:root {
  --cose-primary: #004d73;
  --cose-dark-blue: #003049;
  --cose-accent: #d62828;
  --cose-bg: #f8f9fa;
  --cose-card-bg: #ffffff;
  --cose-text: #212529;
  --cose-muted: #6c757d;
  --cose-border: #e9ecef;
}

[data-theme="dark"] {
  --cose-bg: #0b131f;
  --cose-card-bg: #152238;
  --cose-text: #e2e8f0;
  --cose-muted: #94a3b8;
  --cose-border: #1e293b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--cose-bg);
  color: var(--cose-text);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.cose-header {
  background-color: var(--cose-dark-blue);
  color: #ffffff;
  padding: 2.5rem 1.5rem;
  border-bottom: 4px solid var(--cose-accent);
}

.cose-header-content {
  max-width: 1100px;
  margin: 0 auto;
}

.cose-header h1 {
  font-size: 2rem;
  margin: 0 0 1rem 0;
  font-weight: 700;
  line-height: 1.25;
}

.cose-header p {
  font-size: 1.1rem;
  color: #e0e0e0;
  margin: 0 0 1.5rem 0;
}

.cose-badge {
  display: inline-block;
  background: var(--cose-accent);
  color: #fff;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.cose-container {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.cose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.cose-card {
  background: var(--cose-card-bg);
  border: 1px solid var(--cose-border);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.cose-card h3 {
  margin-top: 0;
  color: var(--cose-primary);
}

.cose-table-wrapper {
  overflow-x: auto;
  background: var(--cose-card-bg);
  border: 1px solid var(--cose-border);
  border-radius: 8px;
  margin: 1.5rem 0;
}

table.cose-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.cose-table th, table.cose-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--cose-border);
  text-align: left;
}

table.cose-table th {
  background: var(--cose-primary);
  color: #ffffff;
}

.cose-btn {
  display: inline-block;
  background: var(--cose-primary);
  color: #ffffff;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  margin-right: 0.5rem;
  transition: background 0.2s;
}

.cose-btn:hover {
  background: var(--cose-dark-blue);
}

.cose-footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--cose-border);
  color: var(--cose-muted);
  font-size: 0.85rem;
}