/**
 * Core Styles
 * Base styling, CSS variables, theme management
 */

:root {
  --primary: #00f5a0;
  --primary-dark: #00cc7f;
  --primary-light: #33ffaa;

  --bg-dark: #0a0c10;
  --bg-card: #111827;
  --bg-elevated: #1a1f2e;

  --text-primary: #e8edf5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --border: #1f2937;
  --border-light: #374151;

  --severity-critical: #ff4444;
  --severity-high: #ff8800;
  --severity-medium: #ffbb00;
  --severity-low: #00ff88;

  --transition: all 0.3s ease;
}

body.light {
  --bg-dark: #f3f4f6;
  --bg-card: #ffffff;
  --bg-elevated: #e5e7eb;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --border: #d1d5db;
  --border-light: #e5e7eb;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  overflow-x: hidden;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 1.5rem 0 1rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 1.5rem 0 1rem;
  color: var(--primary);
  border-left: 3px solid var(--primary);
  padding-left: 1rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1rem 0 0.5rem;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0.75rem 0 0.25rem;
}

p {
  margin: 0.75rem 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

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

code {
  font-family: 'Courier New', Courier, monospace;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary);
  font-size: 0.9em;
}

pre {
  overflow-x: auto;
}

/* Lists */
ul, ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

li {
  margin: 0.5rem 0;
}

/* Container */
.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(10, 12, 16, 0.95);
}

.nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.theme-toggle {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 40px;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-card);
  color: var(--primary);
}

.mobile-menu {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
  padding: 2rem 0;
}

.page-header {
  padding: 3rem 0 2rem;
}

.breadcrumb {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--primary);
}

.severity-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 40px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.meta-item {
  padding: 0.5rem;
}

.meta-item strong {
  display: block;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.meta-item span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Content Sections */
.content-section {
  margin: 2rem 0;
}

.content-section h2 {
  margin-bottom: 1rem;
}

/* Code Blocks */
.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.2rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--primary);
  position: relative;
}

.code-block code {
  background: none;
  padding: 0;
  color: inherit;
}

.code-block pre {
  margin: 0;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.75rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.copy-btn:hover {
  color: var(--primary);
  background: var(--bg-card);
}

/* Payload Grid */
.payload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 0.8rem;
  margin: 1rem 0;
}

.payload-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.8rem;
  font-family: monospace;
  font-size: 0.75rem;
  word-break: break-all;
  overflow-x: auto;
  position: relative;
  transition: var(--transition);
}

.payload-item:hover {
  border-color: var(--primary);
  background: var(--bg-card);
}

/* Highlighted Boxes */
.vulnerability-box {
  background: rgba(255, 68, 68, 0.1);
  border-left: 4px solid #ff4444;
  padding: 1rem;
  border-radius: 0.5rem;
  margin: 1rem 0;
}

.mitigation-box {
  background: rgba(0, 245, 160, 0.1);
  border-left: 4px solid var(--primary);
  padding: 1rem;
  border-radius: 0.5rem;
  margin: 1rem 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8rem;
  background: var(--bg-card);
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  color: var(--primary);
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

th {
  background: var(--bg-elevated);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  border: 1px solid var(--border);
}

td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
}

/* Utility Classes */
.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-muted);
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.p-1 {
  padding: 0.5rem;
}

.p-2 {
  padding: 1rem;
}

.p-3 {
  padding: 1.5rem;
}