.navbar{position:sticky;top:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);z-index:100}.navbar-inner{max-width:1100px;margin:0 auto;padding:0 2rem;height:60px;display:flex;align-items:center;justify-content:space-between}.navbar-brand{font-size:1.2rem;font-weight:700;color:var(--color-text);letter-spacing:-.01em}.navbar-brand:hover{color:var(--color-accent)}nav ul{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}nav ul li a{font-size:.9rem;font-weight:500;color:var(--color-text-secondary);transition:color .15s}nav ul li a:hover{color:var(--color-text)}nav ul li button{font-size:.875rem;padding:.4em 1em}.home-page{max-width:760px;margin:0 auto;padding:5rem 2rem 4rem;text-align:center}.home-page h1{font-size:2.75rem;margin-bottom:1rem}.home-page .home-lead{font-size:1.125rem;color:var(--color-text-secondary);max-width:500px;margin:0 auto 2rem}.home-cta{display:inline-block;background:var(--color-accent);color:#fff;font-size:.9375rem;font-weight:500;padding:.65rem 1.5rem;border-radius:6px;transition:background-color .2s}.home-cta:hover{background:var(--color-accent-hover);color:#fff}.about-page{max-width:680px;margin:0 auto;padding:3rem 2rem}.about-page h1{margin-bottom:1.5rem}.about-page p{font-family:var(--font-serif);font-size:1.0625rem;line-height:1.8;color:#374151}.articles-page{max-width:760px;margin:0 auto;padding:3rem 2rem}.articles-page>h1{text-align:center;margin-bottom:2.5rem}.article-preview{display:block;padding:1.5rem 0;border-bottom:1px solid var(--color-border);color:var(--color-text)}.article-preview:first-of-type{border-top:1px solid var(--color-border)}.article-preview h3{font-size:1.2rem;color:var(--color-text);margin-bottom:.35rem;transition:color .15s}.article-preview:hover h3{color:var(--color-accent)}.article-preview p{margin:0 0 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p{font-size:.9375rem;color:var(--color-text-secondary);line-height:1.65;margin:0;font-family:var(--font-sans)}.comment-form{display:grid;gap:.75rem;margin-top:2rem;padding:1.5rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px}.comment-form label{font-size:.9rem;font-weight:500;color:var(--color-text)}.comment-form textarea{border:1px solid var(--color-border);border-radius:6px;font:inherit;font-size:.9375rem;padding:.75rem;resize:vertical;background:#fff;transition:border-color .2s}.comment-form textarea:focus{outline:none;border-color:var(--color-accent)}.auth-page{max-width:420px;margin:4rem auto;padding:0 1.5rem;text-align:left}.auth-page h1{text-align:center;margin-bottom:2rem}.auth-form{display:grid;gap:.6rem;background:var(--color-surface);padding:2rem;border:1px solid var(--color-border);border-radius:10px}.auth-form label{font-size:.875rem;font-weight:500;color:var(--color-text)}.auth-form input{border:1px solid var(--color-border);border-radius:6px;font:inherit;font-size:.9375rem;padding:.65rem .75rem;background:#fff;transition:border-color .2s}.auth-form input:focus{outline:none;border-color:var(--color-accent)}.auth-form button{margin-top:.25rem;width:100%;padding:.65em 1.25em;font-size:.9375rem}.auth-error{color:var(--color-error);font-size:.875rem;margin:0}.auth-switch{text-align:center;color:var(--color-text-secondary);font-size:.875rem;margin-top:1rem}.site-footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:2rem;text-align:center;color:var(--color-text-muted);font-size:.8125rem;margin-top:auto}.site-footer p{margin:0}.not-found-page{max-width:560px;margin:6rem auto;padding:0 2rem;text-align:center}.not-found-page h1{font-size:5rem;color:var(--color-border);margin-bottom:.5rem}.not-found-page p{color:var(--color-text-secondary);font-size:1.0625rem}:root{--color-bg: #ffffff;--color-surface: #f8f8f6;--color-border: #e5e5e3;--color-text: #1a1a2e;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-error: #dc2626;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-serif: Georgia, "Times New Roman", serif;font-family:var(--font-sans);line-height:1.6;font-weight:400;color:var(--color-text);background-color:var(--color-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;display:flex;flex-direction:column}#root{display:flex;flex-direction:column;min-height:100vh}h1{font-size:2.25rem;line-height:1.2;font-weight:700;margin:0 0 1rem}h2{font-size:1.5rem;line-height:1.3;font-weight:600;margin:0 0 .75rem}h3{font-size:1.125rem;line-height:1.4;font-weight:600;margin:0 0 .5rem}p{margin:0 0 1rem}a{color:var(--color-accent);text-decoration:none;font-weight:inherit}a:hover{color:var(--color-accent-hover)}button{border-radius:6px;border:1px solid transparent;padding:.5em 1.25em;font-size:.875rem;font-weight:500;font-family:inherit;background-color:var(--color-accent);color:#fff;cursor:pointer;transition:background-color .2s}button:hover{background-color:var(--color-accent-hover)}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}