:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background: #f6f7f9;
  color: #1f2933;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

body.auth-only {
  overflow: hidden;
}

.hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #f6f7f9;
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid #d9e2ec;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(16, 24, 40, 0.12);
}

.login-card h2 {
  margin: 0;
}

.login-card p {
  margin: 0;
  color: #52606d;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  background: #16212f;
  color: white;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

h1 {
  font-size: 22px;
  margin: 0 0 28px;
}

h2 {
  font-size: 24px;
  margin: 0;
}

h3 {
  margin: 28px 0 14px;
}

.nav {
  width: 100%;
  border: 0;
  color: #d9e2ec;
  background: transparent;
  text-align: left;
  padding: 12px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
}

.nav.active,
.nav:hover {
  background: #2b3b4f;
  color: white;
}

main {
  padding: 28px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.toolbar h2 {
  margin-right: auto;
}

button {
  border: 1px solid #bac7d5;
  background: #ffffff;
  color: #1f2933;
  padding: 9px 14px;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  border-color: #3478f6;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  max-width: 1120px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  color: #52606d;
}

input,
select,
textarea {
  height: 38px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 0 10px;
  background: white;
  font-size: 14px;
  min-width: 0;
}

label input + select,
label input + datalist + select {
  margin-top: 6px;
}

textarea {
  height: auto;
  min-height: 96px;
  padding: 10px;
  resize: vertical;
}

#categorySelect {
  min-height: 38px;
}

.quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.hint {
  color: #616e7c;
  margin: 16px 0;
}

pre {
  margin-top: 18px;
  padding: 16px;
  background: #101828;
  color: #dbe4ff;
  border-radius: 6px;
  overflow: auto;
  min-height: 120px;
  white-space: pre-wrap;
}

.results {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  max-width: 1120px;
}

.result {
  background: white;
  border: 1px solid #d9e2ec;
  border-radius: 6px;
  padding: 12px;
  cursor: pointer;
}

.result:hover {
  border-color: #3478f6;
}

.result strong {
  display: block;
  margin-bottom: 6px;
}

.store-row {
  max-width: 1120px;
  margin: 14px 0;
  padding: 14px;
  border: 1px solid #d9e2ec;
  border-radius: 6px;
  background: white;
}

.store-row h3 {
  margin: 0 0 12px;
  font-size: 17px;
}

.shipping-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  max-width: 1120px;
  margin: 16px 0;
}

.summary-item {
  background: #ffffff;
  border: 1px solid #d9e2ec;
  border-radius: 6px;
  padding: 12px;
}

.summary-item strong {
  display: block;
  font-size: 20px;
  margin-top: 4px;
}

.table-wrap {
  max-width: 100%;
  overflow: auto;
  border: 1px solid #d9e2ec;
  border-radius: 6px;
  background: #ffffff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

th,
td {
  border-bottom: 1px solid #e4e7eb;
  padding: 10px;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

th {
  background: #f1f5f9;
  color: #334e68;
  position: sticky;
  top: 0;
}

td small {
  display: block;
  color: #66788a;
  margin-top: 4px;
}

.advanced-setting {
  display: none;
}

.hidden-field {
  display: none !important;
}

.logout-nav {
  margin-top: auto;
}

@media (max-width: 760px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: flex;
    gap: 8px;
    overflow: auto;
    padding: 12px;
  }

  .sidebar h1 {
    display: none;
  }

  .nav {
    width: auto;
    white-space: nowrap;
  }

  main {
    padding: 18px;
  }
}