:root {
  --color-primary: #0A2540;
  --color-background: #F3F4F6;
  --color-surface: #FFFFFF;
  --color-text: #111827;
  --color-muted: #6B7280;
  --color-accent: #0066FF;
  --color-live: #10B981;
  --color-overdue: #EF4444;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-data: 'IBM Plex Sans', sans-serif;
  --radius: 4px;
  --spacing-tight: 8px;
  --spacing-base: 16px;
  --shadow-hard: 0 4px 6px -1px rgba(10, 37, 64, 0.1);
}

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

body {
  font-family: var(--font-data);
  background-color: var(--color-background);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
}

h1 {
  font-size: 24px;
}

button {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 13px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  padding: var(--spacing-tight) var(--spacing-base);
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}
.btn-primary:hover {
  opacity: 0.9;
}

.btn-accent {
  background-color: var(--color-accent);
  color: white;
}
.btn-accent:hover {
  opacity: 0.9;
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  border: 1px solid #E5E7EB;
  padding: var(--spacing-base);
}

/* Base table styles for data grid */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

th, td {
  padding: var(--spacing-tight);
  text-align: left;
  border-bottom: 1px solid #E5E7EB;
}

th {
  font-weight: 500;
  color: var(--color-muted);
  background-color: var(--color-surface);
  position: sticky;
  top: 0;
}

/* Responsive Grid Helpers */
.grid-2-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-base);
}

@media (min-width: 1024px) {
  .grid-2-cols {
    grid-template-columns: 1fr 1fr;
  }
}

.flex-1 {
  flex: 1;
}

.w-full {
  width: 100%;
}