:root{color-scheme:dark;--bg: #0f1115;--surface: #171a21;--surface-alt: #1f232c;--border: #2a2f3a;--text: #e6e8ec;--text-muted: #9aa1ad;--accent: #4c8dff;--danger: #ef4444;--success: #22c55e;--radius: 10px;--shadow: 0 1px 3px rgb(0 0 0 / .4)}[data-theme=light]{color-scheme:light;--bg: #f7f8fa;--surface: #ffffff;--surface-alt: #f0f2f5;--border: #dfe3e8;--text: #1a1d23;--text-muted: #626a75;--shadow: 0 1px 3px rgb(0 0 0 / .08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;transition:background-color .15s ease,color .15s ease;-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;min-height:100%}main.app-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:24px 16px 48px}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:12px 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