/* ============== INTERACTIVE TOOLS STYLES ============== */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.tool-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
.tool-card .tool-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 18px; }

.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .tool-grid { grid-template-columns: 1fr; } }

.tool-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.tool-input-group label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .3px;
}
.tool-input-group input, .tool-input-group select {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}
.tool-input-group input:focus, .tool-input-group select:focus {
  outline: none;
  border-color: var(--aws-orange);
  box-shadow: 0 0 0 3px rgba(255,153,0,.15);
}

.tool-output {
  background: var(--aws-navy);
  color: white;
  padding: 18px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  margin-top: 12px;
}
.tool-output .key { color: var(--aws-orange); }
.tool-output .val { color: #B0E0F0; }

.recommendation-card {
  background: linear-gradient(135deg, rgba(255,153,0,.1), rgba(20,110,180,.06));
  border: 1.5px solid var(--aws-orange);
  border-radius: var(--radius);
  padding: 18px;
  margin-top: 16px;
}
.recommendation-card .badge {
  display: inline-block;
  background: var(--aws-orange);
  color: white;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.recommendation-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.recommendation-card p { font-size: 13.5px; color: var(--text-muted); margin: 0; }

.flashcard {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  cursor: pointer;
  perspective: 1000px;
  transition: var(--transition);
}
.flashcard:hover { border-color: var(--aws-orange); }
.flashcard .question { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.flashcard .hint { font-size: 12px; color: var(--text-light); }
.flashcard.flipped { background: linear-gradient(135deg, rgba(255,153,0,.06), rgba(20,110,180,.04)); }
.flashcard.flipped .answer { display: block; }
.flashcard .answer { display: none; font-size: 14.5px; line-height: 1.7; }

.matcher-game {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.match-item {
  padding: 12px 16px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition);
  text-align: center;
}
.match-item:hover { border-color: var(--aws-orange); }
.match-item.selected { background: rgba(20,110,180,.12); border-color: var(--aws-blue); }
.match-item.matched { background: rgba(29,129,2,.12); border-color: var(--aws-green); opacity: .7; cursor: default; }
.match-item.wrong { background: rgba(209,50,18,.12); border-color: var(--aws-red); }