/*
  Gems: Building an Intellectual Map
  Instructional Site Stylesheet

  Design blends plate-blog and class-notes patterns.
  Ink, cream, and sepia tones for a bookish, academic feel.
*/

/* CSS Variables */
:root {
  --deep-ink: #2C3E50;
  --ink-medium: #4A6785;
  --warm-cream: #F5F0E6;
  --aged-paper: #EDE4D3;
  --sepia-brown: #8B5A2B;
  --near-black: #333333;
  --muted-teal: #17A2B8;
  --info-bg: #D1ECF1;
  --warning-bg: #FFF3CD;
  --warning-border: #D4A574;
  --success-bg: #D4EDDA;
  --success-border: #28A745;
}

/* Reset and base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'EB Garamond', Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--near-black);
  background: #FDFBF7;
  min-height: 100vh;
}

/* Container */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2em;
}

/* Header */
header {
  background: var(--deep-ink);
  color: var(--warm-cream);
  padding: 1.5em 2em;
  border-bottom: 4px solid var(--sepia-brown);
  margin-bottom: 2em;
}

header .container {
  padding: 0;
  max-width: 800px;
  margin: 0 auto;
}

header .site-label {
  font-size: 0.9em;
  opacity: 0.9;
  margin-bottom: 0.25em;
}

header h1 {
  font-size: 2em;
  font-weight: normal;
  margin: 0;
}

header h1 a {
  color: var(--warm-cream);
  text-decoration: none;
}

header h1 a:hover {
  opacity: 0.9;
}

/* Navigation in header */
header nav {
  margin-top: 1em;
  padding-top: 1em;
  border-top: 1px solid rgba(255,255,255,0.2);
}

header nav a {
  color: var(--warm-cream);
  text-decoration: none;
  margin-right: 1.5em;
  font-size: 0.95em;
  opacity: 0.9;
}

header nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

header nav a.current {
  opacity: 1;
  font-weight: 600;
}

/* Slogan Banner */
.slogan-banner {
  background: var(--aged-paper);
  border-left: 4px solid var(--sepia-brown);
  padding: 1.25em 1.5em;
  margin-bottom: 2em;
  font-size: 1.1em;
  font-style: italic;
  color: var(--deep-ink);
}

.slogan-banner .main-slogan {
  font-weight: 600;
  font-style: normal;
  display: block;
  margin-bottom: 0.5em;
}

.slogan-banner .subtext {
  font-size: 0.9em;
  opacity: 0.85;
}

/* Links */
a {
  color: var(--muted-teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Main content */
main {
  padding-bottom: 2em;
}

/* Page title */
.page-title {
  color: var(--deep-ink);
  font-size: 1.75em;
  font-weight: normal;
  border-bottom: 2px solid var(--sepia-brown);
  padding-bottom: 0.3em;
  margin-bottom: 1.5em;
}

/* Lead paragraph */
.lead {
  font-size: 1.15em;
  color: var(--ink-medium);
  margin-bottom: 1.5em;
}

/* Section headings */
h2 {
  font-size: 1.4em;
  color: var(--deep-ink);
  margin-top: 2em;
  margin-bottom: 0.8em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--aged-paper);
}

h3 {
  font-size: 1.15em;
  color: var(--ink-medium);
  margin-top: 1.5em;
  margin-bottom: 0.6em;
}

/* Paragraphs */
p {
  margin-bottom: 1.2em;
}

/* Lists */
ul, ol {
  margin-left: 1.5em;
  margin-bottom: 1.2em;
}

li {
  margin-bottom: 0.5em;
}

/* Step cards - numbered instruction items */
.step-card {
  background: var(--warm-cream);
  border: 1px solid #D4C5B0;
  border-radius: 8px;
  padding: 1.5em;
  margin-bottom: 1.5em;
}

.step-card .step-number {
  display: inline-block;
  background: var(--deep-ink);
  color: var(--warm-cream);
  width: 2em;
  height: 2em;
  line-height: 2em;
  text-align: center;
  border-radius: 50%;
  margin-right: 0.75em;
  font-size: 0.9em;
}

.step-card .step-title {
  font-size: 1.15em;
  font-weight: 600;
  color: var(--deep-ink);
}

.step-card .step-content {
  margin-top: 1em;
  padding-top: 1em;
  border-top: 1px solid #D4C5B0;
}

.step-card .step-content p:last-child {
  margin-bottom: 0;
}

/* Callout boxes */
.callout {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  border-radius: 0 8px 8px 0;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout.info {
  background: var(--info-bg);
  border-left: 4px solid var(--muted-teal);
}

.callout.warning {
  background: var(--warning-bg);
  border-left: 4px solid var(--warning-border);
}

.callout.success {
  background: var(--success-bg);
  border-left: 4px solid var(--success-border);
}

.callout.insight {
  background: var(--aged-paper);
  border-left: 4px solid var(--sepia-brown);
}

/* Blockquotes */
blockquote {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  background: var(--aged-paper);
  border-left: 3px solid var(--sepia-brown);
  font-style: italic;
}

blockquote cite {
  display: block;
  margin-top: 0.75em;
  font-style: normal;
  font-size: 0.85em;
  color: #555;
}

/* Code blocks - for prompts and templates */
pre, .prompt-box {
  background: var(--warm-cream);
  border: 1px solid #D4C5B0;
  border-radius: 6px;
  padding: 1em 1.25em;
  margin: 1em 0;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
}

code {
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  background: var(--aged-paper);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* Dark prompt box for Gem instruction sets */
.prompt-box-dark {
  background: #1E1E1E;
  color: #D4D4D4;
  border: none;
  border-radius: 8px;
  padding: 1.5em;
  margin: 1.5em 0;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* Copy button for prompt boxes */
.prompt-box-wrapper {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 0.5em;
  right: 0.5em;
  background: var(--deep-ink);
  color: var(--warm-cream);
  border: none;
  padding: 0.4em 0.8em;
  border-radius: 4px;
  font-size: 0.8em;
  cursor: pointer;
}

.copy-btn:hover {
  background: var(--ink-medium);
}

/* Decision tree / tool chooser */
.decision-box {
  background: var(--warm-cream);
  border: 2px solid var(--ink-medium);
  border-radius: 8px;
  padding: 1.5em;
  margin: 1.5em 0;
}

.decision-box h3 {
  margin-top: 0;
  color: var(--deep-ink);
}

.decision-box ul {
  margin-bottom: 0;
}

/* Tool comparison table */
.tool-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.tool-table th,
.tool-table td {
  padding: 0.75em 1em;
  text-align: left;
  border-bottom: 1px solid var(--aged-paper);
}

.tool-table th {
  background: var(--deep-ink);
  color: var(--warm-cream);
  font-weight: 600;
}

.tool-table tr:nth-child(even) {
  background: var(--warm-cream);
}

/* Checklist */
.checklist {
  list-style: none;
  margin-left: 0;
}

.checklist li {
  padding-left: 1.75em;
  position: relative;
  margin-bottom: 0.75em;
}

.checklist li::before {
  content: "\2610";
  position: absolute;
  left: 0;
  color: var(--ink-medium);
}

/* Example post excerpt */
.post-excerpt {
  background: #fff;
  border: 1px solid var(--aged-paper);
  border-radius: 8px;
  padding: 1.5em;
  margin: 1.5em 0;
}

.post-excerpt .excerpt-meta {
  font-size: 0.85em;
  color: var(--ink-medium);
  margin-bottom: 1em;
  padding-bottom: 0.75em;
  border-bottom: 1px solid var(--aged-paper);
}

.post-excerpt .excerpt-meta strong {
  color: var(--deep-ink);
}

/* Glossary terms */
.glossary-term {
  margin-bottom: 1.5em;
  padding-bottom: 1.5em;
  border-bottom: 1px solid var(--aged-paper);
}

.glossary-term:last-child {
  border-bottom: none;
}

.glossary-term dt {
  font-weight: 600;
  color: var(--deep-ink);
  font-size: 1.1em;
  margin-bottom: 0.3em;
}

.glossary-term dd {
  color: var(--near-black);
}

/* Side-by-side cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5em;
  margin: 1.5em 0;
}

.card {
  background: var(--warm-cream);
  border: 1px solid #D4C5B0;
  padding: 1.25em;
  border-radius: 8px;
}

.card h3 {
  margin: 0 0 0.75em 0;
  color: var(--deep-ink);
}

.card ul {
  margin: 0;
  padding-left: 1.25em;
  line-height: 1.8;
}

.card p:last-child {
  margin-bottom: 0;
}

/* Prompt samples */
.prompt-sample {
  background: var(--warm-cream);
  border: 1px solid #D4C5B0;
  padding: 1.25em;
  border-radius: 8px;
  margin: 1.5em 0;
}

.prompt-sample p {
  font-style: italic;
  color: #555;
}

.prompt-sample p:last-child {
  margin-bottom: 0;
}

/* Test prompt boxes */
.test-prompt {
  background: var(--warm-cream);
  border: 1px solid #EDE4D3;
  padding: 0.75em 1.5em;
  margin: 0.75em 0;
  border-radius: 4px;
}

.test-prompt p {
  margin: 0;
}

/* Gem name display */
.gem-name {
  background: var(--warm-cream);
  border: 1px solid #EDE4D3;
  padding: 1em 1.5em;
  margin: 1em 0;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

/* Divider */
.divider {
  height: 2px;
  background: linear-gradient(to right, transparent, var(--sepia-brown), transparent);
  margin: 2em 0;
}

/* Page navigation */
.page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3em;
  padding-top: 2em;
  border-top: 2px solid var(--aged-paper);
}

.page-nav a {
  display: inline-block;
  background: var(--warm-cream);
  color: var(--deep-ink);
  padding: 0.75em 1.25em;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.95em;
  border: 1px solid #D4C5B0;
  transition: background 0.2s;
}

.page-nav a:hover {
  background: var(--aged-paper);
  text-decoration: none;
}

.page-nav .prev::before {
  content: "\2190 ";
}

.page-nav .next::after {
  content: " \2192";
}

/* Bottom site navigation */
.site-nav-bottom {
  margin-top: 3em;
  padding-top: 2em;
  border-top: 1px solid var(--aged-paper);
}

.site-nav-bottom h3 {
  color: var(--ink-medium);
  font-size: 1em;
  margin-bottom: 1em;
  font-weight: normal;
}

.site-nav-bottom ul {
  list-style: none;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75em;
}

.site-nav-bottom a {
  display: inline-block;
  background: var(--warm-cream);
  color: var(--deep-ink);
  padding: 0.5em 1em;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9em;
  border: 1px solid #D4C5B0;
}

.site-nav-bottom a:hover {
  background: var(--aged-paper);
}

.site-nav-bottom a.current {
  background: var(--deep-ink);
  color: var(--warm-cream);
  border-color: var(--deep-ink);
}

/* Footer */
footer {
  margin-top: 3em;
  padding: 1.5em 2em;
  background: var(--aged-paper);
  text-align: center;
  color: var(--ink-medium);
  font-size: 0.9em;
}

footer a {
  color: var(--muted-teal);
}

/* Responsive */
@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 1.5em;
  }

  header {
    padding: 1em 1.5em;
  }

  header h1 {
    font-size: 1.5em;
  }

  .page-nav {
    flex-direction: column;
    gap: 1em;
  }

  .page-nav a {
    width: 100%;
    text-align: center;
  }

  .tool-table {
    font-size: 0.9em;
  }

  .tool-table th,
  .tool-table td {
    padding: 0.5em;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}