/* ╔══════════════════════════════════════════════════════════════╗
   ║          5.11 台灣服飾型錄 — 樣式表 (style.css)               ║
   ╚══════════════════════════════════════════════════════════════╝ */

:root {
  --color-bg:         #111213;   
  --color-bg2:        #1a1b1c;   
  --color-bg3:        #242526;   
  --color-border:     #2e2f31;   
  
  --color-orange:     #F04A23;   
  --color-orange-dk:  #d13b16;   
  --color-orange-lt:  #ff6442;   
  
  --color-text:       #e8e9ea;   
  --color-text-muted: #8a8c8f;   
  --color-text-dim:   #5a5c5f;   
  --color-danger:     #c0392b;   
  --color-success:    #27ae60;   

  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;

  --radius:    4px;
  --radius-lg: 8px;
  --shadow:    0 2px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.7);

  --header-h: 64px;
  --max-w:    1280px;
}

/* ─── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-body); border: none; }

/* ─── Header 頂部導覽列 ──────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 11, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-orange);
  box-shadow: 0 2px 20px rgba(240, 74, 35, 0.15);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-logo { display: flex; align-items: center; height: 100%; transition: opacity 0.2s; }
.site-logo:hover { opacity: 0.85; }
.logo-image { height: 32px; width: auto; object-fit: contain; }

.breadcrumb {
  display: flex; align-items: center; gap: 0; font-family: var(--font-heading);
  font-size: 13px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; overflow: hidden;
}
.breadcrumb a { color: var(--color-text-muted); transition: color 0.2s; white-space: nowrap; }
.breadcrumb a:hover { color: var(--color-orange); }
.breadcrumb .sep { color: var(--color-text-dim); margin: 0 8px; font-size: 16px; line-height: 1; }
.breadcrumb .current { color: var(--color-orange); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ─── Main Content ───────────────────────────────────────────── */
#app { flex: 1; max-width: var(--max-w); width: 100%; margin: 0 auto; padding: 32px 20px 48px; }

/* ─── Loading Screen ─────────────────────────────────────────── */
.loading-screen {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 60vh; gap: 16px; color: var(--color-text-muted); font-size: 14px; letter-spacing: 2px;
}
.loading-spinner {
  width: 40px; height: 40px; border: 3px solid var(--color-border);
  border-top-color: var(--color-orange); border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── 頁面標題與卡片 ────────────────────────────────────────── */
.page-title {
  font-family: var(--font-heading); font-size: clamp(28px, 5vw, 48px);
  font-weight: 800; letter-spacing: 2px; text-transform: uppercase; line-height: 1; margin-bottom: 8px;
}
.page-title span { color: var(--color-orange); }
.page-subtitle { font-size: 13px; color: var(--color-text-muted); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 32px; }

.home-header { margin-bottom: 40px; border-left: 4px solid var(--color-orange); padding-left: 16px; }
.home-header h1 { font-family: var(--font-heading); font-size: clamp(36px, 6vw, 64px); font-weight: 800; letter-spacing: 3px; text-transform: uppercase; line-height: 1; }
.home-header p { font-size: 13px; color: var(--color-text-muted); letter-spacing: 4px; text-transform: uppercase; margin-top: 6px; }

.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 2px; }
.cat-card {
  display: block; position: relative; background: var(--color-bg2); padding: 36px 28px;
  cursor: pointer; text-decoration: none; overflow: hidden; transition: background 0.2s, transform 0.2s; border: 1px solid transparent;
}
.cat-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: var(--color-orange); transform: scaleY(0); transform-origin: top; transition: transform 0.25s ease;
}
.cat-card:hover { background: var(--color-bg3); border-color: var(--color-border); transform: translateX(4px); }
.cat-card:hover::before { transform: scaleY(1); }
.cat-card-name { font-family: var(--font-heading); font-size: 32px; font-weight: 800; letter-spacing: 1px; line-height: 1; }
.cat-card-meta { font-size: 12px; color: var(--color-text-dim); margin-top: 8px; letter-spacing: 0.5px; }
.cat-card-arrow { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; color: var(--color-text-dim); transition: color 0.2s, right 0.2s; }
.cat-card:hover .cat-card-arrow { color: var(--color-orange); right: 14px; }

.sub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 2px; margin-top: 8px; }
.sub-card { display: flex; align-items: center; justify-content: space-between; background: var(--color-bg2); padding: 22px 24px; cursor: pointer; text-decoration: none; transition: background 0.18s, padding-left 0.18s; border-bottom: 2px solid transparent; }
.sub-card:hover { background: var(--color-bg3); padding-left: 30px; border-bottom-color: var(--color-orange); }
.sub-card-name { font-family: var(--font-heading); font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.sub-card-count { font-size: 11px; color: var(--color-text-dim); background: var(--color-bg3); padding: 2px 8px; border-radius: 20px; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 8px; }
.product-card { display: block; background: var(--color-bg2); cursor: pointer; text-decoration: none; transition: background 0.2s, transform 0.2s; overflow: hidden; border: 1px solid transparent; }
.product-card:hover { background: var(--color-bg3); border-color: var(--color-border); transform: translateY(-2px); box-shadow: var(--shadow); }
.product-card-img-wrap { position: relative; padding-bottom: 100%; overflow: hidden; background: #1e1e20; }
.product-card-img-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.product-card:hover .product-card-img-wrap img { transform: scale(1.06); }
.product-card-info { padding: 14px 16px 16px; }
.product-card-model { font-family: var(--font-heading); font-size: 11px; font-weight: 600; letter-spacing: 2px; color: var(--color-orange); text-transform: uppercase; margin-bottom: 4px; }
.product-card-name { font-size: 14px; font-weight: 500; line-height: 1.4; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ✦ 商品列表色塊：白色外框 + 外圈陰影 */
.color-dots { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 6px; }
.color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
}

/* ─── 商品詳細頁 ────────────────────────────────────────────── */
.product-detail { display: grid; grid-template-columns: 3fr 5fr; gap: 40px; align-items: start; }
@media (max-width: 768px) { .product-detail { grid-template-columns: 1fr; gap: 24px; } }
.main-img-wrap { position: relative; width: 100%; padding-bottom: 100%; background: #1a1a1b; overflow: hidden; cursor: zoom-in; border: 1px solid var(--color-border); }
.main-img-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.main-img-wrap:hover img { transform: scale(1.04); }
.thumb-list { display: flex; gap: 4px; margin-top: 4px; flex-wrap: wrap; }
.thumb-item { width: 72px; height: 72px; object-fit: cover; border: 2px solid transparent; cursor: pointer; transition: border-color 0.15s; flex-shrink: 0; }
.thumb-item:hover { border-color: var(--color-text-muted); }
.thumb-item.active { border-color: var(--color-orange); }
.product-info-model { font-family: var(--font-heading); font-size: 13px; font-weight: 700; letter-spacing: 3px; color: var(--color-orange); text-transform: uppercase; margin-bottom: 6px; }
.product-info-name { font-family: var(--font-heading); font-size: clamp(22px, 4vw, 36px); font-weight: 800; letter-spacing: 1px; line-height: 1.2; margin-bottom: 24px; }
.divider { height: 1px; background: var(--color-border); margin: 20px 0; }
.label { font-family: var(--font-heading); font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 8px; }

.color-options { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.color-btn { display: flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--color-border); background: var(--color-bg2); color: var(--color-text); font-size: 13px; font-family: var(--font-body); transition: border-color 0.15s, background 0.15s; border-radius: var(--radius); cursor: pointer; }
.color-btn:hover { border-color: var(--color-text-muted); background: var(--color-bg3); }
.color-btn.active { border-color: var(--color-orange); background: rgba(240, 74, 35, 0.1); color: var(--color-orange); }

/* ✦ 詳細頁顏色按鈕色塊：白色外框 + 外圈陰影 */
.color-btn-swatch {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
}

/* 商品說明 / 材質：white-space: pre-line 讓 Google Sheet 的 Alt+Enter 換行生效 */
.description-text,
.material-text {
  font-size: 14px;
  color: #DEDEDE;
  line-height: 1.8;
  white-space: pre-line;   /* ← 這行讓換行符號 \n 實際顯示為換行 */
}

.btn-fb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: auto;                          /* 寬度隨文字，不撐滿 */
  padding: 13px 28px;
  background: transparent;             /* 預設：無底色 */
  color: var(--color-orange);          /* 預設：橘字 */
  border: 2px solid var(--color-orange); /* 橘色外框 */
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  margin-top: 24px;
  transition: background 0.2s, color 0.2s;
}
.btn-fb:hover {
  background: var(--color-orange);     /* hover：橘底 */
  color: #ffffff;                       /* hover：白字 */
}

.back-btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--color-text-muted); cursor: pointer; padding: 8px 0; transition: color 0.15s; background: none; border: none; margin-bottom: 24px; }
.back-btn:hover { color: var(--color-orange); }
.back-btn::before { content: '←'; }

/* ─── 頁尾排版 ──────────────────────────────────────────────── */
.site-footer { background: transparent; margin-top: auto; width: 100%; }
.footer-info-layer { background: #242526; border-top: 1px solid var(--color-border); padding: 24px 20px; }
.footer-center-card { max-width: 860px; margin: 0 auto; display: flex; align-items: center; justify-content: center; gap: 28px; }
.footer-left-brand-box { flex: 1; display: flex; justify-content: flex-end; align-items: center; }
.footer-brand { font-family: var(--font-heading); font-size: 26px; font-weight: 800; letter-spacing: 1px; color: var(--color-orange); white-space: nowrap; }
.footer-split-line { width: 2px; height: 64px; background: #5a5c5f; flex-shrink: 0; }
.footer-right-info-box { flex: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.store-info { font-size: 15px; color: #FFFFFF; letter-spacing: 0.5px; line-height: 1.4; white-space: nowrap; }
.footer-social-row { display: flex; align-items: center; gap: 10px; margin-top: 2px; }
.social-circle-btn { font-size: 13px; color: #FFFFFF; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); transition: background 0.2s; }
.social-circle-btn:hover { background: rgba(255, 255, 255, 0.25); }
.footer-disclaimer-layer { background: #000000; padding: 16px 20px; text-align: center; width: 100%; }
.disclaimer-text { max-width: var(--max-w); margin: 0 auto; font-size: 16px; font-weight: 700; color: #FFFFFF; line-height: 1.4; letter-spacing: 0.5px; }


/* ─── 商品詳細頁 — 圖片滑動器 ──────────────────────────────── */
.img-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #1a1a1b;
  border: 1px solid var(--color-border);
  cursor: zoom-in;
  /* 3:4 直式比例，適合長型商品圖片 */
  aspect-ratio: 3 / 4;
}

/* 滑動軌道：橫向排列所有圖片 */
.img-slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

/* 每張圖片的格子 */
.img-slider-item {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.img-slider-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;  /* contain = 完整顯示不裁切，cover = 填滿但裁切 */
  display: block;
  transition: transform 0.3s ease;
}

/* 左右箭頭按鈕 */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 36px;
  height: 56px;
  background: rgba(0, 0, 0, 0.45);
  border: none;
  color: #fff;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;                          /* 預設隱藏 */
  transition: opacity 0.2s, background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-slider:hover .slider-btn { opacity: 1; }   /* hover 時顯示 */
.slider-btn:hover { background: rgba(0, 0, 0, 0.72); }
.slider-prev { left: 0; border-radius: 0 4px 4px 0; }
.slider-next { right: 0; border-radius: 4px 0 0 4px; }

/* 指示點 */
.slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}
.slider-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.slider-dot.active {
  background: var(--color-orange);
  transform: scale(1.35);
}
.slider-dot:hover:not(.active) { background: rgba(255, 255, 255, 0.7); }

/* 無圖片時的佔位 */
.img-slider-empty {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #1a1a1b;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  opacity: 0.15;
}

/* 手機上箭頭始終顯示（不需要 hover） */
@media (max-width: 768px) {
  .slider-btn { opacity: 0.7; }
}

/* ─── Lightbox 燈箱 ─────────────────────────────────────────── */
.lightbox-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 200; }
.lightbox-overlay.active { display: block; }
.lightbox { display: none; position: fixed; inset: 0; z-index: 201; align-items: center; justify-content: center; pointer-events: none; }
.lightbox.active { display: flex; pointer-events: all; }
.lightbox-img { max-width: 90vw; max-height: 85vh; object-fit: contain; border: 1px solid var(--color-border); }
.lightbox-close { position: absolute; top: 16px; right: 20px; background: none; border: none; color: white; font-size: 28px; cursor: pointer; opacity: 0.7; transition: opacity 0.2s; z-index: 202; }
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.5); border: none; color: white; font-size: 40px; padding: 12px 16px; cursor: pointer; opacity: 0.7; transition: opacity 0.2s; z-index: 202; }
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-prev { left: 8px; } .lightbox-next { right: 8px; }
.lightbox-counter { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 2px; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease both; }

/* ─── RWD 手機響應式 ─────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --header-h: 56px; }
  #app { padding: 20px 12px 40px; }
  .logo-image { height: 26px; } 
  .footer-center-card { flex-direction: column; text-align: center; gap: 14px; }
  .footer-left-brand-box, .footer-right-info-box { justify-content: center; align-items: center; text-align: center; }
  .footer-split-line { display: none; }
  .footer-social-row { justify-content: center; }
  .disclaimer-text { font-size: 14px; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .cat-card { padding: 22px 16px; }
  .cat-card-name { font-size: 22px; }
  .sub-grid, .product-grid { grid-template-columns: 1fr 1fr; }
  .thumb-item { width: 56px; height: 56px; }
}
@media (max-width: 480px) {
  .category-grid, .sub-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .breadcrumb { display: none; }
}