/* Reset & Base variables */
:root {
  --bg-color: #1a1a2a;
  --text-color: #e0e0e0;
  --accent-color: #00ff88;
  --card-bg: #2a2a3a;
  --nav-bg: #151522;
  --border-radius: 12px;
  --transition-speed: 0.3s;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Fira Code', source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;
}

[data-theme="light"] {
  --bg-color: #f4f4f9;
  --text-color: #111111;
  --accent-color: #0088ff;
  --card-bg: #ffffff;
  --nav-bg: #eaeaea;
}

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

h1, h2, h3, h4, h5, h6 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: opacity var(--transition-speed);
}

a:hover {
  opacity: 0.8;
}

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

/* Header */
header {
  background-color: var(--nav-bg);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  color: var(--text-color);
  font-weight: 500;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-color);
  min-width: 44px;
  min-height: 44px;
}

/* Disclaimer Banner */
.disclaimer-banner {
  background-color: #ffcc00;
  color: #111;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
}

[data-theme="dark"] .disclaimer-banner {
    background-color: #332a00;
    color: #ffcc00;
}

/* Cards & Grid */
.grid, .carrier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  transition: transform var(--transition-speed);
}

.card:hover {
  transform: translateY(-5px);
}

.carrier-card {
    display: block;
    color: var(--text-color);
}

.carrier-card h3 {
    color: var(--accent-color);
    margin-top: 0;
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--bg-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: bold;
  text-align: center;
  border: none;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

.btn:hover {
  opacity: 0.9;
}

/* EEAT Badge */
.eeat-badge {
    display: inline-block;
    background-color: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
    border: 1px solid var(--accent-color);
}

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.5rem;
}

.breadcrumbs li {
  display: inline;
}

/* Footer */
footer {
  background-color: var(--nav-bg);
  padding: 3rem 2rem 1rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h4 {
  color: var(--accent-color);
  margin-top: 0;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--text-color);
}

.small-text {
  font-size: 0.75rem;
  opacity: 0.7;
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
}

/* Code Blocks */
pre {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    font-family: var(--font-mono);
    border-left: 4px solid var(--accent-color);
}

code {
    font-family: var(--font-mono);
    background-color: rgba(0, 255, 136, 0.1);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--accent-color);
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

th {
    background-color: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
}

/* Ads */
.ad-container-leaderboard {
    margin: 2rem auto;
    text-align: center;
    min-height: 90px;
    background-color: var(--card-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--border-radius);
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--nav-bg);
    padding: 1rem 2rem;
  }

  .nav-links.active {
    display: flex;
  }
}