/**
 * カート・購入フロー用スタイル
 *
 * static_html/07_pronto_カートと購入フロー.html から転記。
 * 参照元: 07_pronto_カートと購入フロー.html（転記ベース）
 */

/* ==========================================
   CSS変数（カート用追加）
   ========================================== */
.cart-flow {
  --c-primary: #1B5E3B; /* ブランドカラー（深緑） */
}

/* ==========================================
   ボタン
   ========================================== */
.cart-flow .btn-primary,
.btn-primary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: var(--c-primary, #1B5E3B);
  color: white;
  border: 1px solid var(--c-primary, #1B5E3B);
  padding: 1rem 2rem;
  font-family: var(--f-sans);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.4s ease;
  cursor: pointer;
  width: 100%;
}

.cart-flow .btn-primary:hover,
.btn-primary:hover {
  opacity: 0.9;
}

.cart-flow .btn-secondary,
.btn-secondary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: white;
  color: var(--c-dark);
  border: 1px solid var(--c-dark);
  padding: 1rem 2rem;
  font-family: var(--f-sans);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.4s ease;
  cursor: pointer;
  width: 100%;
}

.cart-flow .btn-secondary:hover,
.btn-secondary:hover {
  background-color: var(--c-bg-alt);
}

/* ==========================================
   ステップインジケーター
   ========================================== */
.cart-flow .step-item,
.step-item {
  color: #999;
  transition: color 0.3s ease;
}

.cart-flow .step-item.active,
.step-item.active {
  color: var(--c-primary, #1B5E3B);
  font-weight: 500;
  border-bottom: 2px solid var(--c-primary, #1B5E3B);
  padding-bottom: 2px;
}

/* ==========================================
   フォーム部品（カート用）
   ========================================== */
.cart-flow .form-input,
.cart-flow .form-select {
  width: 100%;
  background-color: transparent;
  border: 1px solid var(--c-border);
  padding: 0.75rem 1rem;
  font-family: var(--f-sans);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--c-dark);
  transition: all 0.3s ease;
  outline: none;
}

.cart-flow .form-input:focus,
.cart-flow .form-select:focus {
  border-color: var(--c-primary, #1B5E3B);
  background-color: #fff;
}

.cart-flow .form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2214%22%20height%3D%2214%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%231A1A1A%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 14px;
}

.cart-flow .form-checkbox,
.cart-flow .form-radio,
.form-checkbox,
.form-radio {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--c-dark);
  border-radius: 0;
  outline: none;
  cursor: pointer;
  position: relative;
  background-color: transparent;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-top: 3px;
}

.cart-flow .form-radio,
.form-radio {
  border-radius: 50%;
}

.cart-flow .form-checkbox:checked,
.cart-flow .form-radio:checked,
.form-checkbox:checked,
.form-radio:checked {
  background-color: var(--c-primary, #1B5E3B);
  border-color: var(--c-primary, #1B5E3B);
}

.cart-flow .form-checkbox:checked::after,
.form-checkbox:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 1px 1px 0;
  transform: rotate(45deg);
}

.cart-flow .form-radio:checked::after,
.form-radio:checked::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 5px;
  width: 6px;
  height: 6px;
  background-color: white;
  border-radius: 50%;
}

/* ==========================================
   トグルコンテンツ（開閉）
   ========================================== */
.cart-flow .toggle-content,
.toggle-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.5s ease;
}

.cart-flow .toggle-content.open,
.toggle-content.open {
  max-height: 1000px;
  opacity: 1;
  margin-top: 1rem;
}

/* ==========================================
   カートアイテム
   ========================================== */
.cart-item {
  transition: opacity 0.3s ease;
}

/* ==========================================
   フェードイン
   ========================================== */
.fade-enter {
  animation: cartFadeIn 0.5s ease forwards;
}

@keyframes cartFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   クレジットカード入力欄
   ========================================== */
.credit-card-fields {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s ease;
}

.credit-card-fields.is-visible {
  max-height: 600px;
  opacity: 1;
}

.credit-card-inner {
  padding: 1.5rem 1.5rem 1.5rem 3.5rem;
  border-top: 1px solid #E5E0D8;
  background: #FAFAF9;
}

.credit-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 1.5rem;
}

.credit-card-field-full {
  grid-column: 1 / -1;
}

.credit-card-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: #1A1A1A;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}

.credit-card-label .required {
  font-size: 0.65rem;
  color: white;
  background: #8B7D3C;
  padding: 0.15em 0.4em;
  border-radius: 2px;
  font-weight: 400;
}

.credit-card-input {
  font-size: 1rem;
  padding: 0.75rem 1rem;
  letter-spacing: 0.12em;
  min-height: 48px;
}

.credit-card-input::placeholder {
  letter-spacing: 0.08em;
  color: #999;
}

.credit-card-hint {
  font-size: 0.7rem;
  color: #666;
  margin-top: 0.35rem;
  letter-spacing: 0.05em;
}

.cvv-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  background: transparent;
  color: #8B7D3C;
  cursor: help;
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
}

.cvv-help:hover {
  color: #1B5E3B;
  background: rgba(139, 125, 60, 0.15);
}

.credit-card-trust {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed #E5E0D8;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: #1B5E3B;
  letter-spacing: 0.06em;
}

.trust-badge svg {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .credit-card-grid {
    grid-template-columns: 1fr;
  }

  .credit-card-inner {
    padding-left: 1.5rem;
  }
}