/**
 * Sharpee Website Stylesheet
 * Dark mode default with champagne gold accent, light/dark toggle.
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1117;
  --bg-sidebar: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #f2d280;
  --accent-hover: #f5dda0;
  --heading: #f0e6d3;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --max-width: 960px;
}

[data-theme="light"] {
  --bg: #faf9f7;
  --bg-sidebar: #f0eeeb;
  --border: #d4d0cc;
  --text: #2a2520;
  --text-muted: #555;
  --accent: #3b82c4;
  --accent-hover: #2d6da3;
  --heading: #1a1a1a;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Layout ── */
.page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
}

/* ── Content ── */
.content {
  padding: 3rem 2.5rem;
  min-width: 0;
  overflow-wrap: break-word;
}

.content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--heading);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--heading);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.content p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.content ul, .content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--text-muted);
}

.content li {
  margin-bottom: 0.4rem;
}

.content code {
  font-family: "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: 0.85em;
  background: var(--bg-sidebar);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.content pre {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  overflow-x: auto;
  font-family: "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}

.content pre code {
  background: none;
  border: none;
  padding: 0;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.content th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--border);
  color: var(--heading);
  font-weight: 600;
}

.content td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.cta {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 6px;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  transition: background 0.15s;
}

.cta:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

/* ── Sidebar ── */
.sidebar {
  padding: 3rem 1.25rem;
  border-left: 1px solid var(--border);
  background: var(--bg-sidebar);
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.sidebar nav {
  flex: 1;
}

.sidebar a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}

.sidebar a:hover {
  color: var(--accent);
}

.sidebar a.active {
  color: var(--accent);
  font-weight: 700;
}

.sidebar hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.6rem 0;
  opacity: 0.5;
}

/* ── Theme toggle ── */
.theme-toggle {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.theme-toggle button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-sans);
  width: 100%;
  transition: color 0.15s, border-color 0.15s;
}

.theme-toggle button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Footer ── */
.footer {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding: 1.25rem 2.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

/* ── SVG illustrations ── */
.illustration {
  margin: 1.5rem 0;
  text-align: center;
}

.illustration svg {
  max-width: 100%;
  height: auto;
}

/* ── Three-column layout (Family Zoo) ── */
.page-three-col {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 200px;
  grid-template-rows: 1fr auto;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
}

.page-three-col .footer {
  grid-column: 1 / -1;
}

.step-tabs {
  padding: 3rem 0.5rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.step-tab {
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.step-tab:hover {
  color: var(--accent);
  border-color: var(--border);
}

.step-tab.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

.step-section {
  display: none;
}

/* ── Step navigation ── */
.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.step-nav a {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .page {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0 1rem;
  }

  .sidebar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0 1rem;
  }

  .sidebar hr { display: none; }

  .theme-toggle {
    margin-top: 0.5rem;
    padding-top: 0;
    border-top: none;
    width: 100%;
  }

  .content {
    padding: 2rem 1.25rem;
  }

  .footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    padding: 1.25rem;
  }

  .page-three-col {
    grid-template-columns: 1fr;
  }

  .step-tabs {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    flex-wrap: wrap;
    padding: 1rem 0.75rem;
    gap: 4px;
  }
}

/* ── News items ── */
.news-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.news-item:last-child {
  border-bottom: none;
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.news-title {
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 0.4rem;
}