:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182230;
  background: #f3f6fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 28px 14px;
}

.container {
  width: min(100%, 980px);
  margin: 0 auto;
  background: #fff;
  border: 1px solid #dfe6f2;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(17, 35, 62, 0.07);
  padding: 24px;
}

.eyebrow {
  color: #2459a9;
  font-size: .76rem;
  font-weight: 750;
  letter-spacing: .09em;
}

h1 {
  margin: 8px 0 6px;
}

.subtitle {
  color: #586579;
}

.panel {
  margin-top: 18px;
  border: 1px solid #e4ebf6;
  border-radius: 10px;
  padding: 16px;
}

.inline-note {
  margin-top: 10px;
  color: #334763;
}

.grid-form {
  display: grid;
  gap: 10px;
}

label {
  margin-top: 4px;
  font-weight: 650;
}

input,
select,
button {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #c9d4e6;
  padding: 10px 11px;
  font: inherit;
}

input:focus,
select:focus {
  outline: 3px solid #c7dcff;
  border-color: #2459a9;
}

button {
  background: #2459a9;
  color: #fff;
  border: 0;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #194583;
}

.message {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 8px;
}

.error {
  background: #fff0ef;
  color: #8c1c13;
  border: 1px solid #ffd3cf;
}

.success {
  background: #edf9f0;
  border: 1px solid #b9e6c4;
}

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

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

th,
td {
  border: 1px solid #e6ebf5;
  padding: 7px;
  text-align: left;
  font-size: .92rem;
}

th {
  background: #f5f8fe;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.metric-card {
  border: 1px solid #e3e9f3;
  border-radius: 10px;
  padding: 10px;
  background: #fafcff;
}

.metric-name {
  margin: 0;
  color: #586579;
  font-size: .9rem;
}

.metric-value {
  margin: 6px 0 0;
  font-weight: 800;
  font-size: 1.15rem;
}

.result h3 {
  margin-top: 12px;
}

ul {
  margin: 8px 0 0;
  padding-left: 18px;
}