/* Global Responsive CSS with User Color Palette */
:root {
  --bg-color: #222831;         /* Primary Dark Background */
  --box-bg: #393E46;           /* Box Container Background */
  --border-color: #948979;     /* Warm Taupe Accent & Borders */
  --accent-color: #DFD0B8;     /* Light Cream Text & Accent */
  --accent-hover: #ffffff;     /* Bright Hover */
  --text-primary: #DFD0B8;     /* Primary Text Color */
  --text-secondary: #948979;   /* Secondary Text Color */
  --font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  --box-radius: 16px;
  --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
}

/* Container keeping both boxes perfectly centered */
.page-container {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin: auto;
}

/* Generic Box Style */
.box {
  background-color: var(--box-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--box-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.box:hover {
  border-color: var(--accent-color);
}

/* Top Box specific styling */
.top-box {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.top-box.showcase-box {
  padding: 0;
  height: 280px;
  min-height: 280px;
  background-color: #1a1e24;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.showcase-placeholder {
  color: var(--text-secondary);
  font-size: 1.1rem;
  text-align: center;
  padding: 1rem;
}

/* Bottom Box specific styling */
.bottom-box {
  min-height: 250px;
}

/* Header & Text Space Typography */
h1, h2, h3, h4 {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

h1 { font-size: 2rem; color: var(--accent-color); }
h2 { font-size: 1.5rem; color: var(--accent-color); }
h3 { font-size: 1.2rem; color: var(--text-secondary); }

p {
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-size: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* Links List in Index Bottom Box */
.links-title {
  font-size: 1.25rem;
  color: var(--accent-color);
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.articles-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-link-item {
  display: block;
}

.article-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.article-link:hover {
  background: var(--accent-color);
  color: var(--bg-color);
  transform: translateX(4px);
}

.article-link .arrow {
  font-size: 1.2rem;
}

.no-articles {
  color: var(--text-secondary);
  font-style: italic;
  text-align: center;
  padding: 1rem;
}

/* Article Body Content Styling */
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
  display: block;
  border: 1px solid var(--border-color);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  background-color: var(--bg-color);
  border-radius: 8px;
  overflow: hidden;
}

.article-content th, 
.article-content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--border-color);
}

.article-content th {
  background-color: rgba(148, 137, 121, 0.25);
  color: var(--accent-color);
  font-weight: 600;
}

.article-content tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

.article-content blockquote {
  border-left: 4px solid var(--border-color);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content ul, .article-content ol {
  margin: 1rem 0 1rem 1.5rem;
  color: var(--text-primary);
}

/* Navigation buttons */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.back-btn:hover {
  color: var(--accent-hover);
}

/* Responsive Rules for Small Devices */
@media (max-width: 640px) {
  body {
    padding: 1rem 0.5rem;
  }

  .box {
    padding: 1.25rem;
  }

  .top-box.showcase-box {
    height: 200px;
    min-height: 200px;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}