:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f8fb;
  color: #18202a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid #d9e0ea;
}

.eyebrow {
  margin: 0 0 8px;
  color: #006b7f;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.summary {
  max-width: 620px;
  margin-bottom: 0;
  color: #53606d;
  font-size: 1.08rem;
  line-height: 1.5;
}

.commands {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.commands span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid #cdd7e2;
  border-radius: 6px;
  padding: 6px 10px;
  background: #ffffff;
  color: #344253;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding-top: 28px;
}

article {
  min-height: 280px;
  border: 1px solid #d9e0ea;
  border-radius: 8px;
  padding: 20px;
  background: #ffffff;
}

.list {
  display: grid;
  gap: 10px;
  color: #53606d;
}

.item {
  border-top: 1px solid #edf1f5;
  padding-top: 10px;
}

.item:first-child {
  border-top: 0;
  padding-top: 0;
}

.item strong {
  display: block;
  color: #18202a;
}

.item small {
  display: block;
  line-height: 1.45;
  color: #657382;
}

.admin-panel {
  grid-column: 1 / -1;
  min-height: 0;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(140px, 0.4fr) minmax(300px, 1.1fr) minmax(260px, 0.9fr);
  gap: 12px;
  align-items: end;
}

.admin-action,
.result-form {
  display: grid;
  gap: 12px;
}

.result-form {
  grid-template-columns: minmax(84px, 0.45fr) minmax(96px, 0.45fr) minmax(120px, 0.35fr);
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: #53606d;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

input,
select,
button {
  min-height: 40px;
  border-radius: 6px;
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid #cdd7e2;
  padding: 8px 10px;
  background: #ffffff;
  color: #18202a;
}

button {
  border: 0;
  padding: 8px 14px;
  background: #006b7f;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #005366;
}

.status {
  min-height: 22px;
  margin-top: 14px;
  color: #3d4b59;
  font-size: 0.9rem;
}

.status.error {
  color: #a33131;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 24px, 1120px);
    padding: 28px 0;
  }

  .intro,
  .grid {
    grid-template-columns: 1fr;
  }

  .commands {
    justify-content: flex-start;
  }

  .admin-grid,
  .result-form {
    grid-template-columns: 1fr;
  }
}