/* The admin site's page (admin/index.html): the account page's colours (client/src/account.css), dark and plain. */
:root {
  --space: #05060b;
  --panel: #0b1120;
  --edge: #22304a;
  --field: #070b16;
  --ink: #d7e3f2;
  --ink-quiet: #8397af;
  --accent: #ffb454;
  --good: #7fe0a8;
  --warn: #ff7a6b;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 32px 16px;
  background: radial-gradient(ellipse at 70% 15%, #0f1830 0%, var(--space) 60%);
  background-color: var(--space);
  color: var(--ink);
  font: 15px/1.55 ui-monospace, 'Cascadia Mono', Consolas, monospace;
}

.card {
  width: 100%;
  max-width: 440px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--edge);
  box-shadow: 0 0 0 4px var(--space), 0 12px 40px rgb(0 0 0 / 60%);
}

header {
  margin-bottom: 20px;
}

header p {
  margin: 0;
}

.brand {
  color: var(--accent);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h2 {
  margin: 0 0 12px;
  font-size: 17px;
}

p {
  margin: 0 0 12px;
}

a {
  color: var(--accent);
}

.quiet {
  color: var(--ink-quiet);
}

.small {
  font-size: 13px;
}

.notice {
  padding: 8px 10px;
  border: 1px solid currentColor;
  color: var(--good);
}

label {
  display: block;
  margin-bottom: 12px;
  color: var(--ink-quiet);
}

input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  background: var(--field);
  border: 1px solid var(--edge);
  color: var(--ink);
  font: inherit;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Codes read like the app shows them. */
input.code {
  letter-spacing: 0.3em;
}

.hint {
  margin: -6px 0 12px;
  color: var(--ink-quiet);
  font-size: 13px;
}

.error {
  color: var(--warn);
}

/* The key in groups of four, large enough to type from, and easy to select whole. */
.secret {
  padding: 12px;
  background: var(--field);
  border: 1px solid var(--edge);
  color: var(--ink);
  font-size: 18px;
  letter-spacing: 0.08em;
  word-spacing: 0.4em;
  overflow-wrap: anywhere;
  user-select: all;
}

button {
  display: inline-block;
  padding: 9px 18px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--space);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

button:disabled {
  opacity: 0.6;
  cursor: progress;
}

button.secondary {
  background: none;
  color: var(--ink);
  border-color: var(--edge);
}

#who {
  color: var(--accent);
}