:root {
  --blue: #007aff; /* Modern vibrant blue */
  --white: #f5f5f5; /* Soft white for better contrast */
  --burnt-orange: rgb(179, 74, 34); /* Rich, warm orange */
  --black: #121212; /* Deep black for dark themes */
  --grey: #6c757d; /* Muted grey for text */
  --light-grey: #adb5bd; /* Soft grey for UI elements */
  --lighter-grey: #dee2e6; /* Near-white for backgrounds */
  --wheat: rgb(230, 230, 200);

  --night-sky: rgb(28, 42, 75);
  --sky: rgb(170, 230, 230);
  --deep-sky: rgb(100, 175, 190);

  --text-lg: 1.125rem;
  --text-lg--line-height: calc(1.75 / 1.125);
}

html {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--black);
  font-size: 18px;
}
body {
  margin: 0px !important;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1000px) {
  main {
    width: 50%;
    margin: 2rem;
    margin-inline: auto;
    flex: 1 0 auto;
  }
}

.spinner {
  display: none;
}

.spinner.htmx-request {
  display: inline-block;
}

h1 {
  margin-bottom: 1rem;
  margin-top: 2rem;
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--burnt-orange);
}

h2 {
  margin-bottom: 1rem;
  margin-top: 2rem;
  font-size: 2rem;
  line-height: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--night-sky);
}

p {
  font-size: var(--text-lg); /* 1.125rem (18px) */
  line-height: var(--text-lg--line-height); /* calc(1.75 / 1.125) */
}

ul {
  margin-top: 0.5rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  list-style-type: disc;
  list-style-position: inside;
}

.header-highlight {
  font-size: 2.5rem;
  color: var(--night-sky);
}

.footer-body {
  color: var(--night-sky);
}

input[type="text"] {
  padding: 0.5rem;
  margin: 0.5rem;
  font-size: 1rem;
  line-height: 1.5rem;
  border: 1px solid var(--light-grey);
  border-radius: 0.25rem;
}

button {
  padding: 0.5rem 1rem;
  margin: 0.5rem;
  font-size: 1rem;
  line-height: 1.5rem;
  border: none;
  border-radius: 0.25rem;
  background-color: var(--blue);
  color: var(--white);
  cursor: pointer;
}