/* Base styles */
:root {
  --primary-color: #3498db;
  --secondary-color: #8fb9c5;
  --background-color: #f8f9fa;
  --card-background: #ffffff;
  --text-color: #333333;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --success-color: #2ecc71;
  --error-color: #e74c3c;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px;
}

/* Header styles - Override any grid.css conflicts */
header.header,
.header {
  background-color: var(--secondary-color) !important;
  color: white !important;
  padding: 1rem 0;
  box-shadow: var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  font-size: 1.6rem;
  margin-bottom: 0.2rem;
}

.logo p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.time-range-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.time-range-selector select {
  padding: 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: white;
  font-size: 0.9rem;
}

/* Main content styles */
main.container {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.loading {
  text-align: center;
  padding: 2rem;
  font-size: 1.2rem;
  color: var(--secondary-color);
}

.error-message {
  background-color: #ffebee;
  border-left: 4px solid var(--error-color);
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

/* Grid page has its own styles in grid.css */

/* Footer styles */
.footer {
  background-color: #f1f1f1;
  color: #666;
  padding: 1rem 0;
  text-align: center;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  /* Grid has its own responsive styles in grid.css */
}