/* satellite-base.css - Core styling foundation */

:root {
  --primary-color: #2563eb;
  --secondary-color: #06b6d4;
  --accent-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --success-color: #22c55e;
  
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-glass: rgba(15, 23, 42, 0.8);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --border-color: #475569;
  --border-active: #3b82f6;
  
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  
  --transition-fast: 150ms ease-in-out;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a202c 100%);
  min-height: 100vh;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.satellite-tracker-main {
  min-height: 100vh;
  padding: var(--spacing-lg);
}

.tracker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.tracker-header h1 {
  font-size: 1.875rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.connection-status.connected {
  color: var(--success-color);
  background: rgba(34, 197, 94, 0.1);
}

.connection-status.disconnected {
  color: var(--error-color);
  background: rgba(239, 68, 68, 0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

/* Cards */
.card {
  background-color: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  backdrop-filter: blur(10px);
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .satellite-tracker-main {
    padding: var(--spacing-md);
  }
}