:root {
  --primary-color: #0d6efd;
  --success-color: #198754;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #0dcaf0;
  --dark-color: #212529;
  --light-color: #f8f9fa;
  --border-radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--light-color);
  color: var(--dark-color);
}

.brand-name {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navbar */
.navbar-custom {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-custom .navbar-brand {
  color: white !important;
  font-weight: 700;
  font-size: 1.5rem;
}

.navbar-custom .nav-link {
  color: rgba(255,255,255,0.9) !important;
  font-weight: 500;
  transition: color 0.3s;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: white !important;
  background-color: rgba(255,255,255,0.1);
  border-radius: 4px;
}

.status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 5px;
  animation: pulse 2s infinite;
}

.status-indicator.live {
  background-color: #00ff00;
}

.status-indicator.delayed {
  background-color: #ffc107;
}

.status-indicator.offline {
  background-color: #dc3545;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Cards */
.metric-card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

.metric-label {
  font-size: 0.875rem;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-change {
  font-size: 0.875rem;
  font-weight: 600;
}

.metric-change.positive {
  color: var(--success-color);
}

.metric-change.negative {
  color: var(--danger-color);
}

.metric-change.neutral {
  color: var(--info-color);
}

/* Buttons */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  transition: all 0.3s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Utility Classes */
.text-bullish {
  color: var(--success-color);
}

.text-bearish {
  color: var(--danger-color);
}

.text-neutral {
  color: var(--info-color);
}

.bg-bullish {
  background-color: rgba(25, 135, 84, 0.1);
}

.bg-bearish {
  background-color: rgba(220, 53, 69, 0.1);
}

.bg-neutral {
  background-color: rgba(13, 202, 240, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .metric-value {
    font-size: 1.5rem;
  }
  
  .brand-name {
    font-size: 1.5rem;
  }
}