:root{--bg: #f3f6fa;--surface: #ffffff;--surface-2: #f2f5f9;--surface-3: #e9eef5;--text: #17243a;--text-2: #5d6b80;--text-3: #8592a6;--border: #e4e9f0;--accent: #2f74ea;--accent-text: #ffffff;--accent-soft: #e8f1ff;--accent-ink: #2463cc;--bubble-in: #f0f3f8;--bubble-out: #dfedff;--signal: #fff3dc;--signal-ink: #9a6410;--reply-ink: #2463cc;--history-ink: #5f6b7d;--danger: #c23b3b;--danger-soft: #fdecec;--ok: #148a55;--ok-soft: #e4f6ec;--counter: #ec6a4c;--shadow: 0 18px 60px rgba(7, 22, 45, .22);--overlay: rgba(14, 28, 45, .5);--radius: 14px;--tap: 44px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%}@media(prefers-color-scheme:dark){:root{--bg: #0e1520;--surface: #162131;--surface-2: #1d2a3d;--surface-3: #24344a;--text: #eef2f8;--text-2: 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