:root {
  /* Colors */
  --color-bg: #f9f9f9;
  --color-surface: #ffffff;
  --color-text-main: #333333;
  --color-text-muted: #666666;
  --color-primary: #0056b3;
  --color-primary-hover: #004494;
  --color-border: #e0e0e0;
  --color-success: #28a745;
  --color-danger: #dc3545;

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-serif: Georgia, "Times New Roman", Times, serif;

  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* Layout */
  --container-width: 1200px;
  --border-radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* Header & Nav */
.site-header {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm) 0;
  margin-bottom: var(--spacing-lg);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text-main);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
}

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

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--spacing-xl) 1em;
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--spacing-sm);
}

.hero img {
  margin: 0 auto;
}

.hero p {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

.hero.hero-image {
  padding: 0;
  overflow: hidden;
}

.hero.hero-image img {
  width: 100%;
  height: auto;
  margin: 0;
  display: block;
}

/* Cards (Reviews) */
.review-card {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--color-border);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.review-image {
  height: 200px;
  background-color: #ddd; /* Placeholder color */
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.review-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.review-image:hover img {
  transform: scale(1.05);
}

.review-content {
  padding: var(--spacing-md);
}

.review-title {
  font-size: var(--font-size-lg);
  margin: 0 0 var(--spacing-xs);
}

.review-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

/* Product Detail Page */
.product-header {
  margin-bottom: var(--spacing-lg);
}

.product-header h1 {
	line-height: 1.2em;
}

.product-hero-image {
  width: 100%;
  height: auto;
  min-height: 200px;
  background-color: #eee;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-xl);
  overflow: hidden;
}

.product-hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

.product-verdict-box {
  display: flex;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

@media (max-width: 500px) {
  .product-verdict-box {
    flex-direction: column;
  }
}

.verdict-col {
  flex: 1;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
}

.verdict-pros {
  background-color: rgba(40, 167, 69, 0.1);
  border: 1px solid var(--color-success);
}

.verdict-cons {
  background-color: rgba(220, 53, 69, 0.1);
  border: 1px solid var(--color-danger);
}

.verdict-col h3 {
  margin-top: 0;
  font-size: var(--font-size-lg);
}

.verdict-pros h3 { color: var(--color-success); }
.verdict-cons h3 { color: var(--color-danger); }

.verdict-col ul {
  margin: 0;
  padding-left: var(--spacing-md);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-muted);
}

/* Markdown Alerts */
.markdown-alert {
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--color-border);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  background-color: var(--color-surface); /* specific types override this if needed, usually just border color */
  font-size: var(--font-size-base);
}

.markdown-alert-title {
  display: flex;
  align-items: center;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.markdown-alert-title svg {
  margin-right: var(--spacing-xs);
  fill: currentColor;
}

.markdown-alert p:last-child {
  margin-bottom: 0;
}

/* Note */
.markdown-alert-note {
  border-left-color: #0969da;
}
.markdown-alert-note .markdown-alert-title {
  color: #0969da;
}

/* Tip */
.markdown-alert-tip {
  border-left-color: #1a7f37;
}
.markdown-alert-tip .markdown-alert-title {
  color: #1a7f37;
}

/* Important */
.markdown-alert-important {
  border-left-color: #8250df;
}
.markdown-alert-important .markdown-alert-title {
  color: #8250df;
}

/* Warning */
.markdown-alert-warning {
  border-left-color: #9a6700;
}
.markdown-alert-warning .markdown-alert-title {
  color: #9a6700;
}

/* Caution */
.markdown-alert-caution {
  border-left-color: #d1242f;
}
.markdown-alert-caution .markdown-alert-title {
  color: #d1242f;
}

/* clarify AI use for image generation */
.ai-notice {
	font-size: 0.8em;
	color: #999;
	display: block;
	text-align: center;
	margin-top: -1.2em;
	line-height: 1.2em;
}

/* Monetization */
.buy-box {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    transition: background-color 0.2s;
    cursor: pointer;
}

.btn-primary {
    background-color: #ff9900; /* Amazon Orange */
    color: #000;
    border: 1px solid #a88734;
}

.btn-primary:hover {
    background-color: #e68a00;
    text-decoration: none;
    color: #000;
}