:root {
  color-scheme: light;
  --bg: #fafafa;
  --surface: #fff;
  --fg: #18181b;
  --muted: #71717a;
  --border: #e4e4e7;
  --primary: #18181b;
  --on-primary: #fafafa;
  --danger: #b91c1c;
  --focus: #52525b;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #09090b;
  --surface: #18181b;
  --fg: #fafafa;
  --muted: #a1a1aa;
  --border: #3f3f46;
  --primary: #fafafa;
  --on-primary: #18181b;
  --danger: #f87171;
  --focus: #a1a1aa;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  font-size: 15px;
}
header {
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: var(--surface);
}
.brand {
  font-weight: 650;
  text-decoration: none;
  color: var(--fg);
}
.theme {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.theme select {
  width: auto;
  padding: 6px 10px;
}
main {
  max-width: 800px;
  margin: 50px auto;
  padding: 0 24px;
}
.intro {
  margin-bottom: 32px;
  max-width: 640px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 650;
  color: var(--muted);
}
h1 {
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 650;
  margin: 12px 0 18px;
}
h2 {
  font-size: 19px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
h3 {
  font-size: 15px;
  margin: 0;
}
p {
  margin: 8px 0 20px;
}
p,
.muted {
  color: var(--muted);
}
.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin: 20px 0;
  background: var(--surface);
  box-shadow: 0 1px 2px #00000004;
}
button,
input,
select {
  font: inherit;
}
button {
  background: var(--primary);
  color: var(--on-primary);
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 550;
  padding: 9px 16px;
  cursor: pointer;
  min-height: 40px;
}
button.secondary {
  color: var(--fg);
  border-color: var(--border);
  background: var(--surface);
}
button.danger {
  background: var(--danger);
  color: var(--bg);
}
button:disabled {
  opacity: 0.5;
  cursor: wait;
}
input,
select {
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 10px 12px;
  width: 100%;
  min-height: 40px;
}
label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin: 16px 0;
}
label input,
label select {
  margin-top: 6px;
}
.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
}
.check input {
  width: 16px;
  min-height: 16px;
  height: 16px;
  margin-top: 5px;
  flex-shrink: 0;
}
#register,
#connect {
  display: grid;
  gap: 20px;
}
#register > label,
#connect > label,
#connect > p {
  margin: 0;
}
#activationStep h2 {
  margin-bottom: 20px;
}
#activationCheck,
#signinCheck {
  min-height: 65px;
}
#alreadyActivated,
#useActivation {
  margin-top: 16px;
}
a {
  color: inherit;
  text-underline-offset: 3px;
}
details {
  margin-top: 24px;
}
summary {
  cursor: pointer;
  color: var(--muted);
}
.row,
.actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}
.actions {
  justify-content: flex-start;
}
.calendar {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  margin: 14px 0;
}
.permissions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}
.permissions label {
  margin: 6px 0;
  font-size: 13px;
}
code {
  display: block;
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 6px;
  overflow-wrap: anywhere;
  font-size: 13px;
  margin-bottom: 16px;
}
#message {
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  padding: 14px;
  color: var(--fg);
}
#message[data-error="true"] {
  border-color: var(--danger);
  color: var(--danger);
}
footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 24px;
}
*:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
[hidden] {
  display: none !important;
}
@media (max-width: 550px) {
  header {
    padding: 16px;
    flex-wrap: wrap;
  }
  main {
    margin: 30px auto;
    padding: 0 16px;
  }
  h1 {
    font-size: 30px;
  }
  .card {
    padding: 20px;
  }
  .permissions {
    grid-template-columns: 1fr;
  }
  .theme {
    margin: 0;
  }
}