/* ============================================
   components.css — 祇园 · 组件样式
   ============================================ */

/* ===== 头部导航 ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  background: rgba(245,240,235,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--transition-fast);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%; display: flex; align-items: center;
  justify-content: space-between;
}
.header-logo {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  letter-spacing: 0.1em; color: var(--color-text);
  display: flex; align-items: center; gap: var(--space-sm);
}
.header-logo .logo-icon { font-size: 1.5rem; }
.header-logo .logo-sub {
  font-family: var(--font-en); font-size: 0.65rem; font-weight: 400;
  color: var(--color-text-muted); letter-spacing: 0.15em;
  display: block; margin-top: -2px;
}
.header-nav { display: flex; align-items: center; gap: var(--space-lg); }
.header-nav a {
  font-size: 0.85rem; color: var(--color-text-secondary);
  letter-spacing: 0.05em; transition: color var(--transition-fast);
  position: relative;
}
.header-nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--color-accent);
  transition: width var(--transition-fast);
}
.header-nav a:hover { color: var(--color-text); }
.header-nav a:hover::after { width: 100%; }
.header-nav a.active { color: var(--color-text); }
.header-nav a.active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: var(--space-md); }

.cart-btn {
  position: relative; width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 1.2rem;
}
.cart-btn:hover { background: var(--color-bg-alt); }
.cart-count {
  position: absolute; top: 2px; right: 2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-accent); color: var(--color-white);
  font-size: 0.65rem; font-weight: 500;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.5); transition: all var(--transition-fast);
}
.cart-count.visible { opacity: 1; transform: scale(1); }
.hamburger {
  display: none; width: 32px; height: 32px;
  flex-direction: column; justify-content: center; gap: 5px;
  cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 100%; height: 1.5px;
  background: var(--color-text); transition: all var(--transition-fast);
  border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px,4px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px,-4px); }

/* ===== Hero ===== */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: var(--space-3xl) 0;
}
.hero-bg {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(196,149,106,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(168,197,176,0.1) 0%, transparent 50%);
  z-index: 0;
}
.hero-content { position: relative; z-index: 1; max-width: 600px; }
.hero-tag {
  font-family: var(--font-en); font-size: 0.8rem;
  color: var(--color-accent); letter-spacing: 0.2em;
  margin-bottom: var(--space-lg); text-transform: uppercase;
}
.hero h1 { margin-bottom: var(--space-md); }
.hero h1 .highlight { color: var(--color-accent); }
.hero p { font-size: 1.05rem; margin-bottom: var(--space-xl); max-width: 480px; }
.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

.hero-visual {
  position: absolute; right: -5%; top: 50%; transform: translateY(-50%);
  width: 45%; max-width: 600px; z-index: 1;
  display: flex; justify-content: center; align-items: center;
}
.hero-crystal {
  width: 100%; aspect-ratio: 1;
  background: radial-gradient(ellipse at 40% 30%, rgba(196,149,106,0.2), rgba(139,115,85,0.05) 60%);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  animation: float 6s ease-in-out infinite;
  position: relative;
}
.hero-crystal-inner {
  width: 70%; height: 70%;
  background: radial-gradient(ellipse at 35% 30%, rgba(196,149,106,0.25), transparent 70%);
  border-radius: 50%;
  border: 1px solid rgba(196,149,106,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem; opacity: 0.7;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.hero-scroll {
  position: absolute; bottom: var(--space-xl); left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: var(--space-sm);
  color: var(--color-text-muted); font-size: 0.7rem; letter-spacing: 0.1em;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== 产品卡片网格 ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}
.product-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: pointer;
  border: 1px solid var(--color-border-light);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(196,149,106,0.2);
}
.product-card-image {
  position: relative; aspect-ratio: 4/3;
  overflow: hidden; background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
}
.product-card-image .product-emoji { font-size: 4rem; opacity: 0.8; }
.product-card-image .crystal-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(245,240,235,0.9) 100%);
}
.product-card-body { padding: var(--space-lg); }
.product-card-category {
  font-size: 0.7rem; color: var(--color-accent);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: var(--space-xs);
}
.product-card h3 { font-size: 1.1rem; margin-bottom: var(--space-xs); }
.product-card .product-card-subtitle {
  font-size: 0.8rem; color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.product-card-footer {
  display: flex; align-items: center;
  justify-content: space-between;
}
.product-price {
  font-family: var(--font-display); font-size: 1.15rem;
  font-weight: 600; color: var(--color-text);
}
.product-price .price-symbol { font-size: 0.85rem; }

/* ===== 产品详情 ===== */
.product-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl);
  align-items: start; padding: var(--space-2xl) 0;
}
.product-detail-gallery {
  position: sticky; top: calc(var(--header-height) + var(--space-xl));
}
.product-detail-image {
  aspect-ratio: 1;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 8rem;
  border: 1px solid var(--color-border-light);
  position: relative;
}
.product-detail-image .crystal-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 40% 30%, rgba(196,149,106,0.1), transparent 60%);
  border-radius: var(--radius-lg); pointer-events: none;
}
.product-detail-info { padding-top: var(--space-md); }
.product-detail-info .product-category {
  font-family: var(--font-en); font-size: 0.8rem;
  color: var(--color-accent); letter-spacing: 0.2em;
  text-transform: uppercase; margin-bottom: var(--space-sm);
}
.product-detail-info h1 { margin-bottom: var(--space-sm); }
.product-detail-info .product-price-lg {
  font-family: var(--font-display); font-size: 2rem;
  font-weight: 600; color: var(--color-text);
  margin-bottom: var(--space-lg);
}
.product-description { margin-bottom: var(--space-lg); }
.product-description p { margin-bottom: var(--space-md); }
.product-attributes {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md);
  margin-bottom: var(--space-lg); padding: var(--space-lg);
  background: var(--color-bg-alt); border-radius: var(--radius-md);
}
.product-attribute-label {
  font-size: 0.7rem; color: var(--color-text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: var(--space-xs);
}
.product-attribute-value {
  font-size: 0.9rem; font-weight: 400; color: var(--color-text);
}
.product-detail-actions { display: flex; gap: var(--space-md); }
.product-detail-actions .btn { flex: 1; }
.back-link {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  color: var(--color-text-muted); font-size: 0.85rem;
  margin-bottom: var(--space-lg); transition: color var(--transition-fast);
}
.back-link:hover { color: var(--color-accent); }

/* ===== 特色系列 ===== */
.featured-series {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg);
}
.series-card {
  text-align: center; padding: var(--space-xl) var(--space-lg);
  background: var(--color-bg-card); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-slow);
}
.series-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-md);
  border-color: rgba(196,149,106,0.2);
}
.series-icon { font-size: 3rem; margin-bottom: var(--space-md); }
.series-card h3 { margin-bottom: var(--space-sm); }
.series-card p { font-size: 0.85rem; }
.series-card .series-energy {
  margin-top: var(--space-md); padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
  font-size: 0.75rem; color: var(--color-accent);
  font-family: var(--font-en); font-style: italic;
}

/* ===== 关于区 ===== */
.about-section {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl);
  align-items: center;
}
.about-visual {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, rgba(168,197,176,0.2), rgba(196,149,106,0.1));
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 6rem; border: 1px solid var(--color-border-light);
}
.about-text h2 { margin-bottom: var(--space-md); }
.about-text p { margin-bottom: var(--space-md); }
.about-text .divider { margin: var(--space-lg) 0; }

/* ===== Footer & Auth & Cart & Admin等 ===== */
.footer {
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-2xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl); margin-bottom: var(--space-2xl);
}
.footer-brand .header-logo { margin-bottom: var(--space-md); }
.footer-brand p { font-size: 0.85rem; max-width: 280px; }
.footer-col h4 { font-size: 0.85rem; margin-bottom: var(--space-md); letter-spacing: 0.05em; }
.footer-col a {
  display: block; font-size: 0.85rem; color: var(--color-text-secondary);
  padding: var(--space-xs) 0; transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  text-align: center; padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
  font-size: 0.8rem; color: var(--color-text-muted);
}

/* ===== Auth 表单 ===== */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - var(--header-height) - 100px); }
.auth-card {
  width: 100%; max-width: 420px; padding: var(--space-2xl);
  background: var(--color-bg-card); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}
.auth-card h2 { text-align: center; margin-bottom: var(--space-sm); }
.auth-card .auth-subtitle {
  text-align: center; font-size: 0.85rem; color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}
.form-group { margin-bottom: var(--space-lg); }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 400;
  color: var(--color-text-secondary); margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}
.form-input {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  color: var(--color-text);
}
.form-input:focus { border-color: var(--color-accent); }
.form-input::placeholder { color: var(--color-text-muted); }
.form-footer { text-align: center; margin-top: var(--space-lg); font-size: 0.85rem; }
.form-footer a { color: var(--color-accent); font-weight: 500; }
.form-error { color: var(--color-error); font-size: 0.8rem; margin-top: var(--space-xs); display: none; }
.form-error.visible { display: block; }
.form-success { color: var(--color-success); font-size: 0.85rem; text-align: center; margin-top: var(--space-md); }

/* ===== 购物车 ===== */
.cart-page { padding: var(--space-2xl) 0; }
.cart-empty {
  text-align: center; padding: var(--space-3xl) 0;
}
.cart-empty .empty-icon { font-size: 4rem; margin-bottom: var(--space-lg); }
.cart-empty p { margin-bottom: var(--space-lg); }
.cart-item {
  display: grid; grid-template-columns: 80px 1fr auto auto auto;
  gap: var(--space-lg); align-items: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border-light);
}
.cart-item-image {
  width: 80px; height: 80px; border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
}
.cart-item-info h4 { font-size: 1rem; margin-bottom: var(--space-xs); }
.cart-item-info .cart-item-crystal { font-size: 0.8rem; color: var(--color-text-muted); }
.cart-item-price { font-family: var(--font-display); font-size: 1rem; font-weight: 600; }
.cart-item-qty { display: flex; align-items: center; gap: var(--space-sm); }
.qty-btn {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--color-border); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; transition: all var(--transition-fast);
  background: var(--color-white);
}
.qty-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.qty-value { font-size: 0.9rem; width: 24px; text-align: center; }
.cart-item-remove {
  color: var(--color-text-muted); cursor: pointer;
  font-size: 1.2rem; transition: color var(--transition-fast);
}
.cart-item-remove:hover { color: var(--color-error); }
.cart-summary {
  margin-top: var(--space-xl); margin-left: auto;
  max-width: 320px; padding: var(--space-xl);
  background: var(--color-bg-card); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}
.cart-summary-row { display: flex; justify-content: space-between; padding: var(--space-sm) 0; font-size: 0.9rem; }
.cart-summary-row.total {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-sm); padding-top: var(--space-md);
  font-weight: 600; font-size: 1.1rem;
}
.cart-summary .btn { width: 100%; margin-top: var(--space-lg); }

/* ===== 后台管理 ===== */
.admin-layout { display: flex; min-height: calc(100vh - var(--header-height)); }
.admin-sidebar {
  width: 220px; background: var(--color-bg-card);
  border-right: 1px solid var(--color-border-light);
  padding: var(--space-xl) 0; flex-shrink: 0;
}
.admin-sidebar-item {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer; font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  display: flex; align-items: center; gap: var(--space-sm);
}
.admin-sidebar-item:hover { background: var(--color-bg); color: var(--color-text); }
.admin-sidebar-item.active {
  border-left-color: var(--color-accent);
  background: var(--color-bg); color: var(--color-text);
}
.admin-main { flex: 1; padding: var(--space-xl); overflow-x: auto; }
.admin-header { margin-bottom: var(--space-xl); }
.admin-header h2 { margin-bottom: var(--space-xs); }
.admin-header p { font-size: 0.85rem; }
.admin-table { width: 100%; }
.admin-table th {
  text-align: left; padding: var(--space-md);
  font-size: 0.75rem; color: var(--color-text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
  font-weight: 400;
}
.admin-table td {
  padding: var(--space-md);
  font-size: 0.9rem; border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}
.admin-table tr:hover td { background: var(--color-bg); }
.admin-table .admin-actions { display: flex; gap: var(--space-sm); }
.admin-table .admin-actions button { font-size: 0.8rem; cursor: pointer; transition: color var(--transition-fast); }
.admin-table .admin-actions .edit-btn { color: var(--color-accent); }
.admin-table .admin-actions .delete-btn { color: var(--color-error); }
.admin-table .admin-actions button:hover { opacity: 0.7; }
.admin-form-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(44,44,44,0.4);
  backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
}
.admin-form-overlay.visible { display: flex; }
.admin-form-card {
  width: 100%; max-width: 520px; max-height: 80vh;
  background: var(--color-white); border-radius: var(--radius-lg);
  padding: var(--space-xl); overflow-y: auto;
}
.admin-form-card h3 { margin-bottom: var(--space-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-actions { display: flex; gap: var(--space-md); justify-content: flex-end; margin-top: var(--space-lg); }
.form-actions .btn { min-width: 100px; }
.status-badge {
  display: inline-flex; padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full); font-size: 0.75rem;
}
.status-badge.pending { background: #FFF3E0; color: #E65100; }
.status-badge.processing { background: #E3F2FD; color: #1565C0; }
.status-badge.shipped { background: #E8F5E9; color: #2E7D32; }
.status-badge.delivered { background: #F3E5F5; color: #6A1B9A; }

/* ===== 关于页 ===== */
.about-page { padding: var(--space-2xl) 0; }
.about-hero { text-align: center; margin-bottom: var(--space-2xl); }
.about-hero h1 { margin-bottom: var(--space-md); }
.about-hero p { max-width: 600px; margin: 0 auto; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .product-detail { grid-template-columns: 1fr; gap: var(--space-xl); }
  .product-detail-gallery { position: static; }
  .featured-series { grid-template-columns: repeat(2, 1fr); }
  .about-section { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { display: none; }
}
@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .header-nav.open {
    display: flex; position: fixed; top: var(--header-height);
    left: 0; right: 0; background: rgba(245,240,235,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; padding: var(--space-lg);
    gap: var(--space-md); border-bottom: 1px solid var(--color-border-light);
  }
  .header-nav.open a { padding: var(--space-sm) 0; font-size: 1rem; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .product-card-body { padding: var(--space-md); }
  .product-card h3 { font-size: 0.95rem; }
  .product-price { font-size: 1rem; }
  .featured-series { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 60px 1fr; gap: var(--space-md); }
  .cart-item-price, .cart-item-qty, .cart-item-remove { grid-row: 2; }
  .cart-item-price { grid-column: 1; }
  .cart-item-qty { grid-column: 2; }
  .cart-item-remove { justify-self: end; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar {
    width: 100%; display: flex; overflow-x: auto;
    border-right: none; border-bottom: 1px solid var(--color-border-light);
    padding: 0;
  }
  .admin-sidebar-item { white-space: nowrap; border-left: none; border-bottom: 2px solid transparent; }
  .admin-sidebar-item.active { border-left: none; border-bottom-color: var(--color-accent); }
  .admin-main { padding: var(--space-md); }
  .form-row { grid-template-columns: 1fr; }
  .hero { text-align: center; }
  .hero-actions { justify-content: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .header-inner { padding: 0 var(--space-md); }
  .container { padding: 0 var(--space-md); }
}