/* ========================================
   BESSIE'U 全產品說明 - 共用樣式
   風格：高級、乾淨、留白多、低飽和
======================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500&family=Noto+Sans+TC:wght@300;400;500&display=swap');

/* CSS 變數 */
:root {
  --color-white: #ffffff;
  --color-bg: #ffffff;
  --color-bg-soft: #f4f2ef;
  --color-border: #e8e4de;
  --color-border-light: #f0ede8;
  --color-text-primary: #2c2826;
  --color-text-secondary: #6b645c;
  --color-text-muted: #a09890;
  --color-accent: #8b7355;
  --color-accent-light: #c4b49a;
  --color-accent-pale: #f0ebe2;
  --color-gold: #b8966e;
  --color-gold-light: #d4b896;
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;
  --font-sans: 'Noto Sans TC', 'PingFang TC', sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
  --transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-text-primary);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }

/* ========== HEADER / NAV ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
}
.site-logo span {
  color: var(--color-gold);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.site-nav a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}
.site-nav a:hover {
  color: var(--color-text-primary);
}
.nav-admin-btn {
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  transition: var(--transition);
}
.nav-admin-btn:hover {
  background: var(--color-text-primary);
  color: var(--color-white);
  border-color: var(--color-text-primary);
}
.nav-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.breadcrumb a:hover { color: var(--color-text-primary); }
.breadcrumb-sep { color: var(--color-border); }

/* ========== HERO ========== */
.hero {
  background: var(--color-white);
  padding: 100px 40px 80px;
  text-align: center;
  border-bottom: 1px solid var(--color-border-light);
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: 20px;
}
.hero-title em {
  font-style: italic;
  color: var(--color-gold);
}
.hero-subtitle {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 2;
  letter-spacing: 0.04em;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-text-primary);
  color: var(--color-white);
  border-color: var(--color-text-primary);
}
.btn-primary:hover {
  background: #44403c;
  border-color: #44403c;
  color: var(--color-white);
}
.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.btn-outline:hover {
  background: var(--color-text-primary);
  color: var(--color-white);
  border-color: var(--color-text-primary);
}
.btn-gold {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}
.btn-gold:hover {
  background: #9e7d5a;
  border-color: #9e7d5a;
  color: var(--color-white);
}
.btn-sm { padding: 8px 20px; font-size: 12px; }

/* ========== SECTION ========== */
.section {
  padding: 80px 40px;
}
.section-alt {
  background: var(--color-white);
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-header {
  margin-bottom: 48px;
}
.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  max-width: 480px;
  line-height: 2;
}

/* ========== CATEGORY CARDS ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 40px 28px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transition: var(--transition);
}
.category-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.category-card:hover::after {
  transform: scaleX(1);
}
.category-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 24px;
}
.category-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.category-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.category-count {
  font-size: 11px;
  color: var(--color-gold);
  margin-top: 12px;
  letter-spacing: 0.08em;
}

/* ========== PRODUCT CARDS ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.product-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.product-card-img {
  aspect-ratio: 4/5;
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card-img-placeholder {
  color: var(--color-text-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 20px;
}
.product-card-body {
  padding: 24px;
}
.product-card-cat {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.product-card-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.product-card-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.product-card-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--color-text-muted);
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}
.product-card-meta strong { color: var(--color-text-secondary); font-weight: 400; }

/* ========== STATUS BADGE ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  letter-spacing: 0.04em;
  font-weight: 400;
}
.badge-published { background: #e8f5e9; color: #4caf50; }
.badge-draft { background: #fff8e1; color: #f9a825; }
.badge-hidden { background: #f5f5f5; color: #9e9e9e; }

/* ========== FAQ ACCORDION ========== */
.faq-list { max-width: 800px; }
.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text-primary);
  letter-spacing: 0.04em;
  transition: var(--transition);
}
.faq-question:hover { color: var(--color-gold); }
.faq-icon {
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  margin-left: 20px;
  transition: var(--transition);
  color: var(--color-text-muted);
}
.faq-item.active .faq-icon { transform: rotate(45deg); color: var(--color-gold); border-color: var(--color-gold); }
.faq-answer {
  display: none;
  padding: 0 0 24px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 2;
}
.faq-item.active .faq-answer { display: block; }

/* ========== DIVIDER ========== */
.divider {
  width: 48px;
  height: 1px;
  background: var(--color-gold-light);
  margin: 24px 0;
}
.divider-center { margin: 24px auto; }

/* ========== STEPS ========== */
.steps-flow {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 8px;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 20px 12px;
}
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-pale);
  border: 1px solid var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.step-text { font-size: 13px; color: var(--color-text-secondary); letter-spacing: 0.04em; }
.step-arrow {
  width: 40px;
  flex-shrink: 0;
  color: var(--color-border);
  text-align: center;
  font-size: 20px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-text-primary);
  color: rgba(255,255,255,0.5);
  padding: 60px 40px 40px;
  margin-top: 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}
.footer-brand .site-logo {
  color: var(--color-white);
  margin-bottom: 16px;
  display: block;
  font-size: 18px;
}
.footer-brand p { font-size: 13px; line-height: 2; }
.footer-col h4 {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 13px; transition: var(--transition); }
.footer-col a:hover { color: var(--color-white); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: 80px 40px;
  color: var(--color-text-muted);
}
.empty-state-icon { font-size: 48px; margin-bottom: 20px; }
.empty-state h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 300; margin-bottom: 12px; color: var(--color-text-secondary); }
.empty-state p { font-size: 14px; line-height: 2; }

/* ========== LOADING ========== */
.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 20px; }
  .site-nav { display: none; }
  .nav-menu-toggle { display: block; }
  .hero { padding: 60px 20px 50px; }
  .section { padding: 60px 20px; }
  .breadcrumb { padding: 12px 20px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .site-footer { padding: 40px 20px 30px; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .hero-actions { flex-direction: column; align-items: center; }
}