body {
    height: 960px;
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 50px;
}
.login-image img {
    width: 100%;
    max-width: 700px;
    height: 300px;
    object-fit: contain;
    background-color: transparent;
    margin-bottom: 30px;
    user-select: none;
}
.login-card {
    width: 400px;
    max-width: 90%;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    background: #fff;
    padding: 2rem;
}
.login-card h4 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 600;
}
.form-control {
    border-radius: 0.5rem;
    background-color: #f5f5f5; 
    color: #111; 
}

.form-control:focus {
    border: none; 
    box-shadow: none;
    outline: none; 
    background-color: #f5f5f5; 
}
.btn-login {
    background-color: #4f46e5;
    color: #fff;
    font-weight: 500;
    border: none;
    border-radius: 0.5rem;
}
.btn-login:hover {
    background-color: #3730a3;
    color: #fff;
}
.error-message {
    color: #dc2626;
    text-align: center;
    margin-bottom: 1rem;
}
.login-footer {
    text-align: center;
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 1.5rem;
}