:root {
  --primary-color: #1a1a1a;
  --accent-color: #0077cc;
  --ok-color: #2ecc71;
  --down-color: #e74c3c;
  --bg-color: #f9f9f9;
  --text-color: #333333;
  --font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

header,
footer {
  background: var(--primary-color);
  color: #ffffff;
  padding: 1rem;
}

header nav a {
  color: #ffffff;
  margin-right: 1rem;
  text-decoration: none;
}

header nav a:hover {
  text-decoration: underline;
}

main {
  padding: 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.card {
  flex: 1 1 300px;
  background: #ffffff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card h2 {
  margin-top: 0;
}

.card a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: bold;
}

.card a:hover {
  text-decoration: underline;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 400px;
  margin: 2rem auto;
  background: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

form label {
  font-weight: 600;
}

form input[type='text'],
form input[type='password'] {
  padding: 0.5rem;
  border: 1px solid #cccccc;
  border-radius: 4px;
}

form button {
  padding: 0.75rem;
  border: none;
  border-radius: 4px;
  background: var(--accent-color);
  color: #ffffff;
  font-size: 1rem;
  cursor: pointer;
}

form button:hover {
  background: #005fa3;
}

.status-list {
  list-style: none;
  padding: 0;
}

.status-list li {
  margin-bottom: 0.5rem;
}

.status-ok {
  color: var(--ok-color);
}

.status-down {
  color: var(--down-color);
}

.intro {
  margin: 1rem 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.status-card {
  background: #ffffff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.status-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-ok {
  background: rgba(46, 204, 113, 0.1);
  color: var(--ok-color);
  border: 1px solid var(--ok-color);
}

.badge-down {
  background: rgba(231, 76, 60, 0.1);
  color: var(--down-color);
  border: 1px solid var(--down-color);
}

footer {
  text-align: center;
}