:root {
  color-scheme: dark;
  --bg: #07090c;
  --panel: #0f1319;
  --panel-2: #131922;
  --line: #202834;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #b7ff5a;
  --accent-ink: #10160a;
  --cyan: #67e8f9;
  --red: #ff7b72;
  --green: #7ee787;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(103, 232, 249, 0.08), transparent 60%),
    radial-gradient(700px 400px at 0% 0%, rgba(183, 255, 90, 0.06), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 14px/1.6 "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.shell {
  width: min(900px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: linear-gradient(160deg, rgba(183, 255, 90, 0.16), rgba(103, 232, 249, 0.08));
  border: 1px solid rgba(183, 255, 90, 0.26);
  box-shadow: 0 0 22px rgba(183, 255, 90, 0.12);
}

.brand-mark svg { width: 16px; height: 16px; }

.top-actions { display: flex; align-items: center; gap: 12px; }

.who {
  color: var(--muted);
  font-size: 12px;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent), var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  min-width: 0;
}

.gate { max-width: 460px; margin: 8vh auto 0; }
.gate h1 { margin: 0 0 6px; font-size: 21px; }

.muted { color: var(--muted); font-size: 12px; margin: 0; }
.hint { color: var(--muted); font-size: 12px; margin: 14px 0 0; }

.stack { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.row { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.grow { flex: 1; min-width: 150px; }

label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }

input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  outline: none;
}
input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(103, 232, 249, 0.12); }

.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: #334155; }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 11px; font-size: 12px; }

.msg { min-height: 18px; margin: 0; font-size: 12px; color: var(--muted); }
.msg.error { color: var(--red); }
.msg.ok { color: var(--green); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.balance-card { display: flex; flex-direction: column; gap: 2px; }
.label { color: var(--muted); font-size: 12px; }
.balance {
  font-size: clamp(26px, 6vw, 38px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}
.unit { color: var(--muted); font-size: 12px; }
.sub { color: var(--muted); font-size: 12px; margin-top: 8px; }

.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head h2 { margin: 0 0 4px; font-size: 16px; }

.receive-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.qr { background: #fff; border-radius: 10px; padding: 6px; width: 132px; height: 132px; }
.receive-info { display: flex; flex-direction: column; gap: 10px; min-width: 0; flex: 1; }
.addr {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
  color: var(--cyan);
}

.tx-list { display: flex; flex-direction: column; }
.tx-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}
.tx-row:first-child { border-top: 0; }
.tx-main { min-width: 0; }
.tx-title { font-size: 13px; font-weight: 600; }
.tx-sub { color: var(--muted); font-size: 11px; overflow-wrap: anywhere; }
.tx-amount { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.tx-amount.out { color: var(--red); }
.tx-amount.in { color: var(--green); }
.tx-status { font-size: 11px; color: var(--muted); text-align: right; white-space: nowrap; }
.tx-status.ok { color: var(--green); }
.tx-status.fail { color: var(--red); }
.empty { color: var(--muted); font-size: 12px; padding: 18px 0; text-align: center; }

.device-list { display: flex; flex-direction: column; }
.device-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}
.device-row:first-child { border-top: 0; }
.device-main { flex: 1; min-width: 0; }
.device-title { font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.device-meta { color: var(--muted); font-size: 11px; overflow-wrap: anywhere; }
.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  vertical-align: 1px;
}
.btn.danger { color: var(--red); border-color: rgba(255, 123, 114, 0.4); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  max-width: calc(100% - 40px);
}
.toast.error { border-color: var(--red); }

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
  .who { max-width: 150px; }
  .tx-row { grid-template-columns: 1fr auto; }
  .tx-status { grid-column: 2; }
}