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

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --orange: #f97316;
  --purple: #a855f7;
  --green: #10b981;
  --blue: #3b82f6;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #f9fafb;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

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

/* Card Styles */
.card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-icon {
  font-size: 1.5rem;
}

/* Color Themes */
.card-orange {
  border-left: 4px solid var(--orange);
}

.card-orange .card-title {
  color: var(--orange);
}

.card-purple {
  border-left: 4px solid var(--purple);
}

.card-purple .card-title {
  color: var(--purple);
}

.card-green {
  border-left: 4px solid var(--green);
}

.card-green .card-title {
  color: var(--green);
}

.card-blue {
  border-left: 4px solid var(--blue);
}

.card-blue .card-title {
  color: var(--blue);
}

/* Landing Page Styles */
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: white;
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.features {
  padding: 4rem 2rem;
  background: var(--bg-primary);
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
  font-weight: 700;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

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

/* Dashboard Styles */
.dashboard {
  min-height: 100vh;
  background: var(--bg-primary);
  padding: 2rem 0;
}

.dashboard-header {
  margin-bottom: 2rem;
}

.dashboard-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

.api-section {
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.api-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.api-card {
  background: var(--bg-white);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform 0.3s, box-shadow 0.3s;
}

.api-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.api-method {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.method-get {
  background: #dbeafe;
  color: #1e40af;
}

.method-post {
  background: #dcfce7;
  color: #166534;
}

.method-put {
  background: #fef3c7;
  color: #92400e;
}

.method-delete {
  background: #fee2e2;
  color: #991b1b;
}

.api-endpoint {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.api-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.api-details {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.api-detail-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.api-detail-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.api-detail-value {
  color: var(--text-primary);
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-protected {
  background: #fee2e2;
  color: #991b1b;
}

.badge-public {
  background: #dcfce7;
  color: #166534;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--bg-white);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  cursor: default;
  user-select: none;
  pointer-events: none;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-card-orange .stat-value {
  color: var(--orange);
}

.stat-card-purple .stat-value {
  color: var(--purple);
}

.stat-card-green .stat-value {
  color: var(--green);
}

.stat-card-blue .stat-value {
  color: var(--blue);
}

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

/* Error Pages */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 2rem;
}

.error-content {
  max-width: 600px;
  text-align: center;
  background: var(--bg-white);
  padding: 3rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
}

.error-code {
  font-size: 6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.error-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.error-message {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.error-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .error-code {
    font-size: 4rem;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .api-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}