* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #f3f6fb;
  color: #0f172a;
}
.layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 12px;
  min-height: 100vh;
  padding: 12px;
}
.panel, .editor {
  background: #fff;
  border: 1px solid #dbe3ef;
  border-radius: 14px;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
}
.panel { padding: 12px; }
.editor { padding: 14px; }
.h1 { margin: 0 0 10px; font-size: 1.2rem; }
.muted { color: #475569; font-size: 12px; }
.popup-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.popup-item {
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 8px;
  cursor: pointer;
  background: #f8fafc;
}
.popup-item.active {
  border-color: #2563eb;
  background: #dbeafe;
}
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
button {
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #f8fafc;
  color: #0f172a;
  padding: 8px 10px;
  cursor: pointer;
}
button.primary {
  background: #1d4ed8;
  border-color: #1d4ed8;
  color: #fff;
}
.grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.field {
  display: grid;
  gap: 4px;
}
.field.full { grid-column: 1 / -1; }
label { font-size: 12px; color: #334155; }
input, textarea, select {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 9px 10px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 84px; resize: vertical; }
.row { display: flex; gap: 8px; align-items: center; }
.sep { height: 1px; background: #e2e8f0; margin: 14px 0; }
.fields-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.field-row {
  display: grid;
  grid-template-columns: 110px 1fr 1fr 1fr 80px 80px 70px;
  gap: 6px;
  margin-top: 6px;
}
.status {
  margin-top: 10px;
  padding: 10px;
  border-radius: 10px;
  font-size: 13px;
}
.status table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
}
.status th, .status td {
  text-align: left;
  border-bottom: 1px solid #dbe3ef;
  padding: 6px 4px;
  font-size: 12px;
  vertical-align: top;
}
.status code {
  background: #eef2ff;
  padding: 1px 4px;
  border-radius: 5px;
}
.status.ok { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.status.err { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.preview {
  margin-top: 12px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  width: 100%;
  min-height: 360px;
}
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}