:root {
  --bg: #f4f6f8;
  --card: #fff;
  --text: #1a1a1a;
  --muted: #5c6570;
  --accent: #0d6efd;
  --border: #dee2e6;
  --danger: #c0392b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.top nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
}

.top nav a:hover {
  text-decoration: underline;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.35rem;
  margin: 0 0 1rem;
}

.msg {
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.msg.ok {
  background: #d4edda;
  color: #155724;
}

.msg.err {
  background: #f8d7da;
  color: #721c24;
}

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

table.data th,
table.data td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  text-align: left;
  vertical-align: top;
}

table.data th {
  background: #e9ecef;
}

table.data tr:nth-child(even) {
  background: #fafbfc;
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filters label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.filters input,
.filters select {
  width: 100%;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.btn {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
}

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

.btn-secondary {
  background: #6c757d;
  color: #fff;
}

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

.row-actions {
  white-space: nowrap;
}

.row-actions a {
  margin-right: 0.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem 1rem;
}

.form-grid label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.form-grid textarea {
  min-height: 72px;
}

.login-box {
  max-width: 360px;
  margin: 3rem auto;
}

.login-box input[type="text"],
.login-box input[type="password"] {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.menu-grid a {
  display: block;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.menu-grid a:hover {
  border-color: var(--accent);
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.pager {
  margin-top: 0.75rem;
  font-size: 0.9rem;
}