/* 
 * 商店交易網站 (shop.twots.top) - Base UI v2.10 企業級暗色 Design Tokens
 * 遵循 Template/系統提示詞與 UI 設計製作規範.md 硬性規格
 */

:root {
  --topbar-height: 60px;
  --sidebar-width: 240px;

  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #222d40;
  --bg-input: #0d131f;

  --border-color: #263347;
  --border-color-light: #33445e;

  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --text-white: #ffffff;

  --accent-primary: #38bdf8;
  --accent-hover: #7dd3fc;
  --accent-light: rgba(56, 189, 248, 0.15);
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);

  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.12);
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.12);
  --color-info: #06b6d4;
  --color-info-bg: rgba(6, 182, 212, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 15px rgba(56, 189, 248, 0.3);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 全站與 Modal 專用極致暗色微光自訂滾動條 (Custom Dark Glow Scrollbar System) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(13, 19, 31, 0.7);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.45) 0%, rgba(2, 132, 199, 0.55) 100%);
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(17, 24, 39, 0.9);
  transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #38bdf8 0%, #0284c7 100%);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(56, 189, 248, 0.45) rgba(13, 19, 31, 0.7);
}

.modal-dialog::-webkit-scrollbar {
  width: 7px;
}

.modal-dialog::-webkit-scrollbar-track {
  background: rgba(10, 15, 26, 0.85);
  border-radius: 6px;
}

.modal-dialog::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.5) 0%, rgba(2, 132, 199, 0.6) 100%);
  border-radius: 6px;
}

.modal-dialog::-webkit-scrollbar-thumb:hover {
  background: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.7);
}

#app { display: flex; flex-direction: column; min-height: 100vh; }

/* 1. 頂部導航欄 (TopBar: 60px) */
.topbar {
  height: var(--topbar-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.hamburger-btn { background: none; border: none; color: var(--text-primary); font-size: 22px; cursor: pointer; display: none; }
.brand-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { width: 34px; height: 34px; border-radius: var(--radius-sm); }
.brand-text { display: flex; flex-direction: column; }
.brand-name { color: var(--text-primary); font-size: 16px; font-weight: 700; letter-spacing: 0.5px; }
.brand-tag { font-size: 10px; color: var(--accent-primary); background: var(--accent-light); padding: 1px 6px; border-radius: var(--radius-full); width: fit-content; }

.topbar-center { flex: 1; max-width: 420px; margin: 0 16px; }
.search-bar-group { position: relative; width: 100%; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; z-index: 5; }
.search-input { width: 100%; height: 38px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-full); padding: 0 16px 0 36px; color: var(--text-primary); font-size: 13.5px; transition: var(--transition-fast); }
.search-input:focus { outline: none; border-color: var(--accent-primary); box-shadow: var(--shadow-accent); }

.topbar-right { display: flex; align-items: center; gap: 12px; }

/* 第三方 OAuth 快捷欄 */
.oauth-quick-bar { display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.03); padding: 4px 8px; border-radius: var(--radius-full); border: 1px solid var(--border-color); }
.btn-login-main { background: var(--accent-gradient); color: #fff; border: none; padding: 6px 14px; border-radius: var(--radius-full); font-size: 12.5px; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 6px; box-shadow: var(--shadow-sm); transition: var(--transition-fast); }
.btn-login-main:hover { transform: translateY(-1px); box-shadow: var(--shadow-accent); }
.login-icon { font-size: 13px; }

.oauth-mini-icons { display: flex; align-items: center; gap: 6px; }
.oauth-mini-btn { width: 30px; height: 30px; border-radius: var(--radius-full); background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); display: inline-flex; align-items: center; justify-content: center; text-decoration: none; transition: var(--transition-fast); box-sizing: border-box; }
.oauth-mini-btn svg { width: 17px; height: 17px; display: block; flex-shrink: 0; }
.oauth-mini-btn:hover { transform: translateY(-1px) scale(1.12); background: rgba(255, 255, 255, 0.12); border-color: var(--accent-primary); box-shadow: var(--shadow-accent); }

/* 用戶與餘額 */
.user-balance-badge { display: flex; align-items: center; gap: 4px; background: var(--accent-light); border: 1px solid rgba(56, 189, 248, 0.3); padding: 4px 10px; border-radius: var(--radius-full); }
.balance-icon { font-size: 13px; }
.balance-amount { color: var(--accent-primary); font-weight: 700; font-size: 13.5px; }

.user-profile-menu { display: flex; align-items: center; gap: 8px; background: var(--bg-card); border: 1px solid var(--border-color); padding: 3px 8px 3px 4px; border-radius: var(--radius-full); }
.avatar-circle { width: 30px; height: 30px; border-radius: var(--radius-full); background: var(--accent-gradient); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; box-shadow: var(--shadow-sm); }
.guest-avatar { background: #3b82f6; }
.user-info-text { display: flex; flex-direction: column; line-height: 1.2; padding-right: 4px; }
.user-name { color: var(--text-primary); font-size: 12.5px; font-weight: 600; }
.user-role-badge { font-size: 10px; color: var(--text-muted); }
.btn-logout { text-decoration: none; font-size: 13px; opacity: 0.7; transition: var(--transition-fast); padding: 2px; }
.btn-logout:hover { opacity: 1; transform: scale(1.1); }

/* 時區美化標籤 (Timezone Pill) */
.timezone-pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: var(--radius-full); font-size: 12px; font-weight: 600; color: var(--accent-primary); background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.25); }

/* 2. 核心主容器 (Main Container & Sidebar) */
.main-container { display: flex; margin-top: var(--topbar-height); min-height: calc(100vh - var(--topbar-height)); }

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: var(--topbar-height);
  bottom: 0; left: 0;
  z-index: 150;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
}

.sidebar-scroll-container { flex: 1; overflow-y: auto; padding: 16px 12px; }
.sidebar-scroll-container::-webkit-scrollbar { width: 4px; }
.sidebar-scroll-container::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }

.nav-section-title { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--text-muted); margin: 16px 10px 8px 10px; letter-spacing: 0.5px; }
.nav-cs-title { color: #f59e0b; }
.nav-tech-title { color: #06b6d4; }
.nav-admin-title { color: #ef4444; }

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; color: var(--text-secondary); text-decoration: none; border-radius: var(--radius-md); font-size: 13.5px; font-weight: 500; transition: var(--transition-fast); position: relative; }
.nav-item:hover { background-color: var(--bg-card-hover); color: var(--text-primary); transform: translateX(3px); }
.nav-item.active { background: var(--accent-light); color: var(--accent-primary); font-weight: 600; border-left: 3px solid var(--accent-primary); box-shadow: 0 2px 8px rgba(56, 189, 248, 0.15); }
.nav-item .icon { font-size: 16px; }
.nav-item .badge { font-size: 10px; margin-left: auto; padding: 2px 6px; border-radius: var(--radius-full); }
.badge-accent { background: var(--accent-light); color: var(--accent-primary); border: 1px solid rgba(56, 189, 248, 0.3); }

.sidebar-footer { padding: 14px 12px; border-top: 1px solid var(--border-color); text-align: center; font-size: 11px; color: var(--text-muted); background: rgba(17, 24, 39, 0.4); }
.team-slogan { color: var(--accent-primary); font-weight: 600; margin-bottom: 2px; letter-spacing: 0.3px; }

/* 3. 主要內容區域 (Content Area) */
.content-area { flex: 1; margin-left: var(--sidebar-width); padding: 28px; min-width: 0; transition: margin-left var(--transition-normal); }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; border-bottom: 1px solid var(--border-color); padding-bottom: 16px; }
.page-title { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.3px; }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* 登入引導橫幅 (Login Banner Card) */
.login-banner-card { background: linear-gradient(135deg, rgba(17, 24, 39, 0.95) 0%, rgba(26, 35, 50, 0.95) 100%); backdrop-filter: blur(12px); border: 1px solid rgba(56, 189, 248, 0.3); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 22px; box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
.login-banner-header { margin-bottom: 16px; }
.login-banner-title { display: flex; align-items: center; gap: 12px; }
.banner-icon { font-size: 26px; }
.login-banner-title h3 { font-size: 17.5px; font-weight: 700; color: var(--text-primary); }
.login-banner-title p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.login-providers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 16px; }
@media (max-width: 768px) { .login-providers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .login-providers-grid { grid-template-columns: 1fr; } }

.provider-btn { display: flex; align-items: center; justify-content: center; gap: 10px; height: 48px; min-height: 48px; padding: 0 16px; border-radius: var(--radius-md); color: #ffffff; text-decoration: none; font-weight: 700; font-size: 14px; white-space: nowrap; transition: var(--transition-fast); border: 1px solid rgba(255,255,255,0.22); box-shadow: 0 4px 12px rgba(0,0,0,0.3); box-sizing: border-box; text-shadow: 0 1px 2px rgba(0,0,0,0.4); }
.provider-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,0,0,0.5); border-color: rgba(255,255,255,0.6); }
.provider-btn:active { transform: scale(0.98); }
.provider-btn .p-icon, .provider-btn span:first-child { font-size: 20px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; filter: drop-shadow(0 1px 3px rgba(0,0,0,0.5)); }

/* 確保所有社交登入圖標內 SVG path 強制使用高對比純白 */
.provider-btn svg path,
.oauth-mini-btn svg path,
.oauth-btn svg path {
    fill: #ffffff;
}

/* Google Logo 特殊處理 (使用亮白背景圓徽章保護官方 4 色 G Logo 絕不沉沒) */
.btn-google-style .p-icon,
.btn-google .p-icon,
.oauth-mini-btn.btn-google {
    background: #ffffff;
    border-radius: 50%;
    padding: 3px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.btn-google-style .p-icon svg path,
.btn-google .p-icon svg path,
.oauth-mini-btn.btn-google svg path {
    fill: initial !important;
}

.btn-discord-style { background: linear-gradient(135deg, #5865F2 0%, #404EED 100%); }
.btn-google-style { background: linear-gradient(135deg, #4285F4 0%, #2b6cb0 100%); }
.btn-line-style { background: linear-gradient(135deg, #00C300 0%, #009900 100%); }
.btn-wp-style { background: linear-gradient(135deg, #21759B 0%, #154c66 100%); }
.btn-paypal-style { background: linear-gradient(135deg, #003087 0%, #0070BA 100%); }
.btn-twitch-style { background: linear-gradient(135deg, #9146FF 0%, #6441A5 100%); }

/* 4. 卡片與容器 (Cards & Grids) */
.card-section { background: linear-gradient(145deg, rgba(26, 35, 50, 0.9) 0%, rgba(13, 20, 34, 0.9) 100%); backdrop-filter: blur(12px); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 22px; box-shadow: var(--shadow-md); transition: var(--transition-fast); }
.section-header { margin-bottom: 16px; }
.section-title { font-size: 16.5px; font-weight: 700; color: var(--text-primary); }
.section-subtitle { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

.grid-2-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 20px; }

/* 篩選與搜尋列 (Filter Grid) - 電腦單行 / 手機分行 */
.filter-card { padding: 18px 20px; }
.filter-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; align-items: flex-end; }
.filter-grid .form-group { margin-bottom: 0; }

@media (max-width: 768px) {
    .filter-grid { grid-template-columns: 1fr; gap: 12px; }
}

/* 商品網格 */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.product-card { background: linear-gradient(145deg, rgba(17, 24, 39, 0.95) 0%, rgba(26, 35, 50, 0.95) 100%); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition-normal); position: relative; cursor: pointer; }
.product-card:hover { transform: translateY(-4px); border-color: var(--accent-primary); box-shadow: 0 8px 25px rgba(56, 189, 248, 0.25); }
.product-img { width: 100%; height: 165px; object-fit: cover; background: var(--bg-input); }
.product-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.product-title { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; line-height: 1.35; }
.product-desc { font-size: 14px; color: var(--text-muted); flex: 1; margin-bottom: 14px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.product-meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border-color); }
.product-price-box { display: flex; flex-direction: column; }
.product-price { font-size: 19px; font-weight: 800; color: var(--accent-primary); letter-spacing: -0.5px; }
.product-original-price { font-size: 12px; color: var(--text-muted); text-decoration: line-through; }
.product-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.tag-badge { font-size: 10.5px; padding: 2px 7px; border-radius: var(--radius-sm); background: var(--accent-light); color: var(--accent-primary); font-weight: 600; border: 1px solid rgba(56, 189, 248, 0.25); }

/* 指標與 KPI 卡片 */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.metric-card { background: linear-gradient(145deg, rgba(17, 24, 39, 0.9) 0%, rgba(26, 35, 50, 0.9) 100%); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 18px; display: flex; align-items: center; gap: 14px; transition: var(--transition-fast); }
.metric-card:hover { border-color: var(--border-color-light); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.metric-icon { font-size: 28px; width: 48px; height: 48px; border-radius: 12px; background: rgba(56, 189, 248, 0.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.metric-info { display: flex; flex-direction: column; }
.metric-value { font-size: 24px; font-weight: 800; color: var(--text-primary); line-height: 1.1; }
.metric-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* 數據表格與自訂滾動條 */
.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 8px; }
.table-responsive::-webkit-scrollbar { height: 6px; }
.table-responsive::-webkit-scrollbar-track { background: rgba(13, 19, 31, 0.6); border-radius: 4px; }
.table-responsive::-webkit-scrollbar-thumb { background: rgba(56, 189, 248, 0.35); border-radius: 4px; }
.table-responsive::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; min-width: 600px; }
.data-table th { background: rgba(17, 24, 39, 0.85); color: var(--text-muted); font-weight: 600; padding: 12px 14px; border-bottom: 1px solid var(--border-color); white-space: nowrap; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.3px; }
.data-table td { padding: 13px 14px; border-bottom: 1px solid var(--border-color); color: var(--text-secondary); vertical-align: middle; }
.data-table tr:hover td { background-color: var(--bg-card-hover); color: var(--text-primary); }

/* -------------------------------------------------------------------------- */
/* 訂單卡片式佈局 (Modern Order Card List Design - No Horizontal Scroll) */
/* -------------------------------------------------------------------------- */
.orders-card-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
}

.order-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.75) 0%, rgba(15, 23, 42, 0.85) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md, 12px);
    padding: 18px 22px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    backdrop-filter: blur(12px);
}

.order-card:hover {
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.15);
    transform: translateY(-2px);
}

.order-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.order-card-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.order-card-no {
    font-family: var(--font-mono, monospace);
    font-size: 13px;
    font-weight: 700;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(56, 189, 248, 0.3);
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.order-card-time {
    font-size: 12.5px;
    color: var(--text-muted);
    white-space: nowrap;
}

.order-card-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 11px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    line-height: 1.2;
}

.canceller-tag {
    font-size: 11.5px;
    color: #f87171;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    white-space: nowrap;
}

.order-card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.order-card-main {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1 1 240px;
}

.order-card-title {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    word-break: break-word;
}

.order-card-user {
    font-size: 12.5px;
    color: var(--text-secondary);
}

.order-card-amount-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    min-width: 100px;
}

.order-amount-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.order-amount-value {
    font-size: 21px;
    font-weight: 800;
    color: var(--accent-primary, #38bdf8);
    white-space: nowrap;
}

.order-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.order-card-footer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
}

.order-note-card {
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
    transition: var(--transition-fast);
}

.order-note-card.internal {
    background: rgba(244, 63, 94, 0.06);
    border: 1px solid rgba(244, 63, 94, 0.22);
    border-left: 4px solid #f43f5e;
}

.order-note-card.public {
    background: rgba(56, 189, 248, 0.06);
    border: 1px solid rgba(56, 189, 248, 0.22);
    border-left: 4px solid #38bdf8;
}

.order-note-card.custom {
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.22);
    border-left: 4px solid #10b981;
}

/* 按鈕與控制項 (Buttons & Controls) - 嚴格與 Template 模板對齊 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: var(--transition-fast); white-space: nowrap; min-height: 38px; box-sizing: border-box; text-decoration: none; user-select: none; }
.btn-primary { background-color: var(--accent-primary); background-image: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%); color: #ffffff; border: 1px solid transparent; box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25); }
.btn-primary:hover { background-color: var(--accent-hover); box-shadow: var(--shadow-accent); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary { background-color: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-primary); }
.btn-secondary:hover { background-color: var(--bg-card-hover); border-color: var(--border-color-light); color: var(--text-primary); }
.btn-sm { min-height: 32px; padding: 4px 10px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-danger { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); color: #ffffff; border: 1px solid transparent; box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3); }
.btn-danger:hover { box-shadow: 0 4px 14px rgba(239, 68, 68, 0.5); transform: translateY(-1px); }
.btn-warning { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); color: #ffffff; border: 1px solid transparent; box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3); }
.btn-warning:hover { box-shadow: 0 4px 14px rgba(245, 158, 11, 0.5); transform: translateY(-1px); }
.btn-info { background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%); color: #ffffff; border: 1px solid transparent; box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3); }
.btn-info:hover { box-shadow: 0 4px 14px rgba(14, 165, 233, 0.5); transform: translateY(-1px); }
.btn-outline-info { background: rgba(56, 189, 248, 0.12); color: #38bdf8; border: 1.5px solid rgba(56, 189, 248, 0.4); box-shadow: 0 2px 8px rgba(56, 189, 248, 0.15); }
.btn-outline-info:hover { background: rgba(56, 189, 248, 0.22); color: #38bdf8; border-color: #38bdf8; box-shadow: 0 4px 14px rgba(56, 189, 248, 0.3); transform: translateY(-1px); }
.btn-success { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: #ffffff; border: 1px solid transparent; box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3); }
.btn-success:hover { box-shadow: 0 4px 14px rgba(16, 185, 129, 0.5); transform: translateY(-1px); }
.btn-group-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.action-btn-group { display: flex; align-items: center; gap: 6px; white-space: nowrap; flex-wrap: nowrap; }
.btn-block { width: 100%; display: flex; justify-content: center; }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.form-control { width: 100%; height: 44px; min-height: 44px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 0 14px; color: var(--text-primary); font-size: 14px; transition: var(--transition-fast); }
.form-control:focus { outline: none; border-color: var(--accent-primary); box-shadow: var(--shadow-accent); }
textarea.form-control { height: auto; padding: 12px 14px; line-height: 1.5; }

/* 告警橫幅 (Alert Banners) */
.alert-banner { padding: 14px 18px; border-radius: var(--radius-md); font-size: 13px; line-height: 1.6; margin-bottom: 18px; border-left: 4px solid; box-shadow: var(--shadow-sm); }
.alert-info { background: var(--accent-light); border-color: var(--accent-primary); color: #7dd3fc; }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: #fcd34d; }
.alert-danger { background: var(--color-danger-bg); border-color: var(--color-danger); color: #fca5a5; }
.alert-success { background: var(--color-success-bg); border-color: var(--color-success); color: #6ee7b7; }

/* 彈窗 Modal (極致特大尺寸 1200px 寬屏與高對比質感) */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(6, 10, 18, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-dialog {
  background: linear-gradient(145deg, rgba(24, 34, 52, 0.98) 0%, rgba(11, 18, 32, 0.98) 100%);
  border: 2px solid rgba(56, 189, 248, 0.4);
  border-radius: 18px;
  width: 95vw;
  max-width: 820px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.85), 0 0 40px rgba(56, 189, 248, 0.2);
  animation: modalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-dialog.modal-lg { max-width: 1200px; }
@keyframes modalIn { from { transform: scale(0.92) translateY(12px); opacity: 0; } to { transform: scale(1) translateY(0); opacity: 1; } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 2px solid var(--border-color);
  background: rgba(15, 23, 42, 0.8);
  flex-shrink: 0;
}
.modal-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.4px;
  margin: 0;
}
.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-fast);
}
.modal-close-btn:hover { color: #ff4d4f; transform: scale(1.2); }

.modal-body {
  padding: 24px;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 2px solid var(--border-color);
  background: rgba(15, 23, 42, 0.95);
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}

/* 單一商品詳細 Modal 雙欄與頁籤佈局 (極致特大巨幕與極致醒目感) */
.single-product-modal-view {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  box-sizing: border-box;
}
.single-product-hero {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 28px;
  width: 100%;
  box-sizing: border-box;
}
.single-product-media {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}
.single-product-main-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  border: 3px solid rgba(56, 189, 248, 0.45);
  overflow: hidden;
  background: #0f172a;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(56, 189, 248, 0.2);
  cursor: pointer;
}
.single-product-main-img-box img.single-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.main-img-zoom-hint {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #38bdf8;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  padding: 6px 10px;
  border-top: 1px solid rgba(56, 189, 248, 0.3);
}

.product-gallery-thumbs-wrapper {
  width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  padding: 4px 0;
}
.product-gallery-thumbs-list {
  display: flex;
  gap: 10px;
}
.product-gallery-thumb {
  width: 62px;
  height: 62px;
  flex-shrink: 0;
  border-radius: 10px;
  border: 2px solid var(--border-color);
  object-fit: cover;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s ease;
}
.product-gallery-thumb.active,
.product-gallery-thumb:hover {
  border-color: #38bdf8;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}
.product-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-product-title {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 900;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.35;
  letter-spacing: 0.3px;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.single-product-meta-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.single-product-info { display: flex; flex-direction: column; gap: 14px; width: 100%; min-width: 0; }

/* 數量選擇與應付金額卡片 */
.single-product-qty-card {
  background: linear-gradient(135deg, rgba(30,41,59,0.95), rgba(15,23,42,0.95));
  border: 2px solid rgba(56,189,248,0.45);
  border-radius: 14px;
  padding: 16px 18px;
  margin-top: auto;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  width: 100%;
  box-sizing: border-box;
}
.single-product-qty-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  width: 100%;
}
.single-product-qty-left { display: flex; flex-direction: column; gap: 6px; }
.single-qty-label { font-size: 14px; font-weight: 800; color: var(--text-primary); margin: 0; }
.single-product-qty-picker { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.single-product-qty-picker .qty-btn { width: 38px; height: 38px; font-weight: 900; font-size: 18px; border-radius: 9px; padding: 0; display: flex; align-items: center; justify-content: center; }
.single-product-qty-picker .qty-input { width: 70px; text-align: center; font-weight: 900; height: 38px; font-size: 17px; padding: 0 4px; border-radius: 9px; }
.single-stock-badge { font-size: 12.5px; color: var(--text-muted); font-weight: 700; }
.single-product-qty-right { text-align: right; }
.single-total-label { font-size: 13px; color: var(--text-muted); font-weight: 700; display: block; }
.single-total-amount { font-size: 26px; font-weight: 900; color: #38bdf8; text-shadow: 0 0 16px rgba(56,189,248,0.45); }

/* 頁籤分區 */
.product-detail-tabs-wrapper { width: 100%; box-sizing: border-box; }
.product-detail-nav-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.product-detail-nav-tabs::-webkit-scrollbar { height: 4px; }
.p-tab-btn {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 800;
  padding: 9px 16px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  white-space: nowrap;
}
.p-tab-btn:hover { color: var(--text-primary); border-color: #38bdf8; background: rgba(56, 189, 248, 0.15); }
.p-tab-btn.active { color: #ffffff; background: linear-gradient(135deg, rgba(56, 189, 248, 0.4), rgba(14, 165, 233, 0.5)); border: 2px solid #38bdf8; box-shadow: 0 0 18px rgba(56, 189, 248, 0.4); }
.p-detail-tab-pane { display: flex; flex-direction: column; gap: 18px; width: 100%; }

/* Modal Footer 操作按鈕 */
.single-product-footer-btns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
}
.single-footer-btn {
  font-size: 14.5px;
  font-weight: 800;
  padding: 12px 14px;
  border-radius: 11px;
  text-align: center;
  justify-content: center;
  width: 100%;
  white-space: nowrap;
}

/* 管理端建立/編輯商品 Modal 頁籤導航與多欄網格樣式 */
.admin-product-nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(15, 23, 42, 0.6);
  border: 1.5px solid var(--border-color);
  padding: 8px;
  border-radius: 14px;
  margin-bottom: 20px;
}
.admin-p-tab-btn {
  flex: 1;
  min-width: 140px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}
.admin-p-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
}
.admin-p-tab-btn.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), rgba(14, 165, 233, 0.45));
  border: 1.5px solid #38bdf8;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
}
.admin-p-tab-pane {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 多欄網格助手 */
.grid-4-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.grid-2-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 980px) {
  .single-product-hero { grid-template-columns: 1fr; gap: 20px; }
  .single-product-main-img-box { max-width: 260px; margin: 0 auto; width: 100%; }
}

@media (max-width: 768px) {
  .modal-backdrop { padding: 0 !important; align-items: flex-end !important; }
  .modal-dialog,
  .modal-dialog.modal-lg {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 94vh !important;
    max-height: 94vh !important;
    border-radius: 20px 20px 0 0 !important;
    margin: 0 !important;
    border: none !important;
    border-top: 2px solid rgba(56, 189, 248, 0.5) !important;
    box-sizing: border-box !important;
  }
  .modal-header { padding: 12px 14px !important; width: 100% !important; box-sizing: border-box !important; }
  .modal-title { font-size: 15px !important; max-width: calc(100% - 32px) !important; overflow: hidden !important; text-overflow: ellipsis !important; white-space: nowrap !important; }
  .modal-body { padding: 12px 10px !important; width: 100% !important; box-sizing: border-box !important; overflow-x: hidden !important; }
  .modal-footer { padding: 10px 12px !important; width: 100% !important; box-sizing: border-box !important; }

  /* 所有內容區域防右側撐大與強制多行自動斷行規範 */
  .single-product-modal-view,
  .single-product-hero,
  .single-product-info,
  .single-product-media,
  .single-product-title,
  .single-product-qty-card,
  .product-detail-tabs-wrapper,
  .p-detail-tab-pane {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    flex-shrink: 1 !important;
    box-sizing: border-box !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
  }

  /* 限制手機端主圖尺寸於 200px * 200px 內，防止塌陷與霸屏 */
  .single-product-hero { grid-template-columns: 1fr !important; gap: 14px !important; }
  .single-product-media { align-items: center !important; width: 100% !important; display: flex !important; flex-direction: column !important; }
  .single-product-main-img-box {
    width: 200px !important;
    height: 200px !important;
    max-width: 55vw !important;
    max-height: 55vw !important;
    aspect-ratio: 1 / 1 !important;
    margin: 0 auto 10px auto !important;
    border-radius: 14px !important;
    flex-shrink: 0 !important;
    display: block !important;
  }
  
  /* 相冊縮圖列表限制於 100% 寬度內，支援橫向滑動且不撐大 Modal */
  .product-gallery-thumbs-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 4px 0 !important;
  }
  .product-gallery-thumbs-list {
    display: flex !important;
    gap: 8px !important;
    width: max-content !important;
  }
  .product-gallery-thumb {
    width: 48px !important;
    height: 48px !important;
    flex-shrink: 0 !important;
  }

  .single-product-title { font-size: 16.5px !important; line-height: 1.35 !important; margin-bottom: 4px !important; }
  
  .single-product-qty-row { flex-direction: column !important; align-items: stretch !important; gap: 10px !important; width: 100% !important; }
  .single-product-qty-left { width: 100% !important; }
  .single-product-qty-picker { display: flex !important; align-items: center !important; gap: 8px !important; flex-wrap: wrap !important; width: 100% !important; }
  .single-product-qty-right {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-top: 1px dashed rgba(255, 255, 255, 0.15) !important;
    padding-top: 8px !important;
    margin-top: 4px !important;
  }
  .single-total-label { font-size: 13px !important; font-weight: 700 !important; }
  .single-total-amount { font-size: 22px !important; font-weight: 900 !important; }

  .single-product-footer-btns {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .single-footer-btn { font-size: 13.5px !important; padding: 11px 8px !important; border-radius: 10px !important; }
}

/* 條款與文章樣式 */
.info-content-article { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.info-content-article h3 { font-size: 16.5px; color: var(--text-primary); margin: 22px 0 10px 0; border-left: 4px solid var(--accent-primary); padding-left: 12px; }
.slogan-quote { background: var(--bg-secondary); border: 1px dashed var(--border-color-light); border-radius: var(--radius-md); padding: 18px; text-align: center; color: var(--accent-primary); font-weight: 700; margin-top: 22px; font-size: 15px; }

/* 聯絡資訊卡片區 */
.contact-cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 16px; }
.contact-card-item { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 20px; display: flex; align-items: center; gap: 14px; transition: var(--transition-fast); }
.contact-card-item:hover { border-color: var(--accent-primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.contact-card-icon { font-size: 22px; width: 44px; height: 44px; border-radius: 10px; background: rgba(56, 189, 248, 0.1); color: var(--accent-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-card-info { display: flex; flex-direction: column; }
.contact-card-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 2px; }
.contact-card-value { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.contact-card-value a { color: var(--accent-primary); text-decoration: none; }
.contact-card-value a:hover { text-decoration: underline; }

/* 社群聯絡管道卡片 */
.social-channels-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 16px; }
.social-card { display: flex; align-items: center; gap: 14px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 18px; color: var(--text-primary); text-decoration: none; font-weight: 600; font-size: 13.5px; transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); }
.social-card:hover { transform: translateY(-3px); }

.social-card .social-icon-box { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform 0.25s ease; }
.social-card:hover .social-icon-box { transform: scale(1.08); }

.social-card-discord .social-icon-box { background: rgba(88, 101, 242, 0.22); border: 1px solid rgba(88, 101, 242, 0.35); }
.social-card-discord:hover { border-color: rgba(88, 101, 242, 0.6); box-shadow: 0 8px 24px -4px rgba(88, 101, 242, 0.3); }

.social-card-facebook .social-icon-box { background: rgba(24, 119, 242, 0.22); border: 1px solid rgba(24, 119, 242, 0.35); }
.social-card-facebook:hover { border-color: rgba(24, 119, 242, 0.6); box-shadow: 0 8px 24px -4px rgba(24, 119, 242, 0.3); }

.social-card-instagram .social-icon-box { background: linear-gradient(135deg, rgba(240, 148, 51, 0.22), rgba(230, 30, 26, 0.22), rgba(188, 24, 136, 0.22), rgba(76, 0, 153, 0.22)); border: 1px solid rgba(225, 48, 108, 0.35); }
.social-card-instagram:hover { border-color: rgba(225, 48, 108, 0.6); box-shadow: 0 8px 24px -4px rgba(225, 48, 108, 0.3); }

.social-card-line .social-icon-box { background: rgba(6, 199, 85, 0.22); border: 1px solid rgba(6, 199, 85, 0.35); }
.social-card-line:hover { border-color: rgba(6, 199, 85, 0.6); box-shadow: 0 8px 24px -4px rgba(6, 199, 85, 0.3); }

.social-card-steam .social-icon-box { background: linear-gradient(135deg, rgba(23, 26, 33, 0.8), rgba(42, 71, 94, 0.6)); border: 1px solid rgba(102, 192, 244, 0.35); }
.social-card-steam:hover { border-color: rgba(102, 192, 244, 0.6); box-shadow: 0 8px 24px -4px rgba(102, 192, 244, 0.3); }

.social-card-text { display: flex; flex-direction: column; }
.social-card-title { font-size: 13.5px; font-weight: 700; color: var(--text-primary); }
.social-card-sub { font-size: 11.5px; color: var(--text-muted); margin-top: 1px; }

.terms-links-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.term-link-item { display: flex; align-items: center; justify-content: space-between; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 18px; font-weight: 600; }

/* 個人資料模組美化 (Profile Dashboard Styling) */
.profile-hero-card { background: linear-gradient(135deg, rgba(26, 35, 50, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%); backdrop-filter: blur(12px); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 22px; box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
.profile-hero-flex { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.profile-user-group { display: flex; align-items: center; gap: 16px; }
.profile-avatar-large { width: 68px; height: 68px; border-radius: var(--radius-full); background: var(--accent-gradient); color: #fff; font-size: 28px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-accent); border: 2px solid rgba(56, 189, 248, 0.4); flex-shrink: 0; }
.profile-user-info h2 { font-size: 22px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.profile-user-info p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

.readonly-notice-pill { display: inline-flex; align-items: center; gap: 6px; background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.35); color: #f59e0b; padding: 6px 14px; border-radius: var(--radius-full); font-size: 12px; font-weight: 600; }

.profile-kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.kpi-card { background: linear-gradient(145deg, rgba(17, 24, 39, 0.9) 0%, rgba(26, 35, 50, 0.9) 100%); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 18px; display: flex; flex-direction: column; transition: var(--transition-fast); }
.kpi-card:hover { border-color: var(--accent-primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.kpi-title { font-size: 12.5px; color: var(--text-muted); font-weight: 500; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.kpi-value { font-size: 24px; font-weight: 800; color: var(--accent-primary); line-height: 1.2; }
.kpi-sub { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; }

.profile-fields-card { background: linear-gradient(145deg, rgba(26, 35, 50, 0.9) 0%, rgba(13, 20, 34, 0.9) 100%); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 22px; }
.profile-fields-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px; }
.field-box { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px; display: flex; flex-direction: column; }
.field-label { font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.field-value { font-size: 14px; font-weight: 700; color: var(--text-primary); word-break: break-all; }

/* ==========================================================================
   5. 電腦端與行動端 RWD 全站自適應適配系統 (Comprehensive Site-Wide Mobile RWD System)
   ========================================================================== */
@media (max-width: 1024px) {
  .grid-2-col, .grid-3-col { grid-template-columns: 1fr; }
  .topbar-center { max-width: 320px; }
  .profile-fields-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* 5.1 頂部導航列 (Topbar) 行動端極簡與排版防折行 */
  .topbar { padding: 0 10px !important; height: 60px !important; gap: 8px !important; justify-content: space-between !important; }
  .hamburger-btn { display: flex !important; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.06); flex-shrink: 0; }
  .topbar-center { display: none !important; }
  
  .topbar-left { gap: 6px !important; flex-shrink: 1 !important; min-width: 0 !important; overflow: hidden !important; }
  .brand-logo { gap: 6px !important; min-width: 0 !important; flex-shrink: 1 !important; overflow: hidden !important; white-space: nowrap !important; }
  .logo-img { width: 30px !important; height: 30px !important; }
  .brand-text { display: flex !important; flex-direction: column !important; white-space: nowrap !important; overflow: hidden !important; text-overflow: ellipsis !important; min-width: 0 !important; flex-shrink: 1 !important; }
  .brand-name { font-size: 13.5px !important; font-weight: 800 !important; white-space: nowrap !important; overflow: hidden !important; text-overflow: ellipsis !important; max-width: 130px !important; display: block !important; }
  .brand-tag { display: none !important; }

  .topbar-right { gap: 5px !important; flex-shrink: 0 !important; display: flex !important; align-items: center !important; }
  .user-info-text { display: none !important; }
  .oauth-mini-icons { display: none !important; }
  .cart-text { display: none !important; }
  .btn-login-main span:not(.login-icon) { display: none !important; }

  .btn-cart-toggle { padding: 5px 9px !important; height: 36px !important; border-radius: 18px !important; font-size: 12.5px !important; font-weight: 700 !important; flex-shrink: 0 !important; }
  .btn-login-main { padding: 5px 10px !important; height: 36px !important; border-radius: 18px !important; flex-shrink: 0 !important; }
  .oauth-quick-bar { padding: 0 !important; background: transparent !important; border: none !important; flex-shrink: 0 !important; }
  .user-balance-badge { padding: 4px 8px !important; height: 36px !important; border-radius: 18px !important; font-size: 12px !important; font-weight: 700 !important; display: inline-flex !important; align-items: center !important; flex-shrink: 0 !important; }
  .user-profile-menu { padding: 2px 4px !important; height: 36px !important; border-radius: 18px !important; flex-shrink: 0 !important; display: flex !important; align-items: center !important; }
  .avatar-circle { width: 28px !important; height: 28px !important; font-size: 12px !important; }

  /* 5.2 側邊欄抽屜 (Sidebar Drawer & Overlay) */
  .sidebar { transform: translateX(-100%) !important; z-index: 200 !important; box-shadow: var(--shadow-lg) !important; width: 270px !important; top: 0 !important; height: 100vh !important; }
  .sidebar.active { transform: translateX(0) !important; }
  .sidebar-overlay { position: fixed !important; top: 0; left: 0; right: 0; bottom: 0; background: rgba(8, 12, 20, 0.8) !important; backdrop-filter: blur(6px) !important; -webkit-backdrop-filter: blur(6px) !important; z-index: 190 !important; display: none; pointer-events: none; }
  .sidebar-overlay.active { display: block !important; pointer-events: auto !important; }

  /* 5.3 內容主區塊與頁面標題 */
  .content-area { margin-left: 0 !important; padding: 14px 10px !important; }
  .card-section { padding: 16px 12px !important; border-radius: 12px !important; }
  .section-header, .page-header { flex-direction: column !important; align-items: flex-start !important; gap: 10px !important; }
  .section-header > div, .page-header > div { width: 100% !important; }
  .section-header .btn, .page-header .btn, .section-header button, .page-header button { width: 100% !important; justify-content: center !important; }

  /* 5.4 篩選列與所有表單元件 (Select / Input / Button) 自適應堆疊與對齊 */
  .filter-toolbar, [class*="filter-bar"], [class*="toolbar"] { flex-direction: column !important; align-items: stretch !important; gap: 10px !important; }
  .filter-toolbar > div, [class*="filter-bar"] > div { width: 100% !important; max-width: 100% !important; flex: 1 1 100% !important; }
  .filter-toolbar input, .filter-toolbar select, .filter-toolbar button,
  .card-section input, .card-section select { max-width: 100% !important; width: 100% !important; flex: 1 1 100% !important; box-sizing: border-box !important; }

  /* 5.5 多欄網格與 KPI 卡片單欄化 */
  .grid-2-col, .grid-3-col, .grid-4-col { grid-template-columns: 1fr !important; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
  .products-grid { grid-template-columns: 1fr !important; gap: 14px !important; }
  .profile-hero-flex { flex-direction: column !important; align-items: flex-start !important; }
  .profile-kpi-grid { grid-template-columns: 1fr !important; }
  .profile-fields-grid { grid-template-columns: 1fr !important; }
  .contact-cards-grid { grid-template-columns: 1fr !important; }
  .social-channels-grid { grid-template-columns: 1fr !important; }

  /* 5.6 表格 (Data Tables) 水平流暢滾動防擠壓 */
  .table-responsive { width: 100% !important; overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; margin-bottom: 14px !important; border-radius: 8px !important; }
  .data-table { min-width: 680px !important; }
  .data-table th, .data-table td { padding: 10px 8px !important; font-size: 12px !important; }

  /* 5.7 彈窗 (Modals) 手機端滿寬自適應與頁籤水平橫向滾動 */
  .modal-dialog { padding: 0 !important; width: calc(100vw - 16px) !important; max-width: 100% !important; max-height: 92vh !important; margin: 8px auto !important; border-radius: 14px !important; }
  .modal-dialog.modal-lg { max-width: 100% !important; }
  .modal-header { padding: 14px 14px !important; }
  .modal-body { padding: 14px 12px !important; max-height: calc(90vh - 120px) !important; overflow-y: auto !important; }
  .modal-footer { padding: 12px 14px !important; flex-wrap: wrap !important; justify-content: flex-end !important; gap: 8px !important; }
  .modal-footer .btn { flex: 1 1 auto !important; min-width: 80px !important; text-align: center !important; }

  /* 彈窗頁籤 (Nav Tabs) 水平滑動 */
  .admin-product-nav-tabs, .product-detail-nav-tabs { display: flex !important; overflow-x: auto !important; white-space: nowrap !important; -webkit-overflow-scrolling: touch !important; padding-bottom: 6px !important; gap: 6px !important; flex-wrap: nowrap !important; }
  .p-tab-btn, .admin-p-tab-btn { padding: 6px 12px !important; font-size: 12px !important; flex-shrink: 0 !important; white-space: nowrap !important; }
}

@media (max-width: 480px) {
  .brand-name { max-width: 85px !important; font-size: 13px !important; }
  .topbar { padding: 0 8px !important; }
  .topbar-left { gap: 4px !important; }
  .topbar-right { gap: 4px !important; }
  
  .btn-cart-toggle { padding: 4px 7px !important; font-size: 12px !important; height: 32px !important; }
  .btn-login-main { padding: 4px 7px !important; height: 32px !important; }
  .user-balance-badge { padding: 3px 6px !important; font-size: 11px !important; height: 32px !important; }
  .user-profile-menu { padding: 2px 4px !important; height: 32px !important; }
  .avatar-circle { width: 24px !important; height: 24px !important; font-size: 11px !important; }
  
  .metrics-grid { grid-template-columns: 1fr !important; }
  .toast-container { top: 66px !important; right: 8px !important; left: 8px !important; width: auto !important; max-width: none !important; }
}

@media (min-width: 769px) {
  .sidebar-overlay { display: none !important; pointer-events: none !important; }
}

/* Toast 頁面彈窗訊息通知 (Toast Page Notifications) */
.toast-container {
  position: fixed;
  top: 76px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 380px;
  width: calc(100% - 48px);
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background-color: #0f172a;
  border: 1px solid rgba(59, 130, 246, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 500;
  animation: toastSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transition: all 0.25s ease;
}

.toast-item.toast-success { border-left: 4px solid var(--color-success); }
.toast-item.toast-info { border-left: 4px solid var(--color-info); }
.toast-item.toast-warning { border-left: 4px solid var(--color-warning); }
.toast-item.toast-danger { border-left: 4px solid var(--color-danger); }

.toast-item.hide {
  opacity: 0;
  transform: translateX(50px) scale(0.9);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* 自訂下拉多選標籤選取器 (Custom Tag Multi-Select Dropdown Picker) */
.custom-tag-picker-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  min-height: 44px;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  transition: var(--transition-fast);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.custom-tag-picker-box:hover {
  border-color: var(--accent-primary);
  background: rgba(17, 24, 39, 0.95);
}

.custom-tag-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 100%;
  max-width: 100%;
  z-index: 1050;
  background: linear-gradient(145deg, #111827 0%, #0d131f 100%);
  border: 1px solid var(--border-color-light);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.08);
  animation: dropdownIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tag-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 12px;
}

.custom-checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.custom-checkbox-pill:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-light);
  color: var(--text-primary);
}

.custom-checkbox-pill.checked {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.15);
}

.custom-checkbox-pill input[type="checkbox"] {
  display: none;
}

.custom-checkbox-pill .check-indicator {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1.5px solid var(--border-color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.custom-checkbox-pill.checked .check-indicator {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

/* Audit Log 詳情彈窗與比對視圖美化 */
.details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

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

.detail-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: var(--transition-fast);
}

.detail-item:hover {
  border-color: var(--border-color-light);
  background: var(--bg-card-hover);
}

.detail-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-value {
  font-size: 13px;
  color: var(--text-primary);
  word-break: break-all;
  font-weight: 500;
}

.detail-value code {
  background: rgba(0, 0, 0, 0.25);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
}

.audit-compare-section {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 14px;
}

.audit-compare-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.audit-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.audit-compare-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.audit-compare-box.prev {
  border-left: 3px solid #f59e0b;
}

.audit-compare-box.curr {
  border-left: 3px solid #10b981;
}

.audit-compare-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.audit-compare-content {
  font-size: 12px;
  font-family: var(--font-mono, monospace);
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 180px;
  overflow-y: auto;
}

/* 懸浮購物車按鈕與數量徽章 */
.floating-cart-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9990;
  display: none;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.5), 0 8px 16px -6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.25s ease;
  outline: none;
}

.floating-cart-btn:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 16px 32px -5px rgba(99, 102, 241, 0.7), 0 12px 20px -6px rgba(0, 0, 0, 0.5);
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
}

.floating-cart-btn:active {
  transform: translateY(0) scale(0.95);
}

.floating-cart-icon {
  font-size: 26px;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.floating-cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  min-width: 22px;
  height: 22px;
  border-radius: 11px;
  padding: 0 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #0f172a;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
  animation: cartBadgePop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes cartBadgePop {
  0% { transform: scale(0.4); opacity: 0.5; }
  80% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 640px) {
  .floating-cart-btn {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }
  .floating-cart-icon {
    font-size: 23px;
  }
}

/* 訂單卡片與備註多行顯示樣式 */
.order-card-footer {
  background: rgba(15, 23, 42, 0.4);
  border-top: 1px dashed var(--border-color);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.order-card-note-label {
  font-weight: 700;
  color: var(--accent-primary);
  margin-right: 4px;
}

.order-card-note-content {
  white-space: pre-wrap;
  word-break: break-word;
  display: block;
  margin-top: 4px;
}

/* 全站數字輸入框隱藏瀏覽器原生上下微調箭頭 (Spinner Buttons) */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -webkit-appearance: none;
  -moz-appearance: textfield;
  appearance: none;
}

/* ==========================================================================
   管理員銷售報告與 Analytics 儀表板樣式 (WooCommerce Style)
   ========================================================================== */

.btn-period {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary, #94a3b8);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-period:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-period.active {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #ffffff;
  border-color: #6366f1;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* 每日趨勢柱狀圖容器與條柱 */
.sales-trend-bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  gap: 6px;
  position: relative;
  cursor: pointer;
}

.sales-trend-bar-outer {
  width: 100%;
  max-width: 42px;
  height: 180px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 8px 8px 4px 4px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: visible; /* 允許懸浮提示彈窗超出外框顯示 */
}

.sales-trend-bar-inner {
  width: 100%;
  background: linear-gradient(to top, #6366f1, #38bdf8);
  border-radius: 6px 6px 0 0;
  transition: height 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.sales-trend-bar-wrapper:hover .sales-trend-bar-inner,
.sales-trend-bar-outer:hover .sales-trend-bar-inner {
  filter: brightness(1.25);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
}

/* 懸浮提示框 (Tooltip Floating Badge) */
.sales-trend-bar-wrapper:hover .sales-trend-bar-outer::after,
.sales-trend-bar-outer:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(15, 23, 42, 0.96);
  color: #f8fafc;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 0 12px rgba(56, 189, 248, 0.25);
  z-index: 100;
}

/* Tooltip 下方小箭頭 */
.sales-trend-bar-wrapper:hover .sales-trend-bar-outer::before,
.sales-trend-bar-outer:hover::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  border-width: 6px 6px 0 6px;
  border-style: solid;
  border-color: rgba(56, 189, 248, 0.4) transparent transparent transparent;
  pointer-events: none;
  z-index: 101;
}

.sales-trend-date {
  font-size: 0.75rem;
  color: var(--text-secondary, #94a3b8);
  transform: rotate(-30deg);
  transform-origin: center;
  white-space: nowrap;
  margin-top: 4px;
}

/* 熱銷商品列表項 */
.top-product-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.2s;
}

.top-product-item:hover {
  background: rgba(255, 255, 255, 0.07);
}

.top-product-rank {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  margin-right: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: #94a3b8;
}

.top-product-rank.rank-1 { background: #eab308; color: #000; }
.top-product-rank.rank-2 { background: #94a3b8; color: #000; }
.top-product-rank.rank-3 { background: #d97706; color: #fff; }

/* 佔比進度條 */
.breakdown-progress-bg {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}

.breakdown-progress-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #6366f1, #a855f7);
  transition: width 0.6s ease;
}

@media (max-width: 992px) {
  .sales-main-row, .sales-sub-row {
    grid-template-columns: 1fr !important;
  }
}

/* WooCommerce 經典商品相冊與圖片庫 (Product Gallery Showcase & Lightbox) */
.single-product-main-img-box {
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  border-radius: 16px;
  border: 3px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(56, 189, 248, 0.25);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  background: #0f172a;
}
.single-product-main-img-box:hover {
  transform: scale(1.015);
  border-color: #38bdf8;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.7), 0 0 35px rgba(56, 189, 248, 0.4);
}
.single-product-main-img-box .single-product-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease, transform 0.3s ease;
}
.single-product-main-img-box:hover .single-product-img {
  transform: scale(1.03);
}
.main-img-zoom-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 700;
  pointer-events: none;
  opacity: 0.85;
  transition: all 0.2s ease;
}
.single-product-main-img-box:hover .main-img-zoom-hint {
  opacity: 1;
  background: rgba(56, 189, 248, 0.95);
  color: #0f172a;
}

/* 相冊縮圖 Carousel 橫排 */
.product-gallery-thumbs-wrapper {
  overflow-x: auto;
  padding: 4px 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(56, 189, 248, 0.4) transparent;
}
.product-gallery-thumbs-wrapper::-webkit-scrollbar {
  height: 5px;
}
.product-gallery-thumbs-wrapper::-webkit-scrollbar-thumb {
  background: rgba(56, 189, 248, 0.4);
  border-radius: 4px;
}
.product-gallery-thumbs-list {
  display: flex;
  gap: 10px;
}
.product-gallery-thumb {
  width: 66px;
  height: 66px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid rgba(148, 163, 184, 0.3);
  cursor: pointer;
  opacity: 0.65;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--bg-secondary);
}
.product-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-gallery-thumb:hover {
  opacity: 1;
  border-color: #38bdf8;
  transform: translateY(-2px);
}
.product-gallery-thumb.active {
  opacity: 1;
  border: 2.5px solid #38bdf8;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.7);
  transform: scale(1.06);
}

/* 全螢幕高畫質 Lightbox 相冊巨幕圖庫 */
.woo-lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 15, 25, 0.95);
  backdrop-filter: blur(12px);
  z-index: 999999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  animation: fadeIn 0.25s ease-out;
}
.woo-lightbox-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
}
.woo-lightbox-counter {
  font-size: 15px;
  font-weight: 800;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 6px 16px;
  border-radius: 20px;
}
.woo-lightbox-close {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 22px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.woo-lightbox-close:hover {
  background: #ef4444;
  border-color: #ef4444;
  transform: rotate(90deg);
}
.woo-lightbox-body {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 90vw;
  max-height: 78vh;
  flex: 1;
}
.woo-lightbox-img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(56, 189, 248, 0.3);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.woo-lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.85);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  color: #ffffff;
  font-size: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}
.woo-lightbox-nav-btn:hover {
  background: #38bdf8;
  color: #0f172a;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.6);
  transform: translateY(-50%) scale(1.1);
}
.woo-lightbox-nav-prev { left: -70px; }
.woo-lightbox-nav-next { right: -70px; }
@media (max-width: 768px) {
  .woo-lightbox-nav-prev { left: 10px; }
  .woo-lightbox-nav-next { right: 10px; }
}
.woo-lightbox-footer {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  max-width: 90vw;
  padding: 8px 0;
}

/* ==========================================================================
   6.0 用戶端：已擁有商品與訂單紀錄 - 極致 Modern Card Grid & Modal 樣式
   ========================================================================== */
.user-assets-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.asset-card {
  background: var(--bg-secondary, #1a2332);
  border: 1px solid var(--border-color, #263347);
  border-radius: 16px;
  padding: 22px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.asset-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  opacity: 0.8;
  transition: height 0.2s ease;
}

.asset-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.5), 0 0 24px rgba(56, 189, 248, 0.2);
}

.asset-card:hover::before {
  height: 4px;
}

.asset-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.asset-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary, #f8fafc);
  line-height: 1.4;
  margin: 0;
}

.asset-card-meta {
  font-size: 12px;
  color: var(--text-muted, #94a3b8);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.asset-card-delivery-preview {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--text-primary, #f1f5f9);
  max-height: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: monospace;
  position: relative;
}

.asset-card-delivery-preview::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 24px;
  background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.9));
}

.client-orders-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.client-order-card {
  background: var(--bg-secondary, #1a2332);
  border: 1px solid var(--border-color, #263347);
  border-radius: 16px;
  padding: 22px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.client-order-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.5), 0 0 24px rgba(56, 189, 248, 0.2);
}

.client-order-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 12px;
}

.client-order-no {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--accent-primary, #38bdf8);
  font-family: monospace;
  display: flex;
  align-items: center;
  gap: 6px;
}

.client-order-price {
  font-size: 18px;
  font-weight: 800;
  color: #10b981;
}

.client-order-items-preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.client-order-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary, #cbd5e1);
}

.client-order-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .user-assets-card-grid, .client-orders-card-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   7.0 管理端：商品 CRUD 新增與編輯 - 人性化 Form Card & Wizard 樣式
   ========================================================================== */
.form-card-section {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
  transition: all 0.2s ease;
}

.form-card-section:hover {
  border-color: rgba(56, 189, 248, 0.3);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.form-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.form-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-primary, #38bdf8);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.toggle-switch-card {
  background: var(--bg-secondary, #1a2332);
  border: 1.5px solid var(--border-color, #263347);
  border-radius: 12px;
  padding: 14px 18px;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.toggle-switch-card:hover {
  border-color: rgba(56, 189, 248, 0.5);
  background: #202b3d;
}

.toggle-switch-card.active-red {
  border-color: rgba(239, 68, 68, 0.6);
  background: rgba(239, 68, 68, 0.1);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.15);
}

.toggle-switch-card.active-green {
  border-color: rgba(16, 185, 129, 0.6);
  background: rgba(16, 185, 129, 0.1);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.15);
}

.toggle-switch-card.active-blue {
  border-color: rgba(56, 189, 248, 0.6);
  background: rgba(56, 189, 248, 0.1);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
}

.toggle-switch-card.active-purple {
  border-color: rgba(168, 85, 247, 0.6);
  background: rgba(168, 85, 247, 0.1);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.15);
}

.toggle-slider {
  width: 44px;
  height: 24px;
  background: #334155;
  border-radius: 12px;
  position: relative;
  transition: background 0.25s ease;
  flex-shrink: 0;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #ffffff;
  border-radius: 50%;
  transition: transform 0.25s ease;
}

.toggle-switch-card.active .toggle-slider,
.toggle-switch-card.active-red .toggle-slider,
.toggle-switch-card.active-green .toggle-slider,
.toggle-switch-card.active-blue .toggle-slider,
.toggle-switch-card.active-purple .toggle-slider {
  background: #38bdf8;
}

.toggle-switch-card.active-red .toggle-slider { background: #ef4444; }
.toggle-switch-card.active-green .toggle-slider { background: #10b981; }
.toggle-switch-card.active-purple .toggle-slider { background: #a855f7; }

.toggle-switch-card.active .toggle-slider::after,
.toggle-switch-card.active-red .toggle-slider::after,
.toggle-switch-card.active-green .toggle-slider::after,
.toggle-switch-card.active-blue .toggle-slider::after,
.toggle-switch-card.active-purple .toggle-slider::after {
  transform: translateX(20px);
}

.key-counter-badge {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  font-size: 12.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}