* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: #0d1117;
  color: #c9d1d9;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }
header {
  margin-bottom: 24px;
  border-bottom: 1px solid #30363d;
  padding-bottom: 16px;
}
h1 {
  font-size: 1.8rem;
  font-weight: 600;
  background: linear-gradient(135deg, #f7931a, #ffab00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.subtitle { color: #8b949e; font-size: 0.9rem; margin-top: 4px; }
.card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  transition: border-color 0.2s;
}
.card.online { border-left: 3px solid #3fb950; }
.card.offline {
  border-left: 3px solid #f85149;
  opacity: 0.55;
}
.card .hostname {
  font-weight: 600;
  font-size: 1rem;
  min-width: 140px;
}
.card .platform {
  font-size: 0.75rem;
  background: #21262d;
  padding: 2px 8px;
  border-radius: 4px;
  color: #8b949e;
  text-transform: uppercase;
}
.card .stat {
  font-size: 0.85rem;
  color: #8b949e;
}
.card .stat strong { color: #c9d1d9; }
.card .status-badge {
  margin-left: auto;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
}
.card.online .status-badge {
  background: #0d4429;
  color: #3fb950;
}
.card.offline .status-badge {
  background: #441010;
  color: #f85149;
}
.card.found {
  border: 2px solid #f7931a;
  border-left: 4px solid #f7931a;
  background: linear-gradient(135deg, #1a1208, #161b22);
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}
.found-badge {
  font-size: 1rem;
  font-weight: 700;
  color: #ffab00;
  text-align: center;
  padding: 8px;
  background: rgba(247,147,26,0.1);
  border-radius: 4px;
  letter-spacing: 1px;
}
.found-key {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
}
.key-label {
  color: #8b949e;
  min-width: 60px;
  flex-shrink: 0;
}
.key-value {
  color: #e6edf3;
  font-family: 'Courier New', monospace;
  word-break: break-all;
}
.key-wif {
  color: #f7931a;
  font-weight: 600;
  font-size: 0.8rem;
}
.found-hint {
  font-size: 0.8rem;
  color: #8b949e;
  padding: 4px 8px;
  background: rgba(247,147,26,0.05);
  border-radius: 4px;
  text-align: center;
}
.found-hint b { color: #ffab00; }
.del-btn {
  background: none;
  border: none;
  color: #484f58;
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
  margin-left: auto;
}
.del-btn:hover {
  color: #f85149;
  background: #21262d;
}
.shutdown-btn {
  background: none;
  border: none;
  color: #484f58;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.shutdown-btn:hover {
  color: #f7931a;
  background: #21262d;
}
.card .puzzle-badge {
  background: #1f2937;
  color: #f7931a;
  font-size: 0.8rem;
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 600;
}
#offline { margin-top: 24px; }
#offline h3 { color: #f85149; font-size: 0.9rem; margin-bottom: 8px; }
footer {
  margin-top: 32px;
  text-align: center;
  color: #484f58;
  font-size: 0.8rem;
  border-top: 1px solid #21262d;
  padding-top: 16px;
}
#instructions {
  margin-top: 32px;
  padding: 20px;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
}
#instructions h2 {
  font-size: 1rem;
  color: #8b949e;
  margin-bottom: 12px;
  font-weight: 500;
}
#instructions .step {
  padding: 8px 10px;
  margin: 4px 0;
  background: #0d1117;
  border-radius: 4px;
  font-size: 0.85rem;
  color: #c9d1d9;
  line-height: 1.5;
}
#instructions .step b { color: #f7931a; }
#instructions .step a { color: #58a6ff; }
#instructions .step.warn {
  background: #1a1208;
  border: 1px solid #f7931a;
  color: #ffab00;
}
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: #484f58;
}
.empty-state .icon { font-size: 3rem; margin-bottom: 12px; }