:root {
  --ace-logo-color: #da3434;
  --text: #1f2933;
  --muted: #6b7785;
  --border: #e4e7eb;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #f7f8fa;
}

.card {
  width: 100%;
  max-width: 30rem;
  padding: 2.5rem 2rem;
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.06);
}

.logo {
  width: 6rem;
  height: 6rem;
}

.brand {
  margin: 1rem 0 0;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand a {
  color: var(--ace-logo-color);
  text-decoration: none;
}

.brand a:hover,
.brand a:focus-visible {
  text-decoration: underline;
}

.label {
  margin: 1.75rem 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.id {
  margin: 0;
  font-size: 2rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.error {
  margin: 1.75rem 0 0;
  font-size: 1.05rem;
  color: var(--ace-logo-color);
}

.login {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.login h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.login .error {
  margin-top: 0;
}

.login a {
  color: var(--text);
  word-break: break-all;
}

.note {
  margin: 2rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}