:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-muted: #f1f3f5;
  --text: #20242a;
  --muted: #667085;
  --border: #d9dee7;
  --accent: #176b5d;
  --accent-dark: #0e4e44;
  --danger: #b42318;
  --warning: #9a6700;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

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

button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  min-height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  cursor: pointer;
}

button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

button.primary:hover {
  background: var(--accent-dark);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  border-radius: 6px;
  min-height: 34px;
  padding: 7px 9px;
}

textarea {
  min-height: 68px;
  resize: vertical;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.login-panel h1,
.page-title h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
}

.login-panel p,
.page-title p {
  margin: 8px 0 0;
  color: var(--muted);
}

.form-grid {
  display: grid;
  gap: 12px;
}

.field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand {
  font-weight: 700;
  font-size: 16px;
}

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

.content {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.page-title {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}

.tab {
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  min-height: 40px;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.section-header h2 {
  margin: 0;
  font-size: 15px;
}

.section-body {
  padding: 16px;
}

.query-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 12px;
  align-items: end;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 16px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.status-item {
  background: var(--panel-muted);
  border-radius: 6px;
  padding: 10px;
  min-height: 58px;
}

.status-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.status-item strong {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.table-wrap {
  overflow: auto;
  max-height: 68vh;
  border-top: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 1500px;
}

th,
td {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 9px 10px;
  white-space: nowrap;
  text-align: left;
  background: white;
  font-size: 13px;
}

th {
  position: sticky;
  top: 0;
  background: #eef1f5;
  z-index: 2;
  font-weight: 600;
}

tr.child td {
  background: #fbfcfd;
  color: #344054;
}

tr.child td:first-child {
  padding-left: 28px;
}

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

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--panel-muted);
  color: var(--muted);
  font-size: 12px;
}

.pill.ok {
  background: #e7f6ee;
  color: #067647;
}

.pill.bad {
  background: #fde8e7;
  color: var(--danger);
}

.message {
  color: var(--danger);
  min-height: 20px;
}

.captcha-img {
  display: block;
  max-width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-muted);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 8px;
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
}

.checkbox-grid input {
  width: auto;
  min-height: auto;
}

.user-list {
  display: grid;
  gap: 8px;
}

.user-row {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .query-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .page-title,
  .section-header {
    display: grid;
  }
}