body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    min-height: 100vh;
}

.container {
    background: #f8f9fa; /* Light gray, card-like */
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    margin: 3rem auto;
}

    .container.home, .container.about {
        max-width: 900px;
    }

    .container h1 {
        text-align: center;
        color: #007bff;
        margin-bottom: 2rem;
        font-weight: 600;
    }

    .container h4 {
        color: #6c757d;
        font-weight: 600;
        margin-bottom: 1rem;
    }

.form-group {
    margin-bottom: 1.5rem;
}

.input-affix-wrapper {
    position: relative;
}

.input-prefix {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
}

.form-control {
    padding-left: 2.5rem;
    border-radius: 8px;
    border: 1px solid #ced4da;
    transition: border-color 0.3s, box-shadow 0.3s;
}

    .form-control:focus {
        border-color: #007bff;
        box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
        outline: none;
    }

.btn-primary {
    width: auto;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    background: #007bff;
    border: none;
    transition: background 0.3s, transform 0.2s;
}

    .btn-primary:hover {
        background: #0056b3;
        transform: translateY(-2px);
    }

.text-danger {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.alert-danger {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
}

.spinner-border-sm {
    margin-left: 0.5rem;
}

.lang-section {
    margin-bottom: 2rem;
}

    .lang-section p {
        line-height: 1.6;
        margin-bottom: 1rem;
    }

.contact-info {
    background-color: aliceblue;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

    .contact-info h5 {
        color: #6c757d;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .contact-info p {
        margin-bottom: 0.5rem;
        color: #333;
    }

    .contact-info strong {
        color: #333;
    }

    .contact-info .row {
        margin-bottom: 1rem;
    }

/* Hero section styled as a card */
.hero-section {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: #f8f9fa; /* Light gray */
    color: #333; /* Dark text for readability */
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

    .hero-section h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
        color: #333;
    }

    .hero-section p {
        color: #333;
    }

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
    background-color: #f8f9fa; /* Light gray for all cards */
    color: #333;
}

    .card h4, .card p, .card a {
        color: #333; /* Dark text for readability */
    }

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

.card-body {
    padding: 1.5rem;
}

.card .btn {
    margin-top: 1rem;
}

/* Layout compatibility */
body.layout {
    display: block;
}

    body.layout .container {
        margin-top: 10px;
    }

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.8rem;
    }
}