/* --- General Body & Typography --- */
body {
  font-family: var(--font-body);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 20px;
}

/* --- Main Container --- */


.quiz-container {
  max-width: 800px;
  margin: 5rem auto 5rem auto;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  padding: 20px 30px;
}

/* --- Headings & Visual Hierarchy --- */
h1,
h2,
h3,
h4 {
  color: var(--primary-color);
  margin-bottom: 0.5em;
  font-weight: 700;
  font-family: var(--font-heading);
}

h1 {
  font-size: 2.2em;
  text-align: center;
  border-bottom: 2px solid #e9ecef;
  padding-bottom: 15px;
  margin-bottom: 25px;
}

h2 {
  font-size: 1.6em;
  color: var(--primary-color);
  border-left: 4px solid var(--accent-color);
  padding-left: 10px;
  margin-top: 40px;
}

/* --- Estilo para el Bloque del Caso --- */
.case-study-block {
  background-color: #ffffff;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 30px;
  font-size: 1.05em;
}

.case-study-block h2 {
  font-size: 1.8em;
  color: var(--primary-color);
  border-left: none;
  padding-left: 0;
  margin-top: 0;
  text-align: center;
}

.case-study-block h3 {
  font-size: 1.3em;
  color: var(--primary-color);
  font-weight: 700;
  margin-top: 25px;
  margin-bottom: 10px;
  border-bottom: 1px solid #e9ecef;
  padding-bottom: 5px;
}

.case-study-block h4 {
  font-size: 1.1em;
  color: #333;
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 10px;
}

.case-study-block p {
  margin-bottom: 15px;
}

.case-study-block ul {
  list-style-type: disc;
  padding-left: 20px;
}

.case-study-block ul li {
  margin-bottom: 8px;
}

/* --- Question Styling --- */
.question-block {
  background-color: var(--background-color);
  border: 1px solid #e7e7e7;
  border-radius: 8px;
  padding: 20px;
  margin-top: 25px;
}

.question-block p {
  margin-top: 0;
  font-size: 1.1em;
}

.question-block .question-title {
  font-weight: 600;
  margin-bottom: 15px;
}

.options-list {
  list-style-type: none;
  padding-left: 0;
}

.options-list li {
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 10px 15px;
  margin-bottom: 8px;
  cursor: default;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.options-list li:hover {
  background-color: #f7f7f7;
  border-color: #b0b0b0;
}

/* --- Association Table Styling --- */
.association-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

.association-table td {
  padding: 12px;
  border: 1px solid #e0e0e0;
  text-align: left;
}

.association-table td:first-child {
  font-weight: 600;
  background-color: #f7f9fa;
}

/* --- Details/Summary for Answers --- */
details {
  margin-top: 20px;
  border: 1px solid var(--accent-color);
  border-radius: 8px;
  background-color: #f0fdf9;
}

summary {
  padding: 12px 15px;
  font-weight: 600;
  color: var(--primary-color);
  cursor: pointer;
  outline: none;
  display: block;
  list-style: none;
  position: relative;
}

summary::-webkit-details-marker {
  display: none;
}

summary:hover {
  background-color: #e0fbf4;
}

/* Flecha personalizada para <summary> */
summary::after {
  content: "►";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8em;
  color: var(--primary-color);
  transition: transform 0.2s ease;
}

details[open] > summary::after {
  transform: translateY(-50%) rotate(90deg);
}

.justification {
  padding: 15px;
  border-top: 1px solid var(--accent-color);
  background-color: #ffffff;
  border-radius: 0 0 8px 8px;
}

.justification strong {
  color: var(--primary-color);
}

.correct-answer {
  font-weight: bold;
  color: #1e8e3e;
  display: block;
  margin-bottom: 10px;
}

/* Viñetas personalizadas para la justificación */
.custom-bullet {
  list-style-type: none;
  padding: 0;
}

.custom-bullet li {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><path fill="%2300C49A" d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>')
    no-repeat left 0.15em / 20px 20px;
  padding-left: 30px;
  margin-bottom: 10px;
  line-height: 1.8;
}

/* --- Responsive Design --- */
@media (max-width: 600px) {
  body {
    padding: 10px;
  }
  .quiz-container {
    padding: 15px;
  }
  h1 {
    font-size: 1.8em;
  }
  h2 {
    font-size: 1.4em;
  }

  .case-study-block h2 {
    font-size: 1.5em;
  }

  .case-study-block h3 {
    font-size: 1.2em;
  }

  /* Ajuste de tabla para móviles */
  .association-table,
  .association-table tbody,
  .association-table tr,
  .association-table td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .association-table tr {
    margin-bottom: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
  }

  .association-table td {
    border: none;
    border-bottom: 1px solid #f0f0f0;
    text-align: left;
  }

  .association-table td:last-child {
    border-bottom: none;
  }

  .association-table td:first-child {
    border-radius: 4px 4px 0 0;
  }
}