/* viz-pow-register — minimal, no framework. */
* { box-sizing: border-box; }
body {
  margin: 0; padding: 2rem 1rem;
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1a1a1a; background: #f4f6f8;
}
.wrap { max-width: 520px; margin: 0 auto; }
h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 0 0 .5rem; }
.lead { color: #556; margin: 0 0 1.5rem; }
.card {
  background: #fff; border: 1px solid #e2e6ea; border-radius: 10px;
  padding: 1.25rem; margin-bottom: 1.25rem;
}
.field { display: block; margin-bottom: .5rem; }
.field span { display: block; font-size: .85rem; color: #667; margin-bottom: .25rem; }
input[type=text] {
  width: 100%; padding: .6rem .75rem; font-size: 1rem;
  border: 1px solid #cfd6dc; border-radius: 8px; background: #fbfcfd;
}
input[type=text]:focus { outline: none; border-color: #2b7de9; }
.button {
  margin-top: .75rem; padding: .6rem 1.25rem; font-size: 1rem; cursor: pointer;
  color: #fff; background: #2b7de9; border: 0; border-radius: 8px;
}
.button[disabled] { opacity: .5; cursor: default; }
.hint { color: #c0392b; font-size: .85rem; min-height: 1em; margin: .35rem 0 0; }
.error { color: #c0392b; font-size: .9rem; margin: .35rem 0 0; }
.note { color: #889; font-size: .8rem; margin: .75rem 0 0; }
.warn { color: #b9770e; font-size: .85rem; }
.submit-button-ring {
  width: 1rem; height: 1rem; margin-left: .5rem; vertical-align: middle;
  border: 2px solid #bcd; border-top-color: #2b7de9; border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
dl { margin: .5rem 0 0; }
dt { font-size: .8rem; color: #778; margin-top: .6rem; }
dd { margin: .1rem 0 0; word-break: break-all; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }