:root {
  --bg: #f6f7f3;
  --panel: #ffffff;
  --text: #18201c;
  --muted: #66706a;
  --line: #dbe0d9;
  --accent: #087f8c;
  --accent-strong: #075965;
  --warn: #b25a16;
  --danger: #a13333;
  --ok: #1b7b50;
  --soft: #edf6f4;
  font-family: Inter, "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  min-height: 36px;
  padding: 0 12px;
  border-radius: 6px;
  cursor: pointer;
}

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

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

button:disabled {
  opacity: 0.55;
  cursor: wait;
}

input,
select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: #fff;
  color: var(--text);
}

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

.login-panel {
  width: min(420px, 100%);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  box-shadow: 0 18px 60px rgba(31, 44, 39, 0.10);
}

.login-panel h1 {
  margin: 0 0 6px;
  font-size: 26px;
}

.login-panel p {
  margin: 0 0 22px;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

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

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 244px 1fr;
}

.sidebar {
  background: #16221f;
  color: #eff7f3;
  padding: 20px 14px;
}

.brand {
  padding: 4px 8px 22px;
}

.brand strong {
  display: block;
  font-size: 19px;
}

.brand span {
  color: #abc0b8;
  font-size: 13px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav button {
  text-align: left;
  color: #dfe9e4;
  background: transparent;
  border-color: transparent;
}

.nav button.active {
  background: #213631;
  border-color: #31534b;
}

.content {
  min-width: 0;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.topbar h1 {
  margin: 0;
  font-size: 28px;
}

.topbar small,
.muted {
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

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

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stat strong {
  display: block;
  font-size: 26px;
  margin-top: 6px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel h2 {
  margin: 0;
  font-size: 18px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}

th {
  background: #f0f3ef;
  color: #33423c;
  font-weight: 650;
}

td input,
td select {
  min-width: 128px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.badge.ok {
  color: var(--ok);
  background: #eef9f3;
  border-color: #b8e3cc;
}

.badge.bad {
  color: var(--warn);
  background: #fff7ec;
  border-color: #f1d2a8;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr)) auto;
  gap: 10px;
  align-items: end;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.message {
  min-height: 22px;
  color: var(--accent-strong);
  margin-top: 10px;
}

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

.log-list {
  display: grid;
  gap: 8px;
  max-height: 520px;
  overflow: auto;
}

.log-item {
  border-bottom: 1px solid var(--line);
  padding: 9px 0;
}

.log-item strong {
  display: inline-block;
  margin-right: 8px;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
  }

  .nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats,
  .two-col,
  .form-row {
    grid-template-columns: 1fr;
  }
}