body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1b1325, #0a0612 80%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glass {
    background: rgba(30, 20, 40, 0.65);
    border-radius: 18px;
    padding: 40px;
    border: 1px solid rgba(180, 80, 255, 0.35);
    box-shadow: 0 0 30px rgba(180, 80, 255, 0.25);
    backdrop-filter: blur(14px);
}

.login-box {
    width: 380px;
    text-align: center;
}

.login-box h1 {
    color: #b44cff;
}

.subtitle {
    color: #aaa;
    margin-bottom: 25px;
}

.input-group label {
    color: #bbb;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    background: #0e0a18;
    border: 1px solid #333;
    color: white;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #b44cff, #ff3b3b);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 17px;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(180, 80, 255, 0.7);
}

.error-msg {
    color: #ff4a4a;
    margin-top: 15px;
    font-weight: bold;
}