body {
    font-family: 'Poppins', sans-serif;
    background: url('../img/background.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}
.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 1;
    margin: 0 auto;
}
.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.login-logo i {
    font-size: 3rem;
    color: #0d6efd;
}
.form-control {
    padding: 0.75rem;
    border-radius: 8px;
}
.btn-login {
    padding: 0.75rem;
    border-radius: 8px;
    font-weight: 500;
}
.back-link {
    text-align: center;
    margin-top: 1rem;
}
.navbar {
    background-color: #0d6efd;
    padding: 1rem;
}
.navbar-brand {
    color: white !important;
    font-weight: bold;
}
.nav-link {
    color: white !important;
}