/* ─── Price Element ──────────────────────────────────────────────────────── */

.sqm-price-container {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}

.sqm-price-suffix {
  white-space: nowrap;
}

/* ─── Calculator Element ────────────────────────────────────────────────── */

.sqm-calc-container {
  width: 100%;
}

.sqm-calc-prompt {
  margin: 0 0 12px;
  font-style: italic;
  opacity: 0.7;
  line-height: 1.5;
}

.sqm-calc-attrs {
  font-weight: 600;
  font-style: normal;
}

.sqm-calc-body {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  transition: opacity 0.2s ease;
}

.sqm-calc-body.sqm-calc-disabled {
  opacity: 0.4;
  pointer-events: none;
  user-select: none;
}

.sqm-calc-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.sqm-calc-label {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

.sqm-calc-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.4;
  box-sizing: border-box;
  transition: border-color 0.15s ease;
  -moz-appearance: textfield;
}

.sqm-calc-input::-webkit-outer-spin-button,
.sqm-calc-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.sqm-calc-input:focus {
  outline: none;
  border-color: #000;
}

/* ─── Calculator ATC Button ─────────────────────────────────────────────── */

.sqm-calc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 12px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
  background-color: #000;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.15s ease, opacity 0.15s ease;
  text-align: center;
  gap: 6px;
}

.sqm-calc-btn:hover:not([disabled]):not(.loading) {
  background-color: #333;
}

.sqm-calc-btn[disabled] {
  background-color: #9ca3af;
  cursor: default;
}

.sqm-calc-btn.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.sqm-calc-btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sqm-spin 0.6s linear infinite;
}

.sqm-calc-btn.added {
  background-color: #16a34a;
}

@keyframes sqm-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .sqm-calc-body {
    flex-direction: column;
    gap: 8px;
  }

  .sqm-calc-input {
    padding: 6px 10px;
    font-size: 13px;
  }

  .sqm-calc-btn {
    padding: 8px 12px;
    font-size: 13px;
  }
}