#nprogress{pointer-events:none}#nprogress .bar{background:#29d;position:fixed;z-index:1031;top:0;left:0;width:100%;height:2px}#nprogress .peg{display:block;position:absolute;right:0;width:100px;height:100%;box-shadow:0 0 10px #29d,0 0 5px #29d;opacity:1;-webkit-transform:rotate(3deg) translateY(-4px);-ms-transform:rotate(3deg) translateY(-4px);transform:rotate(3deg) translateY(-4px)}#nprogress .spinner{display:block;position:fixed;z-index:1031;top:15px;right:15px}#nprogress .spinner-icon{width:18px;height:18px;box-sizing:border-box;border-color:#29d transparent transparent #29d;border-style:solid;border-width:2px;border-radius:50%;-webkit-animation:nprogress-spinner .4s linear infinite;animation:nprogress-spinner .4s linear infinite}.nprogress-custom-parent{overflow:hidden;position:relative}.nprogress-custom-parent #nprogress .bar,.nprogress-custom-parent #nprogress .spinner{position:absolute}@-webkit-keyframes nprogress-spinner{0%{-webkit-transform:rotate(0deg)}to{-webkit-transform:rotate(1turn)}}@keyframes nprogress-spinner{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700&display=swap");@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&display=swap");@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;700&display=swap");@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap");@import url("https://fonts.googleapis.com/css2?family=STIX+Two+Math&display=swap");:root{--background:210 45% 98%;--foreground:220 26% 15%;--card:0 0% 100%;--card-foreground:var(--foreground);--popover:var(--card);--popover-foreground:var(--foreground);--primary:212 96% 54%;--primary-foreground:0 0% 100%;--secondary:150 64% 40%;--secondary-foreground:150 80% 98%;--accent:260 60% 55%;--accent-foreground:260 60% 99%;--destructive:0 84% 60%;--destructive-foreground:0 0% 100%;--muted:210 20% 96%;--muted-foreground:220 9% 45%;--border:214 32% 91%;--input:var(--border);--ring:var(--primary);--chart-1:var(--primary);--chart-2:var(--secondary);--chart-3:var(--accent);--chart-4:335 78% 60%;--chart-5:16 80% 60%;--sidebar:214 32% 98%;--sidebar-foreground:var(--foreground);--sidebar-primary:var(--primary);--sidebar-primary-foreground:var(--primary-foreground);--sidebar-accent:210 40% 96%;--sidebar-accent-foreground:var(--foreground);--sidebar-border:210 30% 93%;--sidebar-ring:var(--primary);--font-sans:"Nunito","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;--font-serif:"Noto Serif SC","STIX Two Math",Georgia,serif;--font-mono:"JetBrains Mono",SFMono-Regular,Consolas,monospace;--radius:0.75rem;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 6px -1px rgba(0,0,0,.08),0 2px 4px -2px rgba(0,0,0,.05);--tracking-normal:0.01em;--spacing:0.25rem}.dark{--background:222 45% 9%;--foreground:210 25% 96%;--card:222 45% 11%;--card-foreground:var(--foreground);--popover:var(--card);--popover-foreground:var(--foreground);--primary:213 94% 68%;--primary-foreground:213 94% 99%;--secondary:152 60% 45%;--secondary-foreground:150 80% 99%;--accent:265 89% 70%;--accent-foreground:265 90% 99%;--destructive:0 70% 60%;--destructive-foreground:0 0% 100%;--muted:222 25% 16%;--muted-foreground:210 20% 70%;--border:222 25% 20%;--input:215 16% 24%;--ring:var(--primary);--chart-1:var(--primary);--chart-2:var(--secondary);--chart-3:var(--accent);--chart-4:335 78% 65%;--chart-5:16 80% 65%;--sidebar:222 47% 7%;--sidebar-foreground:var(--foreground);--sidebar-primary:var(--primary);--sidebar-primary-foreground:var(--primary-foreground);--sidebar-accent:222 40% 13%;--sidebar-accent-foreground:var(--foreground);--sidebar-border:222 27% 18%;--sidebar-ring:var(--primary);--font-sans:"Nunito","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;--font-serif:"Noto Serif SC","STIX Two Math",Georgia,serif;--font-mono:"JetBrains Mono",SFMono-Regular,Consolas,monospace;--radius:0.75rem;--shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,.3),0 2px 4px -2px rgba(0,0,0,.2)}body{font-family:var(--font-sans);letter-spacing:var(--tracking-normal)}.math{font-family:var(--font-serif)}.highlight-box{background-color:hsl(var(--accent)/.1);border-left:4px solid hsl(var(--accent));padding:var(--spacing);border-radius:var(--radius)}.exercise{background-color:hsl(var(--secondary)/.1);border:1px solid hsl(var(--secondary)/.2);padding:calc(var(--spacing) * 3);border-radius:var(--radius);margin:calc(var(--spacing) * 2) 0}.concept{font-weight:600;color:hsl(var(--primary));border-bottom:1px dotted hsl(var(--primary)/.4)}