:root {
  --bg: #0b1020;
  --card: #141a2e;
  --card-border: #232c4a;
  --text: #e8ecf8;
  --muted: #8b94b8;
  --accent: #f6821f; /* Cloudflare orange */
  --accent-2: #4f8ef7;
  --ok: #2fbf71;
  --err: #e5534b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(246, 130, 31, 0.16), transparent 60%),
    radial-gradient(700px 400px at 85% 10%, rgba(79, 142, 247, 0.14), transparent 60%);
}

.container {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 20px 40px;
}

.hero { text-align: center; margin-bottom: 40px; }

.badge {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(20, 26, 46, 0.6);
  margin-bottom: 18px;
}

h1 { font-size: 44px; letter-spacing: 1px; }
h1 .x { color: var(--accent); margin: 0 6px; }

.subtitle {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.subtitle strong { color: var(--text); }

.panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 26px;
  margin-bottom: 28px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.panel-head h2 { font-size: 19px; }

.status {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
}
.status-idle { color: var(--muted); }
.status-ok { color: var(--ok); border-color: rgba(47, 191, 113, 0.4); }
.status-err { color: var(--err); border-color: rgba(229, 83, 75, 0.4); }

.field-label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 14px 0 8px;
}

input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #0e1424;
  color: var(--text);
  font-size: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--accent-2); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

button {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #1a2138;
  color: var(--text);
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  cursor: pointer;
  transition: all 0.15s;
}
button:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
button:active { transform: translateY(0); }

.result {
  margin-top: 20px;
  padding: 16px;
  border-radius: 10px;
  background: #0a0f1e;
  border: 1px solid var(--card-border);
  font-size: 13px;
  line-height: 1.7;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 64px;
  color: #b9c3e0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 20px;
}
.card-icon { font-size: 24px; margin-bottom: 10px; }
.card h3 { font-size: 15px; margin-bottom: 8px; }
.card p { font-size: 13px; color: var(--muted); line-height: 1.7; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.footer code {
  background: #0e1424;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  font-size: 11px;
}

@media (max-width: 560px) {
  h1 { font-size: 32px; }
  .panel { padding: 18px; }
}