*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #000000;--bg-surface: #1b1b1b;--bg-elevated: #2d2d2d;--bg-hover: #414141;--text: #ffffff;--text-dim: #a1a2a1;--text-faint: #767676;--accent: #31f196;--accent-dim: #1fa06a;--danger: #ff3a3a;--border: #2d2d2d;--bubble-mine: #31f196;--bubble-mine-text: #000000;--bubble-theirs: #2d2d2d;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}html,body,#root{height:100%;background:var(--bg);font-family:var(--font);font-size:15px;color:var(--text);-webkit-font-smoothing:antialiased}#app{height:100%;background:var(--bg);display:flex;flex-direction:column;position:relative;overflow:hidden}.app-split{display:flex;height:100%;overflow:hidden}.left-panel{width:380px;min-width:380px;height:100%;border-right:1px solid 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