:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #667085;
  --line: #d8dee8;
  --accent: #2563eb;
  --danger: #b42318;
  --success: #067647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
}

h1 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.2;
}

h2 {
  margin-top: 30px;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 28px auto;
}

nav,
.links,
.actions,
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.form,
.summary,
.item,
.report,
.panel,
table,
.search,
.message {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.form {
  display: grid;
  gap: 14px;
  padding: 18px;
  margin: 18px 0;
}

.user-form {
  max-width: 760px;
  max-height: calc(100vh - 230px);
  overflow-y: auto;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

input,
textarea,
select,
button {
  font: inherit;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

.checkbox-label input {
  width: auto;
}

.user-form ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px 14px;
  list-style: none;
  margin: 0;
  padding: 10px 0 0;
  color: var(--text);
}

.user-form li label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.user-form li input {
  width: auto;
}

textarea {
  resize: vertical;
}

button {
  width: fit-content;
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.94);
}

button.danger {
  background: var(--danger);
}

.button-link {
  display: inline-block;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.button-link.secondary {
  background: var(--muted);
}

.button-link:hover {
  text-decoration: none;
  filter: brightness(0.94);
}

.inline-form {
  margin: 18px 0;
}

.toolbar {
  margin: 18px 0;
}

.toolbar .inline-form {
  margin: 0;
}

.topbar form,
td form {
  display: inline;
}

.topbar button,
td button {
  padding: 7px 10px;
}

.summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
}

.summary div {
  display: grid;
  gap: 4px;
}

.summary span {
  font-family: Consolas, Monaco, monospace;
  font-size: 18px;
}

.item,
.panel,
.report {
  padding: 16px 18px;
  margin: 12px 0;
}

.item h3 {
  margin: 0 0 8px;
}

.item-meta {
  grid-template-columns: minmax(180px, max-content) 1fr;
  margin: 10px 0;
}

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

.search {
  display: flex;
  gap: 10px;
  padding: 14px;
  margin-bottom: 14px;
}

.search input {
  flex: 1;
}

.search select {
  min-width: 180px;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef3ff;
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

.report {
  overflow-x: auto;
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 18px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.messages {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.message {
  padding: 10px 12px;
}

.message.success {
  border-color: #75c9a3;
  color: var(--success);
}

.message.error {
  border-color: #f3a6a0;
  color: var(--danger);
}

.errorlist {
  color: var(--danger);
  margin: 0;
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .topbar,
  .summary,
  .search,
  .actions,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar {
    padding: 14px 16px;
  }

  nav {
    align-items: stretch;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  main {
    width: min(100% - 20px, 1120px);
    margin: 18px auto;
  }

  h1 {
    font-size: 24px;
  }

  .form,
  .summary,
  .item,
  .report,
  .panel,
  .search,
  .message {
    padding: 14px;
  }

  .user-form {
    max-height: none;
  }

  button,
  .button-link,
  .toolbar form,
  .toolbar button,
  .actions form,
  .actions button {
    width: 100%;
  }

  dl,
  .item-meta {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  table {
    display: block;
    overflow-x: auto;
    min-width: 760px;
  }
}