:root {
  font-family: Arial, sans-serif;
  color: #1f2933;
}

body {
  margin: 0;
  background: #f5f7fa;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

section {
  background: #fff;
  padding: 16px;
  margin-bottom: 16px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

form, .filters, .quick-add {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

input, select, button {
  padding: 8px;
  border: 1px solid #cfd8dc;
  border-radius: 4px;
}

button {
  cursor: pointer;
  background: #2563eb;
  color: #fff;
  border: none;
}

button.secondary {
  background: #546e7a;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  border: 1px solid #e0e6ed;
  padding: 8px;
  text-align: left;
}

tbody tr.dragging {
  opacity: 0.6;
}

.error {
  color: #b91c1c;
  margin-top: 8px;
}