* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to right, #081120, #13294b);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: white;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 35px;
    font-size: 40px;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
}

.input-group input {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    border: none;
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 15px;
}

.btn-login {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 16px;
    background: #1ea7ff;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.btn-login:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px #1ea7ff;
}

.error {
    background: #ef4444;
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
}