/* The sandbox sign-in check page. Plain CSS, loaded as a file (the HTML CSP allows style-src 'self' only). */

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #5b6676;
  --border: #d9dee6;
  --accent: #2458c6;
  --accent-text: #ffffff;
  --ok: #1f7a4d;
  --warn: #9a5b00;
  --error: #b42318;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --panel: #1b2129;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --border: #2d3540;
    --accent: #6f9bff;
    --accent-text: #0c1320;
    --ok: #5cc98f;
    --warn: #f0b75a;
    --error: #ff8a80;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[hidden] {
  display: none !important;
}

.shell {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}

.masthead h1 {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.75rem;
  line-height: 1.2;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede,
.muted {
  color: var(--muted);
}

.panel {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.panel h3 {
  margin: 1.5rem 0 0.25rem;
  font-size: 1rem;
}

.panel.error h2 {
  color: var(--error);
}

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
  margin: 0;
}

.facts dt {
  color: var(--muted);
}

.facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.note {
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--warn);
  background: color-mix(in srgb, var(--warn) 10%, transparent);
}

.ok {
  color: var(--ok);
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.button {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 0.375rem;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

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