:root{--bg:#fff;--bg-secondary:#f5f5f5;--text:#1a1a1a;--text-muted:#6b7280;--accent:#6366f1;--accent-hover:#4f46e5;--border:#e5e7eb;--card-bg:#fff;--nav-bg:#ffffffd9;--radius:.5rem;--max-w:800px;--font:"Inter", system-ui, sans-serif}[data-theme=dark]{--bg:#0f0f0f;--bg-secondary:#1a1a1a;--text:#f0f0f0;--text-muted:#9ca3af;--accent:#818cf8;--accent-hover:#a5b4fc;--border:#2d2d2d;--card-bg:#1a1a1a;--nav-bg:#0f0f0fd9}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;transition:background .2s,color .2s}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}h1,h2,h3,h4{font-weight:700;line-height:1.25}.container{max-width:var(--max-w);margin:0 auto;padding:0 1.25rem}.page{padding:5rem 0 3rem}nav{z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:fixed;top:0;left:0;right:0}.nav-inner{height:56px;max-width:var(--max-w);justify-content:space-between;align-items:center;margin:0 auto;padding:0 1.25rem;display:flex}.nav-brand{color:var(--text);font-size:1.1rem;font-weight:700}.nav-brand:hover{color:var(--accent);text-decoration:none}.nav-links{align-items:center;gap:1.5rem;list-style:none;display:flex}.nav-links a{color:var(--text-muted);font-size:.9rem;font-weight:500;transition:color .15s}.nav-links a:hover,.nav-links a.active{color:var(--accent);text-decoration:none}.nav-toggle{cursor:pointer;color:var(--text);background:0 0;border:none;padding:.4rem .5rem;font-size:1.5rem;line-height:1;display:none}@media (width<=600px){.nav-toggle{display:block}.nav-menu{background:var(--bg);border-bottom:1px solid var(--border);flex-direction:column;gap:0;padding:.75rem 1.25rem 1rem;display:none;position:absolute;top:56px;left:0;right:0}.nav-menu.open{display:flex}.nav-links{flex-direction:column;align-items:flex-start;gap:.75rem}}.theme-btn{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text);background:0 0;justify-content:center;align-items:center;padding:.4rem;line-height:1;transition:background .15s;display:flex}.theme-btn:hover{background:var(--bg-secondary)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:box-shadow .2s,transform .2s}.card:hover{transform:translateY(-2px);box-shadow:0 4px 24px #00000014}.badge{background:var(--bg-secondary);color:var(--text-muted);border:1px solid var(--border);border-radius:999px;padding:.2rem .6rem;font-size:.75rem;font-weight:500;display:inline-block}.btn{background:var(--accent);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:.4rem;padding:.6rem 1.2rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex}.btn:hover{background:var(--accent-hover);color:#fff;text-decoration:none}.btn-outline{border:1px solid var(--accent);color:var(--accent);background:0 0}.btn-outline:hover{background:var(--accent);color:#fff}.btn:disabled,.btn-outline:disabled{opacity:.55;cursor:not-allowed;pointer-events:none}.loading-bar{z-index:9999;background:0 0;height:2px;position:fixed;top:0;left:0;right:0;overflow:hidden}.loading-bar:after{content:"";background:var(--accent);width:60%;height:100%;animation:1s ease-in-out infinite loading-slide;position:absolute;top:0;left:-60%}@keyframes loading-slide{0%{left:-60%}to{left:110%}}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}label{font-size:.9rem;font-weight:500}input,textarea,select{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font);width:100%;padding:.65rem .9rem;font-size:.95rem;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--accent);outline:none}textarea{resize:vertical;min-height:130px}.section-tag{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem;font-size:.8rem;font-weight:600}.divider{border:none;border-top:1px solid var(--border);margin:2rem 0}.prose p{color:var(--text-muted);margin-bottom:1rem}.prose h2{margin:2rem 0 .75rem;font-size:1.4rem}.prose h3{margin:1.5rem 0 .5rem;font-size:1.1rem}