:root {
  color-scheme: dark;
  --text: #edf7ff;
  --muted: #a7bbd0;
  --panel: rgba(8, 20, 34, .82);
  --line: rgba(185, 226, 255, .18);
  --soft: rgba(255, 255, 255, .06);
  --accent: #76d8ff;
  --mint: #aef2d0;
  --bad: #ff9ca6;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: #07111c;
}
button, input { font: inherit; }

.page {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 28px 16px;
  overflow: hidden;
}

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 16%, rgba(255, 241, 194, .14), transparent 12%),
    radial-gradient(circle at 18% 78%, rgba(116, 216, 255, .12), transparent 18%),
    linear-gradient(180deg, #02050b 0%, #07131f 58%, #07110e 100%);
}
.moon {
  position: absolute;
  top: 8vh;
  right: 15vw;
  width: 78px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 30%, #fff 0 18%, #fff5cd 58%, #cdb973 100%);
  box-shadow: 0 0 22px rgba(255, 244, 199, .5), 0 0 78px rgba(255, 230, 156, .18);
}
.star {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,.75);
  box-shadow: 0 0 12px rgba(255,255,255,.55);
}
.star-a { left: 18vw; top: 18vh; }
.star-b { left: 48vw; top: 12vh; opacity: .55; }
.star-c { right: 28vw; top: 34vh; opacity: .45; }
.mist {
  position: absolute;
  width: 52vw;
  height: 30vh;
  border-radius: 50%;
  filter: blur(58px);
  opacity: .12;
}
.mist-a { left: -18vw; bottom: 8vh; background: #76d8ff; }
.mist-b { right: -18vw; bottom: 12vh; background: #aef2d0; }
.landscape {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 48vh;
}
.mountain.far { fill: rgba(8, 25, 30, .78); }
.mountain.near { fill: rgba(3, 15, 18, .96); }
.ground { fill: rgba(1, 6, 5, .98); }

.card {
  width: min(560px, 100%);
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(12, 29, 48, .88), var(--panel));
  box-shadow: 0 26px 84px rgba(0, 0, 0, .46);
  backdrop-filter: blur(20px);
}
.header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.mark {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(118, 216, 255, .1);
  border: 1px solid rgba(118, 216, 255, .26);
}
.mark span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px var(--accent);
}
.header p {
  margin: 0 0 5px;
  color: var(--mint);
  font-size: 12px;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.05;
}

.form {
  display: grid;
  gap: 12px;
}
label {
  color: var(--muted);
  font-size: 14px;
}
.token-row {
  display: grid;
  grid-template-columns: 1fr 48px;
  gap: 10px;
}
input {
  min-width: 0;
  height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(185, 226, 255, .2);
  border-radius: 8px;
  color: var(--text);
  background: rgba(1, 8, 16, .46);
  outline: none;
}
input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(118, 216, 255, .12);
}
.icon-btn,
.primary {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.icon-btn {
  height: 48px;
  color: var(--text);
  background: rgba(255,255,255,.08);
  font-size: 22px;
}
.primary {
  height: 50px;
  margin-top: 4px;
  color: #04131b;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--mint));
}
.primary:disabled {
  opacity: .68;
  cursor: wait;
}
.message {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.message.good { color: var(--mint); }
.message.error { color: var(--bad); }

.result {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.is-hidden { display: none !important; }
.balance-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 86% 14%, rgba(118, 216, 255, .16), transparent 34%),
    var(--soft);
}
.balance-card span,
.metrics span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}
.balance-card strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: clamp(38px, 9vw, 58px);
  line-height: 1;
}
.balance-card small {
  display: block;
  margin-top: 10px;
  color: var(--text);
  overflow-wrap: anywhere;
  font-size: 15px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.metrics div {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}
.metrics strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 19px;
  line-height: 1.35;
}
.progress {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,.09);
}
.progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--mint));
  box-shadow: 0 0 18px rgba(118, 216, 255, .38);
  transition: width .7s ease;
}

@media (max-width: 560px) {
  .page {
    align-items: start;
    padding: 18px 12px;
  }
  .card {
    padding: 20px;
  }
  .moon {
    width: 58px;
    right: 8vw;
  }
  .landscape {
    height: 38vh;
  }
  .header {
    gap: 12px;
    margin-bottom: 22px;
  }
  .mark {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }
  h1 {
    font-size: 32px;
  }
  .token-row {
    grid-template-columns: 1fr 46px;
    gap: 8px;
  }
  input,
  .icon-btn {
    height: 46px;
  }
  .primary {
    height: 48px;
  }
  .metrics {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .balance-card {
    padding: 18px;
  }
  .balance-card strong {
    font-size: 42px;
  }
}