:root {
  --primary-color: #30a858;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
}
body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  box-sizing: border-box;
}

b {
  color: var(--primary-color);
}

.muted {
  color: var(--secondary-color);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 1rem 0;
  color: var(--primary-color);
}

table {
  border-collapse: collapse;
}

table th,
table td {
  padding: 8px;
  border: 1px solid #ccc;
}

table.hover tr:hover {
  background-color: #f5f5f5;
}
input,
textarea,
select {
  padding: 0.4em 0.7em;
  font-size: 1rem;
  border: 1px solid #ddd;
  border-radius: 0.25em;
}
select {
  background: #fff;
}
.btn {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  color: #333;
  background: #f2f2f2;
  border: 1px solid #ddd;
  border-radius: 0.25em;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.btn:hover {
  background: #e8e8e8;
  border-color: #ccc;
}

.btn-primary {
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}
.btn-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-danger,
.btn-danger:hover {
  color: #fff;
  background-color: var(--danger-color);
  border-color: var(--danger-color);
}

div.alert {
  padding: 10px;
  margin-bottom: 20px;
  border: 1px solid transparent;
  border-radius: 0.25em;
}

div.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

div.alert-error {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

div.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeeba;
}

div.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}