:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #d1d5db;
  --accent: #0a7d3e;
  --accent-hover: #086633;
  --danger: #b91c1c;
  --success: #047857;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.hero { margin-bottom: 32px; }
.hero h1 { margin: 0 0 8px; font-size: 28px; }
.tagline { margin: 0 0 12px; color: var(--muted); }
.trust {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  color: #064e3b;
  margin: 0;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  display: none;
}
.step.active { display: block; }
.step h2 {
  margin: 0 0 16px;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 13px;
  font-weight: 600;
}
.hint { color: var(--muted); margin-top: 0; font-size: 14px; }

form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--muted);
}

input[type="password"],
input[type="text"],
input[type="search"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: white;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(10, 125, 62, 0.15);
}

button {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
}
button.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.primary:disabled {
  background: #9ca3af;
  border-color: #9ca3af;
  cursor: not-allowed;
}
button.secondary {
  background: white;
  color: var(--text);
  border-color: var(--border);
}
button.secondary:hover { background: #f3f4f6; }
button.link {
  background: none;
  border: none;
  color: var(--accent);
  padding: 6px 8px;
  font-size: 13px;
}
button.link:hover { text-decoration: underline; }

form > input,
form > select { margin-bottom: 16px; }

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 8px;
}
.row.toolbar { margin-bottom: 12px; }
.row.toolbar #net-filter { flex: 1; min-width: 200px; margin-bottom: 0; }

.network-list {
  border: 1px solid var(--border);
  border-radius: 6px;
  max-height: 360px;
  overflow-y: auto;
  background: white;
}
.network-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid #eef0f3;
  cursor: pointer;
  font-size: 14px;
}
.network-row:last-child { border-bottom: none; }
.network-row:hover { background: #f9fafb; }
.network-row input { width: auto; margin: 0; }
.network-row .name { flex: 1; }
.network-row .tags {
  font-size: 12px;
  color: var(--muted);
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
}

.loading {
  padding: 12px;
  color: var(--muted);
  font-size: 14px;
}

.progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: #f9fafb;
  border-radius: 6px;
  font-size: 14px;
}
.progress-row .net-name { flex: 1; font-weight: 500; }
.progress-row .status { font-size: 13px; color: var(--muted); }
.progress-row.done { background: #ecfdf5; }
.progress-row.done .status { color: var(--success); }
.progress-row.error { background: #fef2f2; }
.progress-row.error .status { color: var(--danger); }

.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-top: 12px;
}
.success { color: var(--success); font-weight: 600; }
.hidden { display: none !important; }

.summary-details {
  margin-top: 18px;
  font-size: 14px;
}
.summary-details summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 500;
}
.summary-details ul {
  margin-top: 8px;
  padding-left: 20px;
  color: var(--muted);
}

footer {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
footer p { margin: 0; }