:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1b1f27;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 20px;
}

.sidebar h1 {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 16px;
}

.client-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }

.client-item {
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}

.client-item:hover { background: var(--bg); }
.client-item.active { background: #eaf0ff; border-color: var(--accent); }
.client-item .name { font-weight: 600; font-size: 14px; }
.client-item .url { font-size: 12px; color: var(--muted); }

.main { flex: 1; padding: 28px; max-width: 980px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.hidden { display: none !important; }

.empty-state { color: var(--muted); text-align: center; padding: 60px 20px; }

form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}

form input[type="text"],
form input[type="url"],
form textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.hint { font-weight: 400; color: var(--muted); }

fieldset { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 14px; padding: 12px; }
legend { font-size: 13px; font-weight: 600; padding: 0 6px; }

.service-row { display: flex; gap: 8px; margin-bottom: 8px; }
.service-row input { flex: 1; }
.service-row button { flex-shrink: 0; }

.checkbox-row { display: flex; flex-wrap: wrap; gap: 12px; }
.checkbox-row label { display: flex; align-items: center; gap: 6px; font-weight: 400; margin: 0; }
.checkbox-row input { width: auto; margin: 0; }

.form-actions { display: flex; gap: 10px; margin-top: 16px; }

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { width: 100%; }
.btn-small { padding: 5px 10px; font-size: 12px; }

.detail-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.detail-actions { display: flex; gap: 8px; }
.muted { color: var(--muted); font-size: 13px; margin: 2px 0 0; }

.status { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.status.info { background: #eaf0ff; color: var(--accent); }
.status.error { background: #fdecec; color: var(--danger); }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab-btn {
  border: none;
  background: none;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-content { font-size: 14px; line-height: 1.5; }
.tab-content pre { white-space: pre-wrap; word-wrap: break-word; font-family: inherit; background: var(--bg); padding: 14px; border-radius: 8px; }
.tab-content img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.tab-content .field-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin: 14px 0 4px; }

.run-history { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.run-history-item { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; display: flex; justify-content: space-between; }
.run-history-item .topic { font-weight: 600; }
.run-history-item .meta { color: var(--muted); }

.copy-btn { float: right; }