/* Unsubscribe pages on each client's own domain (docs/email_2way_phase1.md §19). Neutral on purpose: the page speaks
   for the client's brand only, so nothing here names or styles it as Lead2Case. */
:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #16181d;
  --ink-soft: #5b6270;
  --line: rgba(22, 24, 29, 0.08);
  --ok-wash: #e8f6ee;
  --ok: #1f7a4a;
  --warn-wash: #fdf3e2;
  --warn: #8a5a0b;
  --btn: #16181d;
  --btn-ink: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --card: #1a1d23;
    --ink: #eef0f3;
    --ink-soft: #a3a9b4;
    --line: rgba(238, 240, 243, 0.1);
    --ok-wash: #16301f;
    --ok: #7fd3a1;
    --warn-wash: #33270f;
    --warn: #e9c27a;
    --btn: #eef0f3;
    --btn-ink: #111317;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main {
  width: 100%;
  max-width: 440px;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  text-align: center;
}
h1 { margin: 16px 0 0; font-size: 20px; line-height: 1.3; letter-spacing: -0.01em; }
p { margin: 8px 0 0; color: var(--ink-soft); }
.mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--line);
  font-size: 22px;
}
.mark.ok { background: var(--ok-wash); color: var(--ok); }
.mark.warn { background: var(--warn-wash); color: var(--warn); }
button {
  margin-top: 24px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.primary { background: var(--btn); color: var(--btn-ink); border-color: var(--btn); }
button:disabled { opacity: 0.6; cursor: default; }
.spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto;
  border: 3px solid var(--line);
  border-top-color: var(--ink-soft);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
[hidden] { display: none !important; }