:root {
  --bg: #1a1a1a;
  --panel: #262626;
  --accent: #e0a800;
  --text: #f0f0f0;
}

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

button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid #444;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 16px;
  cursor: pointer;
}

button.active, button:hover {
  border-color: var(--accent);
}

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 80px);
  gap: 8px;
}

.pos-layout {
  display: flex;
  gap: 16px;
}

.grid { flex: 2; }
.ticket { flex: 1; background: var(--panel); padding: 12px; border-radius: 8px; }

.items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.line {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}