* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f6f7f9;
  color: #1d2433;
  font: 14px/1.5 Arial, "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  height: 38px;
  border: 0;
  border-radius: 6px;
  background: #176b87;
  color: #fff;
  padding: 0 16px;
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #d5dbe5;
  border-radius: 6px;
  background: #fff;
  padding: 9px 10px;
  outline: none;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

label {
  display: grid;
  gap: 6px;
  color: #596273;
  font-size: 13px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid #edf0f4;
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: #667085;
  font-weight: 600;
  background: #fafbfc;
}

code {
  font-family: Consolas, monospace;
  font-size: 12px;
  color: #134e5e;
  word-break: break-all;
}

pre {
  max-width: 680px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Consolas, monospace;
  font-size: 12px;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #eef4f6;
}

.login-panel {
  width: min(380px, calc(100vw - 32px));
  display: grid;
  gap: 16px;
  background: #fff;
  border: 1px solid #dde5ea;
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 12px 36px rgba(18, 37, 51, .08);
}

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

.login-panel p,
.login-panel small {
  margin: 0;
  color: #667085;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 220px;
  display: flex;
  flex-direction: column;
  background: #12222b;
  color: #dce8ed;
  padding: 20px 14px;
}

.brand {
  height: 54px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.sidebar nav {
  display: grid;
  gap: 4px;
}

.sidebar a {
  display: flex;
  align-items: center;
  min-height: 40px;
  border-radius: 6px;
  padding: 0 10px;
  color: #c7d5dc;
}

.sidebar a.active,
.sidebar a:hover {
  background: #203844;
  color: #fff;
}

.logout {
  margin-top: auto;
}

.main {
  margin-left: 220px;
  min-height: 100vh;
  padding: 24px;
}

.main header {
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

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

.panel,
.card {
  background: #fff;
  border: 1px solid #e1e6ee;
  border-radius: 8px;
  box-shadow: 0 4px 18px rgba(21, 34, 50, .04);
}

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

.panel h2 {
  margin: 0 0 14px;
  font-size: 16px;
}

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

.stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.card {
  padding: 18px;
}

.card span {
  display: block;
  color: #667085;
}

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

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

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

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.checks label {
  display: flex;
  align-items: center;
  gap: 6px;
}

.checks input {
  width: auto;
}

.alert,
.toast {
  border-radius: 6px;
  padding: 10px 12px;
}

.alert {
  background: #fff0f0;
  color: #a33b3b;
}

.toast {
  margin-bottom: 14px;
  background: #e9f8ef;
  color: #197047;
}

.flow {
  border: 1px solid #d9e2e7;
  border-radius: 8px;
  background: #f7fafb;
  padding: 18px;
  color: #425466;
}

@media (max-width: 860px) {
  .sidebar {
    position: static;
    width: auto;
    min-height: auto;
  }

  .main {
    margin-left: 0;
    padding: 16px;
  }

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