*{box-sizing:border-box;margin:0;padding:0}:root{--blue:#2563eb;--blue-dark:#1d4ed8;--bg:#eef2fb;--card:#fff;--ink:#0f172a;--ink-2:#44506d;--muted:#64748b;--hair:#0f172a1f;--line:#e2e8f0;--green:#16a34a;--bubble-self:linear-gradient(135deg, #2563eb, #1d4ed8);--shadow:0 10px 34px #2563eb1f;--font-display:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;--ease:cubic-bezier(.16, 1, .3, 1);--ground:#fff;--ground-dim:#f8fafc;--accent:#2563eb;--accent-lift:#7c97ff;--success:#16a34a;--warning:#f0a020;--danger:#e5484d;--bg-tertiary:#eff6ff;--border:var(--line)}html,body,#root{width:100%;height:100%;font-family:var(--font-display);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}::selection{background:var(--blue);color:#fff}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 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2px;display:flex}.message-mine{justify-content:flex-end}.message-other{justify-content:flex-start}.message-bubble{word-break:break-all;border-radius:14px;max-width:70%;padding:10px 14px;line-height:1.5;position:relative}.bubble-mine{background:var(--bubble-self);color:#fff;border-bottom-right-radius:4px;box-shadow:0 3px 10px #2563eb2e}.bubble-other{border:1px solid var(--line);color:var(--ink);background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 3px #0000000f}.message-content{font-size:14px;line-height:1.5}.message-image{cursor:zoom-in;object-fit:contain;border-radius:10px;max-width:260px;max-height:320px;display:block}.message-meta{justify-content:flex-end;align-items:center;gap:6px;margin-top:4px;display:flex}.message-time{font-family:var(--font-mono);letter-spacing:.14em;color:var(--muted);font-size:10px;font-weight:400}.bubble-mine 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10px}.message-bubble{max-width:86%}.message-image{max-width:210px;max-height:260px}.chat-input-area{padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));gap:8px}.chat-input-area input{padding:0 12px;font-size:16px}.chat-input-area .send-btn{padding:0 16px;font-size:13px}.modal-panel{padding:20px}}@media (width>=769px) and (width<=960px){.chat-sidebar{width:260px}}