:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #586575;
  --line: #cfd7df;
  --surface: #ffffff;
  --page: #eef3f7;
  --accent: #0b5cab;
  --accent-strong: #08457f;
  --focus: #16826f;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(11, 92, 171, 0.08), rgba(22, 130, 111, 0.08)),
    var(--page);
}

.shell {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 32px 18px;
}

.claim-panel {
  width: min(100%, 460px);
  margin: 0 auto;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 60px rgba(23, 32, 42, 0.08);
}

.mast {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.brand-logo {
  width: 168px;
  max-width: 64%;
  height: auto;
  display: block;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.12;
}

.claim-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}

label span {
  font-size: 0.92rem;
}

input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--ink);
  font: inherit;
}

input:focus {
  outline: 3px solid rgba(22, 130, 111, 0.2);
  border-color: var(--focus);
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 6px;
  padding: 11px 16px;
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.status {
  min-height: 24px;
  margin-top: 18px;
  color: var(--muted);
  line-height: 1.45;
}

.status[data-tone="error"] {
  color: #9f2d20;
}

.status[data-tone="success"] {
  color: #166c5e;
}

.status p {
  margin: 0 0 10px;
}

.status code {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  border: 1px solid rgba(22, 108, 94, 0.35);
  border-radius: 6px;
  overflow-wrap: anywhere;
  color: var(--ink);
  background: #f4faf8;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.2rem;
  text-align: center;
}

.status a {
  display: inline-block;
  margin-top: 4px;
  color: var(--accent);
  font-weight: 700;
}