:root{color-scheme:dark;--bg: #0f1419;--bg-elevated: #1a2332;--bg-card: #1e2a3a;--border: #2d3f56;--text: #e8eef4;--text-muted: #8fa3b8;--accent: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--radius: 10px;--shadow: 0 4px 24px rgba(0, 0, 0, .35);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}#root{min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:var(--accent)}.app-header{position:sticky;top:0;z-index:100;background:#0f1419eb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:1rem 1.25rem}.header-inner{max-width:1200px;margin:0 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.75rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:.85rem}.error-banner{background:#ef444426;border:1px solid var(--danger);color:#fecaca;padding:.6rem .75rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:.85rem}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.login-card{width:100%;max-width:400px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;padding:2rem;box-shadow:var(--shadow)}.login-card h1{margin:0 0 .5rem;font-size:1.5rem}.login-card p{margin:0 0 1.25rem;color:var(--text-muted)}.comments-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.65rem}.comment-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:.65rem .75rem}.comment-item time{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:.25rem}.category-list-manage{list-style:none;margin:0;padding:0}.category-list-manage li{display:flex;gap:.5rem;align-items:center;margin-bottom:.5rem}.category-list-manage input{flex:1;padding:.45rem .65rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);color:var(--text)}@media(max-width:600px){.header-inner h1{flex:1 1 100%}.link-grid{grid-template-columns:1fr}}