:root {
  --bg0: #0b1220;
  --bg1: #121a2b;
  --bg2: #1a2438;
  --line: rgba(148, 163, 184, 0.18);
  --text: #e8eef9;
  --muted: #93a4c3;
  --accent: #3dd6c6;
  --accent2: #5b8cff;
  --real: #22c55e;
  --fake: #ef4444;
  --suspicious: #f59e0b;
  --unknown: #94a3b8;
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 214, 198, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(91, 140, 255, 0.18), transparent 50%),
    linear-gradient(180deg, var(--bg0), #070b14 80%);
}

.wrap {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.hero {
  text-align: center;
  margin-bottom: 28px;
}
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.02em;
}
.hero p {
  margin: 0 auto;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.7;
}

.panel {
  background: linear-gradient(180deg, rgba(26, 36, 56, 0.92), rgba(18, 26, 43, 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

.engines {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  justify-content: center;
}
.engines span {
  font-size: 12px;
  color: #d7e3ff;
  background: rgba(91, 140, 255, 0.12);
  border: 1px solid rgba(91, 140, 255, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
}

textarea {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(7, 11, 20, 0.55);
  color: var(--text);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.6;
  outline: none;
}
textarea:focus {
  border-color: rgba(61, 214, 198, 0.55);
  box-shadow: 0 0 0 3px rgba(61, 214, 198, 0.12);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  align-items: center;
}

button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2bb8e8);
  color: #062018;
}
.btn-ghost {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text);
  border: 1px solid var(--line);
}

.status-line {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 18px;
}
.summary .card {
  background: rgba(7, 11, 20, 0.4);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.summary .n {
  font-size: 1.4rem;
  font-weight: 700;
}
.summary .t {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.table-wrap {
  margin-top: 18px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 13px;
}
th {
  background: rgba(91, 140, 255, 0.08);
  color: #c9d7f5;
  font-weight: 600;
}
tr:last-child td { border-bottom: 0; }
tr:hover td { background: rgba(255, 255, 255, 0.02); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.real { background: rgba(34, 197, 94, 0.15); color: #86efac; }
.badge.fake { background: rgba(239, 68, 68, 0.15); color: #fca5a5; }
.badge.suspicious { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
.badge.unknown, .badge.invalid { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }

.mono { font-family: ui-monospace, Consolas, monospace; }
.muted { color: var(--muted); }
.detail { line-height: 1.55; }

.help {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.help h3 { color: var(--text); margin: 0 0 8px; font-size: 15px; }
.help code {
  background: rgba(255,255,255,0.06);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 12px;
}

.sdk-box {
  margin-top: 18px;
  background: rgba(7, 11, 20, 0.45);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}
.sdk-box pre {
  margin: 10px 0 0;
  overflow: auto;
  font-size: 12px;
  line-height: 1.55;
  color: #cde7e3;
}

footer {
  margin-top: 28px;
  text-align: center;
  color: #6e7f9e;
  font-size: 12px;
}

@media (max-width: 720px) {
  .summary { grid-template-columns: repeat(2, 1fr); }
  .status-line { margin-left: 0; width: 100%; }
}