:root {
  --bg: #e8f1fb;
  --bg2: #f5f9ff;
  --panel: #ffffffee;
  --line: #bfd0e3;
  --text: #1f3349;
  --muted: #587089;
  --accent: #2b6fb4;
  --accent-soft: #eaf3ff;
  --row: #f7fbff;
  --row-2: #eef5ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Trebuchet MS", "Verdana", sans-serif;
  background:
    radial-gradient(circle at 16% 8%, #d9e9fb 0%, transparent 38%),
    radial-gradient(circle at 84% 2%, #e2f3e3 0%, transparent 24%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  min-height: 100vh;
}

.topbar {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #f8fbff 0%, #eaf3ff 100%);
}

.kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: #4f7196;
}

.kicker a:link,
.kicker a:visited,
.kicker a:active {
  color: inherit;
  text-decoration: none !important;
}

.kicker a:hover,
.kicker a:focus-visible {
  text-decoration: underline;
}

.intro {
  margin: 0.2rem 0.2rem 0.8rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid #c2d6eb;
  border-radius: 10px;
  background: #f5f9ff;
  color: #2a4f79;
  font-size: 0.94rem;
  line-height: 1.4;
}

.intro a:link,
.intro a:visited {
  color: var(--accent);
}

.intro a:hover,
.intro a:focus-visible {
  color: #1f5f9e;
}

h1 {
  margin: 0.25rem 0 0;
  font-size: 1.8rem;
  font-family: "Arial Black", "Impact", sans-serif;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #23476f;
}

.layout {
  padding: 1rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: inset 0 1px 0 #ffffff, 0 12px 24px #8fa7c52e;
}

.panel.content {
  padding: 0.8rem;
  background: linear-gradient(180deg, #f8fcffed 0%, #eaf5ffed 55%, #e4f2e8ed 100%);
  border-color: #b7cde0;
}

.table-toolbar {
  padding: 0.2rem 0.2rem 0.7rem;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.table-shell {
  border: 1px solid #c2d6eb;
  border-radius: 10px;
  overflow: auto;
  background: #f7fbff;
  max-height: calc(100vh - 180px);
}

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

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(180deg, #eef6ff, #deebfb);
  border-bottom: 1px solid #bcd0e7;
  padding: 0;
  text-align: left;
}

.sort-btn {
  width: 100%;
  border: 0;
  background: transparent;
  color: #244d78;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
  text-align: left;
  padding: 0.62rem 0.7rem;
  cursor: pointer;
}

.sort-btn:hover {
  background: #e6f1ff;
}

.sort-btn.active {
  color: var(--accent);
}

tbody tr:nth-child(odd) {
  background: var(--row);
}

tbody tr:nth-child(even) {
  background: var(--row-2);
}

tbody tr:hover {
  background: var(--accent-soft);
}

tbody td {
  border-bottom: 1px solid #d3e1f1;
  padding: 0.52rem 0.7rem;
  font-size: 0.92rem;
  white-space: nowrap;
}

tbody td.wrap {
  white-space: normal;
  min-width: 200px;
}

.error {
  color: #8a2d2d;
  font-weight: 700;
}