/* ── SONAN DIGITAL Documentation Portal ── */
:root {
  --navy: #1B3A6B;
  --navy-dark: #132B52;
  --navy-light: #2A5298;
  --red: #C8102E;
  --red-hover: #A50D26;
  --gray: #64748B;
  --gray-light: #94A3B8;
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-sidebar: #1B3A6B;
  --border: #E2E8F0;
  --text: #1E293B;
  --text-muted: #64748B;
  --green: #16A34A;
  --amber: #D97706;
  --blue-tag: #1D4ED8;
  --resolved: #DCFCE7;
  --resolved-text: #166534;
  --exists: #FEE2E2;
  --exists-text: #991B1B;
  --partial: #FEF3C7;
  --partial-text: #92400E;
  --sidebar-w: 260px;
  --header-h: 60px;
}
[data-theme="dark"] {
  --bg: #0F172A;
  --bg-card: #1E293B;
  --border: #334155;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --bg-sidebar: #0D1F3C;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── TOP HEADER ── */
.top-header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h);
  background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.top-header .brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.top-header .brand-logo { display: flex; flex-direction: column; line-height: 1.1; }
.top-header .brand-name { font-size: 1.05rem; font-weight: 800; color: #fff; letter-spacing: 0.04em; }
.top-header .brand-sub { font-size: 0.65rem; color: rgba(255,255,255,0.65); letter-spacing: 0.08em; text-transform: uppercase; }
.top-header .badge {
  background: var(--red); color: #fff; font-size: 0.65rem; font-weight: 700;
  padding: 0.2rem 0.55rem; border-radius: 20px; letter-spacing: 0.05em;
}
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.theme-toggle {
  background: rgba(255,255,255,0.12); border: none; color: #fff;
  width: 36px; height: 36px; border-radius: 8px; cursor: pointer;
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.theme-toggle:hover { background: rgba(255,255,255,0.22); }
.hamburger {
  display: none; background: none; border: none; color: #fff;
  font-size: 1.5rem; cursor: pointer; padding: 0.25rem;
}

/* ── SIDEBAR ── */
.sidebar {
  position: fixed; top: var(--header-h); left: 0; bottom: 0;
  width: var(--sidebar-w); background: var(--bg-sidebar);
  overflow-y: auto; z-index: 90;
  padding: 1.25rem 0 2rem; transition: transform 0.25s ease;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

.nav-section { margin-bottom: 0.25rem; }
.nav-section-title {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.45);
  padding: 0.75rem 1.25rem 0.3rem;
}
.nav-link {
  display: block; padding: 0.55rem 1.25rem 0.55rem 1.5rem;
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: 0.82rem; border-left: 3px solid transparent;
  transition: all 0.15s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); border-left-color: rgba(255,255,255,0.3); }
.nav-link.active { color: #fff; background: rgba(255,255,255,0.12); border-left-color: var(--red); font-weight: 600; }
.nav-link .nav-badge {
  float: right; background: var(--red); color: #fff;
  font-size: 0.6rem; padding: 0.1rem 0.4rem; border-radius: 10px; font-weight: 700;
}

/* ── MAIN CONTENT ── */
.main-wrap { margin-left: var(--sidebar-w); padding-top: var(--header-h); min-height: 100vh; }
.main-content { max-width: 900px; margin: 0 auto; padding: 2.5rem 2rem 4rem; }

/* ── BREADCRUMB ── */
.breadcrumb { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--navy-light); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
[data-theme="dark"] .breadcrumb a { color: #60A5FA; }
.breadcrumb span { color: var(--text-muted); }

/* ── PAGE HEADER ── */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff; padding: 2rem 2rem 1.75rem; border-radius: 12px;
  margin-bottom: 2rem; position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; top: -30px; right: -30px;
  width: 160px; height: 160px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.page-header .phase-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.6); margin-bottom: 0.5rem;
}
.page-header h1 { font-size: 1.75rem; font-weight: 800; line-height: 1.2; }
.page-header .page-meta { font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-top: 0.75rem; }

/* ── SECTION HEADINGS ── */
.content-section { margin-bottom: 2.5rem; }
h2 {
  font-size: 1.2rem; font-weight: 700; color: var(--navy);
  margin: 2rem 0 0.75rem; padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--border);
}
[data-theme="dark"] h2 { color: #93C5FD; border-bottom-color: #334155; }
h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin: 1.25rem 0 0.5rem; }
p { margin-bottom: 0.75rem; color: var(--text); }

/* ── CARDS ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.25rem 1.5rem; margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.card-title { font-weight: 700; font-size: 0.95rem; color: var(--navy); margin-bottom: 0.75rem; }
[data-theme="dark"] .card-title { color: #93C5FD; }

/* ── FINDING CARDS ── */
.finding-card {
  border-left: 4px solid var(--navy);
  background: var(--bg-card); border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem; margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.finding-card.critical { border-left-color: var(--red); }
.finding-card.high { border-left-color: #D97706; }
.finding-card.medium { border-left-color: #2563EB; }
.finding-card h3 { margin: 0 0 0.5rem; font-size: 0.95rem; }
.finding-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.6rem; }
.tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem; border-radius: 20px; text-transform: uppercase;
}
.tag-critical { background: #FEE2E2; color: #991B1B; }
.tag-high { background: #FEF3C7; color: #92400E; }
.tag-medium { background: #DBEAFE; color: #1E40AF; }
.tag-resolved { background: var(--resolved); color: var(--resolved-text); }
.tag-pending { background: #F1F5F9; color: #475569; }
.tag-fix { background: #F0FDF4; color: #166534; }

/* ── LABEL-VALUE PAIRS ── */
.lv { display: grid; grid-template-columns: 180px 1fr; gap: 0.25rem 1rem; margin-bottom: 0.35rem; align-items: baseline; }
.lv-label { font-size: 0.8rem; font-weight: 700; color: var(--navy); }
[data-theme="dark"] .lv-label { color: #93C5FD; }
.lv-value { font-size: 0.85rem; color: var(--text); }
.lv-block { margin-bottom: 1rem; }

/* ── CODE BLOCKS ── */
pre, code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.82rem;
}
pre {
  background: #0F172A; color: #E2E8F0; padding: 1rem 1.25rem;
  border-radius: 8px; overflow-x: auto; margin: 0.75rem 0;
  border-left: 3px solid var(--navy-light);
}
[data-theme="dark"] pre { background: #020617; border-left-color: #60A5FA; }
code { background: rgba(27, 58, 107, 0.08); color: var(--navy); padding: 0.15rem 0.4rem; border-radius: 4px; }
[data-theme="dark"] code { background: rgba(96, 165, 250, 0.12); color: #93C5FD; }

/* ── TABLES ── */
.data-table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.82rem; }
.data-table th {
  background: var(--navy); color: #fff; padding: 0.65rem 0.85rem;
  text-align: left; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em;
}
.data-table td { padding: 0.55rem 0.85rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table tr:nth-child(even) td { background: rgba(241,245,249,0.5); }
[data-theme="dark"] .data-table tr:nth-child(even) td { background: rgba(30,41,59,0.5); }
.data-table tr:hover td { background: rgba(27,58,107,0.05); }
.data-table-wrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); margin: 1rem 0; }

/* ── ALERTS ── */
.alert {
  padding: 1rem 1.25rem; border-radius: 8px; margin-bottom: 1.25rem;
  display: flex; gap: 0.75rem; align-items: flex-start;
}
.alert-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 0.1rem; }
.alert-body { flex: 1; }
.alert-title { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.2rem; }
.alert-text { font-size: 0.85rem; }
.alert-success { background: var(--resolved); border-left: 4px solid var(--green); }
.alert-success .alert-title { color: var(--resolved-text); }
.alert-warning { background: var(--partial); border-left: 4px solid var(--amber); }
.alert-warning .alert-title { color: var(--partial-text); }
.alert-danger { background: var(--exists); border-left: 4px solid var(--red); }
.alert-danger .alert-title { color: var(--exists-text); }
.alert-info { background: #EFF6FF; border-left: 4px solid #3B82F6; }
.alert-info .alert-title { color: #1E40AF; }

/* ── CHECKLIST ── */
.checklist { list-style: none; padding: 0; }
.checklist li {
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.88rem;
}
.checklist li:last-child { border-bottom: none; }
.checklist .check-box {
  width: 18px; height: 18px; border: 2px solid var(--border); border-radius: 4px;
  flex-shrink: 0; margin-top: 0.05rem;
}
.checklist li.done .check-box { background: var(--green); border-color: var(--green); }

/* ── BULLETS ── */
ul.doc-list { padding-left: 1.5rem; margin-bottom: 0.75rem; }
ul.doc-list li { margin-bottom: 0.35rem; font-size: 0.88rem; }
ol.doc-list { padding-left: 1.5rem; margin-bottom: 0.75rem; }
ol.doc-list li { margin-bottom: 0.35rem; font-size: 0.88rem; }

/* ── SCORE GRID ── */
.score-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 1.25rem 0; }
.score-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 1rem; text-align: center;
}
.score-card .score-num { font-size: 2rem; font-weight: 800; line-height: 1; }
.score-card .score-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.score-card.green { border-top: 3px solid var(--green); }
.score-card.green .score-num { color: var(--green); }
.score-card.amber { border-top: 3px solid var(--amber); }
.score-card.amber .score-num { color: var(--amber); }
.score-card.red { border-top: 3px solid var(--red); }
.score-card.red .score-num { color: var(--red); }
.score-card.navy { border-top: 3px solid var(--navy); }
.score-card.navy .score-num { color: var(--navy); }

/* ── TOC (index page) ── */
.toc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.toc-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.25rem; text-decoration: none; color: inherit; transition: all 0.2s;
  display: block;
}
.toc-card:hover {
  border-color: var(--navy-light); box-shadow: 0 4px 12px rgba(27,58,107,0.12);
  transform: translateY(-2px);
}
.toc-card .phase-num { font-size: 0.68rem; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.4rem; }
.toc-card .phase-title { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 0.3rem; }
[data-theme="dark"] .toc-card .phase-title { color: #93C5FD; }
.toc-card .phase-desc { font-size: 0.78rem; color: var(--text-muted); }

/* ── PAGINATION NAV ── */
.page-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border);
  gap: 1rem;
}
.page-nav a {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.1rem; border-radius: 8px;
  border: 1px solid var(--border); text-decoration: none;
  font-size: 0.82rem; font-weight: 600; color: var(--navy); transition: all 0.2s;
  background: var(--bg-card);
}
[data-theme="dark"] .page-nav a { color: #93C5FD; }
.page-nav a:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.page-nav .pn-label { font-size: 0.68rem; color: var(--text-muted); display: block; font-weight: 400; }
.page-nav .prev { margin-right: auto; }
.page-nav .next { margin-left: auto; }

/* ── FOOTER ── */
.main-footer {
  text-align: center; color: var(--text-muted); font-size: 0.75rem;
  padding: 1.5rem; border-top: 1px solid var(--border);
  background: var(--bg-card);
}

/* ── PRINT ── */
@media print {
  .sidebar, .top-header, .hamburger, .theme-toggle, .page-nav { display: none !important; }
  .main-wrap { margin-left: 0; padding-top: 0; }
  .main-content { max-width: 100%; padding: 1rem; }
  .page-header { background: var(--navy) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .data-table th { background: var(--navy) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  pre { font-size: 0.7rem; }
  h2 { page-break-after: avoid; }
  .card, .finding-card { page-break-inside: avoid; }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-260px); width: 260px; }
  .sidebar.open { transform: translateX(0); width: 260px; --sidebar-w: 260px; }
  .main-wrap { margin-left: 0; }
  .hamburger { display: flex; }
  .toc-grid { grid-template-columns: 1fr; }
  .score-grid { grid-template-columns: 1fr 1fr; }
  .lv { grid-template-columns: 1fr; }
}

/* ── Markdown prose content ── */
.md-content h1 { font-size:1.6rem; font-weight:800; color:var(--navy); margin:1.5rem 0 0.75rem; border-bottom:2px solid var(--border); padding-bottom:0.4rem; }
.md-content h2 { font-size:1.2rem; font-weight:700; color:var(--navy); margin:2rem 0 0.75rem; border-bottom:1px solid var(--border); padding-bottom:0.3rem; }
.md-content h3 { font-size:1rem; font-weight:700; color:var(--text); margin:1.25rem 0 0.5rem; }
.md-content h4 { font-size:0.9rem; font-weight:700; color:var(--gray); margin:1rem 0 0.4rem; text-transform:uppercase; letter-spacing:0.06em; }
[data-theme="dark"] .md-content h1, [data-theme="dark"] .md-content h2 { color:#93C5FD; }
.md-content p { margin-bottom:0.75rem; font-size:0.9rem; line-height:1.7; }
.md-content ul, .md-content ol { padding-left:1.75rem; margin-bottom:0.75rem; }
.md-content li { margin-bottom:0.3rem; font-size:0.88rem; line-height:1.6; }
.md-content ul li { list-style-type: disc; }
.md-content ol li { list-style-type: decimal; }
.md-content li > ul, .md-content li > ol { margin-top:0.3rem; margin-bottom:0.2rem; }
.md-content hr { border:none; border-top:1px solid var(--border); margin:2rem 0; }
.md-content strong { font-weight:700; color:var(--text); }
.md-content em { font-style:italic; color:var(--gray); }
.md-content blockquote { border-left:4px solid var(--navy-light); padding:0.5rem 1rem; margin:1rem 0; background:rgba(27,58,107,0.05); border-radius:0 6px 6px 0; }
[data-theme="dark"] .md-content blockquote { background:rgba(96,165,250,0.08); }
.md-content code { font-family:'JetBrains Mono','Fira Code',monospace; font-size:0.8rem; background:rgba(27,58,107,0.08); color:var(--navy); padding:0.15rem 0.4rem; border-radius:4px; }
[data-theme="dark"] .md-content code { background:rgba(96,165,250,0.12); color:#93C5FD; }
.md-content pre { background:#0F172A; color:#E2E8F0; padding:1rem 1.25rem; border-radius:8px; overflow-x:auto; margin:0.75rem 0; border-left:3px solid var(--navy-light); position:relative; }
[data-theme="dark"] .md-content pre { background:#020617; }
.md-content pre code { background:none; color:inherit; padding:0; font-size:0.82rem; }
.md-content table { width:100%; border-collapse:collapse; margin:1rem 0; font-size:0.82rem; }
.md-content table th { background:var(--navy); color:#fff; padding:0.6rem 0.85rem; text-align:left; font-size:0.75rem; font-weight:700; }
.md-content table td { padding:0.5rem 0.85rem; border-bottom:1px solid var(--border); vertical-align:top; }
.md-content table tr:nth-child(even) td { background:rgba(241,245,249,0.5); }
[data-theme="dark"] .md-content table tr:nth-child(even) td { background:rgba(30,41,59,0.5); }
.md-content input[type="checkbox"] { margin-right:0.5rem; accent-color:var(--navy); }
/* Copy button on code blocks */
.copy-btn { position:absolute; top:0.5rem; right:0.5rem; background:rgba(255,255,255,0.12); border:none; color:#E2E8F0; font-size:0.7rem; padding:0.25rem 0.6rem; border-radius:4px; cursor:pointer; transition:background 0.2s; }
.copy-btn:hover { background:rgba(255,255,255,0.25); }
/* Admonition alerts from MD converter */
.md-content .alert { margin:1rem 0; }
.md-content .alert p { margin:0; font-size:0.85rem; }
.md-content .alert ul { margin:0.25rem 0 0; }