:root {
  --bg: #0b1220;
  --panel: #111827;
  --panel-2: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #1e3a8a; /* blue-900 */
  --accent-2: #2563eb; /* blue-600 */
  --ok: #16a34a;
  --warn: #f59e0b;
  --danger: #ef4444;
}

/* Light theme overrides */
body.light {
  --bg: #f7fafc;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #111827;
  --muted: #6b7280;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji"; }
html { scroll-behavior: smooth; }

.container { max-width: 980px; margin: 0 auto; padding: 0 16px; }

.app-header { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: white; padding: 28px 0; box-shadow: 0 2px 16px rgba(0,0,0,0.2); }
.app-header .title { margin: 0; font-size: 28px; letter-spacing: 0.2px; }
.app-header .subtitle { margin: 6px 0 0; opacity: 0.9; }
.current-section { margin-top: 6px; font-size: 13px; opacity: 0.9; }

.theme-toggle { position: absolute; right: 16px; top: 16px; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.28); color: #fff; border-radius: 999px; padding: 6px 10px; font-size: 12px; cursor: pointer; backdrop-filter: blur(4px); }
.theme-toggle .mode { display: none; }
body.light .theme-toggle { background: rgba(0,0,0,0.06); color: #0b1220; border-color: rgba(0,0,0,0.15); }
body:not(.light) .theme-toggle .dark { display: inline; }
body.light .theme-toggle .light { display: inline; }

.controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; margin-top: 12px; align-items: center; }
.control-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.action-btn { border: 1px solid rgba(255,255,255,0.25); background: transparent; color: #fff; border-radius: 8px; padding: 8px 10px; cursor: pointer; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
body.light .action-btn { border-color: rgba(0,0,0,0.15); color: #0b1220; }
.action-btn:hover { background: rgba(255,255,255,0.08); }
body.light .action-btn:hover { background: rgba(0,0,0,0.05); }
.mobile-toc { width: 100%; border-radius: 10px; border: 1px solid rgba(255,255,255,0.25); padding: 10px 12px; background: rgba(255,255,255,0.12); color: #fff; }
body.light .mobile-toc { background: rgba(0,0,0,0.04); color: #0b1220; border-color: rgba(0,0,0,0.15); }

.app-footer { padding: 24px 0; color: var(--muted); border-top: 1px solid rgba(255,255,255,0.06); margin-top: 28px; }

.report { display: grid; gap: 16px; padding: 18px 0 28px; }

.layout { display: grid; grid-template-columns: 260px 1fr; gap: 18px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .sidebar { position: static; } }

.sidebar { position: sticky; top: 12px; background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 16px; max-height: calc(100vh - 32px); overflow: auto; }
body.light .sidebar { border-color: rgba(0,0,0,0.08); }
.sidebar-title { margin: 0 0 10px; font-size: 16px; color: #cfe4ff; }
body.light .sidebar-title { color: #1e3a8a; }
.sidebar nav a { display: block; padding: 6px 8px; margin: 2px 0; border-radius: 8px; color: var(--text); text-decoration: none; font-size: 14px; border: 1px solid transparent; }
.sidebar nav a:hover { background: rgba(255,255,255,0.06); }
.sidebar nav a.active { background: rgba(37, 99, 235, 0.12); border-color: rgba(37, 99, 235, 0.32); }
body.light .sidebar nav a:hover { background: rgba(0,0,0,0.04); }
body.light .sidebar nav a.active { background: rgba(37, 99, 235, 0.10); border-color: rgba(37, 99, 235, 0.25); }

/* Collapsible outline */
.sidebar details { margin: 4px 0; }
.sidebar details > summary { list-style: none; cursor: pointer; padding: 6px 8px; border-radius: 8px; }
.sidebar details > summary:hover { background: rgba(255,255,255,0.06); }
body.light .sidebar details > summary:hover { background: rgba(0,0,0,0.04); }
.sidebar details[open] > summary { background: rgba(37, 99, 235, 0.12); }
body.light .sidebar details[open] > summary { background: rgba(37, 99, 235, 0.10); }
.sidebar details ul { margin: 6px 0 8px 10px; padding: 0; }
.sidebar details ul li { list-style: none; }
.sidebar details ul a { font-size: 13px; padding: 4px 8px; display: block; color: var(--muted); }
.sidebar details ul a:hover { color: var(--text); }

.card { background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 18px 20px; box-shadow: 0 6px 18px rgba(0,0,0,0.25); }
.card.collapsed > :not(h2) { display: none; }
.card h2, .card h3 { margin-top: 0; color: #cfe4ff; }
.card h2 { scroll-margin-top: 90px; }
/* Temporary outline styling */
.card.temp-outline { border-color: rgba(245, 158, 11, 0.45); }
.card.temp-outline h2 { color: #fde68a; }
.temp-note { color: #fbbf24; font-size: 13px; margin: 6px 0 8px; opacity: 0.95; }
body.light .card.temp-outline { border-color: rgba(245, 158, 11, 0.55); }
body.light .card.temp-outline h2 { color: #b45309; }
body.light .temp-note { color: #b45309; }
body.light .card { border-color: rgba(0,0,0,0.08); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }
body.light .card h2, body.light .card h3 { color: #1e3a8a; }

p, li { line-height: 1.55; }
ul { margin: 8px 0 8px 22px; padding: 0; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; margin: 0 6px 6px 0; border: 1px solid rgba(255,255,255,0.12); }
.pill.framework { background: rgba(37, 99, 235, 0.15); color: #cfe4ff; }
.pill.regulation { background: rgba(34, 197, 94, 0.15); color: #d1fae5; }
.pill.risk { background: rgba(245, 158, 11, 0.15); color: #fde68a; }
.pill::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: currentColor; opacity: 0.9; }
.pill.framework { color: #9cc3ff; }
.pill.regulation { color: #86efac; }
.pill.risk { color: #fde68a; }

.kbd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); padding: 2px 6px; border-radius: 6px; }

code { background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 4px; }
pre { background: rgba(255,255,255,0.06); padding: 12px; border-radius: 8px; overflow: auto; }
body.light pre, body.light code { background: rgba(0,0,0,0.05); }



.chips { margin-top: 6px; }

/* Links */
a { color: #93c5fd; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Anchor links for headings */
.anchor-link { opacity: 0.0; margin-left: 8px; font-size: 0.85em; color: #93c5fd; text-decoration: none; }
.card h2:hover .anchor-link, .card h3:hover .anchor-link { opacity: 1; }

/* Copy link button */
.copy-link { margin-left: 8px; font-size: 12px; border: 1px solid rgba(255,255,255,0.25); background: transparent; color: #93c5fd; border-radius: 6px; padding: 2px 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
body.light .copy-link { border-color: rgba(0,0,0,0.2); color: #1e3a8a; }
.copy-link:hover { background: rgba(147,197,253,0.15); }
.collapse-toggle { margin-left: 8px; font-size: 12px; border: 1px solid rgba(255,255,255,0.25); background: transparent; color: #cfe4ff; border-radius: 6px; padding: 2px 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
body.light .collapse-toggle { border-color: rgba(0,0,0,0.2); color: #1e3a8a; }
.collapse-toggle:hover { background: rgba(255,255,255,0.08); }
.focus-toggle { margin-left: 6px; font-size: 12px; border: 1px solid rgba(255,255,255,0.25); background: transparent; color: #cfe4ff; border-radius: 6px; padding: 2px 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
body.light .focus-toggle { border-color: rgba(0,0,0,0.2); color: #1e3a8a; }
.focus-toggle:hover { background: rgba(255,255,255,0.08); }

/* Mobile top bar */
.topbar { display: none; position: sticky; top: 0; z-index: 5; background: linear-gradient(90deg, var(--panel), var(--panel-2)); border-bottom: 1px solid rgba(255,255,255,0.06); }
.topbar .topbar-scroll { display: flex; gap: 8px; overflow-x: auto; padding: 10px 0; }
.topbar .chip { white-space: nowrap; padding: 6px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.12); color: var(--text); text-decoration: none; font-size: 13px; }
.topbar .chip.active { background: rgba(37, 99, 235, 0.18); border-color: rgba(37, 99, 235, 0.3); }
@media (max-width: 900px) { .topbar { display: block; } .sidebar { display: none; } }

/* Back to top */
.back-to-top { position: fixed; right: 16px; bottom: 16px; width: 42px; height: 42px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.18); background: linear-gradient(180deg, var(--panel), var(--panel-2)); color: var(--text); display: grid; place-items: center; cursor: pointer; box-shadow: 0 6px 18px rgba(0,0,0,0.25); opacity: 0; pointer-events: none; transition: opacity 180ms ease, transform 180ms ease; }
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-2px); }
body.light .back-to-top { border-color: rgba(0,0,0,0.12); }

/* Copy button inline icon */
.copy-link { display: inline-flex; align-items: center; gap: 6px; }
.copy-link svg { display: inline-block; }

/* Subtle fade-in for pills */
.pill { animation: pillIn 300ms ease both; }
@keyframes pillIn { from { transform: translateY(2px); opacity: 0 } to { transform: translateY(0); opacity: 1 } }

/* Mark highlight */
mark { background: rgba(250, 204, 21, 0.35); padding: 0 2px; border-radius: 3px; }
body.light mark { background: rgba(250, 204, 21, 0.5); }

/* Progress bar */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--accent-2), #38bdf8); z-index: 1000; box-shadow: 0 1px 6px rgba(0,0,0,0.3); }

/* Print styles */
@media print {
  body { background: #fff; color: #000; }
  .app-header, .sidebar, .topbar, .controls, .app-footer, .back-to-top, .theme-toggle, .progress { display: none !important; }
  .card, .content { background: #fff; border: none; box-shadow: none; }
}

/* Focus mode */
body.focus-mode .card { transition: opacity 160ms ease, filter 160ms ease; }
body.focus-mode .card:not(.focused) { opacity: 0.22; filter: blur(1px); pointer-events: none; }

/* Floating prev/next */
.nav-fab { position: fixed; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; color: var(--text); background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid rgba(255,255,255,0.18); box-shadow: 0 6px 18px rgba(0,0,0,0.25); cursor: pointer; }
body.light .nav-fab { border-color: rgba(0,0,0,0.12); }
.nav-fab.left { left: 12px; }
.nav-fab.right { right: 12px; }
.nav-fab:hover { transform: translateY(-50%) scale(1.04); }

/* Chip icons */
.chip .chip-icon { opacity: 0.85; margin-right: 6px; font-size: 12px; }
.chip svg.icon { margin-right: 6px; }