: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}}body{background-color:#121212;color:#f0f0f0;font-family:Segoe UI,sans-serif;margin:0;display:flex;justify-content:center;align-items:center;height:100vh}.app{text-align:center;background-color:#1e1e1e;padding:30px;border-radius:15px;box-shadow:0 0 15px #ffffff1a;width:400px;position:relative}h1{font-size:24px;margin-bottom:20px}.phone-icon{color:#ff4b4b}.search-bar{width:100%;padding:10px;border-radius:8px;border:none;background:#2a2a2a;color:#fff;margin-bottom:15px}.add-btn{background:#3b82f6;border:none;padding:10px 15px;border-radius:8px;color:#fff;cursor:pointer;transition:background .2s;margin-bottom:15px}.add-btn:hover{background:#2563eb}.contact-list{display:flex;flex-direction:column;align-items:stretch;gap:15px;width:100%;max-width:400px;margin:20px auto;padding:10px;max-height:55vh;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#555 #222}.contact-list li{background:#2a2a2a;padding:15px;border-radius:10px;display:flex;justify-content:space-between;align-items:center;min-height:100px;width:100%;box-sizing:border-box}.contact-list::-webkit-scrollbar{width:6px}.contact-list::-webkit-scrollbar-track{background:#222;border-radius:10px}.contact-list::-webkit-scrollbar-thumb{background:#555;border-radius:10px}.contact-list::-webkit-scrollbar-thumb:hover{background:#888}.contact-list li{background:#2a2a2a;margin:8px 0;padding:12px;border-radius:10px;display:flex;justify-content:space-between;align-items:center}.contact-info{text-align:left}.email{font-size:.9em;color:#bdbdbd}button.edit{background:none;color:#3b82f6;font-size:18px;margin-right:10px}button.delete{background:none;color:#ff4b4b;font-weight:700;font-size:15px}button.delete:hover{text-decoration:underline}.popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center}.popup{background:#1e1e1e;padding:20px;border-radius:12px;width:300px;box-shadow:0 0 20px #ffffff1a}.popup h2{margin-bottom:15px}.popup input{display:block;width:100%;margin-bottom:10px;padding:10px;background:#2a2a2a;color:#fff;border:none;border-radius:8px}.popup-buttons{display:flex;justify-content:space-between;margin-top:10px}.popup-buttons button{flex:1;padding:10px;margin:0 5px;border:none;border-radius:8px;color:#fff;font-weight:700;cursor:pointer;transition:background .2s}.popup-buttons button:first-child{background:#22c55e}.popup-buttons button:first-child:hover{background:#16a34a}button.cancel{background:#ef4444}button.cancel:hover{background:#dc2626}