/* =========================================
   CompTIA SecurityX - Premium Style System
   ========================================= */

:root {
  /* Color Palette - Modern Dark Theme */
  --bg-color: #0f172a;        /* Slate 900 */
  --surface-color: #1e293b;   /* Slate 800 */
  --text-primary: #f8fafc;    /* Slate 50 */
  --text-secondary: #cbd5e1;  /* Slate 300 (AAA Contrast) */
  
  /* Accents */
  --accent-cyan: #06b6d4;     /* Cyan 500 */
  --accent-cyan-glow: rgba(6, 182, 212, 0.2);
  --accent-purple: #a78bfa;   /* Violet 400 (Improved Contrast) */
  
  /* Callout Colors */
  --case-study-bg: rgba(6, 182, 212, 0.1);
  --case-study-border: #22d3ee; /* Cyan 400 */
  
  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-border: #fbbf24;  /* Amber 400 (Improved Contrast) */
  
  --keypoint-bg: rgba(16, 185, 129, 0.1);
  --keypoint-border: #34d399; /* Emerald 400 (Improved Contrast) */

  --thought-bg: rgba(139, 92, 246, 0.1);
  --thought-border: #a78bfa;  /* Violet 400 (Improved Contrast) */

  --example-bg: rgba(96, 165, 250, 0.1);
  --example-border: #60a5fa;  /* Blue 400 */

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, monospace;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 1.125rem;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* Typography elements */
h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.3;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
  background: linear-gradient(to right, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.75rem;
  border-bottom: 1px solid var(--surface-color);
  padding-bottom: 0.5rem;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--accent-cyan-glow);
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

ul, ol {
  margin: 1.2rem 0 1.6rem 1.5rem;
  padding-left: 1.1rem;
}

li {
  color: var(--text-secondary);
  margin-bottom: 0.55rem;
}

li strong,
li b {
  color: var(--text-primary);
}

strong, b {
  color: var(--text-primary);
  font-weight: 600;
}

/* Code and Preformatted text */
code {
  font-family: var(--font-mono);
  background-color: var(--surface-color);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent-cyan);
}

pre {
  background-color: var(--surface-color);
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-primary);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--surface-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

th {
  background-color: rgba(255, 255, 255, 0.05);
  font-weight: 600;
  color: var(--text-primary);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 2rem 0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--surface-color);
}

figcaption {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: -1rem;
  margin-bottom: 2rem;
  font-style: italic;
}

/* =========================================
   Custom Callout Boxes (Glassmorphism)
   ========================================= */
blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: 8px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-left: 4px solid var(--text-secondary);
  background-color: var(--surface-color);
}

/* We will use Python to inject these classes into blockquotes based on their content */
.callout-case-study {
  background-color: var(--case-study-bg);
  border-left-color: var(--case-study-border);
}

.callout-warning {
  background-color: var(--warning-bg);
  border-left-color: var(--warning-border);
}

.callout-key-point {
  background-color: var(--keypoint-bg);
  border-left-color: var(--keypoint-border);
}

.callout-thought {
  background-color: var(--thought-bg);
  border-left-color: var(--thought-border);
}

.callout-example {
  background-color: var(--example-bg);
  border-left-color: var(--example-border);
}

blockquote p:first-child {
  margin-top: 0;
}

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

blockquote ul,
blockquote ol {
  margin-top: 0.8rem;
  margin-bottom: 0.8rem;
}

.callout-title {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.1em;
}

.callout-case-study .callout-title { color: var(--accent-cyan); }
.callout-warning .callout-title { color: var(--warning-border); }
.callout-key-point .callout-title { color: var(--keypoint-border); }
.callout-thought .callout-title { color: var(--thought-border); }
.callout-example .callout-title { color: var(--example-border); }

/* Navigation / Header */
header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--surface-color);
  margin-bottom: 3rem;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  background: none;
  -webkit-text-fill-color: var(--text-primary);
}

.back-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.back-link::before {
  content: "←";
  margin-right: 0.5rem;
}