.otp-card {
  --otp-accent: #6a2c85;
  --otp-accent-2: #8f4db0;
  position: relative;
  display: grid;
  gap: 1rem;
  width: 100%;
  padding: 1.15rem;
  border: 1px solid color-mix(in srgb, var(--otp-accent) 18%, transparent);
  border-radius: 1.35rem;
  background:
    radial-gradient(circle at 12% 0%, color-mix(in srgb, var(--otp-accent-2) 12%, transparent), transparent 38%),
    color-mix(in srgb, var(--panel, #fff) 96%, var(--otp-accent) 4%);
  box-shadow: 0 18px 50px rgba(47, 19, 66, .09);
  overflow: hidden;
}

.otp-card::after {
  content: "";
  position: absolute;
  inset-inline: 14%;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--otp-accent-2), transparent);
  opacity: .65;
}

.otp-card__icon {
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  margin-inline: auto;
  border-radius: 1.05rem;
  color: #fff;
  background: linear-gradient(135deg, #35164c, var(--otp-accent-2));
  box-shadow: 0 10px 28px rgba(83, 33, 112, .24);
  font-size: 1.25rem;
}

.otp-card__copy {
  display: grid;
  gap: .35rem;
  text-align: center;
}

.otp-card__copy strong { font-size: 1.06rem; }
.otp-card__copy span,
.otp-card__hint { color: var(--muted, #75687d); font-size: .88rem; line-height: 1.8; }

.otp-inputs {
  display: grid;
  grid-template-columns: repeat(6, minmax(2.7rem, 1fr));
  gap: .55rem;
  width: 100%;
  max-width: 28rem;
  margin-inline: auto;
}

.otp-digit {
  min-width: 0;
  height: clamp(3.15rem, 8vw, 4rem);
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--otp-accent) 24%, #b8acbf);
  border-radius: .9rem;
  background: color-mix(in srgb, var(--panel, #fff) 97%, var(--otp-accent) 3%);
  color: var(--text, #21152b);
  font: 800 clamp(1.2rem, 4vw, 1.65rem)/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-align: center;
  caret-color: var(--otp-accent);
  outline: 0;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease, background .18s ease;
}

.otp-digit:hover { border-color: color-mix(in srgb, var(--otp-accent) 54%, #b8acbf); }
.otp-digit:focus {
  border-color: var(--otp-accent-2);
  background: color-mix(in srgb, var(--panel, #fff) 93%, var(--otp-accent-2) 7%);
  box-shadow: 0 0 0 .24rem color-mix(in srgb, var(--otp-accent-2) 14%, transparent);
  transform: translateY(-2px);
}

.otp-card--complete .otp-digit {
  border-color: #2d9a69;
  box-shadow: 0 0 0 1px color-mix(in srgb, #2d9a69 14%, transparent);
}

.otp-card__actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .65rem;
  align-items: center;
}

.otp-resend {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-height: 2.85rem;
  padding: .65rem .9rem;
  border: 0;
  border-radius: .85rem;
  background: transparent;
  color: var(--otp-accent);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.otp-resend:hover:not(:disabled) { background: color-mix(in srgb, var(--otp-accent) 8%, transparent); }
.otp-resend:disabled { opacity: .58; cursor: not-allowed; }
.otp-resend small { min-width: 2.4rem; direction: ltr; font-variant-numeric: tabular-nums; }

.otp-card__hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  margin: 0;
  text-align: center;
}

.auth-utility-row {
  display: flex;
  justify-content: flex-end;
  margin-top: -.25rem;
  font-size: .9rem;
}
.auth-utility-row a { display: inline-flex; align-items: center; gap: .4rem; }

@media (max-width: 480px) {
  .otp-card { padding: 1rem .8rem; border-radius: 1.1rem; }
  .otp-inputs { gap: .35rem; grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .otp-digit { height: 3.1rem; border-radius: .72rem; }
  .otp-card__actions { grid-template-columns: 1fr; }
  .otp-resend { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .otp-digit { transition: none; }
}