:root{--bg-color: #f6f6f4;--text-color: #1c1c1c;--muted-color: #6b6b68;--border-color: #e2e2e0;--card-bg: #ffffff;--btn-bg: #1c1c1c;--btn-fg: #ffffff;--font-family: system-ui, -apple-system, "Segoe UI", sans-serif}body{margin:0;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;min-height:100vh}header{padding:1rem 2rem;background:#ffffffd9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}h1{font-size:2.25rem;font-weight:700;letter-spacing:-.02em;margin:0 0 .5rem}h2{font-size:1.25rem;font-weight:600;margin:0 0 1.25rem}nav a{color:var(--muted-color);text-decoration:none;margin-left:1.5rem;transition:color .2s}nav a:hover,nav a.active{color:var(--text-color)}main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%;box-sizing:border-box}.hero{margin:2rem 0 3rem}.hero p{color:var(--muted-color);font-size:1.1rem;margin:0}section{margin-bottom:3rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.card{background:var(--card-bg);border-radius:10px;overflow:hidden;transition:box-shadow .2s,border-color .2s;border:1px solid var(--border-color)}.card:hover{box-shadow:0 4px 16px #00000014;border-color:#c9c9c6}.card-thumbnail{height:160px;overflow:hidden}.card-thumbnail img{width:100%;height:100%;object-fit:cover}.card-content{padding:1.5rem}.card h3{margin:0 0 .5rem;font-size:1.1rem}.card p{color:var(--muted-color);margin:0 0 1.25rem;line-height:1.5}.empty-note{color:var(--muted-color);font-style:italic}.btn{display:inline-block;padding:.5rem 1rem;background:var(--btn-bg);color:var(--btn-fg);text-decoration:none;font-weight:600;border-radius:6px;transition:opacity .2s}.btn:hover{opacity:.85}