:root{--primary:#6366f1;--secondary:#ec4899;--bg-color:#0f172a;--panel-bg:#1e293bb3;--text-color:#f8fafc;--text-muted:#94a3b8;--glass-border:#ffffff1a}body{background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 0 0,#6366f126 0,#0000 50%),radial-gradient(at 100% 0,#ec489926 0,#0000 50%);background-attachment:fixed;min-height:100vh;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}.container{max-width:800px;margin:0 auto;padding:4rem 2rem}.title{text-align:center;background:linear-gradient(135deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:2rem;font-size:3rem;font-weight:800;animation:.8s ease-out fadeDown}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;padding:2rem;animation:.8s ease-out fadeUp;box-shadow:0 25px 50px -12px #00000040}.add-user-form{gap:1rem;margin-bottom:2rem;display:flex}@media (width<=600px){.add-user-form{flex-direction:column}}input{border:1px solid var(--glass-border);color:var(--text-color);background:#0f172a99;border-radius:12px;outline:none;flex:1;padding:1rem 1.5rem;font-size:1rem;transition:all .3s}input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #6366f133}button{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;cursor:pointer;border:none;border-radius:12px;padding:1rem 2rem;font-size:1rem;font-weight:600;transition:all .3s}button:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #6366f166}button:active{transform:translateY(0)}.user-list{flex-direction:column;gap:1rem;display:flex}.user-card{border:1px solid var(--glass-border);background:#ffffff08;border-radius:16px;justify-content:space-between;align-items:center;padding:1.5rem;transition:all .3s;display:flex}.user-card:hover{background:#ffffff0d;border-color:#fff3;transform:translate(5px)}.user-name{font-size:1.1rem;font-weight:600}.user-email{color:var(--text-muted);margin-top:.25rem;font-size:.9rem}@keyframes fadeDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}