/* Mozhi Language Documentation - Modern Stylesheet */
/* Designed for GitHub Pages - crossberry-in.github.io/mozhi-lang-docs/ */

:root {
  --primary: #2563EB;
  --primary-dark: #1E40AF;
  --primary-light: #DBEAFE;
  --text: #0F172A;
  --text-muted: #64748B;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --bg-code: #F1F5F9;
  --border: #E2E8F0;
  --border-dark: #CBD5E1;
  --success: #16A34A;
  --warning: #D97706;
  --error: #DC2626;
  --sidebar-width: 280px;
  --content-max: 900px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  --font-serif: Georgia, "Times New Roman", serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Layout ===== */

.wrapper {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  padding: 24px 0;
  z-index: 100;
}

.sidebar-header {
  padding: 0 24px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-version {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.sidebar-nav {
  padding: 0 12px;
}

.sidebar-nav a {
  display: block;
  padding: 8px 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  border-radius: 6px;
  margin-bottom: 2px;
  transition: all 0.15s ease;
}

.sidebar-nav a:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.sidebar-nav a.active {
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.sidebar-section {
  margin-top: 20px;
}

.sidebar-section-title {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* ===== Main Content ===== */

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 48px;
  max-width: var(--content-max);
}

/* ===== Hero / Landing ===== */

.hero {
  text-align: center;
  padding: 60px 20px 40px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 100%);
  border-radius: 12px;
  margin-bottom: 48px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: 20px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.hero .version {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.hero .tagline {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 16px;
}

.hero-cta {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

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

.btn-secondary:hover {
  background: var(--primary-light);
}

/* ===== Feature Grid ===== */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.feature-card {
  padding: 24px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.15s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Headings ===== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.3;
  scroll-margin-top: 80px;
}

h1 {
  font-size: 36px;
  font-weight: 800;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  letter-spacing: -0.02em;
}

h1:first-child {
  margin-top: 0;
}

h2 {
  font-size: 28px;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 22px;
  margin: 32px 0 10px;
}

h4 {
  font-size: 18px;
  margin: 24px 0 8px;
}

/* ===== Paragraphs & Text ===== */

p {
  margin-bottom: 16px;
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

strong {
  font-weight: 700;
  color: var(--text);
}

em {
  font-style: italic;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-code);
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ===== Code Blocks ===== */

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  margin: 16px 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
}

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

/* Syntax highlighting (basic) */
.code-mozhi .keyword { color: #C678DD; font-weight: 600; }
.code-mozhi .string { color: #98C379; }
.code-mozhi .number { color: #D19A66; }
.code-mozhi .comment { color: #7F848E; font-style: italic; }
.code-mozhi .function { color: #61AFEF; }
.code-mozhi .operator { color: #56B6C2; }

/* ===== Tables ===== */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

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

th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 14px;
}

td {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  color: var(--text);
}

tbody tr:nth-child(even) {
  background: var(--bg-alt);
}

tbody tr:hover {
  background: var(--primary-light);
}

/* ===== Lists ===== */

ul, ol {
  margin: 12px 0 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 6px;
  color: var(--text);
}

/* ===== Blockquotes ===== */

blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
  color: var(--text);
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ===== HR ===== */

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ===== Note/Warning boxes ===== */

.note {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
}

.note strong {
  color: var(--primary-dark);
}

.warning {
  background: #FEF3C7;
  border-left: 4px solid var(--warning);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
}

.warning strong {
  color: var(--warning);
}

/* ===== Top Bar (mobile) ===== */

.topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 200;
  align-items: center;
  padding: 0 16px;
}

.topbar-toggle {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
  padding: 8px;
}

.topbar-title {
  font-weight: 700;
  color: var(--primary);
  margin-left: 12px;
}

/* ===== Footer ===== */

.footer {
  margin-top: 64px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

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

/* ===== Responsive ===== */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,0.1);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    margin-left: 0;
    padding: 24px 20px;
    padding-top: 72px;
  }

  .topbar {
    display: flex;
  }

  .hero h1 {
    font-size: 36px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  h3 {
    font-size: 18px;
  }

  pre {
    font-size: 13px;
    padding: 16px;
  }

  table {
    font-size: 13px;
  }

  th, td {
    padding: 8px 12px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 40px 16px 24px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero .subtitle {
    font-size: 16px;
  }

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

  .main {
    padding: 16px;
    padding-top: 72px;
  }
}

/* ===== Search ===== */

.search-box {
  margin: 0 16px 16px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: var(--font-sans);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== Scrollbar styling ===== */

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: var(--bg-alt);
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-dark);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ===== Print ===== */

@media print {
  .sidebar, .topbar, .footer {
    display: none;
  }

  .main {
    margin-left: 0;
    padding: 0;
  }
}