@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #121212;
  --bg-nav: #0d0d0d;
  --card: #1e1e1e;
  --card-border: #2a2a2a;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #4CAF50;
  --accent-hover: #45a049;
  --accent-dim: rgba(76, 175, 80, 0.15);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --radius: 8px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Navigation */
.site-nav {
  background-color: var(--bg-nav);
  padding: 0 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--card-border);
}

.site-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 0;
}

.site-nav__logo {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--accent);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.site-nav__logo:hover {
  text-decoration: none;
  color: var(--accent-hover);
}

.site-nav__links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}

.site-nav__links a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.site-nav__links a:hover,
.site-nav__links a.active {
  background: var(--accent-dim);
  color: var(--accent);
  text-decoration: none;
}

.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.site-nav__toggle span {
  display: block;
  height: 3px;
  background-color: var(--accent);
  border-radius: 2px;
  transition: transform 0.2s;
}

@media (max-width: 768px) {
  .site-nav__links {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 10px;
    background-color: var(--card);
    border-radius: var(--radius);
    padding: 8px 0;
    border: 1px solid var(--card-border);
  }

  .site-nav__links a {
    padding: 10px 20px;
    width: 100%;
  }

  .site-nav__links.show {
    display: flex;
  }

  .site-nav__toggle {
    display: flex;
  }
}

/* Main content */
.site-main {
  flex: 1;
  padding: 24px 20px;
}

.container {
  max-width: 1000px;
  margin: 0 auto 24px;
  padding: 28px 32px;
  background-color: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.container:last-child {
  margin-bottom: 0;
}

h1, h2, h3 {
  font-family: var(--font-sans);
  color: var(--accent);
}

h2 {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
  margin-top: 0;
  font-size: 1.4rem;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.5em;
}

section {
  margin-top: 0;
}

section + section {
  margin-top: 40px;
}

p, li {
  font-size: 0.95rem;
}

ul {
  padding-left: 1.4em;
}

ul li {
  margin-bottom: 0.4em;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-top: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

th {
  background-color: var(--bg-nav);
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background-color: rgba(255, 255, 255, 0.03);
}

.check {
  color: var(--accent);
  font-weight: bold;
}

.cross {
  color: #e74c3c;
  font-weight: bold;
}

.ixp-source {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ixp-stale {
  color: #f0ad4e;
}

.ixp-error {
  color: #e74c3c;
}

/* Images */
.topology-img {
  width: 100%;
  border-radius: var(--radius);
  margin-top: 12px;
  border: 1px solid var(--card-border);
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 24px 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--card-border);
  margin-top: auto;
}

.site-footer a {
  color: var(--accent);
}

/* News list */
.news-list {
  list-style: none;
  padding: 0;
}

.news-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--card-border);
}

.news-list li:last-child {
  border-bottom: none;
}

.news-date {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* LG shared styles */
.lg-form input,
.lg-form select,
.lg-form button {
  margin: 10px 0;
  padding: 12px;
  background: #2d2d2d;
  border: 1px solid var(--accent);
  color: #fff;
  border-radius: 4px;
  font-size: 16px;
  font-family: var(--font-mono);
}

.lg-form button {
  background-color: var(--accent);
  cursor: pointer;
  transition: background-color 0.3s;
  border: none;
}

.lg-form button:disabled {
  background-color: #777;
  cursor: not-allowed;
}

.lg-form button:hover:not(:disabled) {
  background-color: var(--accent-hover);
}

#results {
  margin-top: 20px;
  padding: 15px;
  background-color: #000;
  border-radius: 4px;
  min-height: 200px;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-word;
}