/* Modern Quiz Theme - Compact Edition with Tabs */
:root {
  --primary-color: #c20000;
  --secondary-color: #ba8888;
  --bg-color: #ffffff; 
  --card-bg: #ffffff;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --success: #10b981;
  --error: #ef4444;
  --no-status: #3f3f3f;  
}

.quiz-page-wrapper {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text-main);
  line-height: 1.4;
  margin: 0;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 20px 20px 20px 20px; 
}

/* Tab Navigation */
.tab {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  background: #f3f4f6;
  padding: 4px;
  border-radius: 0.35rem 0.35rem 0 0;
  border: 1px solid #e5e7eb;
  border-bottom: none;
}

.tablinks {
  flex: 1;
  min-width: 120px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 0.35rem;
  transition: background 0.3s ease; 
}

.tablinks:hover {
  background: #e5e7eb;
  color: var(--text-main);
}

.tablinks.active {
  background: #d1d5db; /* A solid medium-gray */
  color: var(--text-main); /* Darker text for readability */
  cursor: default;
}

#quiz-container {
  background: var(--card-bg);
  max-width: 1000px;
  width: 100%;
  padding: 1.25rem;
  border-radius: 0 0 0.75rem 0.75rem; /* Rounded bottom to connect with tabs */
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Domain Tables */
.domain-table {
  width: 100%;
  border-collapse: collapse;
}

.domain-table td {
  padding: 1rem 0;
  border-bottom: 1px solid #f3f4f6;
}

/* Individual Questions */
.question {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

/* Answer Options */
.question-form {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

label {
  padding: 0.4rem 0.75rem;
  background: #f3f4f6;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
}

label:hover {
  background: #e5e7eb;
}

input[type="radio"] {
  margin-right: 10px;
  accent-color: var(--no-status);
}

label:has(input:checked) {
  border-color: var(--no-status);
  background: #eef2ff;
}

/* Action Buttons */
.check-answer-btn, #calc-score-btn {
  width: auto;
  min-width: 150px;
  background-color: var(--bg-color);
  color: var(--primary-color);
  border: 1px solid var(--primary-color); 
  padding: 0.6rem 1.2rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.check-answer-btn:hover, #calc-score-btn:hover {
  background-color: var(--secondary-color);
}

/* Hide tab content by default */
.tabcontent {
  display: none;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.score-text {
    font-family: inherit;
    color: var(--primary-color, #000000);
    font-size: 1.1rem;
    text-align: center;
}

.domain-row {
  font-family: inherit;
  color: var(--primary-color, #333);
  font-size: 1rem;
  line-height: 1.8;
}

.buy-coffee-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #FFDD00; /* Official Buy Me a Coffee Yellow */
  border-radius: 15px;        /* Rounded corners */
  padding: 4px 12px;          /* Adjusted padding for smaller image */
  text-decoration: none;
  transition: 0.3s;
  border: 1px solid rgba(0,0,0,0.1);
}

.buy-coffee-img {
  height: 20px !important; 
  width: auto !important;
  display: block;
}

.buy-coffee-btn:hover {
  background-color: #ffca00; 
  transform: scale(1.05);
  opacity: 0.9;
}