:root {
  --caja-bg-1: #f4f7fb;
  --caja-bg-2: #e8f0fb;
  --caja-panel: #ffffff;
  --caja-border: #dbe5f2;
  --caja-title: #16365f;
  --caja-muted: #67788f;
  --caja-accent: #0ea86b;
  --caja-accent-soft: #e7f8f0;
}

.caja-main {
  background: linear-gradient(135deg, var(--caja-bg-1) 0%, var(--caja-bg-2) 100%);
  border-radius: 16px;
  padding-bottom: 1.5rem;
}

.caja-subtitle {
  color: var(--caja-muted);
  font-size: 0.95rem;
}

.preview-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--caja-accent-soft);
  color: #0f7f53;
  border: 1px solid #b8eacc;
  border-radius: 100px;
  padding: 0.35rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.caja-card {
  background: var(--caja-panel);
  border: 1px solid var(--caja-border);
  border-radius: 14px;
  box-shadow: 0 10px 22px rgba(24, 54, 97, 0.08);
}

.pos-toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

.pos-search-wrap {
  position: relative;
}

.pos-search-wrap i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #7c90a8;
}

.pos-search-wrap input {
  padding-left: 2.15rem;
  background: #f8fbff;
}

.pos-table thead th {
  color: var(--caja-title);
  background: #f5f9ff;
  border-bottom: 1px solid var(--caja-border);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pos-table td {
  border-color: #edf2f8;
}

.resumen-card .card-title {
  color: var(--caja-title);
  font-weight: 700;
}

.resumen-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.55rem;
  color: var(--caja-muted);
  font-size: 0.93rem;
}

.resumen-row strong {
  color: #21354b;
  text-align: right;
}

.resumen-row.total {
  border-top: 1px dashed var(--caja-border);
  margin-top: 0.6rem;
  padding-top: 0.65rem;
  font-size: 1.08rem;
}

.resumen-row.total strong,
.resumen-row.total span {
  color: #0e355e;
}

.numpad-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
}

.numpad-grid button {
  border: 1px solid var(--caja-border);
  border-radius: 10px;
  background: #f8fbff;
  color: #344f6d;
  font-weight: 700;
  min-height: 44px;
}

button:disabled,
input:disabled {
  opacity: 1;
  cursor: not-allowed;
}

@media (max-width: 991px) {
  .pos-toolbar {
    grid-template-columns: 1fr;
  }
}