:root {
  --black: #08090B;
  --silver: #D2D3D5;
  --panel: #111317;
  --border: #23262D;
  --muted: #8A8D94;
  --error: #FF6B6B;
  --ok: #7BE0A8;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { min-height: 100%; }

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--black);
  color: var(--silver);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  padding: 32px 16px;
  position: relative;
  overflow-x: hidden;
}

.glow {
  position: fixed;
  top: -30vh; left: 50%;
  width: 80vw; height: 70vh;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(210,211,213,0.10), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.wrap {
  width: 100%;
  max-width: 460px;
  position: relative;
  z-index: 1;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, #E6E7E9, #9C9EA3);
  color: var(--black);
  font-weight: 700;
  display: grid; place-items: center;
}
.wordmark {
  font-weight: 600;
  letter-spacing: 0.28em;
  font-size: 15px;
}

/* Card */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)), var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}

.badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

h1, h2 {
  color: #fff;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: 26px; margin-bottom: 8px; }
h2 { font-size: 22px; margin-bottom: 8px; }

.lead {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 26px;
}

/* Fields */
.field { margin-bottom: 18px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 7px;
}

.input-wrap {
  display: flex;
  align-items: center;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
}
.input-wrap:focus-within {
  border-color: var(--silver);
  box-shadow: 0 0 0 3px rgba(210,211,213,0.12);
}
.input-wrap.invalid { border-color: var(--error); }

.prefix {
  padding-left: 14px;
  color: var(--muted);
  font-size: 15px;
}

input[type="text"] {
  flex: 1;
  width: 100%;
  background: transparent;
  border: 0;
  outline: 0;
  color: #fff;
  font: inherit;
  font-size: 15px;
  padding: 13px 14px;
}
.prefix + input { padding-left: 4px; }
input::placeholder { color: #4D5057; }

.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.error {
  font-size: 12px;
  color: var(--error);
  margin-top: 6px;
  min-height: 0;
}
.error:empty { display: none; }

/* Honeypot */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* Checkbox */
.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  cursor: pointer;
  margin-top: 4px;
}
.check input {
  margin-top: 3px;
  width: 16px; height: 16px;
  accent-color: var(--silver);
  flex-shrink: 0;
}

/* Button */
button {
  width: 100%;
  margin-top: 22px;
  padding: 14px;
  border: 0;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #EDEEF0, #B9BBBF);
  color: var(--black);
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform .1s, opacity .15s;
}
button:hover { opacity: 0.92; }
button:active { transform: scale(0.99); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(8,9,11,0.25);
  border-top-color: var(--black);
  border-radius: 50%;
  display: none;
  animation: spin .7s linear infinite;
}
button.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-status {
  font-size: 13px;
  text-align: center;
  margin-top: 14px;
}
.form-status:empty { display: none; }
.form-status.err { color: var(--error); }

/* Success */
.success { text-align: center; }
.tick {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  font-size: 24px;
  color: var(--ok);
}
.links {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.links a {
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  transition: border-color .15s;
}
.links a:hover { border-color: var(--silver); }

/* Testnet prep */
.prep { margin-top: 28px; }
.prep h3 { color: #fff; font-size: 17px; font-weight: 600; }
.prep-sub { color: var(--muted); font-size: 13px; margin: 4px 0 14px; }
.prep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.prep-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  text-align: left;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--silver);
  font-weight: 500;
  font-size: 13.5px;
  border-radius: var(--radius);
}
.prep-item:hover { border-color: var(--silver); opacity: 1; }
.prep-item .num { font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }

.ghost-btn {
  display: inline-flex;
  width: auto;
  margin: 18px auto 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--silver);
  font-weight: 500;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 999px;
}
.ghost-btn:hover { border-color: var(--silver); opacity: 1; }

/* Modal */
.modal {
  position: fixed; inset: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}
.modal-box {
  position: relative;
  width: 100%; max-width: 440px;
  max-height: 88vh; overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px 26px 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  animation: pop .18s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }
.modal-x {
  position: absolute; top: 12px; right: 12px;
  width: 34px; height: 34px; margin: 0; padding: 0;
  background: transparent; color: var(--muted);
  font-size: 22px; font-weight: 400;
  border-radius: 50%;
}
.modal-x:hover { color: #fff; background: rgba(255,255,255,0.05); opacity: 1; }
.modal-body { color: var(--muted); font-size: 14px; }
.modal-body p + p, .modal-body p + ol, .modal-body ol + p, .modal-body p + ul, .modal-body ul + p { margin-top: 10px; }
.modal-body ol, .modal-body ul { padding-left: 20px; }
.modal-body li + li { margin-top: 6px; }
.modal-body strong { color: var(--silver); font-weight: 600; }
.modal-body .note {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 12.5px;
}
.modal-actions { display: flex; gap: 10px; margin-top: 22px; }
.modal-actions .ghost-btn { margin: 0; flex: 1; }
.modal-next { margin: 0; flex: 1; padding: 11px; border-radius: 999px; font-size: 14px; }
.dots { display: flex; justify-content: center; gap: 6px; margin-top: 14px; }
.dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.dots span.on { background: var(--silver); }

.top-countdown { margin-bottom: 22px; }

/* Steps + community tasks */
.step-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin: 4px 0 12px;
}
.step-title span {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--silver);
  color: var(--black);
  font-size: 12px;
  display: grid; place-items: center;
}
.tasks { display: grid; gap: 8px; margin-bottom: 6px; }
.task {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 16px;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--silver);
  text-decoration: none;
  font-size: 14px;
  transition: border-color .15s;
}
.task:hover { border-color: var(--silver); }
.task-state { font-size: 13px; color: var(--muted); white-space: nowrap; }
.task.done { border-color: rgba(123,224,168,0.45); }
.task.waiting {
  background:
    linear-gradient(90deg, rgba(120,170,140,0.10) var(--progress, 0%), transparent var(--progress, 0%)),
    var(--black);
}
.task.waiting .task-state { color: var(--silver); font-variant-numeric: tabular-nums; }
.tasks-hint { margin: 2px 0 4px; }
.task.done .task-state { color: var(--ok); }
.tasks ~ .step-title { margin-top: 22px; }
.prep-link {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--silver);
  text-decoration: none;
}
.prep-link:hover { text-decoration: underline; }
.success .socials { margin-bottom: 4px; }
a.ghost-btn { text-decoration: none; }

/* Footer */
.foot {
  text-align: center;
  font-size: 12px;
  color: #5C5F66;
  margin-top: 32px;
}
.foot .socials { margin-bottom: 16px; }
.foot p + p { margin-top: 6px; }

[hidden] { display: none !important; }

@media (max-width: 420px) {
  .card { padding: 26px 20px; }
  h1 { font-size: 23px; }
}