:root{--bg-color: #141627;--bg-secondary: #1a1f2e;--sidebar-bg: #141627;--card-bg: #1a1f2e;--text-primary: #e6edf3;--text-secondary: #83c3e2;--text-tertiary: #209eeb;--primary-color: #1a6cc1;--primary-hover: #209eeb;--primary-gradient: linear-gradient(135deg, #1a6cc1 0%, #209eeb 100%);--border-color: #2a3a4d;--hover-bg: #1f2a3a;--active-bg: #1a6cc1;--code-bg: #1a1f2e;--code-text: #83c3e2;--accent-blue: #1a6cc1;--accent-light-blue: #209eeb;--accent-cyan: #83c3e2;--sidebar-width: 280px;--sidebar-collapsed-width: 72px;--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html{height:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;height:100%;font-family:var(--font-family);font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.2;color:var(--text-primary)}p{margin:0}a{color:var(--primary-color);text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary-hover)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}