/* CleverBuy GitHub Pages Styles */

:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --text-color: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --border-color: #e5e7eb;
  --success-color: #10b981;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navigation Bar */
header.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 0.75rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.navbar-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.navbar-brand:hover {
  opacity: 0.9;
}

.navbar-links {
  display: flex;
  gap: 1.5rem;
}

.navbar-links a {
  color: white;
  text-decoration: none;
  font-size: 0.9rem;
  transition: opacity 0.3s ease;
}

.navbar-links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Main Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  padding: 3rem 0;
  flex: 1;
}

/* Headings */
h1 {
  font-size: 2rem;
  margin: 2rem 0 1rem 0;
  color: var(--text-color);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.5rem;
  margin: 1.5rem 0 0.75rem 0;
  color: var(--text-color);
}

h3 {
  font-size: 1.25rem;
  margin: 1rem 0 0.5rem 0;
  color: var(--text-color);
}

/* Paragraphs and Text */
p {
  margin-bottom: 1rem;
  color: var(--text-color);
  line-height: 1.8;
}

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

em {
  font-style: italic;
  color: var(--text-light);
}

/* Lists */
ul, ol {
  margin: 1rem 0 1rem 2rem;
  line-height: 1.8;
}

li {
  margin-bottom: 0.5rem;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Horizontal Rule */
hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

/* Code Blocks */
code {
  background: var(--bg-light);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
}

pre {
  background: var(--bg-light);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1rem 0;
  border-left: 4px solid var(--primary-color);
}

pre code {
  background: none;
  padding: 0;
}

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--text-light);
  font-style: italic;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th {
  background: var(--bg-light);
  padding: 0.75rem;
  text-align: left;
  border-bottom: 2px solid var(--border-color);
  font-weight: 600;
}

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

tbody tr:hover {
  background: var(--bg-light);
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn.secondary {
  background: var(--bg-light);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn.secondary:hover {
  background: var(--border-color);
}

/* Cards */
.card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
}

.card h3 {
  margin-top: 0;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.25rem;
  }
  
  .navbar-brand {
    font-size: 1rem;
  }
  
  .navbar-icon {
    width: 28px;
    height: 28px;
  }
  
  .navbar-links {
    gap: 1rem;
    font-size: 0.85rem;
  }
  
  main {
    padding: 2rem 0;
  }
  
  table {
    font-size: 0.9rem;
  }
}

/* Print Styles */
@media print {
  header.navbar {
    background: none;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
  }
  
  a {
    color: var(--primary-color);
  }
}