:root { --paper: #f4f3ed; --ink: #171916; --muted: #65685f; --line: #d7d8d0; --forest: #234b3b; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; letter-spacing: 0; }
main { display: grid; min-height: 100svh; place-items: center; padding: 24px; }
.unsubscribe-panel { width: min(100%, 540px); padding: clamp(30px, 7vw, 58px); border: 1px solid var(--line); background: #fff; }
.eyebrow { margin: 0 0 18px; color: var(--muted); font-family: "Courier New", monospace; font-size: 0.68rem; text-transform: uppercase; }
h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.6rem, 10vw, 4.6rem); font-weight: 500; line-height: 0.95; }
#unsubscribe-copy { margin: 24px 0; color: var(--muted); font-size: 0.9rem; line-height: 1.6; }
button { width: 100%; min-height: 50px; border: 0; background: var(--forest); color: #fff; font: inherit; font-size: 0.78rem; font-weight: 700; cursor: pointer; }
button:disabled { cursor: default; opacity: 0.55; }
.status { min-height: 22px; margin: 16px 0 0; font-size: 0.78rem; font-weight: 700; line-height: 1.45; }
.status.is-error { color: #8c2929; }
.support { margin: 34px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.72rem; }
.support a { color: var(--ink); font-weight: 700; }
@media (max-width: 520px) {
  main { padding: 0; }
  .unsubscribe-panel { min-height: 100svh; padding: 48px 22px; border: 0; }
}