body {
  min-height: 100vh;
  background: radial-gradient(1000px 540px at 50% -8%, #48cb4f22, transparent 64%), var(--color-background-secondary);
  display: grid;
  place-items: center;
  padding: 20px;
}

.shell {
  width: min(94vw, 620px);
  border: 1px solid var(--color-card-border);
  background: var(--color-card-bg);
  border-radius: 6px;
  padding: 32px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.shell.shell-wide {
  width: min(94vw, 760px);
}

.topbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.theme-picker {
  width: 165px;
  font-size: 0.85rem;
}

.brand {
  display: grid;
  justify-items: center;
  text-align: center;
  margin-bottom: 16px;
}

.brand img {
  width: 78px;
  height: 78px;
  object-fit: contain;
}

.brand-title {
  margin-top: 8px;
  font-size: 24px;
  letter-spacing: 0.3px;
  color: var(--color-text-primary);
}

.brand-title .identity {
  background: linear-gradient(90deg, #d39bff 0%, #b164ff 45%, #7f3bff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.2px;
}

h1 {
  margin: 0 0 6px;
  font-size: 30px;
  text-align: center;
}

p.sub {
  margin: 0 0 24px;
  color: var(--color-text-tertiary);
  text-align: center;
}

button, a.button {
  margin-top: 16px;
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 0.55rem 0.9rem;
  border-radius: 2px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

button.primary {
  background: var(--color-button-primary-bg);
  color: var(--color-button-primary-text);
}

button.primary:hover {
  background: var(--color-button-primary-hover-bg);
}

a.secondary {
  background: var(--color-button-secondary-bg);
  color: var(--color-button-secondary-text);
}

a.secondary:hover {
  background: var(--color-button-secondary-hover-bg);
}

a.switch {
  display: inline-block;
  margin-top: 16px;
  color: var(--color-highlight-secondary);
  text-decoration: none;
}

.status {
  margin-top: 14px;
  min-height: 20px;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.status.error { color: var(--color-button-danger-bg); }
.status.ok { color: var(--color-highlight-secondary); }

@media (max-width: 520px) {
  .shell { padding: 20px; }
  .brand img { width: 64px; height: 64px; }
  .brand-title { font-size: 20px; }
  h1 { font-size: 24px; }
}