/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-sidebar: #111111;
  --bg-hover: #222222;
  --gold: #f5a623;
  --gold-dim: #c4841c;
  --gold-glow: rgba(245, 166, 35, 0.15);
  --text: #e8e8e8;
  --text-muted: #888888;
  --text-dim: #666666;
  --border: #2a2a2a;
  --radius: 10px;
  --sidebar-w: 280px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--gold); text-decoration: none; transition: color 0.2s; }
a:hover { color: #ffc863; }

/* === TOP BAR === */
.top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 60px;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
}
.logo:hover { color: var(--text); }
.logo-icon { font-size: 1.3rem; }
.logo-divider { color: var(--text-dim); font-weight: 300; }
.logo-sub { color: var(--gold); font-weight: 600; }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.2s;
}

/* === LAYOUT === */
.app-wrapper {
  display: flex;
  margin-top: 60px;
  min-height: calc(100vh - 60px);
}

/* === SIDEBAR === */
.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 0 20px 12px;
}
.sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}
.sidebar-link:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.sidebar-link.active {
  color: var(--gold);
  background: var(--gold-glow);
  border-left-color: var(--gold);
}
.sidebar-icon { font-size: 1.1rem; }

.sidebar-cta {
  margin-top: auto;
  padding: 20px;
}
.btn-sidebar-cta {
  display: block;
  text-align: center;
  padding: 10px 16px;
  background: var(--gold);
  color: #000;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.btn-sidebar-cta:hover {
  background: #ffc863;
  color: #000;
}

/* === MAIN CONTENT === */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 50px 60px;
  max-width: 1000px;
  width: 100%;
}

/* Centre content nicely on wide screens */
@media (min-width: 1400px) {
  .main-content {
    padding: 50px 80px;
  }
}

/* Laptop screens */
@media (min-width: 769px) and (max-width: 1200px) {
  .main-content {
    padding: 40px 40px;
    max-width: 100%;
  }
}

/* === HOME PAGE === */
.hero {
  text-align: center;
  padding: 60px 0 50px;
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.gold { color: var(--gold); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

.btn-cta {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gold);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: all 0.2s;
}
.btn-cta:hover {
  background: #ffc863;
  color: #000;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--gold-glow);
}

/* === GUIDE CARDS === */
.guide-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.2s;
  color: var(--text);
}
.guide-card:hover {
  border-color: var(--gold-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  color: var(--text);
}
.card-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}
.guide-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.guide-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* === HOME CTA === */
.home-cta {
  text-align: center;
  padding: 50px 30px;
  margin: 40px 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.home-cta h2 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.home-cta p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 24px;
}

/* === GUIDE CONTENT (Markdown) === */
.guide-content h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.guide-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 36px 0 16px;
  color: var(--gold);
}

.guide-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 28px 0 12px;
}

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

.guide-content ul, .guide-content ol {
  margin: 0 0 20px 24px;
}
.guide-content li {
  margin-bottom: 8px;
  color: var(--text);
}
.guide-content li::marker {
  color: var(--gold);
}

.guide-content strong {
  color: #fff;
  font-weight: 600;
}

.guide-content blockquote {
  border-left: 3px solid var(--gold);
  background: var(--gold-glow);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text);
}

.guide-content code {
  background: var(--bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.guide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.guide-content th {
  background: var(--bg-card);
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--gold);
  border-bottom: 2px solid var(--border);
}
.guide-content td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.guide-content tr:hover td {
  background: var(--bg-hover);
}

/* === GUIDE NAV (prev/next) === */
.guide-nav {
  display: flex;
  justify-content: space-between;
  margin: 48px 0 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.nav-prev, .nav-next {
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-prev:hover, .nav-next:hover {
  border-color: var(--gold-dim);
  color: var(--gold);
}

/* === CTA BOX (bottom of guides) === */
.cta-box {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.08), rgba(245, 166, 35, 0.02));
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-top: 40px;
}
.cta-box h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: #fff;
}
.cta-box p {
  color: var(--text-muted);
  margin-bottom: 20px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

/* === TABLET === */
@media (max-width: 1024px) {
  .guide-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* === MOBILE === */
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 99;
  }
  .sidebar-open .sidebar {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 24px 16px;
  }

  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 1rem; }

  .guide-cards {
    grid-template-columns: 1fr;
  }

  .guide-content h1 { font-size: 1.5rem; }
  .guide-content h2 { font-size: 1.2rem; }

  .guide-nav { flex-direction: column; gap: 12px; }
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }