/* ---------- Design tokens ---------- */
:root {
  --bg: #0a0a0a;
  --card: #121214;
  --card-border: #26262c;
  --text: #f4f4f6;
  --muted: #9b9ba6;
  --purple: #9945ff;
  --purple-hover: #a964ff;
  --purple-soft: rgba(153, 69, 255, .14);
  --green: #3ddc97;
  --red: #ff6b7a;
  --radius: 20px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(153, 69, 255, .16), transparent 60%),
    var(--bg);
  display: flex; flex-direction: column; align-items: center;
  line-height: 1.55;
}

/* ---------- Layout ---------- */
.page { width: 100%; max-width: 520px; padding: 40px 20px 24px; flex: 1; }

/* ---------- Header ---------- */
.header { text-align: center; margin-bottom: 22px; }

.logo {
  width: 84px; height: 84px; margin: 0 auto 16px;
  border-radius: 22px; background: #fff; padding: 6px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 10px 40px rgba(153, 69, 255, .25);
  animation: logoIn .7s cubic-bezier(.2,.8,.2,1) both;
}
.logo img { width: 100%; height: 100%; object-fit: contain; display: block; border-radius: 16px; }
.logo a { display: block; }

.brand { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; }
.subtitle { margin-top: 2px; font-size: .95rem; color: var(--muted); }

@keyframes logoIn {
  from { opacity: 0; transform: translateY(8px) scale(.94); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Page switcher ---------- */
.switch {
  display: flex; gap: 4px; padding: 4px; margin-bottom: 18px;
  background: #101012; border: 1px solid var(--card-border); border-radius: 14px;
}
.switch a {
  flex: 1; text-align: center; padding: 10px 12px;
  font-size: .9rem; font-weight: 600; color: var(--muted);
  text-decoration: none; border-radius: 10px;
  transition: color .2s, background .2s;
}
.switch a:hover { color: var(--text); }
.switch a[aria-current="page"] { color: #fff; background: var(--purple); }
.switch a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* ---------- Claim card ---------- */
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px 28px;
  box-shadow: 0 0 0 1px rgba(153,69,255,.04), 0 20px 60px rgba(153, 69, 255, .10);
}
.card.top {
  border-color: rgba(153, 69, 255, .55);
  background: linear-gradient(180deg, rgba(153,69,255,.08), rgba(153,69,255,0) 40%), var(--card);
  box-shadow: 0 0 0 1px rgba(153,69,255,.12), 0 20px 70px rgba(153, 69, 255, .2);
}

.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card h1 { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; }
.pill {
  flex: none; font-size: .78rem; font-weight: 600; color: #e6d3ff;
  background: var(--purple-soft); border: 1px solid rgba(153,69,255,.5);
  padding: 4px 10px; border-radius: 999px;
}
.card .lead { margin-top: 10px; color: var(--muted); font-size: .98rem; }

form { margin-top: 24px; }
label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: 8px; color: #d6d6dd; }
label .opt { color: #6f6f7b; font-weight: 400; }
.field + .field { margin-top: 14px; }

.field input {
  width: 100%; padding: 15px 16px; font: inherit; font-size: .95rem;
  color: var(--text); background: #0b0b0d;
  border: 1px solid var(--card-border); border-radius: 12px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder { color: #5f5f6b; }
.field input:hover { border-color: #3a3a44; }
.field input:focus { border-color: var(--purple); box-shadow: 0 0 0 4px var(--purple-soft); }
.field.invalid input { border-color: var(--red); box-shadow: 0 0 0 4px rgba(255,107,122,.12); }

.error { min-height: 20px; margin-top: 8px; font-size: .84rem; color: var(--red); }

.btn {
  margin-top: 6px; width: 100%; padding: 16px 20px;
  font: inherit; font-size: 1rem; font-weight: 600;
  color: #fff; background: var(--purple); border: 0; border-radius: 12px; cursor: pointer;
  transition: background .2s, transform .15s, box-shadow .2s, opacity .2s;
}
.btn:hover:not(:disabled) { background: var(--purple-hover); box-shadow: 0 8px 28px rgba(153,69,255,.4); transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn:focus-visible, input:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

.other { margin-top: 18px; text-align: center; font-size: .88rem; color: var(--muted); }
.other a { color: #c9a2ff; font-weight: 600; text-decoration: none; }
.other a:hover { text-decoration: underline; }

/* ---------- Success state ---------- */
.success {
  display: none; margin-top: 20px; padding: 18px; gap: 14px; align-items: flex-start;
  background: rgba(61, 220, 151, .07); border: 1px solid rgba(61, 220, 151, .3); border-radius: 14px;
}
.success.show { display: flex; animation: pop .45s cubic-bezier(.2,.9,.3,1.2) both; }
.success-body { min-width: 0; flex: 1; }
.success p { font-size: .95rem; color: #d9f7ea; }

.check { flex: none; width: 36px; height: 36px; }
.check circle { fill: none; stroke: var(--green); stroke-width: 2.5; stroke-dasharray: 100; stroke-dashoffset: 100; animation: draw .6s .1s ease forwards; }
.check path { fill: none; stroke: var(--green); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 30; stroke-dashoffset: 30; animation: draw .4s .55s ease forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(6px) scale(.98); } to { opacity: 1; transform: none; } }

.share { margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(61,220,151,.2); }
.share small { display: block; font-size: .8rem; color: #a9d9c4; margin-bottom: 6px; }
.share-row { display: flex; gap: 8px; }
.share-row input {
  flex: 1; min-width: 0; padding: 9px 10px; font: inherit; font-size: .8rem;
  color: var(--text); background: #0b0b0d; border: 1px solid #2c3a34; border-radius: 9px;
}
.share-row button {
  flex: none; padding: 9px 14px; font: inherit; font-size: .82rem; font-weight: 600;
  color: #fff; background: #26262c; border: 0; border-radius: 9px; cursor: pointer; transition: background .2s;
}
.share-row button:hover { background: #34343d; }

/* ---------- Disclaimer ---------- */
.disclaimer {
  margin-top: 20px; padding: 24px 28px;
  border: 1px solid var(--card-border); border-radius: var(--radius); background: rgba(255,255,255,.015);
}
.disclaimer h2 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.disclaimer ul { list-style: none; display: grid; gap: 10px; }
.disclaimer li { position: relative; padding-left: 20px; font-size: .9rem; color: var(--muted); }
.disclaimer li::before {
  content: ""; position: absolute; left: 2px; top: .6em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--purple);
}
.disclaimer li.warn { color: #e7e7ee; font-weight: 500; }

/* ---------- Footer ---------- */
footer { padding: 24px 20px 32px; font-size: .82rem; color: #6c6c78; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .page { padding-top: 28px; }
  .card { padding: 26px 20px; }
  .disclaimer { padding: 22px 20px; }
  .card h1 { font-size: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}