:root {
  color-scheme: light;
  --bg: #f2f5f9;
  --surface: #ffffff;
  --surface-alt: #eef4fb;
  --line: #d2dbe6;
  --text: #1d2a39;
  --text-muted: #60748a;
  --brand: #1766d0;
  --brand-dark: #0f4c9c;
  --danger: #b02a37;
  --radius: 12px;
  --shadow: 0 10px 20px rgb(17 40 77 / 7%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top right, #dce9fa 0%, var(--bg) 45%);
  color: var(--text);
}

.container {
  width: min(1100px, 100% - 2rem);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.hero {
  padding: 0.75rem 0.25rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-dark);
  font-size: 0.75rem;
  font-weight: 700;
}

h1 {
  margin: 0.2rem 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  max-width: 70ch;
}

h2 {
  margin: 0;
  font-size: 1.1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack {
  display: grid;
  gap: 0.75rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.field input,
.field select,
button {
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 0.62rem 0.72rem;
  font: inherit;
  color: var(--text);
}

.field input:focus,
.field select:focus,
button:focus {
  outline: 2px solid #9cc0f2;
  outline-offset: 1px;
}

button {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: var(--brand-dark);
}

button.ghost {
  background: white;
  color: var(--text);
  border-color: var(--line);
}

button.ghost:hover {
  background: var(--surface-alt);
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.grow {
  flex: 1;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.actions {
  display: flex;
  gap: 0.5rem;
}

.summary-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.summary-grid dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.summary-grid dd {
  margin: 0.12rem 0 0;
  font-weight: 650;
  word-break: break-word;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

th,
td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mono {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

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

.hidden {
  display: none;
}

.error {
  color: var(--danger);
}

@media (max-width: 900px) {
  .two-up {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-row {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
}