/* Tessallite Help Documentation — Shared Stylesheet
   Design tokens sourced from tessallite.io/css/brand.css and style.css
   Fonts: Inter + JetBrains Mono via Google Fonts CDN */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── Design tokens ──────────────────────────────────────── */
:root {
  --color-primary:      #006C35;
  --color-primary-dark: #00562A;
  --color-gold:         #D4AF37;
  --color-charcoal:     #333333;
  --color-mint:         #F2F7F4;
  --color-white:        #FFFFFF;
  --color-border:       #CBD5E1;
  --color-code-bg:      #1E1E1E;
  --color-code-text:    #E8F5E9;
  --color-muted:        #6B7280;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-card:  14px;
  --radius-badge: 10px;
  --shadow-card:  0 4px 16px rgba(0, 0, 0, 0.06);
  --max-width:    900px;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

/* ─── Base ───────────────────────────────────────────────── */
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-charcoal);
  background: var(--color-mint);
  -webkit-font-smoothing: antialiased;
}

/* ─── Site header ─────────────────────────────────────────── */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.logo:hover { color: var(--color-primary-dark); }

.breadcrumb { font-size: 0.875rem; color: var(--color-muted); }

.breadcrumb a { color: var(--color-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ─── Layout ─────────────────────────────────────────────── */
.article {
  max-width: var(--max-width);
  margin: 40px auto;
  padding: 48px 56px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

@media (max-width: 992px) {
  .article { margin: 24px 16px; padding: 32px 24px; }
}

@media (max-width: 600px) {
  .article {
    margin: 0;
    border-radius: 0;
    padding: 24px 16px;
    border-left: none;
    border-right: none;
  }
}

/* ─── Article meta ───────────────────────────────────────── */
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.audience-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: var(--radius-badge);
  background: var(--color-primary);
  color: var(--color-white);
}

.updated { font-size: 0.8125rem; color: var(--color-muted); }

/* ─── Typography ─────────────────────────────────────────── */
h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.2;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-mint);
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-top: 28px;
  margin-bottom: 12px;
}

h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-top: 20px;
  margin-bottom: 8px;
}

p { margin-bottom: 16px; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

strong { font-weight: 600; }

/* ─── Lists ──────────────────────────────────────────────── */
ul, ol { margin-bottom: 16px; padding-left: 24px; }
li { margin-bottom: 6px; line-height: 1.6; }

ol li::marker { color: var(--color-primary); font-weight: 600; }

/* ─── Code ───────────────────────────────────────────────── */
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-mint);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 6px;
}

pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-code-bg);
  color: var(--color-code-text);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
  overflow-x: auto;
  line-height: 1.6;
}

pre code {
  background: none;
  border: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

/* ─── Tables ─────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 24px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

thead {
  background: var(--color-primary);
  color: var(--color-white);
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
}

tbody tr:nth-child(even) { background: var(--color-mint); }
tbody tr:hover { background: #EAF3EE; }

tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

tbody tr:last-child td { border-bottom: none; }

/* ─── Callouts ───────────────────────────────────────────── */
.callout-note,
.callout-warning,
.callout-required {
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 20px;
  border-left: 4px solid;
  font-size: 0.9375rem;
}

.callout-note     { background: #EFF7F3; border-color: var(--color-primary); }
.callout-warning  { background: #FDF8E6; border-color: var(--color-gold); }
.callout-required { background: #F5F5F5; border-color: var(--color-charcoal); }

blockquote {
  border-left: 4px solid var(--color-primary);
  background: #EFF7F3;
  border-radius: 0 10px 10px 0;
  padding: 14px 20px;
  margin: 0 0 20px 0;
  font-size: 0.9375rem;
}

/* ─── Images ─────────────────────────────────────────────── */
img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  display: block;
}

img.illustration {
  border: none;
  border-radius: 0;
  margin: 24px auto;
  width: 100%;
  max-width: 800px;
}

img.screencap {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

figure.screencap {
  margin: 24px 0;
  text-align: center;
}

figure.screencap img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

figure.screencap figcaption {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--color-text-muted, #555);
  font-style: italic;
}

/* ─── Related section ────────────────────────────────────── */
.related {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.related h2 {
  font-size: 1rem;
  margin-top: 0;
  margin-bottom: 12px;
  border-bottom: none;
  padding-bottom: 0;
  color: var(--color-charcoal);
}

.related ul { list-style: none; padding-left: 0; }
.related li { margin-bottom: 8px; }
.related li::before { content: none; }

/* ─── Site footer ─────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 32px;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.site-footer a { color: var(--color-primary); }

/* ─── Index page ─────────────────────────────────────────── */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.audience-card {
  background: var(--color-mint);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.audience-card h3 { color: var(--color-primary); margin-top: 0; margin-bottom: 8px; }
.audience-card p  { font-size: 0.9rem; margin: 0; color: #4B5563; }

.section-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.nav-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.nav-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  text-decoration: none;
}

.nav-card h3 { font-size: 1rem; color: var(--color-primary); margin: 0 0 6px 0; }
.nav-card p  { font-size: 0.875rem; color: var(--color-muted); margin: 0; }

/* ─── Page navigation (prev / home / next) ───────────────── */
.page-nav {
  max-width: var(--max-width);
  margin: 0 auto 40px auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius-badge);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-primary);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
  cursor: pointer;
}

.page-nav-btn:hover {
  border-color: var(--color-primary);
  background: #EFF7F3;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.page-nav-btn.home {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.page-nav-btn.home:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.page-nav-btn.disabled {
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 600px) {
  .page-nav { flex-wrap: wrap; justify-content: center; }
  .page-nav-btn.disabled { display: none; }
}

/* ─── Stub / coming-soon pages ───────────────────────────── */
.stub-notice {
  border-radius: 10px;
  padding: 20px 24px;
  background: var(--color-mint);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gold);
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.stub-notice strong { display: block; margin-bottom: 6px; color: var(--color-charcoal); }
.stub-notice p      { margin: 0; color: var(--color-muted); }

/* ─── Index article list — coming-soon items ─────────────── */
li.not-written > a {
  color: var(--color-muted);
}

li.not-written::after {
  content: " — pending";
  font-size: 0.8em;
  color: var(--color-border);
}