:root {
  --bg: #000000;
  --card: #161616;
  --text: #f4f4f4;
  --muted: #a7a7a7;
  --red: #c1121f;
  --green: #2fbf71;
  --line: #2a2a2a;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  text-align: center;
}
a { color: var(--text); }
.logo { width: 200px; max-width: 60%; height: auto; margin: 4px auto 24px; display: block; }
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 18px; border-radius: 999px;
  background: rgba(47, 191, 113, .12); color: var(--green);
  border: 1px solid rgba(47, 191, 113, .45);
  font-weight: 700; font-size: 17px;
}
.badge .check {
  display: inline-grid; place-items: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--green); color: #000; font-size: 15px;
}
.badge.bad { background: rgba(193, 18, 31, .14); color: #ff6b6b; border-color: rgba(193, 18, 31, .6); }
.badge.bad .check { background: var(--red); color: #fff; }
.lettering { width: 100%; max-width: 360px; height: auto; margin: 28px auto 4px; display: block; }
h1 { font-size: 32px; margin: 24px 0 4px; }
.serial { font-size: 40px; font-weight: 800; letter-spacing: 1px; margin: 4px 0 0; }
.muted { color: var(--muted); }
.small { font-size: 14px; margin-top: 2px; }
.owner {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 18px 16px; margin: 24px 0;
}
.label { text-transform: uppercase; letter-spacing: 2px; font-size: 12px; color: var(--muted); margin: 0 0 6px; }
.owner-name { font-size: 28px; font-weight: 800; margin: 0; }
.owner .muted { margin: 6px 0 0; }
.claim { display: grid; gap: 12px; margin-top: 16px; text-align: left; }
.claim label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.claim input {
  font: inherit; color: var(--text); background: #0f0f0f;
  border: 1px solid #3a3a3a; border-radius: 10px; padding: 12px; width: 100%;
}
.claim input.short { width: 72px; text-transform: uppercase; }
.claim input:focus { outline: 2px solid var(--red); border-color: transparent; }
.claim button {
  font: inherit; font-weight: 700; color: #fff; background: var(--red);
  border: 0; border-radius: 10px; padding: 14px; margin-top: 4px; cursor: pointer;
}
.msg { border-radius: 12px; padding: 12px 14px; margin: 18px 0 0; font-weight: 600; }
.msg.ok { background: rgba(47, 191, 113, .12); color: var(--green); }
.msg.error { background: rgba(193, 18, 31, .15); color: #ff8a8a; }
.photo { width: 100%; height: auto; border-radius: 16px; margin-top: 4px; display: block; }
.tagline { font-size: 20px; font-weight: 700; margin: 20px 0 8px; }
.story { color: #d8d8d8; margin: 8px 0; }
.steps { text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 16px 16px 36px; margin: 24px 0; }
.steps li { margin: 6px 0; }
footer { margin-top: 36px; font-size: 14px; color: var(--muted); }
footer a { color: var(--muted); }
.socials { display: flex; justify-content: center; gap: 22px; }
.socials a { color: var(--text); text-decoration: none; border-bottom: 1px solid #555; padding-bottom: 2px; }