/* Exam Rules Component Styles (Global for Exam/Category Pages aligned with blog.css) */

.exam-rules-wrapper {
  /* Colors matching blog.css theme */
  --ink: #37474f;
  --ink-light: #607d8b;
  --paper: #ffffff;
  --cream: #e3f2fd; /* Light blue accent background */
  --rule: #1976d2;
  --accent: #1976d2;
  --accent2: #1a237e; /* Deep blue for titles */
  --gold: #f57f17;
  --line: #dee2e6;
  --bg-alt: #f9f9f9;
  
  color: var(--ink);
  font-family: inherit;
  font-weight: 400;
  line-height: 1.85;
  font-size: 1.05rem;
  padding-bottom: 20px;
}

.exam-rules-wrapper *, 
.exam-rules-wrapper *::before, 
.exam-rules-wrapper *::after { 
  box-sizing: border-box; 
}

/* Base Typography */
.exam-rules-wrapper .section { margin-top: 2rem; }
.exam-rules-wrapper .section-label {
  font-family: inherit;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 600;
}
.exam-rules-wrapper .section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent2);
  margin-bottom: 1.5rem;
}

/* Qualifying Banner */
.exam-rules-wrapper .qualifying-banner {
  background: #f3f7ff;
  color: var(--ink);
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--accent);
  margin-top: 10px;
  border-radius: 0 4px 4px 0;
}
.exam-rules-wrapper .qualifying-banner .q-label {
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}
.exam-rules-wrapper .qualifying-banner p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
  font-style: italic;
}
.exam-rules-wrapper .qualifying-banner strong { 
  color: var(--accent2); 
  font-weight: 700; 
}

/* Speed Cards Grid */
.exam-rules-wrapper .speed-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}
@media (max-width: 540px) { 
  .exam-rules-wrapper .speed-cards { grid-template-columns: 1fr; } 
}
.exam-rules-wrapper .speed-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: var(--paper);
}
.exam-rules-wrapper .speed-card:hover { 
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--accent); 
}
.exam-rules-wrapper .speed-card .lang {
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
  font-weight: 600;
}
.exam-rules-wrapper .speed-card .wpm {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent2);
  line-height: 1;
  margin: 8px 0;
}
.exam-rules-wrapper .speed-card .wpm span {
  font-size: 1rem;
  color: var(--ink-light);
  font-weight: 400;
  vertical-align: middle;
  margin-left: 6px;
}
.exam-rules-wrapper .speed-card .note {
  font-size: 0.9rem;
  color: var(--ink-light);
  margin-top: 10px;
  line-height: 1.5;
}
.exam-rules-wrapper .speed-card .corner-badge {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 1px;
  background: var(--cream);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

/* Exam Table Wrap */
.exam-rules-wrapper .exam-table-wrap {
  overflow-x: auto;
  margin-top: 8px;
  margin-bottom: 1.5rem;
  background: var(--paper);
}
.exam-rules-wrapper table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0;
  border: 1px solid var(--line);
}
.exam-rules-wrapper thead {
  background: var(--cream);
}
.exam-rules-wrapper thead th {
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent2);
  border: 1px solid var(--line);
}
.exam-rules-wrapper tbody tr:nth-child(even) { background: var(--bg-alt); }
.exam-rules-wrapper tbody td {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  vertical-align: middle;
  color: var(--ink);
}
.exam-rules-wrapper tbody td:first-child {
  font-weight: 600;
  color: var(--accent2);
  white-space: nowrap;
}
.exam-rules-wrapper .tag-pill {
  display: inline-block;
  background: var(--accent2);
  color: var(--paper);
  font-size: 0.8rem;
  padding: 2px 10px;
  border-radius: 20px;
}
.exam-rules-wrapper .interval-row td {
  background: #fff8e1 !important;
  font-style: italic;
  color: #f57f17;
  font-weight: 500;
  text-align: center;
}

/* Mistakes Section */
.exam-rules-wrapper .mistakes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 8px;
}
@media (max-width: 620px) { 
  .exam-rules-wrapper .mistakes-grid { grid-template-columns: 1fr; } 
}
.exam-rules-wrapper .mistake-card {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
  display: flex !important;
  flex-direction: column !important;
  box-shadow: none !important;
}
.exam-rules-wrapper .mistake-card-header {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.exam-rules-wrapper .mistake-card.full .mistake-card-header { background: var(--accent); }
.exam-rules-wrapper .mistake-card.half .mistake-card-header { background: var(--ink-light); }
.exam-rules-wrapper .mistake-card-header .badge {
  font-size: 1.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  line-height: 1;
  background: transparent !important;
  padding: 0;
}
.exam-rules-wrapper .mistake-card-header .title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.3px;
}
.exam-rules-wrapper .mistake-card-header .subtitle {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 1px;
}
.exam-rules-wrapper .mistake-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 0;
  flex: 1;
}
.exam-rules-wrapper .mistake-list li {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.6;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink);
  margin-bottom: 0 !important;
}
.exam-rules-wrapper .mistake-list li:last-child { border-bottom: none; }
.exam-rules-wrapper .mistake-list li .num {
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 3px;
  flex-shrink: 0;
  min-width: 18px;
  font-weight: 600;
}
.exam-rules-wrapper .example {
  display: inline-block;
  background: #f5f5f5;
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink);
  margin-top: 3px;
}
.exam-rules-wrapper .example.danger { color: #c62828; }
.exam-rules-wrapper .example.warning { color: #f57f17; }
.exam-rules-wrapper kbd { font-family: monospace; background: #263238; color: #eceff1; padding: 2px 4px; border-radius: 4px; }

/* Formulas */
.exam-rules-wrapper .formula-block {
  background: transparent;
  padding: 0;
  margin-top: 1.5rem;
}
.exam-rules-wrapper .formula-item { 
  margin-bottom: 2rem; 
  background: #f8faff; /* Very subtle blue highlight */
  border: 1px solid var(--cream);
  border-left: 4px solid var(--accent);
  padding: 1.5rem 1.75rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.05);
}
.exam-rules-wrapper .formula-item:last-child { margin-bottom: 0; }
.exam-rules-wrapper .formula-name {
  font-size: 1rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 16px;
  font-weight: 800;
}
.exam-rules-wrapper .formula {
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.exam-rules-wrapper .formula .frac {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  text-align: center;
  margin: 0 4px;
}
.exam-rules-wrapper .formula .frac .num-f,
.exam-rules-wrapper .formula .frac .den-f {
  display: block;
  font-size: 0.95rem;
  line-height: 1.4;
  padding: 4px 8px;
}
.exam-rules-wrapper .formula .frac .num-f {
  border-bottom: 1px solid var(--line);
  color: var(--accent); 
  font-weight: 500;
}
.exam-rules-wrapper .formula .frac .den-f { color: var(--ink-light); }
.exam-rules-wrapper .formula .eq { color: var(--ink); font-weight: 400; margin: 0; }
.exam-rules-wrapper .formula .mult { color: var(--ink); font-size: 1rem; margin: 0; }
.exam-rules-wrapper .formula-note {
  font-size: 0.9rem;
  color: var(--ink-light);
  margin-top: 12px;
  font-style: italic;
}

/* Footer Note */
.exam-rules-wrapper .note-box {
  margin-top: 40px;
  border: 1px solid #ffe082;
  border-radius: 6px;
  padding: 1.5rem;
  background: #fff8e1;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.exam-rules-wrapper .note-box .icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.exam-rules-wrapper .note-box p {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.7;
  margin: 0;
}
.exam-rules-wrapper .note-box strong { 
  color: #f57f17; 
  font-weight: 600; 
}