/* ==========================================================================
   DIMAQ Billing / VAT Section Styles
   File: dimaq-billing.css
   Loaded conditionally on: /dane-zamowienia/, /zamowienie/
   Based on: CheckoutStepOne.style.ts (Next.js source)
   ========================================================================== */

/* --- CSS Variables (standalone fallback) --- */
:root {
  --dimaq-gray0: #FAFAFA;
  --dimaq-gray05: #F5F5F5;
  --dimaq-gray10: #EEEEEE;
  --dimaq-gray40: #BDBDBD;
  --dimaq-gray60: #9E9E9E;
  --dimaq-gray80: #424242;
  --dimaq-gray100: #212121;
  --dimaq-primary50: #EF1800;
  --dimaq-primary05: #FFC9B9;
  --dimaq-primary0: #FFE8E6;
  --dimaq-alert50: #DE1C22;
  --dimaq-alert05: #FFE0E1;
  --dimaq-warning50: #FCA004;
  --dimaq-warning05: #FEF8E1;
  --dimaq-success50: #34C759;
  --dimaq-white: #FFFFFF;
}

/* --- VAT toggle row --- */
.dimaq-billing__vat-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border: 1px solid var(--dimaq-gray10);
  border-radius: 12px;
  background: var(--dimaq-gray0);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 24px;
}

.dimaq-billing__vat-toggle:hover {
  border-color: var(--dimaq-gray80);
}

.dimaq-billing__vat-toggle.is-active {
  border-color: var(--dimaq-primary50);
  background: var(--dimaq-primary0);
}

.dimaq-billing__vat-toggle-checkbox {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 1.5px solid var(--dimaq-gray60);
  border-radius: 4px;
  background: var(--dimaq-white);
  transition: all 0.2s;
}

.dimaq-billing__vat-toggle.is-active .dimaq-billing__vat-toggle-checkbox {
  background: var(--dimaq-primary50);
  border-color: var(--dimaq-primary50);
}

.dimaq-billing__vat-toggle.is-active .dimaq-billing__vat-toggle-checkbox::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--dimaq-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.dimaq-billing__vat-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.dimaq-billing__vat-toggle-label {
  font-family: "Fira Sans", sans-serif;
  font-weight: 600;
  font-size: 14px;
  line-height: 20px;
  color: var(--dimaq-gray100);
  flex: 1;
}

.dimaq-billing__vat-toggle-icon {
  flex-shrink: 0;
  color: var(--dimaq-gray60);
}

/* --- Collapsible company section --- */
.dimaq-billing__company-section {
  display: none;
  border: 1px solid var(--dimaq-gray10);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  background: var(--dimaq-white);
  animation: dimaqBillingSlide 0.25s ease-out;
}

.dimaq-billing__company-section.is-open {
  display: block;
}

@keyframes dimaqBillingSlide {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dimaq-billing__section-title {
  font-family: "Fira Sans", sans-serif;
  font-weight: 600;
  font-size: 16px;
  line-height: 24px;
  color: var(--dimaq-gray100);
  margin: 0 0 16px 0;
  padding: 0;
}

/* --- Foreign EU checkbox row --- */
.dimaq-billing__foreign-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border: 1px dashed var(--dimaq-gray40);
  border-radius: 8px;
  background: var(--dimaq-gray0);
  margin-bottom: 20px;
  cursor: pointer;
}

.dimaq-billing__foreign-row:hover {
  border-color: var(--dimaq-gray80);
}

.dimaq-billing__foreign-row-checkbox {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  border: 1.5px solid var(--dimaq-gray60);
  border-radius: 4px;
  background: var(--dimaq-white);
  transition: all 0.2s;
}

.dimaq-billing__foreign-row.is-active .dimaq-billing__foreign-row-checkbox {
  background: var(--dimaq-primary50);
  border-color: var(--dimaq-primary50);
}

.dimaq-billing__foreign-row.is-active .dimaq-billing__foreign-row-checkbox::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 9px;
  border: solid var(--dimaq-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.dimaq-billing__foreign-row-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.dimaq-billing__foreign-row-label {
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 18px;
  color: var(--dimaq-gray80);
  flex: 1;
}

.dimaq-billing__foreign-row-label strong {
  font-weight: 600;
  color: var(--dimaq-gray100);
}

/* --- Fields grid --- */
.dimaq-billing__fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.dimaq-billing__field {
  position: relative;
  display: flex;
  flex-direction: column;
}

.dimaq-billing__field--full {
  grid-column: 1 / -1;
}

.dimaq-billing__field-label {
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 12px;
  line-height: 16px;
  color: var(--dimaq-gray80);
  margin-bottom: 6px;
}

.dimaq-billing__input {
  width: 100%;
  padding: 12px 16px;
  height: 44px;
  border: 1px solid var(--dimaq-gray10);
  border-radius: 12px;
  background: var(--dimaq-white);
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  color: var(--dimaq-gray100);
  outline: none;
  transition: border-color 0.2s;
}

.dimaq-billing__input::placeholder {
  color: var(--dimaq-gray80);
}

.dimaq-billing__input:focus {
  border-color: var(--dimaq-gray100);
}

.dimaq-billing__input.is-invalid {
  border-color: var(--dimaq-alert50);
  background: var(--dimaq-alert05);
}

.dimaq-billing__input.is-valid {
  border-color: var(--dimaq-success50);
}

.dimaq-billing__input:disabled {
  background: var(--dimaq-gray05);
  color: var(--dimaq-gray60);
  cursor: not-allowed;
}

.dimaq-billing__select {
  width: 100%;
  padding: 12px 40px 12px 16px;
  height: 44px;
  border: 1px solid var(--dimaq-gray10);
  border-radius: 12px;
  background-color: var(--dimaq-white);
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23424242' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  color: var(--dimaq-gray100);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.dimaq-billing__select:focus {
  border-color: var(--dimaq-gray100);
}

.dimaq-billing__select.is-invalid {
  border-color: var(--dimaq-alert50);
  background-color: var(--dimaq-alert05);
}

/* --- Error / hint messages --- */
.dimaq-billing__field-error {
  display: none;
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 12px;
  line-height: 16px;
  color: var(--dimaq-alert50);
  margin-top: 6px;
  padding-left: 4px;
}

.dimaq-billing__field-error.is-visible {
  display: block;
}

.dimaq-billing__field-hint {
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 12px;
  line-height: 16px;
  color: var(--dimaq-gray60);
  margin-top: 6px;
  padding-left: 4px;
}

/* --- Foreign EU notice --- */
.dimaq-billing__notice {
  display: none;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 12px;
  background: var(--dimaq-warning05);
  border: 1px solid var(--dimaq-warning50);
  margin-top: 20px;
}

.dimaq-billing__notice.is-visible {
  display: flex;
}

.dimaq-billing__notice-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.dimaq-billing__notice-body {
  flex: 1;
}

.dimaq-billing__notice-title {
  font-family: "Fira Sans", sans-serif;
  font-weight: 600;
  font-size: 14px;
  line-height: 20px;
  color: var(--dimaq-gray100);
  margin: 0 0 4px 0;
}

.dimaq-billing__notice-text {
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 18px;
  color: var(--dimaq-gray80);
  margin: 0;
}

/* --- Summary VAT breakdown (used on /zamowienie/) --- */
.dimaq-billing__tax-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  color: var(--dimaq-gray80);
}

.dimaq-billing__tax-line--reverse {
  color: var(--dimaq-warning50);
  font-weight: 500;
  font-size: 13px;
}

.dimaq-billing__tax-line--reverse .dimaq-billing__tax-line-value {
  color: var(--dimaq-warning50);
  font-weight: 600;
}

.dimaq-billing__tax-line-value {
  font-weight: 600;
  color: var(--dimaq-gray100);
}

.dimaq-billing__tax-line-value .woocommerce-Price-amount {
  font-weight: 600;
  font-size: 14px;
  color: inherit;
}

/* --- Reverse charge badge (summary card) --- */
.dimaq-billing__reverse-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--dimaq-warning05);
  border: 1px solid var(--dimaq-warning50);
  color: var(--dimaq-warning50);
  font-family: "Fira Sans", sans-serif;
  font-weight: 600;
  font-size: 11px;
  line-height: 14px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* --- Mobile responsive --- */
@media (max-width: 768px) {
  .dimaq-billing__fields-grid {
    grid-template-columns: 1fr;
  }

  .dimaq-billing__company-section {
    padding: 20px 16px;
  }

  .dimaq-billing__vat-toggle {
    padding: 14px 16px;
  }
}

@media (max-width: 640px) {
  .dimaq-billing__notice {
    flex-direction: column;
    gap: 8px;
  }
}