:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2933;
  background: #f4f5f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: #f4f5f7;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-panel {
  width: min(100%, 360px);
  padding: 32px;
  background: #fff;
  border: 1px solid #d8dde3;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(31, 41, 51, .08);
}

h1 {
  margin: 0 0 24px;
  font-size: 24px;
  font-weight: 600;
}

label {
  display: block;
  margin: 16px 0 6px;
  font-size: 14px;
  font-weight: 600;
}

input {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid #aeb7c2;
  border-radius: 5px;
  font: inherit;
}

input:focus {
  border-color: #4b5563;
  outline: 2px solid rgba(75, 85, 99, .18);
}

button {
  width: 100%;
  min-height: 42px;
  margin-top: 24px;
  border: 0;
  border-radius: 5px;
  color: #fff;
  background: #27313d;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover { background: #111827; }

.validation {
  margin-bottom: 12px;
  color: #b42318;
  font-size: 14px;
}

.validation ul { margin: 0; padding-left: 20px; }

.setup-panel { width: min(100%, 420px); }

.auth-help {
  margin: 0 0 16px;
  color: #52606d;
  font-size: 14px;
  line-height: 1.5;
}

.auth-qr {
  display: block;
  width: min(100%, 260px);
  height: auto;
  margin: 20px auto;
  padding: 10px;
  background: #fff;
  border: 1px solid #d8dde3;
}

.manual-key {
  margin: 12px 0 20px;
  font-size: 14px;
}

.manual-key code {
  display: block;
  margin-top: 10px;
  padding: 10px;
  overflow-wrap: anywhere;
  background: #f4f5f7;
  border-radius: 5px;
}