;display:flex}.message-row.out .bubble-meta{color:#ffffffbf}.msg-status{align-items:center;display:inline-flex}.status-read{color:#7fe7d8}.status-failed{color:var(--danger)}.retry-button{border:1px solid var(--border);background:var(--surface);color:var(--danger);cursor:pointer;border-radius:6px;align-items:center;gap:4px;margin-top:4px;padding:3px 7px;font-size:11.5px;display:inline-flex}.composer{border-top:1px solid var(--border);background:var(--surface);align-items:flex-end;gap:10px;padding:12px 16px;display:flex}.composer textarea{border:1px solid var(--border);background:var(--surface-2);resize:none;border-radius:6px;flex:1;min-width:0;min-height:38px;max-height:140px;padding:9px 11px}.send-button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:6px;flex:none;place-items:center;width:38px;height:38px;display:grid}.send-button:hover:not(:disabled){background:var(--accent-strong)}.send-button:disabled{opacity:.5;cursor:default}.modal-overlay{z-index:20;background:#0a0e147a;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:min(440px,100%);max-height:calc(100dvh - 40px);box-shadow:var(--shadow);flex-direction:column;display:flex;overflow:hidden}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.modal-head h2{margin:0;font-size:14px}.modal-body{padding:14px;overflow-y:auto}.modal-foot{border-top:1px solid var(--border);justify-content:flex-end;gap:12px;padding:12px 14px;display:flex}.dialog-hint{color:var(--muted);margin:0 0 12px;font-size:12px;line-height:1.65}.notice{z-index:30;max-width:min(560px,100vw - 32px);box-shadow:var(--shadow);border-radius:6px;align-items:center;gap:10px;padding:9px 10px 9px 14px;font-size:12.5px;line-height:1.5;display:flex;position:fixed;bottom:68px;left:50%;transform:translate(-50%)}.notice span{overflow-wrap:anywhere}.notice-info{background:var(--accent);color:#fff}.notice-error{background:var(--danger);color:#fff}.notice .icon-button{color:inherit}.notice .icon-button:hover{color:inherit;background:#ffffff29}@media (max-width:760px){.chat-layout{grid-template-columns:minmax(0,1fr)}.chat-layout.show-conversation .sidebar,.chat-layout.show-sidebar .conversation{display:none}.back-button{display:inline-grid}.message-row{max-width:88%}}