:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --line: #dce3ea;
  --text: #202a34;
  --muted: #667482;
  --primary: #16833a;
  --primary-dark: #0e682c;
  --danger: #b42318;
  --soft: #eef7f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
  font-size: 14px;
}

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

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

.login-box,
.panel,
.editor {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(20, 31, 43, .08);
}

.login-box {
  width: min(420px, 100%);
  padding: 28px;
}

.login-box h1 {
  margin: 0 0 18px;
  font-size: 24px;
}

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

.sidebar {
  background: #15202b;
  color: #fff;
  padding: 22px 16px;
}

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

.nav {
  display: grid;
  gap: 8px;
}

.nav button {
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 11px 12px;
  background: transparent;
  color: #d8e1e9;
  text-align: left;
  cursor: pointer;
}

.nav button.active,
.nav button:hover {
  background: #233446;
  color: #fff;
}

.content {
  padding: 24px;
}

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

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  font-size: 26px;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 18px;
}

.panel {
  overflow: hidden;
}

.panel-head,
.editor-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.filters {
  display: flex;
  gap: 10px;
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
}

tr:hover td {
  background: #fafcfd;
}

.editor {
  align-self: start;
  position: sticky;
  top: 16px;
}

.editor-body {
  padding: 16px;
  display: grid;
  gap: 12px;
}

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

.field label {
  color: var(--muted);
  font-size: 12px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 80px;
  resize: vertical;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

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

.check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: #fff;
}

.check input {
  width: auto;
}

.btn {
  border: 0;
  border-radius: 6px;
  padding: 10px 13px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn.secondary {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

.btn.danger {
  background: var(--danger);
}

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

.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px 8px;
  background: var(--soft);
  color: var(--primary-dark);
  font-size: 12px;
  margin: 2px 4px 2px 0;
}

.combo-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 74px 34px;
  gap: 8px;
  align-items: center;
}

.notice {
  margin-bottom: 12px;
  border: 1px solid #f3cf8c;
  background: #fff8e8;
  border-radius: 8px;
  padding: 10px 12px;
}

.error {
  color: var(--danger);
  margin-top: 10px;
}

@media (max-width: 960px) {
  .shell,
  .grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 2;
  }

  .nav {
    grid-template-columns: 1fr 1fr;
  }

  .editor {
    position: static;
  }
}