:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #667085;
  --line: #d8dee8;
  --primary: #0f766e;
  --primary-dark: #0b5f59;
  --danger: #b42318;
  --warning: #b54708;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}

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

a:hover {
  text-decoration: underline;
}

.topbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 28px;
  background: #111827;
  color: #fff;
}

.brand {
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.nav a,
.logout-form button {
  color: #d1d5db;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.logout-form {
  margin: 0;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-size: 26px;
}

h2 {
  font-size: 18px;
}

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

.panel,
.stat,
.login-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.panel {
  padding: 18px;
  overflow-x: auto;
}

.narrow {
  max-width: 720px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat {
  padding: 18px;
}

.stat span {
  display: block;
  color: var(--muted);
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
}

.stat.warning strong {
  color: var(--warning);
}

.stat.danger strong {
  color: var(--danger);
}

.filters {
  display: grid;
  grid-template-columns: 1fr 160px auto;
  gap: 10px;
  margin-bottom: 16px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--text);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

button,
.primary,
.secondary,
.danger-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 6px;
  padding: 0 14px;
  border: 1px solid transparent;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}

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

.primary:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}

.secondary:hover {
  text-decoration: none;
  border-color: #98a2b3;
}

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

.danger-link {
  color: var(--danger);
}

.actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

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

th {
  color: var(--muted);
  font-weight: 600;
  background: #f9fafb;
}

.remarks {
  max-width: 220px;
  color: var(--muted);
}

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

.row-actions a + a {
  margin-left: 10px;
}

.empty {
  text-align: center;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 14px;
}

.form label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 600;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox input {
  width: auto;
}

.checkbox span {
  margin: 0;
}

.messages {
  margin-bottom: 16px;
}

.message {
  padding: 11px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
}

.message + .message {
  margin-top: 8px;
}

.message.success {
  border-color: #98d7c2;
  background: #ecfdf3;
}

.message.error,
.error-text {
  color: var(--danger);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.result-grid div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.result-grid span {
  display: block;
  color: var(--muted);
}

.result-grid strong {
  font-size: 24px;
}

.error-list {
  color: var(--danger);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #eef2f6;
}

.login-box {
  width: min(420px, 100%);
  padding: 28px;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 24px;
}

.full {
  width: 100%;
}

@media (max-width: 760px) {
  .topbar,
  .page-head {
    align-items: stretch;
    flex-direction: column;
  }

  .filters,
  .stats,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}