/* NemoClaw Teaching Workspace - Shared Styles */
/* Inspired by Edward Tufte's principles: clarity, precision, efficiency */

:root {
  --bg-color: #fffff8;
  --text-color: #111;
  --accent-color: #76b900; /* NVIDIA green */
  --secondary-color: #1a5fb4; /* LangChain blue */
  --border-color: #ddd;
  --code-bg: #f5f5f5;
  --success-color: #2e7d32;
  --error-color: #c62828;
  --warning-color: #f57c00;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 15px;
}

body {
  font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
  line-height: 1.7;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1rem;
  background: var(--bg-color);
  color: var(--text-color);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, sans-serif;
  font-weight: 400;
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 2.5rem;
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.8rem;
  color: #333;
}

h3 {
  font-size: 1.3rem;
  color: #555;
}

p {
  margin: 1rem 0;
}

/* Sidenotes (Tufte-style) */
.sidenote {
  float: right;
  clear: right;
  margin-right: -40%;
  width: 35%;
  margin-top: 0.3rem;
  margin-bottom: 0;
  font-size: 0.85rem;
  line-height: 1.4;
  color: #666;
  border-left: 2px solid var(--accent-color);
  padding-left: 1rem;
}

/* Main content area */
article {
  width: 60%;
}

@media (max-width: 1200px) {
  article { width: 100%; }
  .sidenote {
    float: none;
    margin: 1rem 0;
    width: 100%;
    background: #f9f9f9;
    padding: 1rem;
    border-radius: 4px;
  }
}

/* Code blocks */
pre, code {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
}

code {
  background: var(--code-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

pre {
  background: var(--code-bg);
  padding: 1.5rem;
  overflow-x: auto;
  border-radius: 4px;
  border-left: 4px solid var(--accent-color);
}

pre code {
  background: none;
  padding: 0;
}

/* Code blocks with syntax highlighting */
.code-block {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 1rem 0;
}
.code-block .comment { color: #6a9955; }
.code-block .keyword { color: #569cd6; }
.code-block .string { color: #ce9178; }
.code-block .function { color: #dcdcaa; }
.code-block .number { color: #b5cea8; }

/* Diagrams */
.diagram-container {
  margin: 2rem 0;
  padding: 1.5rem;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.diagram-container h4 {
  margin-top: 0;
  color: var(--accent-color);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mermaid {
  text-align: center;
}

/* Definition boxes */
.definition {
  background: linear-gradient(135deg, #f8fdf5 0%, #f0f9e8 100%);
  border-left: 4px solid var(--accent-color);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.definition h4 {
  margin: 0 0 0.5rem 0;
  color: var(--accent-color);
  font-size: 1.1rem;
}

.definition p {
  margin: 0.5rem 0 0 0;
}

/* Key insight callouts */
.insight {
  background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
  border-left: 4px solid var(--warning-color);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.insight::before {
  content: "Key Insight";
  display: block;
  font-weight: bold;
  color: var(--warning-color);
  margin-bottom: 0.5rem;
  font-family: 'Gill Sans', sans-serif;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* Citations */
.citation {
  font-size: 0.85rem;
  color: #666;
  font-style: italic;
}

.citation a {
  color: var(--secondary-color);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--code-bg);
  font-family: 'Gill Sans', sans-serif;
  font-weight: 600;
  color: #333;
}

tr:hover {
  background: #fafafa;
}

/* Quiz styles */
.quiz {
  background: #f5f5f5;
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
}

.quiz h3 {
  margin-top: 0;
  color: var(--secondary-color);
}

.quiz-question {
  margin: 1.5rem 0;
  padding: 1rem;
  background: white;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.quiz-question p {
  margin: 0 0 1rem 0;
  font-weight: 500;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.quiz-option {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--code-bg);
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.quiz-option:hover {
  background: #e8e8e8;
}

.quiz-option.selected {
  border-color: var(--secondary-color);
  background: #e3f2fd;
}

.quiz-option.correct {
  border-color: var(--success-color);
  background: #e8f5e9;
}

.quiz-option.incorrect {
  border-color: var(--error-color);
  background: #ffebee;
}

.quiz-option input {
  margin-right: 0.75rem;
}

.quiz-feedback {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 4px;
  display: none;
}

.quiz-feedback.show {
  display: block;
}

.quiz-feedback.correct {
  background: #e8f5e9;
  color: var(--success-color);
}

.quiz-feedback.incorrect {
  background: #ffebee;
  color: var(--error-color);
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  font-family: 'Gill Sans', sans-serif;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent-color);
  color: white;
}

.btn-primary:hover {
  background: #5a8f00;
}

.btn-secondary {
  background: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background: #0d47a1;
}

/* Navigation */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.lesson-nav a {
  color: var(--secondary-color);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--secondary-color);
  border-radius: 4px;
  transition: all 0.2s;
}

.lesson-nav a:hover {
  background: var(--secondary-color);
  color: white;
}

/* Footer */
.lesson-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: #666;
}

.lesson-footer .help-prompt {
  background: #e3f2fd;
  padding: 1rem;
  border-radius: 4px;
  margin-top: 1rem;
}

/* Comparison tables */
.comparison-table {
  font-size: 0.9rem;
}

.comparison-table .yes {
  color: var(--success-color);
  font-weight: bold;
}

.comparison-table .no {
  color: var(--error-color);
}

.comparison-table .partial {
  color: var(--warning-color);
}

/* Architecture layers */
.layer {
  padding: 1.5rem;
  margin: 0.5rem 0;
  border-radius: 8px;
}

.layer-orchestration {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
  border: 2px solid var(--accent-color);
}

.layer-sandbox {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border: 2px solid var(--secondary-color);
}

.layer-agent {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
  border: 2px solid var(--warning-color);
}

.layer-model {
  background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
  border: 2px solid #7b1fa2;
}

/* Print styles */
@media print {
  body {
    max-width: 100%;
    font-size: 12pt;
  }

  .sidenote {
    float: none;
    width: 100%;
    margin: 1rem 0;
    page-break-inside: avoid;
  }

  .quiz {
    page-break-inside: avoid;
  }

  .lesson-nav, .btn {
    display: none;
  }
}

/* ============================================
   Comparison Box Styles (Lesson 5)
   ============================================ */
.comparison-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.comparison-box > div {
  padding: 1rem;
  border-radius: 8px;
}

.box-openclaw {
  background: #e3f2fd;
  border: 2px solid #1a5fb4;
}

.box-deepagents {
  background: #e8f5e9;
  border: 2px solid #76b900;
}

@media (max-width: 800px) {
  .comparison-box {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Layer Deep Dive Styles (Lesson 10)
   ============================================ */
.layer-deep {
  margin: 2rem 0;
  border: 2px solid;
  border-radius: 12px;
  overflow: hidden;
}

.layer-deep.network { border-color: #1a5fb4; }
.layer-deep.filesystem { border-color: #76b900; }
.layer-deep.process { border-color: #f57c00; }
.layer-deep.gateway { border-color: #7b1fa2; }
.layer-deep.inference { border-color: #c2185b; }

.layer-header {
  padding: 1rem 1.5rem;
  color: white;
  font-size: 1.3rem;
  font-weight: bold;
}

.layer-deep.network .layer-header { background: #1a5fb4; }
.layer-deep.filesystem .layer-header { background: #76b900; }
.layer-deep.process .layer-header { background: #f57c00; }
.layer-deep.gateway .layer-header { background: #7b1fa2; }
.layer-deep.inference .layer-header { background: #c2185b; }

.layer-content {
  padding: 1.5rem;
}

.upstream-downstream {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  margin: 1rem 0;
  padding: 1rem;
  background: #f5f5f5;
  border-radius: 8px;
}

.upstream-downstream .arrow {
  font-size: 2rem;
  color: #666;
}

.tech-detail {
  background: #fff3e0;
  border-left: 4px solid #f57c00;
  padding: 1rem;
  margin: 1rem 0;
}

.tech-detail h5 {
  margin: 0 0 0.5rem 0;
  color: #e65100;
}

/* ============================================
   Decision & Info Boxes (Lessons 11, 12)
   ============================================ */
.decision-box {
  background: #f0f9ff;
  border-left: 4px solid #0ea5e9;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

.warning-box {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

.info-box {
  background: #dbeafe;
  border-left: 4px solid #3b82f6;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

.success-box {
  background: #dcfce7;
  border-left: 4px solid #16a34a;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

.architecture-section {
  background: #f8fafc;
  border-left: 4px solid #3b82f6;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

/* ============================================
   Option Cards & Badges (Lesson 12)
   ============================================ */
.option-card {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  background: var(--code-bg);
}

.option-card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.option-card .badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-cloud { background: #dbeafe; color: #1e40af; }
.badge-self { background: #dcfce7; color: #166534; }
.badge-hybrid { background: #fef3c7; color: #92400e; }

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

/* ============================================
   Feature Tables (Lessons 11, 12)
   ============================================ */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.feature-table th,
.feature-table td {
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.feature-table th {
  background: var(--code-bg);
}

.feature-table .yes { color: #16a34a; font-weight: bold; }
.feature-table .no { color: #dc2626; }
.feature-table .partial { color: #d97706; }
.feature-table .diy { color: #7c3aed; font-style: italic; }

/* ============================================
   Related References/Lessons Links
   ============================================ */
.related-references,
.related-lessons {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  padding: 1rem 1.5rem;
  margin: 2rem 0;
}

.related-references h4,
.related-lessons h4 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #0369a1;
  font-size: 1rem;
}

.related-references ul,
.related-lessons ul {
  margin: 0;
  padding-left: 1.25rem;
}

.related-references li,
.related-lessons li {
  margin-bottom: 0.25rem;
}

.related-references a,
.related-lessons a {
  color: #0284c7;
  text-decoration: none;
}

.related-references a:hover,
.related-lessons a:hover {
  text-decoration: underline;
}