:root {
  --bg-main: #0f172a;
  --bg-header-footer: #1e293b;
  --text-main: #d1d5db;
  --link-color: #38bdf8;
  --link-hover: #f43f5e;
}

/* Base style for all text links */
a {
  color: var(--link-color);
  text-decoration: underline;
}

/* Hover state for text links */
a:hover {
  color: var(--link-hover);
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: system-ui, -apple-system, sans-serif;
  }

code {
  background-color: #172033;
  padding: 2px 4px;
  border-radius: 3px;
}

header {
  background-color: var(--bg-header-footer);
  }

footer {
  background-color: var(--bg-header-footer);
  }

table {
  border-spacing: 0;
}

/* Table header cells and table data cells */
th,
td {
  padding: 0px 12px;
  text-align: left;
}

form {
  max-width: 700px;
}

fieldset {
  margin: 24px 0;
  padding: 16px;
  border: 1px solid var(--text-main);
}

legend {
  padding: 0 8px;
}

input,
select,
textarea {
  box-sizing: border-box;
  width: 100%;
  margin-top: 4px;
  padding: 8px;
  background-color: #172033;
  color: var(--text-main);
  border: 1px solid #64748b;
  border-radius: 3px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--link-color);
  outline-offset: 1px;
}

input[type="radio"] {
  width: auto;
  margin-right: 4px;
}

button {
  padding: 8px 16px;
  background-color: var(--link-color);
  color: #0f172a;
  border: 0;
  border-radius: 3px;
  font: inherit;
  cursor: pointer;
}

button:hover {
  background-color: var(--link-hover);
}