/* dx-vif-parameters.css — Direct Connect VIF Parameters Guide */

/* ========== Takeaways ========== */
.takeaway-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-base); margin-bottom: var(--spacing-2xl);
}
.takeaway-card {
  background: linear-gradient(135deg, #FFF7ED 0%, #FFFBEB 100%);
  border: 2px solid #FDBA74; border-radius: var(--radius-base);
  padding: var(--spacing-base); display: flex; gap: var(--spacing-sm); align-items: flex-start;
}
.takeaway-num {
  background: var(--color-aws-orange-original); color: var(--color-text-white);
  width: 32px; height: 32px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--font-weight-bold); font-size: 20px; flex-shrink: 0;
}
.takeaway-text { font-size: 20px; line-height: 1.5; }
.takeaway-text strong { color: var(--color-aws-dark); }

/* ========== Analogy Table ========== */
.analogy-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: var(--radius-base); overflow: hidden; font-size: 20px;
  box-shadow: var(--shadow-sm); margin-bottom: var(--spacing-xl);
}
.analogy-table th {
  background: var(--color-aws-dark); color: var(--color-text-white);
  padding: var(--spacing-md) var(--spacing-base); text-align: left;
  font-weight: var(--font-weight-semibold);
}
.analogy-table td {
  padding: var(--spacing-md) var(--spacing-base);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}
.analogy-table tr:nth-child(even) td { background: #F9FAFB; }
.analogy-table tr:last-child td { border-bottom: none; }
.analogy-emoji { font-size: 22px; margin-right: 4px; }

/* ========== VIF Type Cards ========== */
.vif-type-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-base); margin-bottom: var(--spacing-xl);
}
.vif-type-card {
  border-radius: var(--radius-base); padding: var(--spacing-lg);
  text-align: center; box-shadow: var(--shadow-sm);
}
.vif-type-card.private { background: #ECFDF5; border: 2px solid #34D399; }
.vif-type-card.public { background: #EEF2FF; border: 2px solid #818CF8; }
.vif-type-card.transit { background: #FFF7ED; border: 2px solid #FDBA74; }
.vif-type-card h3 { margin: 0 0 var(--spacing-sm); font-size: 1.2em; }
.vif-type-card .vif-icon { font-size: 40px; margin-bottom: var(--spacing-sm); display: block; }
.vif-type-card p { font-size: 20px; margin: 0; line-height: 1.5; }
.vif-type-card .vif-dest {
  display: inline-block; margin-top: var(--spacing-sm); padding: 4px 14px;
  border-radius: 20px; font-size: 20px; font-weight: var(--font-weight-semibold);
}
.vif-type-card.private .vif-dest { background: #D1FAE5; color: #065F46; }
.vif-type-card.public .vif-dest { background: #E0E7FF; color: #3730A3; }
.vif-type-card.transit .vif-dest { background: #FED7AA; color: #92400E; }

/* ========== Param Table ========== */
.param-table-wrap { overflow-x: auto; margin-bottom: var(--spacing-xl); border-radius: var(--radius-base); box-shadow: var(--shadow-sm); }
.param-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 20px; min-width: 900px;
}
.param-table thead th {
  background: var(--color-aws-dark); color: var(--color-text-white);
  padding: var(--spacing-md) var(--spacing-sm); text-align: center;
  font-weight: var(--font-weight-semibold); white-space: nowrap;
}
.param-table thead th:first-child { text-align: left; padding-left: var(--spacing-base); }
.param-table tbody td {
  padding: var(--spacing-sm) var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-light); vertical-align: top;
  text-align: center;
}
.param-table tbody td:first-child {
  text-align: left; font-weight: var(--font-weight-semibold);
  color: var(--color-aws-dark); padding-left: var(--spacing-base); white-space: nowrap;
}
.param-table tbody tr:nth-child(even) td { background: #F9FAFB; }
.param-table tbody tr:last-child td { border-bottom: none; }
.badge-req {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: 20px; font-weight: var(--font-weight-semibold);
}
.badge-req.yes { background: #FEE2E2; color: #DC2626; }
.badge-req.no { background: #E0E7FF; color: #4338CA; }
.badge-check { color: #10B981; font-size: 22px; font-weight: bold; }
.badge-cross { color: #CBD5E1; font-size: 22px; }

/* ========== Detail Cards ========== */
.detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-base); margin-bottom: var(--spacing-xl);
}
.detail-card {
  background: var(--color-bg-white); border: 1px solid var(--color-border-light);
  border-radius: var(--radius-base); padding: var(--spacing-lg);
  box-shadow: var(--shadow-xs); transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.detail-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.detail-card.accent { border-left: 4px solid #818CF8; }
.detail-card h3 {
  margin: 0 0 var(--spacing-sm); font-size: 20px; color: var(--color-aws-dark);
  display: flex; align-items: center; gap: 8px;
}
.detail-card .param-name {
  font-family: 'Courier New', monospace; background: #F3F4F6;
  padding: 2px 8px; border-radius: 4px; font-size: 20px; color: #7C3AED;
}
.detail-card .param-desc { font-size: 20px; line-height: 1.6; margin-bottom: var(--spacing-sm); }
.detail-card .param-meta {
  background: #F8FAFC; border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md); font-size: 20px;
}
.detail-card .param-meta dt {
  font-weight: var(--font-weight-semibold); color: var(--color-text-secondary);
  display: inline; margin-right: 4px;
}
.detail-card .param-meta dd { display: inline; margin: 0 var(--spacing-base) 0 0; }

/* ========== SVG ========== */
.svg-container { margin: var(--spacing-xl) 0; text-align: center; }
.svg-container svg { max-width: 100%; height: auto; }
.svg-caption {
  text-align: center; font-size: 20px; color: var(--color-text-secondary);
  margin-top: var(--spacing-sm); font-style: italic;
}

/* ========== Code Tabs ========== */
.code-tabs { margin-bottom: var(--spacing-xl); border-radius: var(--radius-base); overflow: hidden; box-shadow: var(--shadow-sm); }
.code-tab-buttons { display: flex; background: #1E293B; }
.code-tab-btn {
  padding: var(--spacing-sm) var(--spacing-lg); border: none; background: transparent;
  color: #94A3B8; font-size: 20px; font-weight: var(--font-weight-semibold);
  cursor: pointer; transition: all var(--transition-base); border-bottom: 3px solid transparent;
}
.code-tab-btn.active { color: var(--color-aws-orange-original); border-bottom-color: var(--color-aws-orange-original); background: rgba(255,153,0,0.1); }
.code-panel { display: none; background: #0F172A; padding: var(--spacing-lg); }
.code-panel.active { display: block; }
.code-panel pre {
  margin: 0; color: #E2E8F0; font-family: 'Courier New', monospace;
  font-size: 20px; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
}
.code-comment { color: #64748B; }
.code-keyword { color: #38BDF8; }
.code-string { color: #34D399; }
.code-value { color: #FBBF24; }

/* ========== Practices ========== */
.practice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-base); }
.practice-card {
  border-radius: var(--radius-base); padding: var(--spacing-lg); font-size: 20px;
}
.practice-card.good { background: #ECFDF5; border: 2px solid #34D399; }
.practice-card.bad { background: #FEF2F2; border: 2px solid #F87171; }
.practice-card h3 { margin: 0 0 var(--spacing-sm); font-size: 20px; }
.practice-card ul { margin: 0; padding-left: var(--spacing-lg); }
.practice-card li { margin-bottom: var(--spacing-xs); line-height: 1.5; }

/* ========== Exam Tips ========== */
.exam-section {
  background: linear-gradient(135deg, #EEF2FF, #F5F3FF);
  border: 2px solid #818CF8; border-radius: var(--radius-xl);
  padding: var(--spacing-2xl); margin-bottom: var(--spacing-3xl);
}
.exam-badge {
  display: inline-block; background: #4338CA; color: var(--color-text-white);
  padding: 4px 16px; border-radius: 20px; font-size: 20px;
  font-weight: var(--font-weight-bold); margin-bottom: var(--spacing-base);
}
.exam-pattern-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-base); }
.exam-card {
  background: var(--color-bg-white); border-radius: var(--radius-base);
  padding: var(--spacing-lg); box-shadow: var(--shadow-xs);
}
.exam-card h3 { margin: 0 0 var(--spacing-sm); color: #4338CA; font-size: 20px; }
.exam-card p { font-size: 20px; margin: 0; line-height: 1.5; }
.exam-card .exam-answer {
  margin-top: var(--spacing-sm); padding: var(--spacing-sm) var(--spacing-md);
  background: #EEF2FF; border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold); color: #4338CA; font-size: 20px;
}

/* ========== FAQ ========== */
.faq-item { border: 1px solid var(--color-border-light); border-radius: var(--radius-base); margin-bottom: var(--spacing-sm); overflow: hidden; }
.faq-question {
  width: 100%; padding: var(--spacing-base) var(--spacing-lg);
  background: var(--color-bg-white); border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 20px; font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary); text-align: left;
}
.faq-question:hover { background: #F9FAFB; }
.faq-icon { font-size: 20px; transition: transform var(--transition-base); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 var(--spacing-lg) var(--spacing-lg); font-size: 20px; line-height: 1.6; color: var(--color-text-secondary); }

/* ========== Cheat Sheet ========== */
.cheatsheet {
  background: linear-gradient(135deg, #232F3E, #37475A);
  border-radius: var(--radius-xl); padding: var(--spacing-2xl);
  color: var(--color-text-white); margin-bottom: var(--spacing-3xl);
}
.cheatsheet h2 { text-align: center; margin: 0 0 var(--spacing-xl); font-size: 1.4em; }
.cheatsheet-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-base); }
.cheatsheet-item {
  background: rgba(255,255,255,0.1); border-radius: var(--radius-base);
  padding: var(--spacing-lg); border: 1px solid rgba(255,255,255,0.15);
}
.cheatsheet-item h3 { color: var(--color-aws-orange-original); margin: 0 0 var(--spacing-xs); font-size: 20px; }
.cheatsheet-item p { margin: 0; font-size: 20px; line-height: 1.5; opacity: 0.9; }

/* ========== Glossary ========== */
.glossary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-sm); }
.glossary-item {
  background: #F9FAFB; border-radius: var(--radius-sm);
  padding: var(--spacing-md) var(--spacing-base);
}
.glossary-term { font-weight: var(--font-weight-bold); color: var(--color-aws-dark); font-size: 20px; }
.glossary-def { font-size: 20px; color: var(--color-text-secondary); margin-top: 2px; }

/* ========== Note Box ========== */
.note-box {
  background: #FFF7ED; border-left: 4px solid var(--color-aws-orange-original);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--spacing-base) var(--spacing-lg); margin: var(--spacing-xl) 0;
  font-size: 20px; line-height: 1.6;
}
.note-box strong { color: var(--color-aws-dark); }

/* ========== Comparison Highlight ========== */
.highlight-private { background: #D1FAE5; padding: 1px 6px; border-radius: 4px; color: #065F46; font-weight: var(--font-weight-semibold); }
.highlight-public { background: #E0E7FF; padding: 1px 6px; border-radius: 4px; color: #3730A3; font-weight: var(--font-weight-semibold); }
.highlight-transit { background: #FED7AA; padding: 1px 6px; border-radius: 4px; color: #92400E; font-weight: var(--font-weight-semibold); }

/* ========== Hero ========== */
.hero {
  background: linear-gradient(135deg, #232F3E 0%, #37475A 100%);
  border-radius: var(--radius-xl); padding: var(--spacing-3xl) var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl); text-align: center; color: var(--color-text-white);
}
.hero-badge {
  display: inline-block; background: rgba(255,153,0,0.2); border: 1px solid rgba(255,153,0,0.4);
  border-radius: 30px; padding: 6px 20px; font-size: 20px; font-weight: var(--font-weight-semibold);
  color: var(--color-aws-orange-original); margin-bottom: var(--spacing-base);
}
.hero h1 { font-size: 2em; margin: 0 0 var(--spacing-base); line-height: 1.3; }
.hero-subtitle { font-size: 20px; opacity: 0.9; margin: 0; line-height: 1.6; }

/* ========== Section ========== */
.section { margin-bottom: var(--spacing-3xl); }
.section-header {
  display: flex; align-items: center; gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg); padding-bottom: var(--spacing-sm);
  border-bottom: 3px solid var(--color-aws-orange-original);
}
.section-icon { font-size: 28px; }
.section-header h2 { font-size: 1.4em; margin: 0; color: var(--color-aws-dark); }

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .takeaway-grid, .vif-type-grid, .detail-grid,
  .practice-grid, .exam-pattern-grid, .cheatsheet-grid,
  .glossary-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5em; }
}