:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box}body{margin:0;padding:0}.app{width:100vw;min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:2rem 0;background-color:#f5f5f5}.container{width:100%;max-width:1200px;margin:0 auto;padding:2rem;background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a}h1{text-align:center;margin-bottom:2rem;color:#333;font-size:2.5rem}.layout{display:flex;gap:3rem;width:100%;justify-content:space-between;align-items:flex-start}.contacts{flex:2;min-width:400px}.contacts p{font-size:1.2rem;color:#666;text-align:center;padding:2rem}.contact-list{list-style:none;padding-left:0;max-height:70vh;overflow-y:auto}.contact-card{margin-bottom:.8rem;padding:1rem;border:1px solid #ddd;border-radius:8px;display:flex;justify-content:space-between;align-items:center;background-color:#f8f9fa;color:#222;transition:all .2s ease}.contact-card strong{font-size:1.2rem;color:#111}.contact-card small{color:#555;line-height:1.4}.contact-card:hover{background-color:#e9ecef;transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.delete-btn{background-color:#dc3545;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background-color .2s ease}.delete-btn:hover{background-color:#c82333}.form-wrapper{flex:1;min-width:320px;max-width:400px;background-color:#f8f9fa;padding:2rem;border-radius:8px;border:1px solid #e9ecef}.form-wrapper h2{margin-top:0;margin-bottom:1.5rem;color:#333;text-align:center}.form{display:flex;flex-direction:column;gap:1rem}.form input{padding:.75rem;font-size:1rem;border:1px solid #ccc;border-radius:6px;outline:none;transition:border-color .2s ease}.form input:focus{border-color:#007bff}.error{color:#dc3545;margin:0;font-size:.9rem;text-align:center}.add-btn{padding:.75rem;font-size:1rem;background-color:#007bff;color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background-color .2s ease}.add-btn:hover{background-color:#0056b3}@media (max-width: 768px){.app{padding:1rem 0}.container{margin:0 1rem;padding:1rem}.layout{flex-direction:column;gap:2rem}.contacts{min-width:100%}.form-wrapper{order:-1;min-width:100%;max-width:100%}}