/* Dedicated to /gmail: no shared portal, claim or admin selectors. */
:root {
  color-scheme: dark;
  --redeem-bg: #080e1b;
  --redeem-panel: #101a2b;
  --redeem-surface: #142139;
  --redeem-line: #30415b;
  --redeem-text: #f3f6fc;
  --redeem-muted: #a5b5cd;
  --redeem-blue: #2864df;
  --redeem-accent: #a6c6ff;
}
* { box-sizing: border-box; }
body.redeem-only-page {
  margin: 0;
  min-height: 100svh;
  color: var(--redeem-text);
  background: radial-gradient(ellipse at 25% 10%, #152744 0, transparent 55%), var(--redeem-bg);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
.redeem-only-shell {
  width: min(1080px, calc(100% - 64px));
  min-height: 100svh;
  margin: 0 auto;
  padding: 48px 0 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.redeem-masthead { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; font-size: 15px; font-weight: 650; letter-spacing: .04em; }
.redeem-mark { display: grid; place-items: center; width: 36px; height: 36px; color: var(--redeem-accent); }
.redeem-mark svg { width: 30px; height: 30px; stroke: currentColor; stroke-width: 1.6; }
.redeem-masthead-divider { margin: 0 14px; color: #8092ae; font-weight: 400; }
.redeem-masthead-en { color: var(--redeem-muted); font-size: 11px; letter-spacing: .18em; }
.redeem-only-card { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); border: 1px solid var(--redeem-line); border-radius: 24px; overflow: hidden; background: var(--redeem-panel); box-shadow: 0 28px 80px #0004; }
.redeem-entry { min-width: 0; padding: 48px; }
.redeem-only-kicker { color: var(--redeem-accent); font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.redeem-heading h1 { margin: 16px 0 14px; font-size: clamp(32px, 3.6vw, 46px); font-weight: 700; line-height: 1.25; letter-spacing: -.04em; }
.redeem-heading p { margin: 0; color: var(--redeem-muted); font-size: 15px; }
#redeem-form { margin-top: 34px; }
#redeem-form label { display: block; margin-bottom: 10px; font-size: 14px; font-weight: 650; }
#redeem-form .input { width: 100%; min-width: 0; height: 60px; padding: 0 18px; border: 1px solid #526785; border-radius: 10px; background: #0a1323; color: var(--redeem-text); font: 500 16px/1.5 Consolas, "Microsoft YaHei", monospace; outline: none; }
#redeem-form .input::placeholder { color: var(--redeem-muted); opacity: 1; font-size: 14px; }
#redeem-form .input:focus { border-color: var(--redeem-accent); outline: 3px solid #a6c6ff38; outline-offset: 2px; }
#redeem-form .button { display: block; width: 100%; min-height: 58px; margin-top: 14px; padding: 14px 20px; border: 1px solid #4c84ef; border-radius: 10px; color: #fff; background: var(--redeem-blue); font: 650 16px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif; cursor: pointer; transition: background .15s; }
#redeem-form .button:hover { background: #225bcc; }
#redeem-form .button:focus-visible { outline: 3px solid var(--redeem-accent); outline-offset: 4px; }
#redeem-form .button:disabled { color: #b9c9df; border-color: #49607d; background: #273851; cursor: wait; }
.redeem-retrieve-note { margin: 12px 0 0; color: var(--redeem-muted); font-size: 12px; }
.redeem-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--redeem-line); color: #d7e3f5; font-size: 13px; }
.redeem-flow [aria-hidden] { color: var(--redeem-accent); }
.redeem-send-note { margin: 10px 0 0; color: var(--redeem-muted); font-size: 12px; line-height: 1.8; }
.redeem-guide { min-width: 0; padding: 40px 32px; border-left: 1px solid var(--redeem-line); background: #0d1728; }
.redeem-guide h2 { margin: 0; font-size: 16px; font-weight: 650; }
.redeem-guide-intro { margin: 6px 0 22px; color: var(--redeem-muted); font-size: 12px; }
.redeem-product-rules { display: grid; gap: 14px; }
.redeem-product { min-width: 0; padding: 18px 20px; border: 1px solid var(--redeem-line); border-radius: 12px; background: var(--redeem-surface); }
.redeem-product-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; }
.redeem-product-head h3 { margin: 0; font-size: 21px; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; }
.redeem-product [data-product-status] { display: inline-block; padding: 3px 8px; border: 1px solid #46628a; border-radius: 6px; color: #bcd5ff; background: #213654; font-size: 11px; font-style: normal; line-height: 1.5; }
.redeem-product [data-product-policy] { display: block; margin: 12px 0 0; color: var(--redeem-text); font-size: 15px; line-height: 1.6; }
.redeem-product-replacement { margin: 5px 0 0; color: var(--redeem-muted); font-size: 12px; }
.redeem-product.is-paused [data-product-status] { color: #e5cda6; background: #302b26; border-color: #776445; }
.redeem-self-service-tip { margin: 20px 0 0; color: #bfcee3; font-size: 12px; line-height: 1.85; }
.redeem-delivery-boundary { margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--redeem-line); color: var(--redeem-muted); font-size: 12px; line-height: 1.85; }
.redeem-only-meta { margin: 20px 0 0; color: var(--redeem-muted); font-size: 12px; text-align: center; }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 100; width: min(400px, calc(100% - 40px)); padding: 16px 18px; border: 1px solid #4a648a; border-radius: 12px; color: var(--redeem-text); background: #192b45; box-shadow: 0 12px 40px #0005; overflow-wrap: anywhere; }
.toast.error { color: #ffe7e9; border-color: #986574; background: #50232e; }
@media (max-width: 900px) {
  .redeem-only-shell { width: min(680px, calc(100% - 48px)); padding: 32px 0; }
  .redeem-only-card { grid-template-columns: minmax(0, 1fr); }
  .redeem-entry { padding: 36px; }
  .redeem-guide { padding: 28px 36px; border-left: 0; border-top: 1px solid var(--redeem-line); }
  .redeem-product-rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .redeem-flow { margin-top: 28px; }
}
@media (max-width: 540px) {
  .redeem-only-shell { width: calc(100% - 28px); padding: 22px 0; justify-content: flex-start; }
  .redeem-masthead { margin-bottom: 18px; gap: 8px; }
  .redeem-only-card { border-radius: 18px; }
  .redeem-entry { padding: 28px 22px; }
  .redeem-heading h1 { margin-top: 12px; font-size: 32px; }
  .redeem-heading p { font-size: 14px; }
  #redeem-form { margin-top: 26px; }
  #redeem-form .input { padding: 0 13px; }
  #redeem-form .input::placeholder { font-size: 13px; }
  .redeem-guide { padding: 24px 22px; }
  .redeem-product-rules { grid-template-columns: minmax(0, 1fr); }
  .redeem-product { padding: 16px 18px; }
  .redeem-flow { gap: 9px; font-size: 12px; }
  .redeem-only-meta { padding: 0 8px; }
}
@media (prefers-reduced-motion: reduce) {
  #redeem-form .button { transition: none; }
}