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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d1117;
  color: #e6edf3;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

header {
  padding: 10px 16px;
  background: #161b22;
  border-bottom: 1px solid #30363d;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

header h1 { font-size: 1.1rem; color: #58a6ff; }
header .subtitle { font-size: 0.8rem; color: #8b949e; }

.layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#network {
  flex: 1;
  height: 100%;
}

.sidebar {
  width: 260px;
  background: #161b22;
  border-left: 1px solid #30363d;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8b949e;
  border-bottom: 1px solid #30363d;
  padding-bottom: 6px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
  color: #c9d1d9;
}

input[type="range"] {
  accent-color: #58a6ff;
  width: 100%;
}

input[type="text"] {
  padding: 5px 8px;
  border: 1px solid #30363d;
  border-radius: 6px;
  background: #0d1117;
  color: #e6edf3;
  font-size: 0.82rem;
  outline: none;
  width: 100%;
}
input[type="text"]:focus { border-color: #58a6ff; }
input[type="text"]::placeholder { color: #484f58; }

.value-display {
  color: #58a6ff;
  font-size: 0.78rem;
  font-weight: 600;
}

button {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid #30363d;
  border-radius: 6px;
  background: #21262d;
  color: #c9d1d9;
  cursor: pointer;
  font-size: 0.82rem;
  transition: background 0.15s;
}

button:hover { background: #30363d; }

.btn-row {
  display: flex;
  gap: 6px;
}
.btn-row button { flex: 1; }

.stats {
  font-size: 0.78rem;
  color: #8b949e;
  line-height: 1.6;
}

.stats b { color: #c9d1d9; }

#selection-info {
  overflow-wrap: break-word;
  word-break: break-word;
  min-height: 1.6em;
}

.alias-label { color: #8b949e; font-size: 0.75rem; }