:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #d9dee7;
  --text: #17202a;
  --muted: #607086;
  --brand: #145c63;
  --brand-dark: #0f474d;
  --good: #176b3a;
  --warn: #9a5b00;
  --bad: #a32929;
}

* {
  box-sizing: border-box;
}

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

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

.shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #102a2e;
  color: #fff;
  padding: 20px 16px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}

.nav a,
.logout button {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  color: #e9f4f5;
  background: transparent;
  border: 0;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.nav a:hover,
.logout button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.main {
  padding: 24px;
}

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

h1 {
  font-size: 24px;
  margin: 0;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

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

.metric span {
  display: block;
  color: var(--muted);
  margin-bottom: 6px;
}

.metric strong {
  font-size: 22px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #edf4f5;
  font-weight: 700;
}

.status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: #e9edf1;
  color: var(--muted);
  white-space: nowrap;
}

.status.good,
.可推进,
.高匹配,
.完成 {
  background: #e6f4ec;
  color: var(--good);
}

.status.warn,
.待谈价,
.待确认,
.报价中 {
  background: #fff3d8;
  color: var(--warn);
}

.status.bad,
.不做,
.黑名单 {
  background: #fde8e8;
  color: var(--bad);
}

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

.button,
button {
  border: 0;
  border-radius: 6px;
  padding: 9px 12px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.button.secondary {
  background: #e8eef0;
  color: var(--brand-dark);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  font: inherit;
  background: #fff;
}

textarea {
  min-height: 140px;
}

form.grid-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.field-full {
  grid-column: 1 / -1;
}

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

.message {
  padding: 10px 12px;
  background: #fff3d8;
  border: 1px solid #efd28d;
  border-radius: 6px;
  margin-bottom: 12px;
}

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

.login-card {
  width: min(380px, 92vw);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

pre {
  white-space: pre-wrap;
  background: #f2f5f7;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
}

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