:root {
  --bg: #0b1020;
  --bg-soft: #121a31;
  --panel: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf8;
  --muted: #97a1c0;
  --accent: #4f7cff;
  --accent-2: #22d3a7;
  --danger: #ff6b81;
  --warn: #ffb648;
  --radius: 14px;
  --shadow: 0 18px 40px rgba(3, 7, 20, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(79, 124, 255, 0.28), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(34, 211, 167, 0.16), transparent 55%),
    var(--bg);
  min-height: 100vh;
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 22px 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 18px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.brand { display: flex; align-items: center; gap: 14px; }

.logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071022;
}

.brand-text h1 { margin: 0; font-size: 19px; letter-spacing: 0.3px; }
.brand-text p { margin: 2px 0 0; font-size: 12px; color: var(--muted); letter-spacing: 1.2px; text-transform: uppercase; }

.topbar-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.token-box { display: flex; gap: 8px; }
.token-box input { width: 190px; }

.status-pills { display: flex; gap: 8px; flex-wrap: wrap; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.pill.ok { color: #d7fff2; border-color: rgba(34, 211, 167, 0.35); }
.pill.ok::before { background: var(--accent-2); box-shadow: 0 0 8px rgba(34, 211, 167, 0.8); }
.pill.bad { color: #ffe0e4; border-color: rgba(255, 107, 129, 0.35); }
.pill.bad::before { background: var(--danger); }
.pill.warn { color: #fff1d8; border-color: rgba(255, 182, 72, 0.35); }
.pill.warn::before { background: var(--warn); }

.tabs {
  display: flex;
  gap: 8px;
  margin: 20px 0 18px;
  flex-wrap: wrap;
}

.tab {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.18s ease;
}

.tab:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.22); }

.tab.active {
  color: #071022;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  font-weight: 600;
}

.panel { display: none; animation: fade 0.25s ease; }
.panel.active { display: block; }

@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.card h2 { margin: 0 0 16px; font-size: 16px; font-weight: 600; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.card-head h2 { margin: 0; }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.inline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(8, 13, 30, 0.6);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.18);
}

textarea { resize: vertical; line-height: 1.6; }

select option { background: #0d1428; }

.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.18s ease;
}

.btn:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, 0.25); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-sm { padding: 7px 13px; font-size: 13px; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #071022;
  font-weight: 600;
}

.btn-ghost { background: transparent; color: var(--muted); }

.result {
  margin: 0;
  padding: 14px;
  min-height: 160px;
  max-height: 420px;
  overflow: auto;
  background: rgba(4, 8, 20, 0.65);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.65;
  color: #c9d4f0;
  white-space: pre-wrap;
  word-break: break-all;
}

.table-wrap { overflow-x: auto; color: var(--muted); font-size: 13px; }

table { width: 100%; border-collapse: collapse; }

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th { color: var(--text); font-weight: 600; font-size: 12.5px; letter-spacing: 0.4px; }
tbody tr:hover { background: rgba(255, 255, 255, 0.03); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  border: 1px solid var(--border);
}

.badge.inbound { color: #cfe0ff; border-color: rgba(79, 124, 255, 0.4); }
.badge.outbound { color: #d7fff2; border-color: rgba(34, 211, 167, 0.4); }
.badge.error { color: #ffe0e4; border-color: rgba(255, 107, 129, 0.4); }
.badge.system { color: #fff1d8; border-color: rgba(255, 182, 72, 0.4); }

.guide { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.9; font-size: 14px; }
.guide strong { color: var(--text); }
.guide code {
  background: rgba(79, 124, 255, 0.14);
  border: 1px solid rgba(79, 124, 255, 0.3);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 12.5px;
  color: #cfdcff;
}

@media (max-width: 640px) {
  .app { padding: 18px 14px 40px; }
  .topbar { align-items: flex-start; }
  .token-box input { width: 150px; }
}