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

:root {
  --bg: #0f1419;
  --surface: #1a2029;
  --surface-2: #232b37;
  --border: #2d3748;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #10b981;
  --warning: #f59e0b;
  --clash: #10b981;
  --v2ray: #6366f1;
  --rocket: #f59e0b;
  --text-tag: #8b5cf6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.hero {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #1e293b 0%, #0f1419 100%);
  border-radius: 16px;
  border: 1px solid var(--border);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--surface-2);
  padding: 18px 28px;
  border-radius: 12px;
  border: 1px solid var(--border);
  min-width: 130px;
}

.stat-card .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card .label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.meta {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.token-banner {
  margin-top: 16px;
  padding: 10px 16px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10b981;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.card header {
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1.2rem;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card header p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fff;
}

.badge.clash { background: var(--clash); }
.badge.v2ray { background: var(--v2ray); }
.badge.rocket { background: var(--rocket); }
.badge.text { background: var(--text-tag); }

.url-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.url-row input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 0.85rem;
  outline: none;
  min-width: 0;
}

.url-row input:focus {
  border-color: var(--primary);
}

.url-row button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s;
  white-space: nowrap;
}

.url-row button:hover {
  background: var(--primary-hover);
}

.url-row button.copied {
  background: var(--success);
}

.qr {
  text-align: center;
  padding: 12px;
  background: #fff;
  border-radius: 8px;
  margin-bottom: 16px;
  min-height: 184px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr img,
.qr canvas {
  display: block;
}

details {
  font-size: 0.88rem;
  background: var(--surface-2);
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
}

details summary {
  font-weight: 600;
  color: var(--primary);
  user-select: none;
}

details ol {
  margin-top: 10px;
  padding-left: 22px;
}

details li {
  margin: 4px 0;
  color: var(--text-dim);
}

details p {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

details a {
  color: var(--primary);
}

.footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer .warning {
  margin-top: 8px;
  color: var(--warning);
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .stat-card { padding: 14px 20px; min-width: 100px; }
  .stat-card .num { font-size: 1.5rem; }
  .url-row { flex-direction: column; }
  .url-row button { width: 100%; }
}