:root {
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(
    1000px 600px at 30% 20%,
    #1b3a2b 0%,
    #0b0f12 55%,
    #050708 100%
  );
  color: #e9eef5;
}
.card {
  width: min(720px, 92vw);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
}
header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.badge {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.25);
  font-size: 12px;
  opacity: 0.9;
  white-space: nowrap;
}
h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0.2px;
}
p {
  margin: 8px 0 0;
  opacity: 0.9;
  line-height: 1.4;
}
.grid {
  margin-top: 18px;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}
.grid .full {
  grid-column: 1 / -1;
}
label {
  display: block;
  font-size: 12px;
  opacity: 0.85;
  margin: 0 0 6px;
}
input,
select,
textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.25);
  color: #e9eef5;
  outline: none;
}
input:focus,
select:focus,
textarea:focus {
  border-color: rgba(122, 255, 185, 0.55);
  box-shadow: 0 0 0 4px rgba(122, 255, 185, 0.15);
}
textarea {
  resize: none;
  min-height: 88px;
}
.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 14px;
}
button {
  cursor: pointer;
  border: none;
  padding: 12px 14px;
  border-radius: 12px;
  background: linear-gradient(
    135deg,
    rgba(122, 255, 185, 0.95),
    rgba(58, 195, 255, 0.85)
  );
  color: #061015;
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: transform 0.08s ease, filter 0.15s ease;
}
button:active {
  transform: translateY(1px) scale(0.99);
}
.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #e9eef5;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.fineprint {
  margin-top: 12px;
  font-size: 12px;
  opacity: 0.7;
}
.result {
  margin-top: 16px;
  padding: 14px;
  border-radius: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.22);
  display: none;
}
.result strong {
  color: rgba(122, 255, 185, 0.95);
}
.spark {
  display: inline-block;
  transform: translateY(1px);
  filter: drop-shadow(0 10px 25px rgba(122, 255, 185, 0.25));
}
@media (max-width: 640px) {
  body {
    padding: 14px;
    align-items: flex-start;
  }
  .card {
    width: 100%;
    padding: 18px 16px 20px;
  }
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  h1 {
    font-size: 22px;
    line-height: 1.2;
    margin-bottom: 10px;
  }
  .badge {
    align-self: stretch;
    text-align: center;
    font-size: 11px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .row {
    flex-direction: column;
    align-items: stretch;
  }
  .row button {
    width: 100%;
  }
}