:root{--bg-color:#f9fafb;--card-bg:#ffffff;--text-color:#1f2937;--text-muted:#6b7280;--heading-color:#111827;--primary:#2563eb;--primary-hover:#1d4ed8;--secondary:#4b5563;--border-color:#e5e7eb;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--radius:8px;--offset-bg-color:#f3f4f6;--alt-bg-color:#f9fafb;--pop-color:var(--primary);--pop-off:var(--primary-hover);--pop-shadow:rgba(37,99,235,0.2);--submit-color:var(--primary);--submit-color-disabled:#9ca3af;--invalid:#ef4444;--invalid-off:#f87171;--border-glow:var(--primary);--def-border:1px solid var(--border-color);--def-radius:var(--radius);--font-normal:1rem;--font-small:0.875rem;--font-strong:600;--font-wide-font:system-ui,-apple-system,sans-serif;--font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";--button-text:#ffffff;--alt-offset-color:var(--border-color)}@media (prefers-color-scheme:dark){:root{--bg-color:#0f172a;--card-bg:#1e293b;--text-color:#f3f4f6;--text-muted:#9ca3af;--heading-color:#ffffff;--primary:#3b82f6;--primary-hover:#60a5fa;--border-color:#334155;--offset-bg-color:#1e293b;--alt-bg-color:#0f172a;--offset-bg-color-faded:rgba(30,41,59,0.8);--third-text-color:var(--text-muted);--input-back:#334155}}*{box-sizing:border-box}body,html{font-family:var(--font);margin:0;padding:0;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--primary)}h1,h2,h3,h4,h5,h6{color:var(--heading-color);margin-top:0;line-height:1.3}.container{width:100%;max-width:800px;margin:0 auto;padding:0 20px}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1 1;padding:40px 0}.navbar{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);padding:1rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:10;box-shadow:var(--shadow-sm)}.navbar-content{display:flex;justify-content:space-between;align-items:center}.logo{font-weight:700;font-size:1.25rem;color:var(--heading-color)}.nav-link{color:var(--text-muted);font-size:.95rem;margin-left:20px}.nav-link:hover{color:var(--primary)}.card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);padding:2rem;margin-bottom:2rem;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.card:hover.interactive{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary-hover)}.post-title{font-size:1.75rem;font-weight:700;margin-bottom:.5rem;color:var(--heading-color)}.post-meta{font-size:.875rem;color:var(--text-muted);margin-bottom:1rem}.post-preview{color:var(--text-color);overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}.btn{display:inline-block;background-color:var(--primary);color:white!important;padding:.5rem 1rem;border-radius:var(--radius);font-weight:500;border:none;cursor:pointer;font-size:.95rem;transition:background-color .2s}.btn:hover{background-color:var(--primary-hover)}.btn:disabled{background-color:var(--submit-color-disabled);cursor:not-allowed}.markdown-content{color:var(--text-color)}.markdown-content h1{font-size:2.25rem;margin-top:2rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border-color)}.markdown-content h2{font-size:1.75rem;margin-top:1.75rem;margin-bottom:.75rem}.markdown-content h3{font-size:1.5rem;margin-top:1.5rem;margin-bottom:.75rem}.markdown-content p{margin-bottom:1.25rem}.markdown-content ol,.markdown-content ul{margin-bottom:1.25rem;padding-left:1.5rem}.markdown-content li{margin-bottom:.5rem}.markdown-content code{background-color:var(--offset-bg-color);padding:.2em .4em;border-radius:4px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.markdown-content pre{background-color:var(--offset-bg-color);padding:1rem;border-radius:var(--radius);overflow-x:auto;margin-bottom:1.5rem}.markdown-content pre code{background-color:transparent;padding:0}.markdown-content blockquote{border-left:4px solid var(--primary);padding-left:1rem;margin-left:0;color:var(--text-muted);font-style:italic}.markdown-content img{max-width:100%;border-radius:var(--radius);margin:1rem 0}.cancel{margin-top:5px;margin-bottom:15px;width:100%;padding:8px 10px;border-radius:var(--def-radius);border:var(--def-border);background-color:var(--invalid);color:var(--button-text)!important;font-size:14px;font-weight:500;cursor:pointer}.cancel:hover{border-color:rgba(255,157,157,.26);outline:none;box-shadow:0 0 0 3px var(--invalid-off)}.login-background,.login-background-large{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.login-input{background-color:var(--bg-color);color:var(--text-color);margin-top:5px;margin-bottom:15px;width:100%;padding:5px 10px;border-radius:var(--def-radius);border:var(--def-border);font-size:14px}.login-input:focus{border-color:var(--border-glow);outline:none;box-shadow:0 0 0 3px var(--login-blue)}.submit{margin-top:5px;margin-bottom:15px;width:100%;padding:8px 10px;border-radius:var(--def-radius);border:var(--def-border);background-color:var(--submit-color);color:var(--button-text)!important;font-size:14px;font-weight:500;cursor:pointer}.submit:hover{border-color:var(--pop-off);outline:none;box-shadow:0 0 0 3px var(--pop-shadow)}