:root {
  --green: #2e7d32;
  --green-dark: #1b5e20;
  --bg: #f5f5f5;
  --text: #1a1a1a;
  --border: #e0e0e0;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

nav {
  background: var(--white);
  border-bottom: 2px solid var(--green);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav .logo {
  font-weight: bold;
  font-size: 1.3rem;
  color: var(--green);
  text-decoration: none;
}
nav a:not(.logo) {
  color: var(--text);
  text-decoration: none;
}
nav a:hover {
  color: var(--green);
}

.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1 {
  color: var(--green);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.5rem;
  color: var(--green);
}
.card p {
  margin: 0;
  color: #666;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.card-grid a {
  text-decoration: none;
  color: inherit;
}
.card-grid .card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-danger {
  background: #c62828;
}
.btn-danger:hover {
  background: #b71c1c;
}
.btn-small {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
}

input,
button {
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}

input {
  width: 100%;
  margin-bottom: 0.5rem;
}

button {
  background: var(--green);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: var(--green-dark);
}

.form-row {
  display: flex;
  gap: 0.5rem;
  align-items: end;
  flex-wrap: wrap;
}

.form-row input {
  width: auto;
  flex: 1;
  min-width: 150px;
}
.form-row button {
  white-space: nowrap;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
}

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

th {
  background: #f0f0f0;
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-active {
  background: #e8f5e9;
  color: var(--green);
}
.badge-inactive {
  background: #fce4ec;
  color: #c62828;
}

code {
  background: #f0f0f0;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.85rem;
}

.message {
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.message-error {
  background: #fce4ec;
  color: #c62828;
  border: 1px solid #ef9a9a;
}
.message-success {
  background: #e8f5e9;
  color: var(--green);
  border: 1px solid #a5d6a7;
}

.back-link {
  color: #666;
  text-decoration: none;
  margin-bottom: 1rem;
  display: inline-block;
}
.back-link:hover {
  color: var(--green);
}

.empty {
  color: #999;
  text-align: center;
  padding: 2rem;
}