* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg0: #070a13; --bg1: #0d1320; --card: rgba(255,255,255,.045);
  --bd: rgba(255,255,255,.09); --txt: #eef1f7; --mut: #9aa3b8;
  --acc: #6ea8ff; --acc2: #b06cff; --ok: #4ade80; --warn: #fbbf24; --err: #f87171;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
}
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  background: radial-gradient(1200px 800px at 80% -10%, #16203a 0, transparent 55%),
              radial-gradient(1000px 700px at -10% 110%, #1a1030 0, transparent 50%),
              linear-gradient(160deg, var(--bg0), var(--bg1));
  color: var(--txt); min-height: 100vh; line-height: 1.55;
  overflow-x: hidden;
}
.bg-orbs { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .35; animation: float 18s ease-in-out infinite; }
.orb1 { width: 380px; height: 380px; background: #3b6fe0; top: -80px; left: -60px; }
.orb2 { width: 320px; height: 320px; background: #9b4dff; bottom: -60px; right: -40px; animation-delay: -6s; }
.orb3 { width: 260px; height: 260px; background: #2bb8a6; top: 40%; left: 60%; animation-delay: -12s; }
@keyframes float { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(40px,-30px) scale(1.08);} }

.wrap { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 22px 16px 40px; }

.head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.logo { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; font-size: 26px;
  background: linear-gradient(135deg, var(--acc), var(--acc2)); box-shadow: 0 8px 24px rgba(110,168,255,.35); }
.head h1 { font-size: 21px; font-weight: 700; letter-spacing: .5px; }
.sub { font-size: 12.5px; color: var(--mut); }

.card { background: var(--card); border: 1px solid var(--bd); border-radius: 18px; padding: 18px;
  margin-bottom: 14px; backdrop-filter: blur(18px) saturate(1.2); -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 8px 32px rgba(0,0,0,.28); }
.lab { display: block; font-size: 12.5px; color: var(--mut); margin-bottom: 8px; font-weight: 500; }
.io { width: 100%; background: rgba(0,0,0,.32); border: 1px solid var(--bd); border-radius: 12px;
  color: var(--txt); padding: 12px 14px; font-size: 13.5px; resize: vertical; transition: border-color .15s; }
.io:focus { outline: none; border-color: var(--acc); }
.mono { font-family: var(--mono); white-space: pre-wrap; word-break: break-all; }
#in { resize-y: auto; }

.drop { margin-top: 10px; border: 1.5px dashed rgba(255,255,255,.16); border-radius: 12px; padding: 12px;
  text-align: center; font-size: 12.5px; color: var(--mut); transition: all .15s; }
.drop.over { border-color: var(--acc); background: rgba(110,168,255,.12); color: var(--txt); }

.btns { display: flex; gap: 10px; margin-top: 14px; }
.btn { border: none; border-radius: 12px; padding: 11px 20px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: transform .12s, opacity .15s, background .15s; }
.btn:active { transform: scale(.97); }
.btn.primary { flex: 1; background: linear-gradient(135deg, var(--acc), var(--acc2)); color: #fff;
  box-shadow: 0 6px 18px rgba(140,108,255,.32); }
.btn.ghost { background: rgba(255,255,255,.06); color: var(--txt); border: 1px solid var(--bd); }
.btn.mini { padding: 6px 12px; font-size: 12px; background: rgba(255,255,255,.06); color: var(--mut); border: 1px solid var(--bd); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.row { display: flex; align-items: center; justify-content: space-between; }

.chain { margin-bottom: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 12px; padding: 6px 11px; border-radius: 20px; background: rgba(110,168,255,.14);
  border: 1px solid rgba(110,168,255,.3); color: #cdd9f3; }
.chip:last-child { background: rgba(74,222,128,.14); border-color: rgba(74,222,128,.35); color: #b8efc8; }
.chip .n { opacity: .6; margin-right: 4px; }

.info { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 12px; padding: 6px 11px; border-radius: 10px; background: rgba(255,255,255,.06); border: 1px solid var(--bd); color: var(--mut); }
.tag b { color: var(--txt); margin-left: 2px; }
.tag.ok { border-color: rgba(74,222,128,.4); color: #9ee6b4; }
.tag.warehouse { border-color: rgba(251,191,36,.4); color: #f3d77a; }
.tag.err { border-color: rgba(248,113,113,.4); color: #f5a3a3; }

.fmt summary { cursor: pointer; font-size: 13px; color: var(--mut); font-weight: 500; }
.fmt ul { list-style: none; margin: 10px 0 0; }
.fmt li { font-size: 12.5px; color: var(--mut); padding: 5px 0 5px 18px; position: relative; }
.fmt li::before { content: "▸"; position: absolute; left: 0; color: var(--acc); }
.fmt b { color: var(--txt); }
.fmt code { font-family: var(--mono); background: rgba(255,255,255,.07); padding: 1px 5px; border-radius: 4px; font-size: 11.5px; }
.fmt .tip { font-size: 12px; color: var(--mut); margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--bd); }

.foot { text-align: center; font-size: 11.5px; color: var(--mut); margin-top: 18px; }
.hidden { display: none !important; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: rgba(20,24,38,.95); border: 1px solid var(--bd); color: var(--txt); padding: 10px 18px;
  border-radius: 12px; font-size: 13px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 50;
  backdrop-filter: blur(12px); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: rgba(248,113,113,.5); }

@media (max-width: 520px) {
  .logo { width: 44px; height: 44px; font-size: 22px; border-radius: 12px; }
  .head h1 { font-size: 18px; }
  .card { padding: 14px; border-radius: 15px; }
  .btns { flex-direction: column; }
}