:root{--color-primary: #2563eb;--color-primary-foreground: #ffffff;--color-primary-hover: #1d4ed8;--color-secondary: #f1f5f9;--color-secondary-foreground: #0f172a;--color-muted: #f1f5f9;--color-muted-foreground: #64748b;--color-accent: #f1f5f9;--color-accent-foreground: #0f172a;--color-border: #e2e8f0;--color-background: #ffffff;--color-foreground: #0f172a;--color-card: #ffffff;--color-card-foreground: #0f172a;--color-nav-bg: rgba(255, 255, 255, .8);--color-nav-border: rgba(226, 232, 240, .5);--color-band-muted: #f8fafc;--color-band-primary-soft: rgba(37, 99, 235, .05);--color-shadow-card: rgba(0, 0, 0, .06);--color-shadow-card-hover: rgba(15, 23, 42, .1);--color-strike: #f87171;--color-success: #059669;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem}.dark{--color-primary: #3b82f6;--color-primary-foreground: #ffffff;--color-primary-hover: #2563eb;--color-secondary: #1e293b;--color-secondary-foreground: #f1f5f9;--color-muted: #334155;--color-muted-foreground: #cbd5e1;--color-accent: #334155;--color-accent-foreground: #f1f5f9;--color-border: #334155;--color-background: #0f172a;--color-foreground: #f1f5f9;--color-card: #1e293b;--color-card-foreground: #f1f5f9;--color-nav-bg: rgba(15, 23, 42, .8);--color-nav-border: rgba(51, 65, 85, .5);--color-band-muted: #1e293b;--color-band-primary-soft: rgba(59, 130, 246, .08);--color-shadow-card: rgba(0, 0, 0, .35);--color-shadow-card-hover: rgba(0, 0, 0, .55);--color-strike: #fb7185;--color-success: #34d399}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--color-background);color:var(--color-foreground);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:inherit}.site-nav{border-bottom:1px solid var(--color-nav-border);background:var(--color-nav-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);position:sticky;top:0;z-index:50}.site-nav-inner{max-width:72rem;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:4.25rem;padding:0 1rem}.site-brand{display:flex;align-items:center;gap:.625rem;text-decoration:none;color:var(--color-foreground)}.site-brand .logo{height:2.5rem;width:auto;user-select:none}.site-brand .wordmark{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;line-height:1;white-space:nowrap}.site-brand .wordmark .accent{color:var(--color-primary)}@media(max-width:480px){.site-brand .wordmark{font-size:1.05rem}.site-brand .logo{height:2rem}}.site-nav .nav-right{display:flex;align-items:center;gap:.5rem}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;background:transparent;color:var(--color-muted-foreground);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:background-color .12s ease,color .12s ease,border-color .12s ease}.theme-toggle:hover{background:var(--color-accent);color:var(--color-foreground);border-color:var(--color-muted-foreground)}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon,.dark .theme-toggle .icon-sun{display:inline-block}.dark .theme-toggle .icon-moon{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-weight:500;border-radius:var(--radius-md);padding:.5rem 1rem;font-size:.875rem;cursor:pointer;text-decoration:none;transition:background-color .12s ease,color .12s ease,border-color .12s ease;white-space:nowrap}.btn-ghost{background:transparent;color:var(--color-foreground);border:1px solid transparent}.btn-ghost:hover{background:var(--color-accent)}.btn-primary{background:var(--color-primary);color:var(--color-primary-foreground);border:1px solid var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-lg{padding:.75rem 1.5rem;font-size:1rem;font-weight:600}.site-foot{border-top:1px solid var(--color-border);background:var(--color-band-muted);padding:2rem 1rem}.site-foot-inner{max-width:72rem;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:.75rem;text-align:center;font-size:.875rem;color:var(--color-muted-foreground)}.site-foot .foot-brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--color-foreground);margin-bottom:.25rem}.site-foot .foot-brand .logo{height:3rem;width:auto;user-select:none}.site-foot .foot-brand .wordmark{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;line-height:1}.site-foot .foot-brand .wordmark .accent{color:var(--color-primary)}.site-foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:.25rem}.site-foot-links a,.site-foot-community a{color:var(--color-muted-foreground);text-decoration:none;transition:color .12s ease}.site-foot-links a:hover,.site-foot-community a:hover{color:var(--color-foreground)}.site-foot-community{margin-top:.25rem}