@import "https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap";
:root{--bg-primary:#fff;--bg-secondary:#f8f9fc;--bg-tertiary:#f0f2f8;--bg-card:#fff;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--text-inverse:#fff;--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-light:#e0e7ff;--accent-gradient:linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--border-color:#e2e8f0;--border-strong:#cbd5e1;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 16px #00000014, 0 2px 6px #0000000a;--shadow-lg:0 12px 40px #0000001f, 0 4px 12px #0000000f;--shadow-accent:0 8px 30px #6366f140;--font-sans:"Noto Sans KR", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"Fira Code", "Consolas", monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--max-width:1100px;--header-height:64px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#263045;--bg-card:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#64748b;--text-inverse:#0f172a;--accent-primary:#818cf8;--accent-secondary:#a78bfa;--accent-light:#1e1b4b;--accent-gradient:linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);--border-color:#334155;--border-strong:#475569;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 12px 40px #00000080;--shadow-accent:0 8px 30px #818cf84d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;height:100%;overflow-y:scroll}body{min-height:100%;font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal), color var(--transition-normal);flex-direction:column;font-size:16px;line-height:1.7;display:flex}a{color:inherit;text-decoration:none}img,video{max-width:100%;height:auto}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea{font-family:inherit;font-size:inherit}.container{width:100%;max-width:var(--max-width);margin-left:auto;margin-right:auto;padding-left:1.5rem;padding-right:1.5rem}.main-content{padding-top:var(--header-height);flex:1}.btn-primary{background:var(--accent-gradient);color:var(--text-inverse);border-radius:var(--radius-full);letter-spacing:.01em;transition:opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);box-shadow:var(--shadow-accent);justify-content:center;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;display:inline-flex}.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 12px 35px #6366f159}.btn-primary:active{transform:translateY(0)}.btn-secondary{color:var(--accent-primary);border:1.5px solid var(--accent-primary);border-radius:var(--radius-full);transition:background var(--transition-fast), color var(--transition-fast);background:0 0;justify-content:center;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;display:inline-flex}.btn-secondary:hover{background:var(--accent-light)}.btn-ghost{color:var(--text-secondary);border-radius:var(--radius-md);transition:background var(--transition-fast), color var(--transition-fast);background:0 0;justify-content:center;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.875rem;display:inline-flex}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal), transform var(--transition-normal), border-color var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md);border-color:var(--accent-primary);transform:translateY(-2px)}.prose{max-width:720px;color:var(--text-primary);line-height:1.8}.prose h1,.prose h2,.prose h3,.prose h4{color:var(--text-primary);margin-top:2rem;margin-bottom:.75rem;font-weight:700;line-height:1.3}.prose h1{font-size:2rem}.prose h2{border-bottom:2px solid var(--border-color);padding-bottom:.5rem;font-size:1.5rem}.prose h3{font-size:1.25rem}.prose h4{font-size:1.1rem}.prose p{margin-bottom:1.25rem}.prose a{color:var(--accent-primary);text-underline-offset:3px;transition:color var(--transition-fast);text-decoration:underline;text-decoration-thickness:1px}.prose a:hover{color:var(--accent-secondary)}.prose strong{color:var(--text-primary);font-weight:600}.prose em{font-style:italic}.prose ul,.prose ol{margin-bottom:1.25rem;padding-left:1.5rem}.prose li{margin-bottom:.375rem}.prose blockquote{border-left:4px solid var(--accent-primary);color:var(--text-secondary);margin:1.5rem 0;padding-left:1.25rem;font-style:italic}.prose code{font-family:var(--font-mono);background:var(--bg-tertiary);color:var(--accent-primary);border-radius:var(--radius-sm);padding:.15em .4em;font-size:.875em}.prose pre{color:#e2e8f0;border-radius:var(--radius-md);background:#1e293b;margin:1.5rem 0;padding:1.25rem 1.5rem;font-size:.875rem;line-height:1.7;overflow-x:auto}.prose pre code{color:inherit;background:0 0;padding:0}.prose img{border-radius:var(--radius-md);margin:1.5rem 0}.prose hr{border:none;border-top:2px solid var(--border-color);margin:2rem 0}.prose table{border-collapse:collapse;width:100%;margin:1.5rem 0;font-size:.875rem}.prose th,.prose td{border:1px solid var(--border-color);text-align:left;padding:.625rem .875rem}.prose th{background:var(--bg-secondary);font-weight:600}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in-up{animation:.5s forwards fadeInUp}.animate-fade-in{animation:.3s forwards fadeIn}.animate-pulse{animation:1.5s ease-in-out infinite pulse}.animate-spin{animation:1s linear infinite spin}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}@media (max-width:768px){:root{--header-height:56px}.container{padding-left:1rem;padding-right:1rem}.prose h1{font-size:1.625rem}.prose h2{font-size:1.25rem}}