/* Estilos Gerais */
body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.card {
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 5px;
    padding: 15px;
}

.social-icons a {
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: #007bff !important;
}

/* Tema: Dark Blue */
body.theme-dark-blue {
    background-color: #1a252f;
    color: #ffffff;
}

.theme-dark-blue .navbar {
    background-color: #15202b !important;
}

.theme-dark-blue .card {
    background-color: #2c3e50;
}

.theme-dark-blue .btn-primary {
    background-color: #3498db;
    border-color: #3498db;
}

.theme-dark-blue .btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

/* Tema: Light Blue */
body.theme-light-blue {
    background-color: #e6f3fa;
    color: #2c3e50;
}

.theme-light-blue .navbar {
    background-color: #3498db !important;
}

.theme-light-blue .card {
    background-color: #ffffff;
}

.theme-light-blue .btn-primary {
    background-color: #2980b9;
    border-color: #2980b9;
}

.theme-light-blue .btn-primary:hover {
    background-color: #1f6391;
    border-color: #1f6391;
}

/* Tema: Dark Green */
body.theme-dark-green {
    background-color: #1e2f23;
    color: #ffffff;
}

.theme-dark-green .navbar {
    background-color: #163517 !important;
}

.theme-dark-green .card {
    background-color: #2e4a33;
}

.theme-dark-green .btn-primary {
    background-color: #27ae60;
    border-color: #27ae60;
}

.theme-dark-green .btn-primary:hover {
    background-color: #219653;
    border-color: #219653;
}

/* Tema: Light Gray */
body.theme-light-gray {
    background-color: #f1f1f1;
    color: #333333;
}

.theme-light-gray .navbar {
    background-color: #d1d1d1 !important;
}

.theme-light-gray .card {
    background-color: #ffffff;
}

.theme-light-gray .btn-primary {
    background-color: #6c757d;
    border-color: #6c757d;
}

.theme-light-gray .btn-primary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}

/* Responsividade */
@media (max-width: 768px) {
    .carousel-caption {
        padding: 10px;
        font-size: 0.9rem;
    }

    .carousel-caption h1 {
        font-size: 1.5rem;
    }

    .navbar-nav {
        text-align: center;
    }

    .social-icons a {
        font-size: 1.2rem;
    }
}