/* =============================================================================
   Kartu Pirkti – Frontend CSS  (Mobile-first)
   ============================================================================= */

/* --- Kintamieji ----------------------------------------------------------- */
:root {
  --kp-blue:       #2563eb;
  --kp-blue-light: #eff6ff;
  --kp-blue-dark:  #1d4ed8;
  --kp-green:      #16a34a;
  --kp-green-dark: #15803d;
  --kp-red:        #dc2626;
  --kp-text:       #111827;
  --kp-text-muted: #6b7280;
  --kp-border:     #e5e7eb;
  --kp-bg:         #f9fafb;
  --kp-white:      #ffffff;
  --kp-shadow:     0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --kp-shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --kp-radius:     12px;
  --kp-radius-sm:  8px;
  --kp-transition: 0.2s ease;
}

/* --- Sekcija -------------------------------------------------------------- */
.kp-section {
  margin: 24px 0;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  color: var(--kp-text);
}

/* --- Pavadinimas ---------------------------------------------------------- */
.kp-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--kp-text);
  margin: 0 0 16px 0;
  padding: 0;
}

.kp-title-icon {
  font-size: 20px;
  line-height: 1;
}

/* --- Produktų sąrašas ----------------------------------------------------- */
.kp-products {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius);
  overflow: hidden;
  background: var(--kp-white);
  box-shadow: var(--kp-shadow);
}

/* --- Produkto kortelė (Mobile-first = visada) ----------------------------- */
.kp-product {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--kp-border);
  background: var(--kp-white);
  transition: background var(--kp-transition), border-color var(--kp-transition);
  position: relative;
}

.kp-product:last-child {
  border-bottom: none;
}

/* Pažymėta būsena */
.kp-product--checked {
  background: var(--kp-blue-light);
  border-left: 3px solid var(--kp-blue);
  padding-left: 13px;
}

/* Pagrindinis produktas */
.kp-product--main {
  background: #fafafa;
  border-left: 3px solid var(--kp-border);
  padding-left: 13px;
  opacity: 0.85;
}

/* --- Checkbox ------------------------------------------------------------- */
.kp-checkbox-wrap {
  flex: 0 0 auto;
  cursor: pointer;
  display: block;
}

.kp-checkbox {
  display: none;
}

.kp-checkmark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 2px solid var(--kp-border);
  border-radius: 6px;
  background: var(--kp-white);
  transition: all var(--kp-transition);
  color: transparent;
}

.kp-checkmark svg {
  width: 12px;
  height: 10px;
}

.kp-checkbox:checked + .kp-checkmark {
  background: var(--kp-blue);
  border-color: var(--kp-blue);
  color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,.35);
}

/* --- Nuotrauka ------------------------------------------------------------ */
.kp-product-thumb {
  flex: 0 0 auto;
  width: 70px;
  height: 70px;
}

.kp-product-thumb img,
.kp-product-thumb a {
  display: block;
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--kp-radius-sm);
  overflow: hidden;
  border: 1px solid var(--kp-border);
}

/* --- Informacija ---------------------------------------------------------- */
.kp-product-info {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kp-product-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--kp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kp-product-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--kp-text);
  text-decoration: none;
  line-height: 1.35;
  white-space: normal;
  word-break: break-word;
  transition: color var(--kp-transition);
}

.kp-product-name:hover {
  color: var(--kp-blue);
  text-decoration: none;
}

/* --- Kaina ---------------------------------------------------------------- */
.kp-product-price {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.kp-product-price .woocommerce-Price-amount,
.kp-price-current .woocommerce-Price-amount {
  font-size: 14px;
  font-weight: 700;
  color: var(--kp-text);
}

.kp-price-old {
  opacity: 0.5;
  font-size: 12px;
  color: var(--kp-text-muted) !important;
  text-decoration: line-through;
}

.kp-price-old .woocommerce-Price-amount {
  font-size: 12px !important;
  font-weight: 400 !important;
  color: var(--kp-text-muted) !important;
}

/* --- Kiekio valdiklis ----------------------------------------------------- */
.kp-qty-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 2px;
}

.kp-qty-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px !important;
  flex: 0 0 36px !important;
  height: 38px !important;
  padding: 0;
  border: 1px solid var(--kp-border);
  background: var(--kp-white);
  cursor: pointer;
  transition: background var(--kp-transition), border-color var(--kp-transition);
  color: var(--kp-text);
  -webkit-user-select: none;
  user-select: none;
}

.kp-qty-minus {
  border-radius: var(--kp-radius-sm) 0 0 var(--kp-radius-sm);
  border-right: none;
}

.kp-qty-plus {
  border-radius: 0 var(--kp-radius-sm) var(--kp-radius-sm) 0;
  border-left: none;
}

.kp-qty-btn:hover {
  background: var(--kp-bg);
  border-color: var(--kp-blue);
  color: var(--kp-blue);
}

.kp-qty-btn:active {
  background: var(--kp-blue-light);
}

.kp-qty-btn svg {
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.kp-qty-input {
  width: 56px !important;
  flex: 0 0 56px !important;
  height: 38px !important;
  line-height: 38px !important;
  text-align: center !important;
  border: 1px solid var(--kp-border);
  border-left: none;
  border-right: none;
  background: #ffffff !important;
  font-size: 15px !important;
  font-weight: 600;
  color: #111827 !important;
  -moz-appearance: textfield;
  appearance: textfield;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 0;
  box-shadow: none;
  outline: none;
  box-sizing: border-box !important;
}

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

.kp-qty-input:focus {
  border-color: var(--kp-blue);
  outline: none;
  box-shadow: none;
}

/* Pažymėto produkto kiekio valdiklis */
.kp-product--checked .kp-qty-btn {
  border-color: #bfdbfe;
}

.kp-product--checked .kp-qty-input {
  border-color: #bfdbfe;
}

/* --- Kintamieji produktai ------------------------------------------------- */
.kp-variable-notice {
  font-size: 12px;
  color: var(--kp-text-muted);
  margin-top: 4px;
}

/* --- Apatinė juosta ------------------------------------------------------- */
.kp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--kp-white);
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius);
  box-shadow: var(--kp-shadow);
  flex-wrap: wrap;
}

.kp-total-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kp-total-label {
  font-size: 12px;
  color: var(--kp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.kp-total-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--kp-text);
  line-height: 1;
  transition: color 0.3s ease;
}

.kp-total-price.kp-total-updating {
  opacity: 0.5;
}

.kp-total-price .woocommerce-Price-amount {
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
}

/* --- Mygtukas „Į krepšelį" ------------------------------------------------ */
.kp-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  background: #111827 !important;
  color: #fff !important;
  border: none;
  border-radius: var(--kp-radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--kp-transition);
  box-shadow: 0 3px 12px rgba(17,24,39,0.15) !important;
  white-space: nowrap;
  min-height: 48px;
}

.kp-add-btn:hover {
  background: #1f2937 !important;
  box-shadow: 0 5px 18px rgba(17,24,39,0.25) !important;
  transform: translateY(-1px);
}

.kp-add-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(17,24,39,0.15) !important;
}

.kp-add-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.kp-btn-icon {
  font-size: 18px;
  line-height: 1;
}

.kp-btn-spinner {
  animation: kp-spin 1s linear infinite;
}

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

/* --- Pranešimai ----------------------------------------------------------- */
.kp-message {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--kp-radius-sm);
  font-size: 14px;
  font-weight: 500;
  display: none;
  animation: kp-fade-in 0.3s ease;
}

.kp-message.kp-msg--success {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
  display: block;
}

.kp-message.kp-msg--error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  display: block;
}

.kp-message .kp-cart-link {
  display: inline-block;
  margin-top: 6px;
  color: var(--kp-blue);
  text-decoration: underline;
  font-weight: 600;
}

@keyframes kp-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================================================
   Tinklelio išdėstymas (Grid layout)
   ============================================================================= */
.kp-layout-grid .kp-products {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  border: none;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.kp-layout-grid .kp-product {
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius);
  border-bottom: 1px solid var(--kp-border);
  box-shadow: var(--kp-shadow);
  flex-direction: column;
  align-items: flex-start;
  padding: 14px;
}

.kp-layout-grid .kp-product-thumb {
  width: 100%;
  height: 140px;
  margin-bottom: 8px;
}

.kp-layout-grid .kp-product-thumb img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--kp-radius-sm);
}

.kp-layout-grid .kp-product--checked {
  border-color: var(--kp-blue);
  border-left: 1px solid var(--kp-blue);
  padding-left: 14px;
  background: var(--kp-blue-light);
}

.kp-layout-grid .kp-checkbox-wrap {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
}

/* =============================================================================
   Planšetės vaizdas (768px+)
   ============================================================================= */
@media (min-width: 768px) {
  .kp-product-thumb {
    width: 80px;
    height: 80px;
  }

  .kp-product-thumb img {
    width: 80px;
    height: 80px;
  }

  .kp-product-name {
    font-size: 15px;
  }

  .kp-qty-btn {
    width: 36px;
    height: 36px;
  }

  .kp-qty-input {
    width: 50px;
    height: 36px;
  }

  /* Tinklelis planšetėje: 2 stulpeliai */
  .kp-layout-grid .kp-products {
    grid-template-columns: 1fr 1fr;
  }
}

/* =============================================================================
   Stalo vaizdas (1024px+)
   ============================================================================= */
@media (min-width: 1024px) {
  .kp-section {
    margin: 28px 0;
  }

  .kp-product {
    padding: 16px 20px;
  }

  .kp-product-thumb {
    width: 72px;
    height: 72px;
  }

  .kp-product-thumb img {
    width: 72px;
    height: 72px;
  }

  /* Tinklelis staliniame: 3 stulpeliai */
  .kp-layout-grid .kp-products {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .kp-footer {
    padding: 16px 20px;
  }
}

/* =============================================================================
   Labai maži ekranai (iki 380px)
   ============================================================================= */
@media (max-width: 380px) {
  .kp-product {
    gap: 10px;
    padding: 12px;
  }

  .kp-product-thumb {
    width: 60px;
    height: 60px;
  }

  .kp-product-thumb img {
    width: 60px;
    height: 60px;
  }

  .kp-product-name {
    font-size: 13px;
  }

  .kp-footer {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .kp-total-wrap {
    align-items: center;
  }

  .kp-add-btn {
    justify-content: center;
    width: 100%;
  }

  .kp-total-price {
    font-size: 20px;
  }
}

/* =============================================================================
   Variantų pasirinkimas (inline)
   ============================================================================= */
.kp-variation-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
  margin-bottom: 4px;
}

.kp-attr-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.kp-attr-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--kp-text-muted);
  white-space: nowrap;
  min-width: 40px;
}

.kp-variation-select {
  flex: 0 1 190px !important;
  width: 190px !important;
  max-width: 190px !important;
  padding: 6px 24px 6px 10px !important;
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius-sm);
  font-size: 13px;
  color: var(--kp-text);
  background: var(--kp-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 8px center / 14px 14px;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--kp-transition), box-shadow var(--kp-transition);
  height: 32px !important;
}

.kp-variation-select:focus {
  outline: none;
  border-color: var(--kp-blue);
  box-shadow: 0 0 0 2px rgba(37,99,235,.15);
}

.kp-variation-select:hover {
  border-color: #9ca3af;
}

/* Pasirinkto varianto indikatoriai */
.kp-variation-status {
  font-size: 12px;
  font-weight: 500;
  margin: 2px 0 0 0;
  padding: 0;
}

.kp-variation-oos {
  color: var(--kp-red);
}

.kp-variation-none {
  color: #d97706;
}

/* =============================================================================
   Atjungto produkto stilius
   ============================================================================= */
.kp-product--disabled {
  opacity: 0.5;
  pointer-events: none;
}

.kp-product--disabled .kp-checkmark {
  opacity: 0.4;
}

/* Kai papildomas produktas nepažymėtas, išjungti jo pasirinkimus */
.kp-product:not(.kp-product--checked):not(.kp-product--main) .kp-variation-wrap,
.kp-product:not(.kp-product--checked):not(.kp-product--main) .kp-qty-wrap {
  opacity: 0.4;
  pointer-events: none;
  filter: grayscale(1);
  transition: all var(--kp-transition);
}