:root {
  --nav-width: 248px;
  --nav-collapsed-width: 66px;
  --ink: #17212b;
  --muted: #5d6a75;
  --line: #aebbc7;
  --panel: #ffffff;
  --soft: #eef5f8;
  --brand: #143f72;
  --brand-2: #087f8c;
  --warn: #7c4300;
  --warn-bg: #fff3d6;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: #e7eef2;
}

body {
  margin: 0;
  min-width: 100%;
  color: var(--ink);
  background: #f7fafb;
  font-family: "Segoe UI", Arial, sans-serif;
  overflow-x: auto;
}

.layout {
  display: grid;
  grid-template-columns: var(--nav-width) minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 160ms ease;
}

.layout.nav-collapsed {
  grid-template-columns: var(--nav-collapsed-width) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 14px 10px;
  color: #fff;
  background: linear-gradient(180deg, #123c6b, #0a596b);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.brand img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-text {
  min-width: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.15;
}

.nav-toggle {
  width: 100%;
  margin-bottom: 12px;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 5px;
  padding: 7px;
  color: #fff;
  background: rgb(255 255 255 / 10%);
  cursor: pointer;
  text-align: left;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgb(255 255 255 / 20%);
}

.site-nav {
  display: grid;
  gap: 4px;
}

.site-nav a {
  display: flex;
  align-items: center;
  min-height: 38px;
  border-radius: 5px;
  padding: 7px 9px;
  color: #fff;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: rgb(255 255 255 / 18%);
}

.nav-symbol {
  width: 28px;
  flex: 0 0 auto;
  font-weight: 700;
}

.layout.nav-collapsed .brand-text,
.layout.nav-collapsed .nav-label,
.layout.nav-collapsed .toggle-label {
  display: none;
}

.main {
  min-width: 0;
  padding: 22px 24px 40px;
}

.hero,
.panel {
  width: max-content;
  min-width: min(100%, 700px);
  max-width: 1120px;
  margin: 0 0 18px;
  border: 1px solid #cfdae1;
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 3px 14px rgb(24 54 78 / 8%);
}

.hero {
  padding: 18px 20px;
  border-left: 6px solid var(--brand-2);
}

.panel {
  padding: 16px 18px;
}

h1,
h2 {
  margin: 0 0 8px;
  color: var(--brand);
}

p,
li {
  max-width: 82ch;
  line-height: 1.5;
}

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

.privacy-note {
  display: inline-block;
  margin-top: 8px;
  border: 1px solid #dfb15a;
  border-radius: 5px;
  padding: 5px 8px;
  color: var(--warn);
  background: var(--warn-bg);
  font-weight: 650;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  width: max-content;
  max-width: 100%;
  margin: 0 0 8px;
}

.toolbar a,
.toolbar button,
.column-controls summary {
  border: 1px solid #78909f;
  border-radius: 4px;
  padding: 5px 8px;
  color: #173754;
  background: #fff;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.toolbar a:hover,
.toolbar button:hover,
.column-controls summary:hover {
  background: #e5f1f5;
}

.column-controls {
  position: relative;
}

.column-options {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 40;
  display: grid;
  gap: 4px;
  min-width: 230px;
  max-height: 60vh;
  overflow-y: auto;
  border: 1px solid #78909f;
  border-radius: 5px;
  padding: 8px;
  background: #fff;
  box-shadow: 0 6px 18px rgb(0 0 0 / 18%);
}

.column-options-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 3px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.column-options label {
  display: flex;
  gap: 7px;
  align-items: flex-start;
}

table {
  width: max-content;
  max-width: none;
  border-collapse: collapse;
  border-spacing: 0;
  background: #fff;
}

caption {
  padding: 4px 0 6px;
  color: var(--muted);
  text-align: left;
}

th,
td {
  border: 1px solid var(--line);
  padding: 2px;
  text-align: left;
  vertical-align: top;
  white-space: normal;
}

th.column-no-wrap,
td.column-no-wrap {
  max-width: var(--column-width, 240px);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

th {
  position: sticky;
  top: 0;
  z-index: 4;
  min-width: 64px;
  color: #102f4f;
  background: #dfeef4;
  cursor: pointer;
  overflow-wrap: anywhere;
  user-select: none;
  box-shadow: inset 0 -2px 0 #8fa7b5;
}

th:hover,
th:focus-visible {
  background: #cce3ec;
}

th[draggable="true"] {
  cursor: grab;
}

th.drag-target {
  outline: 3px solid var(--brand-2);
}

td.numeric,
th.numeric {
  text-align: right;
}

td a {
  color: #075f96;
}

tbody tr:nth-child(even) {
  background: #f5f8fa;
}

tbody tr:hover {
  background: #fff7d6;
}

.resize-handle {
  position: absolute;
  top: 0;
  right: -3px;
  width: 7px;
  height: 100%;
  cursor: col-resize;
}

.table-column-context-menu {
  position: fixed;
  z-index: 1000;
  display: grid;
  gap: 4px;
  min-width: 250px;
  max-width: min(360px, calc(100vw - 16px));
  max-height: min(70vh, 560px);
  overflow-y: auto;
  border: 1px solid #6c8393;
  border-radius: 6px;
  padding: 8px;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 10px 28px rgb(0 0 0 / 28%);
}

.table-column-context-menu[hidden] {
  display: none;
}

.table-column-context-menu label {
  display: flex;
  gap: 7px;
  align-items: flex-start;
  border-radius: 4px;
  padding: 4px 5px;
  cursor: pointer;
}

.table-column-context-menu label:hover {
  background: var(--soft);
}

.table-column-context-menu button {
  border: 1px solid #78909f;
  border-radius: 4px;
  padding: 5px 8px;
  color: #173754;
  background: #fff;
  font: inherit;
  cursor: pointer;
  text-align: left;
}

.table-column-context-menu button:hover:not(:disabled) {
  background: #e5f1f5;
}

.table-column-context-menu button:disabled {
  color: #7c8790;
  cursor: not-allowed;
}

.context-menu-heading {
  color: var(--brand);
  font-weight: 700;
}

.context-menu-divider {
  height: 1px;
  margin: 3px 0;
  background: var(--line);
}

.source-links {
  white-space: nowrap;
}

.source-local {
  display: inline-block;
  border: 1px solid #4c8f75;
  border-radius: 4px;
  padding: 2px 5px;
  color: #174d3a;
  background: #e7f6ef;
  font-weight: 650;
}

.source-links a + a::before {
  content: " · ";
  color: var(--muted);
}

.footer {
  max-width: 82ch;
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.table-section {
  margin-top: 28px;
}

code {
  border-radius: 3px;
  padding: 1px 4px;
  background: #edf2f5;
}

@media (max-width: 760px) {
  .layout,
  .layout.nav-collapsed {
    grid-template-columns: 66px minmax(0, 1fr);
  }

  .brand-text,
  .nav-label,
  .toggle-label {
    display: none;
  }

  .main {
    padding: 12px 10px 28px;
  }

  .hero,
  .panel {
    min-width: min(100%, 320px);
  }
}