:root {
  --bg: #f4f6f8;
  --surface: #fff;
  --text: #17202a;
  --line: #d0d7de;
  --primary: #0f7cff;
}

* { box-sizing: border-box; }

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

header {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) minmax(180px, 260px) auto;
  gap: 10px;
  align-items: center;
  padding: 14px 22px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

h1, h2 { margin: 0; }
h1 { font-size: 22px; }
h2 { margin-bottom: 12px; font-size: 18px; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

section {
  margin-bottom: 14px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

input, textarea, button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
}

textarea, pre {
  width: 100%;
  overflow: auto;
}

button {
  margin-top: 10px;
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 700;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.orders-list {
  display: grid;
  gap: 10px;
  margin: 12px 0;
}

.order-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.order-card span,
.order-card small {
  display: block;
  margin-top: 4px;
}

.order-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.order-actions button {
  margin-top: 0;
  min-height: 34px;
  padding: 6px 9px;
  font-size: 13px;
}

pre {
  max-height: 320px;
  padding: 12px;
  background: #0f172a;
  color: #dbeafe;
  border-radius: 8px;
}

#status { color: #475467; }

@media (max-width: 760px) {
  header { grid-template-columns: 1fr; }
  .order-card { grid-template-columns: 1fr; }
  .order-actions { justify-content: flex-start; }
}