:root{--bg: #f4f6fa;--bg-panel: #ffffff;--bg-hover: #eef1f6;--text: #1c2733;--text-muted: #6b7a8c;--accent: #2f6fed;--accent-soft: #dce7fd;--accent-text: #ffffff;--danger: #d64545;--warn-bg: #fff4d6;--warn-text: #7a5b00;--border: #dde3ec;--bubble-own: #d9e7ff;--bubble-other: #ffffff;--shadow: 0 1px 3px rgba(16, 32, 64, .08);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}[data-theme=dark]{--bg: #10151c;--bg-panel: #1a212b;--bg-hover: #222b38;--text: #e6ecf3;--text-muted: #8b99aa;--accent: #4d87f5;--accent-soft: #24405f;--danger: #e06767;--warn-bg: #3a300f;--warn-text: #ffd866;--border: #2b3646;--bubble-own: #24405f;--bubble-other: #1f2833;--shadow: 0 1px 3px rgba(0, 0, 0, .4)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,Segoe 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