:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #667085;
  --primary: #1f6feb;
  --primary-dark: #1557b0;
  --danger: #c62828;
  --border: #d8dee9;
  --soft: #eef4ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  background: linear-gradient(135deg, #12345b, #1f6feb);
  color: white;
  padding: 22px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
h1 { margin: 0; font-size: 34px; letter-spacing: 2px; }
header p { margin: 4px 0 0; opacity: .9; }
main { max-width: 1180px; margin: 20px auto; padding: 0 14px 40px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, .06);
}
.controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
}
label { font-weight: 700; font-size: 14px; }
input {
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
}
button {
  border: 0;
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  cursor: pointer;
  font-size: 15px;
}
button:hover { background: var(--primary-dark); }
button.secondary { background: #667085; }
button.secondary:hover { background: #4b5563; }
button.danger { background: var(--danger); }
button.danger:hover { background: #9f1f1f; }
h2 { margin: 0 0 14px; font-size: 22px; }
.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 14px;
}
.category {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.category h3 {
  margin: 0;
  padding: 12px 14px;
  background: var(--soft);
  color: #12345b;
  font-size: 18px;
}
.item-row {
  display: grid;
  grid-template-columns: 1fr 92px;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
}
.item-row span { font-size: 15px; }
.item-row input { margin: 0; text-align: center; }
.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.muted { color: var(--muted); margin-bottom: 8px; }
.grand-total {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  margin: 6px 0 14px;
}
table { width: 100%; border-collapse: collapse; }
th, td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  text-align: left;
}
th { background: #f8fafc; }
.tables-list { display: grid; gap: 10px; }
.table-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.table-card strong { font-size: 18px; }
.table-actions { display: flex; gap: 8px; }
dialog {
  border: 0;
  border-radius: 16px;
  width: min(950px, 95vw);
  padding: 0;
}
.dialog-box { padding: 18px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
@media (max-width: 820px) {
  .controls, .menu-grid { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}