:root{font-family:Inter,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}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%;margin:0 auto;text-align:center}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}}.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.app-header{text-align:center;color:#fff;margin-bottom:40px;padding:30px 20px}.app-header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.subtitle{font-size:1.1rem;opacity:.95;margin-bottom:10px}.hello-message{font-size:1rem;background:#fff3;padding:10px 20px;border-radius:20px;display:inline-block;margin-top:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.app-main{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:25px}.card{background:#fff;border-radius:16px;padding:30px;box-shadow:0 10px 40px #00000026;transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 15px 50px #0003}.card h2{margin-top:0;margin-bottom:20px;color:#333;font-size:1.5rem}.form-card form{display:flex;flex-direction:column;gap:15px}.form-group{display:flex;flex-direction:column}.form-group input{padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:all .3s ease;font-family:inherit}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background:#f5f5f5;cursor:not-allowed}button{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:inherit}button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}button:active:not(:disabled){transform:translateY(0)}button:disabled{opacity:.6;cursor:not-allowed}.error-message{background:#fee;color:#c33;padding:15px 20px;border-radius:8px;border-left:4px solid #c33;font-weight:500}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card-header h2{margin:0}.refresh-btn{padding:8px 16px;font-size:.9rem;background:#667eea}.users-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.user-item{display:flex;gap:15px;padding:20px;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);border-radius:12px;transition:all .3s ease;border:2px solid transparent}.user-item:hover{border-color:#667eea;transform:scale(1.02)}.user-avatar{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;flex-shrink:0;box-shadow:0 4px 10px #667eea4d}.user-info{flex:1;min-width:0}.user-info h3{margin:0 0 8px;color:#333;font-size:1.2rem}.user-email{margin:0 0 8px;color:#666;font-size:.95rem;word-break:break-all}.user-date{margin:0;color:#999;font-size:.85rem}.loading,.empty{text-align:center;color:#999;padding:40px 20px;font-size:1.1rem}.app-footer{text-align:center;color:#fff;padding:30px 20px;margin-top:40px;font-size:1rem}.app-footer p{margin:0;opacity:.9}@media(max-width:768px){.app-header h1{font-size:2rem}.subtitle{font-size:1rem}.users-grid{grid-template-columns:1fr}.card{padding:20px}.card-header{flex-direction:column;align-items:flex-start;gap:15px}.refresh-btn{width:100%}}.delete-btn{background:transparent;color:#ff4d4f;padding:8px;font-size:1.2rem;opacity:.7;align-self:center;box-shadow:none;margin-left:10px}.delete-btn:hover:not(:disabled){background:#ff4d4f1a;transform:scale(1.1);opacity:1;box-shadow:none}