:root{--text:#3f3d45;--text-h:#17151d;--bg:#f5f6f8;--surface:#fff;--border:#ececec;--accent:#2f6bff;--accent-contrast:#fff;--bubble-own:#2f6bff;--bubble-own-text:#fff;--bubble-other:#fff;--bubble-other-text:#17151d;--system-text:#9aa0a6;--pill-bg:#e9ebee;--online:#2ecc71;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font:16px/1.5 system-ui,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#c7c5cf;--text-h:#f3f2f6;--bg:#131319;--surface:#1c1b24;--border:#2c2a35;--accent:#5b8bff;--accent-contrast:#fff;--bubble-own:#5b8bff;--bubble-own-text:#fff;--bubble-other:#24222d;--bubble-other-text:#f3f2f6;--system-text:#78758a;--pill-bg:#24222d;--online:#2ecc71}}*{box-sizing:border-box}body{margin:0}#root{min-height:100svh;display:flex}.join-screen{flex:1;justify-content:center;align-items:center;width:100%;display:flex}.join-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:12px;width:320px;padding:32px;display:flex}.join-card h1{color:var(--text-h);margin:0 0 8px;font-size:20px}.join-card input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;padding:10px 12px}.join-card button{font:inherit;background:var(--accent);color:var(--accent-contrast);cursor:pointer;border:none;border-radius:8px;padding:10px 12px}.chat-screen{background:var(--bg);flex-direction:column;flex:1;width:100%;max-width:480px;height:100svh;margin:0 auto;display:flex}.chat-header{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:12px;padding:12px 16px;display:flex}.back-btn,.header-action{color:var(--text-h);cursor:pointer;background:0 0;border:none;padding:4px;font-size:20px;line-height:1}.header-action{color:var(--system-text);font-size:18px}.header-avatar{background:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;display:flex}.header-info{flex-direction:column;flex:1;min-width:0;display:flex}.header-name{color:var(--text-h);font-size:16px;font-weight:600}.header-status{color:var(--system-text);align-items:center;gap:4px;font-size:12px;display:flex}.status-dot{background:var(--online);border-radius:50%;width:6px;height:6px}.chat-list{flex-direction:column;flex:1;padding:16px;display:flex;overflow-y:auto}.date-divider{background:var(--pill-bg);color:var(--system-text);border-radius:12px;align-self:center;margin:4px 0 16px;padding:4px 12px;font-size:12px}.system-message{text-align:center;color:var(--system-text);align-self:center;margin:4px 0 12px;font-size:12px}.message-row{display:flex}.message-row.own{justify-content:flex-end}.message-bubble{background:var(--bubble-other);max-width:72%;color:var(--bubble-other-text);border:1px solid var(--border);border-radius:18px 18px 18px 4px;padding:10px 14px;font-size:15px;line-height:1.4}.message-bubble.own{background:var(--bubble-own);color:var(--bubble-own-text);border-color:#0000;border-radius:18px 18px 4px}.message-text{white-space:pre-wrap;word-break:break-word}.message-meta{color:var(--system-text);align-items:center;gap:6px;margin:4px 0 12px;font-size:11px;display:flex}.message-meta.own{justify-content:flex-end}.avatar-mini{background:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;display:flex}.sender-name{color:var(--text);font-weight:600}.translate-link{font:inherit;color:var(--system-text);cursor:pointer;background:0 0;border:none;padding:0;font-size:11px}.chat-input{border-top:1px solid var(--border);background:var(--surface);align-items:center;gap:8px;padding:10px 12px;display:flex}.chat-input input{font:inherit;background:var(--bg);color:var(--text-h);border:none;border-radius:20px;flex:1;padding:10px 14px}.send-btn{background:var(--accent);width:36px;height:36px;color:var(--accent-contrast);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.send-btn svg{width:16px;height:16px}