/* ============================================
   MATILDA PROJECT ── SHOP
   悪魔の遺伝子を纏う
   ============================================ */

:root {
  --black: #0A0A0A;
  --black-deep: #050505;
  --pink: #E8B4B8;
  --pink-glow: #f2c8cc;
  --pink-dim: rgba(232, 180, 184, 0.4);
  --gold: #B33A3A;
  --crimson: #cc3333;
  --white: #F5F2F0;
  --text: #E0DCD8;
  --text-dim: #C8C4BF;
  --text-muted: #A09A94;
  --helix-purple: #7B2FFF;
  --helix-cyan: #00D4AA;
  --font-jp: 'Noto Serif JP', serif;
  --font-en: 'Cormorant Garamond', serif;
  --glow-pink: 0 0 30px rgba(232, 180, 184, 0.15), 0 0 60px rgba(232, 180, 184, 0.05);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-jp);
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}
::selection { background: var(--pink); color: var(--black); }
a { color: var(--pink); text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.85; }

/* ── Header ── */
.shop-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232, 180, 184, 0.08);
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.shop-header__logo {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--pink);
  letter-spacing: 0.2em;
}
.shop-header__nav { display: flex; align-items: center; gap: 1.5rem; }
.shop-header__nav a {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  transition: color 0.3s;
}
.shop-header__nav a:hover, .shop-header__nav a.is-active { color: var(--pink); opacity: 1; }
.shop-header__cart {
  position: relative;
  cursor: pointer;
  padding: 8px;
  color: var(--text-dim);
  transition: color 0.3s;
}
.shop-header__cart:hover { color: var(--pink); }
.shop-header__cart-badge {
  position: absolute; top: 2px; right: 0;
  background: var(--crimson);
  color: #fff;
  font-size: 0.65rem;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
}
.shop-header__cart-badge:empty { display: none; }

/* ── Helix Badge ── */
.helix-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: linear-gradient(135deg, var(--helix-purple), var(--helix-cyan));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.05em;
}
.helix-price {
  color: var(--helix-cyan);
  font-weight: 400;
}
.original-price {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Main ── */
.shop-main {
  padding-top: 96px;
  padding-bottom: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ── Section Title ── */
.section-title {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 300;
  color: var(--pink);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}
.section-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
}

/* ── Product Grid ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: rgba(20, 18, 16, 0.8);
  border: 1px solid rgba(232, 180, 184, 0.06);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.4s, box-shadow 0.4s, transform 0.3s;
  cursor: pointer;
}
.product-card:hover {
  border-color: rgba(232, 180, 184, 0.15);
  box-shadow: var(--glow-pink);
  transform: translateY(-2px);
}
.product-card__image-wrap {
  position: relative;
  width: 100%;
}
.product-card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--black-deep);
  display: block;
}
.product-card.is-sold-out .product-card__image {
  filter: grayscale(0.8) brightness(0.5);
}
.product-card__sold-out-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(1px);
  color: var(--pink);
  font-family: var(--font-en);
  letter-spacing: 0.3em;
  pointer-events: none;
}
.product-card__sold-out-overlay span:first-child {
  font-size: 1.3rem;
  font-weight: 300;
  border: 1px solid var(--pink-dim);
  padding: 6px 18px;
  background: rgba(10, 10, 10, 0.5);
}
.product-card__sold-out-overlay .sub {
  font-family: var(--font-jp);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}
.product-card.is-sold-out .product-card__name,
.product-card.is-sold-out .product-card__price {
  color: var(--text-muted);
}
.product-card.is-sold-out:hover {
  border-color: rgba(232, 180, 184, 0.08);
  box-shadow: none;
  transform: none;
}
.modal__stock--sold-out {
  color: var(--pink) !important;
  font-family: var(--font-en);
  letter-spacing: 0.2em;
}
.product-card__body { padding: 1.2rem; }
.product-card__name {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}
.product-card__price {
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--pink);
  letter-spacing: 0.05em;
}
.product-card__tags {
  display: flex; gap: 6px; margin-top: 0.6rem; flex-wrap: wrap;
}
.product-card__tag {
  font-size: 0.65rem;
  padding: 2px 8px;
  border: 1px solid rgba(232, 180, 184, 0.15);
  border-radius: 3px;
  color: var(--text-muted);
}
.product-card__tag--helix {
  border-color: var(--helix-purple);
  color: var(--helix-purple);
}
.product-card__tag--early {
  border-color: var(--helix-cyan);
  color: var(--helix-cyan);
}

/* ── Product Detail Modal ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center;
  padding: 2rem;
}
.modal-overlay.is-open { display: flex; }
.modal {
  background: #141210;
  border: 1px solid rgba(232, 180, 184, 0.1);
  border-radius: 12px;
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal__image {
  width: 100%;
  max-height: 400px;
  object-fit: contain;
  background: var(--black-deep);
}
.modal__body { padding: 2rem; }
.modal__name {
  font-size: 1.3rem;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 0.5rem;
}
.modal__description {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  white-space: pre-line;
}
.modal__price-area {
  display: flex; align-items: baseline; gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.modal__price {
  font-family: var(--font-en);
  font-size: 1.6rem;
  color: var(--pink);
}
.modal__stock {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.modal__stock--low { color: var(--crimson); }
.modal__actions {
  display: flex; gap: 0.8rem;
}
.modal__close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none; border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 12px 32px;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  border: 1px solid;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  border-radius: 4px;
}
.btn--primary {
  background: var(--pink);
  color: var(--black);
  border-color: var(--pink);
}
.btn--primary:hover {
  background: transparent;
  color: var(--pink);
  box-shadow: var(--glow-pink);
}
.btn--secondary {
  background: transparent;
  color: var(--pink);
  border-color: var(--pink-dim);
}
.btn--secondary:hover {
  background: var(--pink);
  color: var(--black);
}
.btn--helix {
  background: linear-gradient(135deg, var(--helix-purple), var(--helix-cyan));
  color: #fff;
  border: none;
}
.btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Cart Drawer ── */
.cart-drawer {
  position: fixed; top: 0; right: -420px; bottom: 0; z-index: 300;
  width: 400px; max-width: 90vw;
  background: #0d0b09;
  border-left: 1px solid rgba(232, 180, 184, 0.08);
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex; flex-direction: column;
}
.cart-drawer.is-open { right: 0; }
.cart-drawer__header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(232, 180, 184, 0.06);
  display: flex; justify-content: space-between; align-items: center;
}
.cart-drawer__title {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--pink);
  letter-spacing: 0.1em;
}
.cart-drawer__close {
  background: none; border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
}
.cart-drawer__items {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
}
.cart-drawer__empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 3rem 0;
}
.cart-item {
  display: flex; gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(232, 180, 184, 0.04);
}
.cart-item__image {
  width: 64px; height: 64px;
  object-fit: cover;
  border-radius: 4px;
  background: var(--black-deep);
}
.cart-item__info { flex: 1; }
.cart-item__name {
  font-size: 0.85rem;
  color: var(--white);
  margin-bottom: 4px;
}
.cart-item__price {
  font-size: 0.8rem;
  color: var(--pink);
}
.cart-item__qty {
  display: flex; align-items: center; gap: 8px;
  margin-top: 6px;
}
.cart-item__qty button {
  background: rgba(232, 180, 184, 0.08);
  border: 1px solid rgba(232, 180, 184, 0.12);
  color: var(--text);
  width: 28px; height: 28px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
}
.cart-item__qty span {
  font-size: 0.85rem;
  color: var(--text);
  min-width: 24px;
  text-align: center;
}
.cart-item__remove {
  background: none; border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  margin-top: 4px;
}
.cart-item__remove:hover { color: var(--crimson); }
.cart-drawer__footer {
  padding: 1.5rem;
  border-top: 1px solid rgba(232, 180, 184, 0.08);
}
.cart-drawer__total {
  display: flex; justify-content: space-between;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 1rem;
}
.cart-drawer__total-price {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--pink);
}
.cart-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: rgba(0, 0, 0, 0.5);
  display: none;
}
.cart-overlay.is-open { display: block; }

/* ── Checkout Page ── */
.checkout { max-width: 600px; margin: 0 auto; }
.checkout__form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.form-group input, .form-group textarea {
  background: rgba(20, 18, 16, 0.8);
  border: 1px solid rgba(232, 180, 184, 0.1);
  border-radius: 4px;
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--font-jp);
  font-size: 0.9rem;
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--pink-dim);
}
.order-summary {
  background: rgba(20, 18, 16, 0.8);
  border: 1px solid rgba(232, 180, 184, 0.06);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.order-summary__row {
  display: flex; justify-content: space-between;
  font-size: 0.85rem;
  padding: 4px 0;
  color: var(--text-dim);
}
.order-summary__row--total {
  border-top: 1px solid rgba(232, 180, 184, 0.08);
  margin-top: 8px;
  padding-top: 8px;
  font-size: 1rem;
  color: var(--white);
}
.order-summary__row--discount { color: var(--helix-cyan); }

/* ── Admin ── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.admin-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(232, 180, 184, 0.08);
}
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(232, 180, 184, 0.04);
  color: var(--text-dim);
}
.admin-table tr:hover td { background: rgba(232, 180, 184, 0.02); }
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.status-badge--pending { background: rgba(255, 193, 7, 0.15); color: #ffc107; }
.status-badge--paid { background: rgba(0, 212, 170, 0.15); color: var(--helix-cyan); }
.status-badge--shipped { background: rgba(123, 47, 255, 0.15); color: var(--helix-purple); }
.status-badge--delivered { background: rgba(232, 180, 184, 0.15); color: var(--pink); }
.status-badge--cancelled { background: rgba(204, 51, 51, 0.15); color: var(--crimson); }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 400;
  background: rgba(20, 18, 16, 0.95);
  border: 1px solid rgba(232, 180, 184, 0.15);
  border-radius: 8px;
  padding: 12px 20px;
  color: var(--text);
  font-size: 0.85rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s;
}
.toast.is-visible { transform: translateY(0); opacity: 1; }

/* ── Footer ── */
.shop-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(232, 180, 184, 0.04);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .shop-header { padding: 0 1rem; }
  .shop-main { padding-left: 1rem; padding-right: 1rem; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .product-card__body { padding: 0.8rem; }
  .product-card__name { font-size: 0.8rem; }
  .modal { margin: 1rem; }
  .section-title { font-size: 1.5rem; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
}