:root {
  --color-primary: #2e7d32;
  --color-primary-dark: #1b5e20;
  --color-bg: #f7f9f7;
  --color-text: #2b2b2b;
  --color-muted: #6b6b6b;
  --max-width: 800px;
}

* {
  box-sizing: border-box;
}

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

header {
  background: var(--color-primary);
  color: #fff;
  padding: 1.5rem 1rem;
}

header .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

header img {
  height: 40px;
  width: auto;
}

header h1 {
  font-size: 1.25rem;
  margin: 0;
}

nav {
  background: var(--color-primary-dark);
}

nav .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  gap: 1.5rem;
  padding: 0.5rem 1rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  opacity: 0.9;
}

nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

h2 {
  color: var(--color-primary-dark);
  margin-top: 2rem;
}

h3 {
  margin-top: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border: 1px solid #ddd;
  vertical-align: top;
}

th {
  background: #eef3ee;
}

footer {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
  padding: 1.5rem 1rem;
}

a {
  color: var(--color-primary-dark);
}

.button {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 0.5rem;
}

.button:hover {
  background: var(--color-primary-dark);
}