body{font-family:Arial,Helvetica,sans-serif;background:#0f1720;color:#e6eef8;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}
.login-container{background:#0b1220;padding:28px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.6);width:320px}
.login-container h1{margin:0 0 12px 0;font-size:20px;text-align:center}
.login-container label{display:block;margin-top:8px;font-size:13px;color:#bcd2ea}
.login-container input{width:100%;padding:8px;margin-top:6px;border-radius:4px;border:1px solid #274055;background:#071018;color:#fff}
.login-container button{width:100%;margin-top:14px;padding:10px;border-radius:6px;border:none;background:#0a84ff;color:#fff;font-weight:600;cursor:pointer}
.error{color:#ff8a8a;margin-top:8px;font-size:13px;text-align:center}