@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");:root,[data-theme=dark]{--background:#0a0a0c;--foreground:#ededed;--muted:#a0aec0;--accent:#6b46c1;--accent-light:#9f7aea;--accent-gradient:linear-gradient(135deg,#6b46c1,#3182ce);--surface-glass:rgba(255,255,255,0.03);--surface-border:rgba(255,255,255,0.08);--surface-hover:rgba(255,255,255,0.06);--nav-bg:rgba(10,10,12,0.85);--input-bg:rgba(0,0,0,0.3);--card-bg:rgba(0,0,0,0.3);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}[data-theme=light]{--background:#f0f2f5;--foreground:#1a1a2e;--muted:#555e75;--accent:#6b46c1;--accent-light:#553c9a;--accent-gradient:linear-gradient(135deg,#6b46c1,#3182ce);--surface-glass:rgba(255,255,255,0.75);--surface-border:rgba(0,0,0,0.09);--surface-hover:rgba(255,255,255,0.95);--nav-bg:rgba(240,242,245,0.88);--input-bg:rgba(255,255,255,0.8);--card-bg:rgba(255,255,255,0.6)}*{box-sizing:border-box;padding:0;margin:0}html{transition:background-color .3s ease,color .3s ease}body{background-color:var(--background);color:var(--foreground);font-family:var(--font-sans);line-height:1.6;min-height:100vh;overflow-x:hidden;background-image:radial-gradient(circle at 15% 50%,rgba(107,70,193,.05),transparent 25%),radial-gradient(circle at 85% 30%,rgba(49,130,206,.05),transparent 25%);transition:background-color .3s ease}h1,h2,h3,h4,h5,h6{font-weight:600;letter-spacing:-.02em;line-height:1.2}h1{font-size:clamp(2rem,5vw,3rem);background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h2{font-size:clamp(1.4rem,3vw,2rem)}h2,p{margin-bottom:1rem}p{color:var(--muted)}a{color:inherit;text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-light)}.glass-panel{background:var(--surface-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--surface-border);border-radius:16px;padding:2rem;transition:transform .3s ease,background .3s ease,box-shadow .3s ease}.glass-panel:hover{transform:translateY(-2px);background:var(--surface-hover);box-shadow:0 10px 30px -10px rgba(0,0,0,.2)}.glass-nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--surface-border);padding:.85rem 2rem;justify-content:space-between;gap:.5rem;transition:background .3s ease}.glass-nav,.nav-links{display:flex;align-items:center;flex-wrap:wrap}.nav-links{gap:1.5rem}.nav-mobile-controls{display:none;align-items:center;gap:.5rem}.hamburger{background:var(--surface-glass);border:1px solid var(--surface-border);color:var(--foreground);padding:.4rem .75rem;border-radius:8px;cursor:pointer;font-size:1.1rem;line-height:1}.mobile-menu{width:100%;border-top:1px solid var(--surface-border);padding-top:1rem;display:flex;flex-direction:column;gap:0;margin-top:.25rem}button,input,select,textarea{font-family:inherit;font-size:1rem}input,select,textarea{width:100%;background:var(--input-bg);border:1px solid var(--surface-border);color:var(--foreground);padding:.75rem 1rem;border-radius:8px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}input:focus,select:focus,textarea:focus{border-color:var(--accent-light);box-shadow:0 0 0 2px rgba(159,122,234,.2)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:8px;font-weight:500;cursor:pointer;transition:all .2s ease;border:none;white-space:nowrap}.btn-primary{background:var(--accent-gradient);color:white;box-shadow:0 4px 14px 0 rgba(107,70,193,.39)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(107,70,193,.4)}.btn-secondary{background:var(--surface-glass);color:var(--foreground);border:1px solid var(--surface-border)}.btn-secondary:hover{background:var(--surface-hover)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn .5s cubic-bezier(.16,1,.3,1) forwards}.site-popup-backdrop{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:1rem}.site-popup-card{width:min(520px,96vw);background:var(--surface-glass);border:1px solid var(--surface-border);border-radius:16px;padding:1.5rem;box-shadow:0 20px 45px rgba(0,0,0,.35)}.site-popup-card h3{margin:0 0 .8rem;color:var(--foreground);font-size:1.1rem}.site-popup-card p{margin:0 0 1.2rem;color:var(--muted);line-height:1.5}.site-popup-actions{display:flex;justify-content:flex-end;gap:.6rem;flex-wrap:wrap}.site-popup-danger{border:none;background:#e53e3e;color:#fff;border-radius:8px;padding:.75rem 1.25rem;font-weight:600;cursor:pointer}.site-popup-danger:hover{filter:brightness(1.07)}.container{max-width:1200px;margin:0 auto;padding:2rem}.grid{display:grid;gap:2rem}main{min-height:calc(100vh - 120px)}.markdown-body h1,.markdown-body h2,.markdown-body h3{color:var(--foreground);-webkit-text-fill-color:var(--foreground);margin:1.5rem 0 .75rem}.markdown-body p{color:var(--muted)}.markdown-body code{background:var(--card-bg);padding:.15rem .4rem;border-radius:4px;font-size:.9em}.markdown-body pre{background:var(--card-bg);padding:1rem;border-radius:8px;overflow-x:auto}.markdown-body ol,.markdown-body ul{padding-left:1.5rem;color:var(--muted)}.markdown-body blockquote{border-left:3px solid var(--accent);padding-left:1rem;opacity:.8}.markdown-body a{color:var(--accent-light)}@media (max-width:768px){.nav-links{display:none}.nav-mobile-controls{display:flex}.glass-nav{padding:.75rem 1rem}.container{padding:1rem}.glass-panel{padding:1.25rem}.grid{gap:1rem}h2{font-size:1.4rem}.btn{padding:.6rem 1.1rem;font-size:.9rem}div[style*="max-height: 600px"]{max-height:250px!important}.grid[style*="minmax(280px"]{grid-template-columns:1fr 1fr!important}}@media (max-width:480px){h1{font-size:1.75rem}.grid[style*="minmax(280px"],.grid[style*="minmax(300px"]{grid-template-columns:1fr!important}}