/* Cloudflare Brand Colors */
:root {
  --cf-orange: #f6821f;
  --cf-orange-dark: #e05d00;
  --cf-black: #1d1d1d;
  --cf-gray-dark: #404040;
  --cf-gray: #6e6e6e;
  --cf-gray-light: #d9d9d9;
  --cf-white: #ffffff;
  --cf-red: #e04e39;
  --cf-green: #2ecc71;
  --cf-blue: #0051c3;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--cf-white);
  color: var(--cf-black);
  line-height: 1.6;
}

/* Header */
.header {
  background-color: var(--cf-black);
  color: var(--cf-white);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--cf-white);
}

.logo svg {
  width: 140px;
  height: auto;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--cf-orange);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--cf-white);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--cf-orange);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--cf-black) 0%, var(--cf-gray-dark) 100%);
  color: var(--cf-white);
  padding: 4rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--cf-orange);
}

.hero p {
  font-size: 1.1rem;
  color: var(--cf-gray-light);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Cards Grid */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--cf-white);
  border: 1px solid var(--cf-gray-light);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--cf-black);
}

.card p {
  color: var(--cf-gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--cf-orange);
  color: var(--cf-white);
}

.btn-primary:hover {
  background-color: var(--cf-orange-dark);
}

.btn-secondary {
  background-color: var(--cf-white);
  color: var(--cf-black);
  border: 1px solid var(--cf-gray-light);
}

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

/* Forms */
.form-container {
  max-width: 500px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--cf-white);
  border: 1px solid var(--cf-gray-light);
  border-radius: 8px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--cf-black);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--cf-gray-light);
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cf-orange);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Result Message */
.result {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 4px;
  display: none;
}

.result.show {
  display: block;
}

.result.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.result.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.result.blocked {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
}

/* Search */
.search-container {
  max-width: 600px;
  margin: 2rem auto;
}

.search-box {
  display: flex;
  gap: 0.5rem;
}

.search-box input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--cf-gray-light);
  border-radius: 4px;
  font-size: 1rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--cf-orange);
}

.search-results {
  margin-top: 2rem;
}

.search-result-item {
  padding: 1rem;
  border-bottom: 1px solid var(--cf-gray-light);
}

.search-result-item:last-child {
  border-bottom: none;
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.product-card {
  background: var(--cf-white);
  border: 1px solid var(--cf-gray-light);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.product-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.product-image {
  height: 200px;
  background: linear-gradient(135deg, var(--cf-gray-light), var(--cf-white));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.product-info {
  padding: 1rem;
}

.product-info h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.product-info p {
  font-size: 0.85rem;
  color: var(--cf-gray);
  margin-bottom: 0.5rem;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--cf-orange);
}

/* Page Header */
.page-header {
  background: var(--cf-black);
  color: var(--cf-white);
  padding: 2rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--cf-gray-light);
}

/* Alert Box */
.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.alert-info {
  background-color: #e7f3ff;
  color: var(--cf-blue);
  border: 1px solid #b8daff;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
}

/* Footer */
.footer {
  background-color: var(--cf-black);
  color: var(--cf-gray);
  padding: 2rem;
  text-align: center;
  margin-top: 4rem;
}

.footer a {
  color: var(--cf-orange);
  text-decoration: none;
}

/* Utilities */
.text-center {
  text-align: center;
}

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

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

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--cf-gray-light);
  border-top-color: var(--cf-orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Code/Payload Display */
.payload-display {
  background: var(--cf-black);
  color: #00ff00;
  padding: 1rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  margin: 1rem 0;
}

/* Demo Hints */
.demo-hint {
  background: #fff8e6;
  border-left: 4px solid var(--cf-orange);
  padding: 1rem;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.demo-hint strong {
  color: var(--cf-orange);
}