body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ecf0f1; /* Cinza claro */
    color: #34495e; /* Azul escuro */
    margin: 0;
    padding: 0;
}

.container, .container-admin {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 800px;
    margin: 40px auto;
}

/* ADMIN STYLES */
.admin-body {
    background-color: #f4f6f9;
}

.container-admin {
    max-width: 600px;
    padding: 20px;
}

input[type="text"], input[type="password"], input[type="number"], textarea, select {
    width: 100%;
    padding: 10px;
    margin: 8px 0 15px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button, .button-link {
    background-color: #3498db; /* Azul */
    color: white;
    padding: 10px 15px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    font-size: 1em;
}

button:hover, .button-link:hover {
    background-color: #2980b9;
}

.hidden {
    display: none;
}

.message {
    padding: 10px;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}

.form-block {
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

/* Table Style for Admin */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background-color: #ecf0f1;
}

/* FRONTEND/QUIZ STYLES (A serem usados no front.php) */

.header-image {
    text-align: center;
    margin-bottom: 20px;
}

.header-image img {
    max-width: 150px; /* Tamanho da imagem */
    height: auto;
    border-radius: 50%; /* Opcional: para imagem circular */
}

h1.quiz-title {
    text-align: center;
    color: #2980b9;
}
/* ... Adicionar mais estilos de quiz e resultados conforme a primeira resposta ... */