:root {
  --bg: #0A1F1F;
  --accent: #50E3C2;
  --text: #F8F9FA;
  --link: #2BAF95;
  --border-light: rgba(255, 255, 255, 0.1);
  --border-sidebar: rgba(255, 255, 255, 0.15);
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
  padding: 0;
  /* Add padding-top to prevent content behind fixed topbar */
  padding-top: 50px;
  min-height: 100vh;
}

header {
  margin-bottom: 3rem;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 1rem;
}

h1 {
  color: var(--accent);
  font-size: 2.5rem;
}

.tagline {
  font-size: 1rem;
  opacity: 0.8;
  margin-top: 0.5rem;
  color: var(--text);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Articles general styling */
article {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1rem;
}

h2 {
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

a {
  color: var(--link);
  text-decoration: none;
  font-weight: bold;
}

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

footer {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.9rem;
  opacity: 0.6;
  padding-bottom: 2rem;
}

/* Fixed top navigation bar */
.topbar {
  height: 50px;
  background-color: #061616;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-weight: 600;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.topbar a {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.topbar a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.nav-links a {
  margin-right: 2rem;
}

.nav-links a:last-child {
  margin-right: 0;
}

.site-name {
  color: var(--accent);
  font-size: 1.1rem;
  user-select: none;
}

/* Layout for news page */
.news-container {
  display: flex;
  gap: 2rem;
  padding: 2rem 0 4rem; /* top/bottom spacing, no left/right (done by main) */
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* Sidebar */
.sidebar {
  flex: 0 0 250px;
  border-right: 1px solid var(--border-sidebar);
  padding-right: 1rem;
  box-sizing: border-box;
  background-color: #0f2a2a; /* slightly lighter for contrast */
  border-radius: 6px;
  position: sticky;
  top: 60px; /* below fixed topbar */
  height: calc(100vh - 70px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.article-nav ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0;
}

.article-nav li {
  margin-bottom: 0.75em;
  padding-left: 0.25em;
}

.article-nav a {
  color: var(--link);
  font-weight: 500;
  line-height: 1.4;
  display: inline-block;
}

.article-nav a:hover {
  text-decoration: underline;
}

.article-date {
  color: #888;
  font-weight: normal;
  font-size: 0.9em;
  margin-left: 0.25em;
}

/* Content area */
.news-content {
  flex: 1;
  min-width: 0;
  display: block;
  color: var(--text);
}

.news-content article {
  display: block;
  margin-bottom: 2rem;
  width: 100%;
}

/* Scrollbar styling for sidebar (optional) */
.sidebar::-webkit-scrollbar {
  width: 8px;
}

.sidebar::-webkit-scrollbar-track {
  background: #0A1F1F;
}

.sidebar::-webkit-scrollbar-thumb {
  background-color: var(--accent);
  border-radius: 4px;
}

/* Responsive: stack sidebar above content on smaller screens */
@media (max-width: 720px) {
  .news-container {
    flex-direction: column;
  }
  .sidebar {
    position: relative;
    top: auto;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-sidebar);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0;
  }
}

/* Load More button styling */
.load-more {
  text-align: center;
  margin: 2rem 0;
}

.load-more button {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.load-more button:hover {
  background: #3bbca6;
}

@media (max-width: 480px) {
  body, main, header, .news-content {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}