:root {
  --bg-mint: #cfe3d4;
  --white: #ffffff;
  --ink: #1a1a1a;
  --border-ink: #1a1a1a;
  --yellow: #f6d35a;
  --yellow-active: #f2c53f;
  --grey-disabled-bg: #eceeec;
  --grey-disabled-ink: #a9aeac;
  --link-blue: #1f5fbf;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg-mint);
}

button {
  font-family: inherit;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--white);
  border-bottom: 2px solid var(--border-ink);
}

.app-header a,
.app-header .header-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

.icon-circle {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.btn-pill {
  padding: 12px 32px;
  border-radius: 999px;
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.btn-pill:disabled {
  background: var(--grey-disabled-bg);
  color: var(--grey-disabled-ink);
  cursor: not-allowed;
}

.btn-pill.enabled {
  background: var(--yellow);
  color: var(--ink);
}

.btn-pill.enabled:hover {
  background: var(--yellow-active);
}

.btn-pill.enabled:active {
  transform: translateY(1px);
}

.centered-page {
  min-height: calc(100vh - 51px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 24px 24px;
  text-align: center;
}

.centered-page h1 {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 400;
  margin: 8px 0 20px;
}

.centered-page p {
  font-size: 16px;
  margin: 4px 0;
  max-width: 560px;
}

.footer-note {
  margin-top: auto;
  padding: 24px 0;
  font-size: 15px;
}

.footer-note a {
  color: var(--link-blue);
}