:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --line: #dbe2ea;
  --text: #1f2a37;
  --muted: #66758a;
  --primary: #2d6cdf;
  --primary-soft: #eaf1ff;
  --ok: #177245;
  --warn: #ad6800;
  --danger: #b42318;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --radius: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top right, #fbfcff, var(--bg) 45%);
  color: var(--text);
}

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

.container {
  width: min(1180px, 92vw);
  margin: 24px auto 36px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}

.admin-menu {
  position: relative;
}

.avatar-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0;
  overflow: hidden;
  background: #fff;
}

.avatar-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.menu-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 168px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 8px;
  display: none;
  z-index: 20;
}

.menu-dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -8px;
  height: 8px;
}

.admin-menu:hover .menu-dropdown {
  display: block;
}

.menu-user {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 6px 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.menu-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  background: #fff;
  border: 0;
  border-radius: 8px;
}

.menu-dropdown button:hover {
  background: var(--surface-2);
}

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-card {
  width: min(420px, 92vw);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 16px;
}

.modal-card h3 {
  margin: 2px 0 4px;
  font-size: 18px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.kpi {
  padding: 14px;
}

.kpi h4 {
  margin: 0 0 10px;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

.kpi b {
  font-size: 28px;
}

.panel {
  margin-top: 16px;
  padding: 16px;
  min-height: 640px;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 12px;
}

.toolbar-right {
  margin-left: auto;
  display: flex;
  gap: 10px;
}

input, select, textarea, button {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

textarea { width: 100%; resize: vertical; }

button {
  cursor: pointer;
  background: var(--surface-2);
}

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

button.warn {
  background: #fff8eb;
  color: var(--warn);
  border-color: #f5d18f;
}

button.danger {
  background: #fff1f1;
  color: var(--danger);
  border-color: #f2b8b5;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e9eef5;
}

.tab.active {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: #c7d8ff;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th, td {
  border-bottom: 1px solid var(--line);
  padding: 9px 8px;
  text-align: left;
  vertical-align: middle;
  font-size: 13px;
}

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

.badge {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
}

.badge.ok { border-color: #8bd7b2; color: var(--ok); background: #ecfcf4; }
.badge.warn { border-color: #f5d18f; color: var(--warn); background: #fff8eb; }
.badge.off { border-color: #d0d8e2; color: #6b7788; background: #f6f8fa; }
.badge.err { border-color: #f2b8b5; color: var(--danger); background: #fff1f1; }

.clickable-status {
  cursor: pointer;
  user-select: none;
}

.status-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

tbody td:last-child {
  white-space: nowrap;
}

tbody td:last-child button {
  padding: 5px 9px;
  line-height: 1.2;
}

.split {
  display: grid;
  gap: 14px;
  grid-template-columns: 1.5fr 1fr;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

.code {
  font-family: "Cascadia Mono", Consolas, monospace;
  background: #f6f8fb;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px 6px;
}

.pager {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 12px;
}

@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }
  .header { flex-direction: column; align-items: flex-start; gap: 8px; }
}

body.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.login-wrap {
  width: min(420px, 90vw);
  margin: 0 auto;
}

.login-panel {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-title {
  text-align: center;
  margin-bottom: 16px;
}