:root {
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --border: rgba(255, 255, 255, 0.12);
  --primary: #7c5cff;
  --primary2: #4fd1c5;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(124, 92, 255, 0.35), transparent 55%),
              radial-gradient(900px 600px at 85% 30%, rgba(79, 209, 197, 0.25), transparent 55%),
              var(--bg);
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 18px 28px;
}

.header h1 {
  margin: 0 0 8px;
  font-size: 34px;
  letter-spacing: 0.5px;
}

.sub { margin: 0 0 18px; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 80ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.2); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.primary {
  border-color: rgba(124, 92, 255, 0.55);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(79, 209, 197, 0.14));
}

.status, .result {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.kv--full {
  grid-column: 1 / -1;
}

.kv {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
}
.k { color: var(--muted); }
.v { font-weight: 600; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.details {
  margin-top: 14px;
  color: var(--muted);
}
.details summary {
  cursor: pointer;
  user-select: none;
}
.details ul { margin: 10px 0 0; padding-left: 18px; }

.progress {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 220px;
  max-width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.10);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(124, 92, 255, 0.9), rgba(79, 209, 197, 0.8));
  border-radius: 999px;
  transition: width 180ms ease;
}

.footer {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 560px) {
  .status, .result { grid-template-columns: 1fr; }
  .header h1 { font-size: 28px; }
}