/* GRIO Project Documentation — Shared Stylesheet */
/* Matches the index.html design language */

:root {
  --navy: #1a2332;
  --navy-light: #243044;
  --navy-dark: #111827;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-pale: #eff6ff;
  --green: #059669;
  --green-pale: #ecfdf5;
  --purple: #7c3aed;
  --purple-pale: #f5f3ff;
  --orange: #ea580c;
  --orange-pale: #fff7ed;
  --red: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Consolas', monospace;
  --content-max: 860px;
  --sidebar-width: 260px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR NAVIGATION ===== */
nav.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--navy);
  color: white;
  padding: 32px 20px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 2px 0 12px rgba(0,0,0,0.15);
}

nav.sidebar .logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

nav.sidebar .logo a {
  color: white;
  text-decoration: none;
}

nav.sidebar .tagline {
  font-size: 11px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  margin-bottom: 32px;
}

nav.sidebar .nav-group {
  margin-bottom: 24px;
}

nav.sidebar .nav-group-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-400);
  letter-spacing: 0.8px;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

nav.sidebar .nav-link {
  display: block;
  color: #a0aec0;
  text-decoration: none;
  font-size: 13px;
  padding: 5px 8px;
  border-radius: 6px;
  margin-bottom: 2px;
  transition: all 0.15s ease;
}

nav.sidebar .nav-link:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}

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

nav.sidebar .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 12px;
  margin-bottom: 24px;
  padding: 4px 0;
  transition: color 0.15s;
}

nav.sidebar .back-link:hover {
  color: white;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
}

/* Document header / hero */
.doc-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: white;
  padding: 48px 60px 40px;
}

.doc-header .doc-category {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--blue-light);
  margin-bottom: 12px;
}

.doc-header .doc-number {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 4px;
}

.doc-header h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 0 0 12px 0;
  border: none;
  color: white;
  padding: 0;
}

.doc-header .doc-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--gray-400);
  flex-wrap: wrap;
}

.doc-header .doc-meta .badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-dev { background: rgba(5,150,105,0.2); color: #6ee7b7; }
.badge-stakeholder { background: rgba(37,99,235,0.2); color: #93c5fd; }
.badge-gov { background: rgba(124,58,237,0.2); color: #c4b5fd; }

/* ===== ARTICLE BODY ===== */
article {
  max-width: var(--content-max);
  padding: 48px 60px 80px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2em;
  margin-bottom: 0.6em;
}

h1 {
  font-size: 28px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--blue);
  margin-top: 0;
}

h2 {
  font-size: 22px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-200);
}

h3 {
  font-size: 18px;
  color: var(--gray-700);
}

h4 {
  font-size: 16px;
  color: var(--gray-600);
  font-weight: 600;
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

a:hover {
  border-bottom-color: var(--blue);
}

strong {
  font-weight: 700;
  color: var(--gray-900);
}

/* Lists */
ul, ol {
  margin-bottom: 1em;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.4em;
}

li > ul, li > ol {
  margin-top: 0.3em;
  margin-bottom: 0.3em;
}

/* Code */
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--navy);
}

pre {
  background: var(--navy-dark);
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 1.2em 0;
  line-height: 1.5;
  font-size: 13.5px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border: 1px solid rgba(255,255,255,0.05);
}

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

/* Code syntax highlighting overrides for dark background */
pre code .kw, pre .sourceCode .kw { color: #c792ea; }
pre code .dt, pre .sourceCode .dt { color: #82aaff; }
pre code .st, pre .sourceCode .st { color: #c3e88d; }
pre code .co, pre .sourceCode .co { color: #697098; font-style: italic; }
pre code .fu, pre .sourceCode .fu { color: #82aaff; }
pre code .dv, pre .sourceCode .dv { color: #f78c6c; }
pre code .op, pre .sourceCode .op { color: #89ddff; }
pre code .al, pre .sourceCode .al { color: #ff5370; }

code span.al { color: #ff5370; font-weight: bold; }
code span.an { color: #697098; font-style: italic; }
code span.at { color: #ffcb6b; }
code span.bn { color: #f78c6c; }
code span.bu { color: #82aaff; }
code span.cf { color: #c792ea; font-weight: bold; }
code span.ch { color: #c3e88d; }
code span.cn { color: #f78c6c; }
code span.co { color: #697098; font-style: italic; }
code span.cv { color: #697098; font-style: italic; }
code span.do { color: #697098; font-style: italic; }
code span.dt { color: #82aaff; }
code span.dv { color: #f78c6c; }
code span.er { color: #ff5370; }
code span.ex { color: #82aaff; }
code span.fl { color: #f78c6c; }
code span.fu { color: #82aaff; }
code span.im { color: #c792ea; }
code span.in { color: #697098; font-style: italic; }
code span.kw { color: #c792ea; font-weight: bold; }
code span.op { color: #89ddff; }
code span.ot { color: #89ddff; }
code span.pp { color: #c792ea; }
code span.sc { color: #c3e88d; }
code span.ss { color: #c3e88d; }
code span.st { color: #c3e88d; }
code span.va { color: #f07178; }
code span.vs { color: #c3e88d; }
code span.wa { color: #ffcb6b; font-style: italic; }

div.sourceCode {
  background: var(--navy-dark);
  border-radius: 10px;
  margin: 1.2em 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border: 1px solid rgba(255,255,255,0.05);
}

pre.numberSource code > span > a:first-child::before {
  color: #4a5568;
}

pre.numberSource {
  border-left-color: #2d3748;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-size: 14px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

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

th {
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background: var(--gray-50);
}

tbody tr:hover {
  background: var(--blue-pale);
}

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--blue);
  background: var(--blue-pale);
  padding: 16px 20px;
  margin: 1.2em 0;
  border-radius: 0 8px 8px 0;
  color: var(--gray-700);
  font-style: normal;
}

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

blockquote strong {
  color: var(--navy);
}

/* Horizontal rules */
hr {
  border: none;
  height: 2px;
  background: var(--gray-200);
  margin: 2.5em 0;
}

/* ===== FOOTER ===== */
.doc-footer {
  max-width: var(--content-max);
  padding: 24px 60px 40px;
  border-top: 1px solid var(--gray-200);
  color: var(--gray-400);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  nav.sidebar {
    display: none;
  }
  .main-content {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .doc-header {
    padding: 32px 24px;
  }
  .doc-header h1 {
    font-size: 24px;
  }
  article {
    padding: 32px 24px 60px;
  }
  .doc-footer {
    padding: 24px;
    flex-direction: column;
    gap: 8px;
  }
}

/* ===== PRINT ===== */
@media print {
  nav.sidebar { display: none; }
  .main-content { margin-left: 0; }
  .doc-header { background: white; color: black; padding: 20px 0; }
  .doc-header h1 { color: black; }
  .doc-header .doc-category { color: var(--gray-600); }
  article { padding: 0; max-width: none; }
  pre { background: var(--gray-100); color: black; border: 1px solid var(--gray-300); box-shadow: none; }
  a { color: black; border-bottom: none; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.85em; color: var(--gray-500); }
}