/* ============================================
   EntraThis - M365 Penetration Testing Guide
   Modern Dark Theme Stylesheet
   ============================================ */

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2035;
  --bg-card-hover: #1f2847;
  --bg-code: #0d1117;
  --border: #2a3454;
  --border-active: #3b82f6;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --accent-pink: #ec4899;
  --glow-blue: rgba(59, 130, 246, 0.15);
  --glow-cyan: rgba(6, 182, 212, 0.15);
  --glow-purple: rgba(139, 92, 246, 0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background grid effect */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  overflow-x: auto;
  max-width: 70%;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.1);
}

.nav-links a.active {
  color: var(--accent-blue);
  background: var(--glow-blue);
}

.nav-phase-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--border);
  font-size: 0.7rem;
  font-weight: 700;
}

.nav-links a.active .nav-phase-num {
  background: var(--accent-blue);
  color: #fff;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.2rem;
}

@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    max-width: 100%;
  }
  .nav-links.open { display: flex; }
}

/* ---- Main Content ---- */
main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 2rem 4rem;
}

/* ---- Page Header ---- */
.page-header {
  margin-bottom: 3rem;
}

.page-header .phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header .subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.7;
}

/* ---- Phase Colors ---- */
.phase-recon { --phase-color: var(--accent-cyan); --phase-glow: var(--glow-cyan); }
.phase-initial { --phase-color: var(--accent-blue); --phase-glow: var(--glow-blue); }
.phase-creds { --phase-color: var(--accent-purple); --phase-glow: var(--glow-purple); }
.phase-enum { --phase-color: var(--accent-green); --phase-glow: rgba(16, 185, 129, 0.15); }
.phase-privesc { --phase-color: var(--accent-orange); --phase-glow: rgba(245, 158, 11, 0.15); }
.phase-lateral { --phase-color: var(--accent-pink); --phase-glow: rgba(236, 72, 153, 0.15); }
.phase-exfil { --phase-color: var(--accent-red); --phase-glow: rgba(239, 68, 68, 0.15); }
.phase-persist { --phase-color: #a855f7; --phase-glow: rgba(168, 85, 247, 0.15); }
.phase-defence { --phase-color: var(--accent-green); --phase-glow: rgba(16, 185, 129, 0.15); }

.phase-badge {
  background: var(--phase-glow);
  color: var(--phase-color);
  border: 1px solid color-mix(in srgb, var(--phase-color) 30%, transparent);
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover {
  border-color: color-mix(in srgb, var(--phase-color, var(--accent-blue)) 40%, var(--border));
  box-shadow: 0 0 30px color-mix(in srgb, var(--phase-color, var(--accent-blue)) 8%, transparent);
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card h3 .card-icon {
  font-size: 1.3rem;
}

.card p, .card li {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---- Steps / Accordion ---- */
.step-group {
  margin-bottom: 2rem;
}

.step-group h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}

.step.open {
  border-color: color-mix(in srgb, var(--phase-color, var(--accent-blue)) 50%, var(--border));
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.5rem;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.step-header:hover {
  background: var(--bg-card-hover);
}

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}

.step.open .step-number {
  background: var(--phase-color, var(--accent-blue));
  color: #fff;
}

.step-title {
  flex: 1;
  font-weight: 600;
  font-size: 1rem;
}

.step-chevron {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.step.open .step-chevron {
  transform: rotate(180deg);
}

.step-body {
  display: none;
  padding: 0 1.5rem 1.5rem;
  animation: fadeIn 0.3s ease;
}

.step.open .step-body {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Code Blocks ---- */
.code-block {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 1rem 0;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.code-header .lang-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: var(--transition);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.copy-btn.copied {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.code-block pre {
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.code-block pre code {
  font-family: inherit;
}

/* Syntax highlighting */
.code-block .cmd { color: var(--accent-cyan); }
.code-block .flag { color: var(--accent-purple); }
.code-block .string { color: var(--accent-green); }
.code-block .comment { color: var(--text-muted); font-style: italic; }
.code-block .output { color: var(--text-muted); }
.code-block .param { color: var(--accent-orange); }

/* ---- Tool Tags ---- */
.tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.2);
  margin: 0.15rem;
}

.tool-tag.python { background: rgba(245, 158, 11, 0.1); color: var(--accent-orange); border-color: rgba(245, 158, 11, 0.2); }
.tool-tag.powershell { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); border-color: rgba(139, 92, 246, 0.2); }
.tool-tag.bash { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); border-color: rgba(16, 185, 129, 0.2); }
.tool-tag.web { background: rgba(236, 72, 153, 0.1); color: var(--accent-pink); border-color: rgba(236, 72, 153, 0.2); }

/* ---- Warning / Info Boxes ---- */
.callout {
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.callout-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.callout.warning {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--accent-orange);
}

.callout.danger {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--accent-red);
}

.callout.info {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--accent-blue);
}

.callout.success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent-green);
}

.callout.defence {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--accent-cyan);
}

/* ---- Checklist ---- */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.checklist li:last-child { border-bottom: none; }

.checklist input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 0.15rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.checklist input[type="checkbox"]:checked {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.checklist input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.checklist label {
  cursor: pointer;
  transition: var(--transition);
}

.checklist input[type="checkbox"]:checked + label {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* ---- Tables ---- */
.table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* ---- Progress Tracker ---- */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 999px;
  transition: width 0.5s ease;
}

/* ---- Phase Cards Grid (Landing Page) ---- */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}

.phase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--phase-color);
  opacity: 0;
  transition: var(--transition);
}

.phase-card:hover {
  border-color: color-mix(in srgb, var(--phase-color) 50%, var(--border));
  transform: translateY(-2px);
  box-shadow: 0 8px 30px color-mix(in srgb, var(--phase-color) 10%, transparent);
}

.phase-card:hover::before {
  opacity: 1;
}

.phase-card .card-num {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  background: var(--phase-glow);
  color: var(--phase-color);
  border: 1px solid color-mix(in srgb, var(--phase-color) 25%, transparent);
}

.phase-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.phase-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}

.phase-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.phase-card .arrow {
  color: var(--phase-color);
  font-size: 1rem;
  transition: var(--transition);
}

.phase-card:hover .arrow {
  transform: translateX(4px);
}

/* ---- Defence Table Highlight ---- */
.defence-matrix .severity-critical { color: var(--accent-red); font-weight: 700; }
.defence-matrix .severity-high { color: var(--accent-orange); font-weight: 600; }
.defence-matrix .severity-medium { color: var(--accent-orange); }
.defence-matrix .severity-low { color: var(--accent-green); }

/* ---- Page Navigation (Prev/Next) ---- */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.page-nav a {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  min-width: 200px;
}

.page-nav a:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px var(--glow-blue);
}

.page-nav a .label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-nav a .title {
  font-weight: 600;
}

.page-nav a.next { text-align: right; margin-left: auto; }

/* ---- Footer ---- */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ---- Utilities ---- */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex-wrap { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }

/* ---- Landing Hero ---- */
.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.hero .tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-disclaimer {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  color: var(--accent-red);
  margin-bottom: 2rem;
}

/* ---- Animations ---- */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: slideUp 0.5s ease forwards;
  opacity: 0;
}

.animate-in:nth-child(1) { animation-delay: 0.05s; }
.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.15s; }
.animate-in:nth-child(4) { animation-delay: 0.2s; }
.animate-in:nth-child(5) { animation-delay: 0.25s; }
.animate-in:nth-child(6) { animation-delay: 0.3s; }
.animate-in:nth-child(7) { animation-delay: 0.35s; }
.animate-in:nth-child(8) { animation-delay: 0.4s; }
.animate-in:nth-child(9) { animation-delay: 0.45s; }

@media (max-width: 640px) {
  main { padding: 80px 1rem 2rem; }
  .hero h1 { font-size: 2rem; }
  .page-header h1 { font-size: 1.75rem; }
  .phase-grid { grid-template-columns: 1fr; }
  .page-nav { flex-direction: column; }
  .page-nav a.next { text-align: left; }
}