body {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/assets/your_illustration.png') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
}
.main-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin: auto;
}
.login-header {
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
    font-weight: 600;
}
.form-control {
    background: #f8f9fa;
    border: 1px solid #ddd;
    padding: 12px;
    height: auto;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}
.form-control:focus {
    background: #fff;
    border-color: #F9C416;
    box-shadow: 0 0 0 0.2rem rgba(249, 196, 22, 0.25);
}
.btn-login {
    background-color: #F9C416;
    color: #2E2B14;
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    width: 100%;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.btn-login:hover {
    background-color: #e0b014;
    transform: translateY(-1px);
}
.form-label {
    color: #555;
    font-weight: 500;
    margin-bottom: 0.5rem;
}
.alert {
    border-radius: 8px;
    font-size: 0.9rem;
}
.brand-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}
.brand-logo img {
    max-width: 120px;
    height: auto;
}
@media (max-width: 576px) {
    .login-container {
        margin: 15px;
        padding: 1.5rem;
    }
}