:root {
  --primary: #00ffcc;
  --secondary: #00ccff;
  --dark-bg: #0e0e0e;
  --card-bg: #1a1a1a;
  --text-light: #d3d3d3;
}

/* Base Styles */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;
}

header {
  background-color: var(--card-bg);
  color: var(--primary);
  padding: 1rem;
  border-bottom: 1px solid var(--primary);
  text-align: center;
  position: relative;
  z-index: 10;
}

#live-stats {
  font-family: monospace;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* Main Layout Structure */
main {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
}

/* Three-column layout for pages with stats */
main.with-stats {
  grid-template-columns: 250px 1fr 300px;
}

/* Content Area */
.content {
  grid-column: 2;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid #333;
  min-height: 60vh;
}

/* Left Sidebar */
.sidebar {
  position: sticky;
  top: 1rem;
  height: fit-content;
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid #333;
  align-self: start;
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin-bottom: 0.5rem;
}

.sidebar-nav a {
  color: var(--text-light);
  text-decoration: none;
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.sidebar-nav a:hover {
  background-color: #333;
  color: var(--primary);
}

.sidebar-nav a.active {
  color: var(--primary);
  font-weight: bold;
  border-left: 3px solid var(--primary);
  padding-left: calc(0.75rem - 3px);
  background-color: rgba(0, 255, 204, 0.1);
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-section h3 {
  color: var(--primary);
  margin-top: 0;
  border-bottom: 1px solid #333;
  padding-bottom: 0.5rem;
}

/* Right Stats Container */
.stats-container {
  position: sticky;
  top: 1rem;
  height: fit-content;
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid #333;
  align-self: start;
}

/* Stats Components */
.chart-container {
  margin-bottom: 2rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.stat-card {
  background: #222;
  padding: 1rem;
  border-radius: 6px;
  border-left: 3px solid var(--primary);
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary);
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
  border-top: 1px solid #333;
  grid-column: 1 / -1;
}

/* Limits Page Styles */
.limits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.limit-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--primary);
}

.limit-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.limit-values {
  display: flex;
  gap: 1rem;
}

.limit-value {
  flex: 1;
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
}

.limit-value.free {
  background: rgba(0, 255, 204, 0.1);
  border: 1px solid var(--primary);
}

.limit-value.supporter {
  background: rgba(0, 204, 255, 0.1);
  border: 1px solid var(--secondary);
}

/* Account Types Page */
.account-types {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.account-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.account-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 1.5rem;
  border-top: 4px solid var(--primary);
}

.account-card.supporter {
  border-top-color: var(--secondary);
}

/* Responsive Design */
@media (max-width: 1200px) {
  main {
    grid-template-columns: 250px 1fr;
    padding: 1.5rem;
  }
  
  main.with-stats .stats-container {
    display: none; /* Hide stats on smaller screens */
  }
}

@media (max-width: 768px) {
  main {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .sidebar {
    position: static;
    margin-bottom: 1rem;
  }
  
  .content {
    grid-column: 1;
    min-height: auto;
  }
  
  .account-columns {
    grid-template-columns: 1fr;
  }
}

/* Animation and Interactions */
html {
  scroll-behavior: smooth;
}

.account-button, .cta-button {
  transition: all 0.3s ease;
}

.account-button:hover, .cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 204, 255, 0.3);
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }