:root {
  --bg: #f8fafc;
  --ink: #111827;
  --muted: #64748b;
  --line: #d7dee8;
  --panel: #ffffff;
  --primary: #111827;
  --secondary: #0f766e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  align-items: center;
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 28px;
}

.brand {
  font-weight: 800;
}

nav {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.shell {
  margin: 0 auto;
  max-width: 1120px;
  padding: 36px 24px;
}

.hero {
  align-items: center;
  display: grid;
  min-height: 360px;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.05;
  margin: 8px 0 16px;
  max-width: 820px;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  max-width: 680px;
}

.eyebrow {
  color: var(--secondary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0;
  text-transform: uppercase;
}

.actions,
.inline-form {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  min-height: 40px;
  padding: 9px 14px;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

article,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

h1,
h2 {
  line-height: 1.15;
  margin: 0 0 12px;
}

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

.page-head,
.section-head {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.list {
  display: grid;
  gap: 10px;
}

.row {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 14px;
}

small {
  color: var(--muted);
  display: block;
}

.empty,
.flash {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 16px;
}

.flash-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.flash.success {
  border-color: #86efac;
  color: #166534;
}

.flash.error {
  border-color: #fca5a5;
  color: #991b1b;
}

.form {
  display: grid;
  gap: 14px;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 14px;
  gap: 6px;
}

.help {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.field-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px;
}

.field-group legend {
  color: var(--muted);
  font-size: 14px;
  padding: 0 6px;
}

.checkbox {
  align-items: center;
  display: flex;
  gap: 8px;
}

.checkbox input {
  min-height: auto;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  min-height: 40px;
  padding: 8px 10px;
}

.metric {
  color: var(--ink);
  font-size: 32px;
  font-weight: 800;
  margin: 0;
}

.secret {
  background: #0f172a;
  border-radius: 8px;
  color: #d1fae5;
  overflow: auto;
  padding: 16px;
}

.registrar {
  margin: 0 auto;
  max-width: 960px;
  padding: 40px 24px;
}

.search-box {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 8px;
  max-width: 620px;
  padding: 8px;
}

.search-box input {
  border: 0;
  flex: 1;
}

.result {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  margin-top: 16px;
  max-width: 620px;
  padding: 16px;
}

@media (max-width: 760px) {
  .topbar,
  .page-head,
  .row,
  .search-box {
    align-items: stretch;
    flex-direction: column;
  }

  .grid.three {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 34px;
  }
}