:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1b2430;
  --muted: #5b6778;
  --line: #d7dce3;
  --brand: #164a6b;
  --brand-soft: #e5eff5;
  --ok: #1d7f4b;
  --warn: #8a5a00;
  --danger: #972f2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #eef2f5 0%, #f8fafb 100%);
  color: var(--text);
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

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

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

.app-shell {
  min-height: 100vh;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 16px 24px;
}

.topbar h1 {
  font-size: 20px;
}

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

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 74px);
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #fcfdff;
  padding: 16px;
}

.side-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 500;
}

.side-link.active,
.side-link:hover {
  background: var(--brand-soft);
  color: var(--brand);
}

.content {
  padding: 20px 24px 32px;
}

.page-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  gap: 12px;
}

.grid.kpis {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}

.kpi-label {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 5px;
}

.kpi-value {
  font-size: 24px;
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}

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

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 14px;
}

th {
  background: #f8fafc;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.badge {
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  display: inline-block;
  border: 1px solid var(--line);
  background: #f8fafc;
}

.badge.good {
  background: #ecfbf2;
  border-color: #bfe8ce;
  color: var(--ok);
}

.badge.warn {
  background: #fff6e8;
  border-color: #f3d7a8;
  color: var(--warn);
}

.badge.danger {
  background: #ffecec;
  border-color: #efb6b6;
  color: var(--danger);
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tab {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
  cursor: pointer;
}

.tab.active {
  border-color: #8cb3ca;
  background: var(--brand-soft);
  color: var(--brand);
}

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

.btn {
  border: 1px solid #a2b0bf;
  background: var(--surface);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

.btn.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.btn.danger {
  background: #a83131;
  border-color: #a83131;
  color: #fff;
}

.stack {
  display: grid;
  gap: 12px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
}

textarea {
  min-height: 85px;
}

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

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 10px 0;
}

.guide-panel {
  border: 1px solid #cfe0ec;
  background: #f5fbff;
  border-radius: 10px;
  padding: 10px 12px;
}

.guide-title {
  font-size: 13px;
  color: #1e5678;
  margin-bottom: 8px;
}

.guide-item {
  border: 1px solid #d5e5ef;
  background: #fff;
  border-radius: 8px;
  margin-bottom: 8px;
}

.guide-item:last-child {
  margin-bottom: 0;
}

.guide-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #214f6c;
}

.guide-item > summary::-webkit-details-marker {
  display: none;
}

.guide-item-body {
  padding: 0 10px 10px;
  font-size: 13px;
  color: var(--muted);
}

.guide-item-body p {
  margin-bottom: 4px;
}

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

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .two-col {
    grid-template-columns: 1fr;
  }
}