:root {
  color-scheme: light;
  --bg: #eef2f7;
  --surface: #ffffff;
  --text: #101418;
  --muted: #4a5568;
  --accent: #0a5d8f;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  background: radial-gradient(circle at top left, #d5e7f7 0%, var(--bg) 45%, #f7fbff 100%);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #dce3ed;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(6px);
}

.brand {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.shell {
  max-width: 48rem;
  margin: 2rem auto;
  background: var(--surface);
  border: 1px solid #dce3ed;
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 24px 50px rgba(10, 20, 30, 0.08);
}

h1 {
  margin-top: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--accent);
}

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

.stack {
  display: grid;
  gap: 0.85rem;
}

.panel {
  border: 1px solid #dce3ed;
  border-radius: 14px;
  padding: 1rem;
  background: #f8fbff;
  margin-top: 1rem;
}

.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  align-items: end;
}

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

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

th,
td {
  text-align: left;
  border-bottom: 1px solid #dde6ef;
  padding: 0.55rem;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  background: #d8e8f5;
  color: #0a4060;
  font-size: 0.85rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.stat-card {
  border: 1px solid #dce3ed;
  border-radius: 14px;
  padding: 1rem;
  background: #f8fbff;
}

.metric {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0;
}

.kv-grid {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 0.4rem 1rem;
}

.kv-grid dt {
  font-weight: 700;
}

.kv-grid dd {
  margin: 0;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
}

input,
select,
button {
  font: inherit;
}

input {
  border: 1px solid #c7d5e5;
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
}

select {
  border: 1px solid #c7d5e5;
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  background: #fff;
}

button {
  width: fit-content;
  border: 0;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}