/* ==============================================================================
   先勇茶业 · 原产地溯源与数字化中台响应式样式表 (Style System SSOT)
   ==============================================================================
   设计规范:
   - 东方茶道美学 (朱文印章 / 翡翠墨绿 / 琥珀金 / 珍珠白)
   - 瑞士网格双端自适应 (Desktop Wide + Mobile Bottom Nav)
   - 100% 原生 Vanilla CSS 自包含架构
   ============================================================================== */

:root {
  /* 品牌核心色彩 */
  --primary: #059669;
  --primary-dark: #047857;
  --primary-light: #d1fae5;
  --primary-glow: rgba(5, 150, 105, 0.25);
  
  --gold: #d97706;
  --gold-dark: #b45309;
  --gold-light: #fef3c7;
  
  --dark: #0f172a;
  --text-main: #334155;
  --text-muted: #64748b;
  --danger: #dc2626;
  
  --bg-gradient: linear-gradient(135deg, #f0fdf4 0%, #f8fafc 50%, #ecfdf5 100%);
  --card-bg: rgba(255, 255, 255, 0.92);
  --border: rgba(203, 213, 225, 0.7);
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* 尺寸与过渡 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Serif SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

/* ==============================================================================
   1. 顶部 Header 导航系统 (Desktop & Mobile Adaptive)
   ============================================================================== */
.app-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 10px 20px;
  transition: var(--transition);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 2px 10px rgba(185, 28, 28, 0.2);
  border: 1.5px solid rgba(185, 28, 28, 0.4);
  flex-shrink: 0;
}

.brand-text h1 {
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.brand-sub {
  font-size: clamp(10px, 1.4vw, 11.5px);
  color: var(--primary-dark);
  display: block;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-btn:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.nav-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* ==============================================================================
   2. 主体内容与卡片网格系统
   ============================================================================== */
.main-content {
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 16px;
  flex: 1;
  width: 100%;
}

.view-panel {
  display: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-panel.active {
  display: block;
}

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

/* 通用毛玻璃卡片 */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(5, 150, 105, 0.4);
}

/* ==============================================================================
   3. 模块 1: 防伪核验与质检落地页
   ============================================================================== */
.search-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

#trace-code-input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: 'Cinzel', monospace;
  letter-spacing: 1px;
  color: var(--dark);
  background: #ffffff;
  outline: none;
  transition: var(--transition);
  min-height: 48px;
}

#trace-code-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-secondary {
  background: #ffffff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.btn-block {
  width: 100%;
}

.quick-samples {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.quick-label {
  font-weight: 600;
  white-space: nowrap;
}

.chips-container {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sample-tag {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid rgba(5, 150, 105, 0.3);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.sample-tag:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-1px);
}

/* 核验结果卡片 (Trace Result) */
.result-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-card {
  border-left: 5px solid var(--primary);
}

.result-card.status-alert {
  border-left-color: var(--danger);
  background: rgba(254, 242, 242, 0.95);
}

.result-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.tea-title-group h2 {
  font-size: 20px;
  color: var(--dark);
  font-weight: 700;
}

.tea-title-group .batch-tag {
  font-size: 12px;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-top: 4px;
  font-family: monospace;
}

.trace-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 16px 0;
  font-size: 13.5px;
}

.info-item {
  background: #ffffff;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.info-item span.lbl {
  color: var(--text-muted);
  font-size: 11.5px;
  display: block;
  margin-bottom: 2px;
}

.info-item span.val {
  color: var(--dark);
  font-weight: 600;
}

/* 视频播放器卡片 */
.video-preview-wrapper {
  margin-top: 16px;
  background: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
}

.video-preview-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==============================================================================
   4. 模块 2: 小量化轻奢消费专区
   ============================================================================== */
.badge-gold {
  background: var(--gold-light);
  color: var(--gold-dark);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  display: inline-block;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.mini-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.mini-header-flex h2 {
  font-size: clamp(16px, 2vw, 20px);
  margin: 6px 0 4px 0;
}

.mini-header-flex p {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0;
}

.user-points-widget {
  background: var(--card-bg);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: right;
  flex-shrink: 0;
}

.user-points-widget .points-label {
  font-size: 11px;
  color: var(--text-muted);
}

.user-points-widget .points-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.product-img-box {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--primary-light);
  overflow: hidden;
}

.product-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-img-box img {
  transform: scale(1.03);
}

.product-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.product-body p.desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.product-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.price-box .price-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--gold);
  font-family: 'Cinzel', serif;
}

.price-box .price-unit {
  font-size: 11px;
  color: var(--text-muted);
}

/* 设计哲学横幅 */
.philosophy-card {
  margin-top: 20px;
  padding: 20px 24px;
  border-left: 4px solid var(--gold);
}

.philosophy-title {
  margin-top: 0;
  color: var(--gold-dark);
  font-size: 15px;
  font-weight: 700;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 12px;
  font-size: 13px;
}

.philosophy-item strong {
  color: var(--dark);
  display: block;
}

.philosophy-item p {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 3px;
}

/* ==============================================================================
   5. 模块 3: 先勇茶友会与名山品茗足迹
   ============================================================================== */
.loyalty-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.loyalty-header h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-top: 4px;
}

.points-badge {
  background: var(--gold-light);
  border: 1px solid var(--gold);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  text-align: center;
}

.points-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--gold-dark);
  display: block;
  line-height: 1;
}

.points-label {
  font-size: 10.5px;
  color: var(--gold-dark);
  font-weight: 600;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.loyalty-exchange-card {
  background: var(--card-bg);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.exchange-title {
  font-weight: 700;
  color: var(--primary);
  font-size: 14px;
}

.exchange-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.map-title {
  font-size: 16px;
  margin-bottom: 14px;
  color: var(--dark);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 14px;
}

.mountain-badge-card {
  background: #ffffff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  transition: var(--transition);
}

.mountain-badge-card.unlocked {
  border-color: var(--gold);
  background: #fffbeb;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.15);
}

.mountain-badge-card .badge-icon {
  font-size: 28px;
  margin-bottom: 6px;
}

.mountain-badge-card h4 {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--dark);
}

.mountain-badge-card .badge-status {
  font-size: 10.5px;
  color: var(--gold-dark);
  margin-top: 3px;
  font-weight: 600;
}

/* ==============================================================================
   6. 模块 4: 茶厂现场手机采录
   ============================================================================== */
.factory-card h2 {
  font-size: 18px;
  color: var(--dark);
  margin-bottom: 4px;
}

.sub-tip {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--dark);
  background: #ffffff;
  outline: none;
  min-height: 44px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.file-upload-box {
  border: 2px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  background: var(--primary-light);
  cursor: pointer;
  position: relative;
}

.file-upload-box input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-box p {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
}

/* ==============================================================================
   7. 模块 5: 管理中台与风控雷达
   ============================================================================== */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.stat-card {
  background: #ffffff;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: center;
}

.stat-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Cinzel', monospace;
  display: block;
}

.stat-lbl {
  font-size: 11px;
  color: var(--text-muted);
}

.log-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
  max-height: 240px;
  overflow-y: auto;
}

.log-item {
  background: #ffffff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 12px;
  display: flex;
  gap: 8px;
}

.log-item.alert-item {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #9f1239;
}

.log-time {
  font-family: monospace;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  margin-top: auto;
}

/* ==============================================================================
   8. 📱 移动端悬浮导航栏与响应式断点 (Mobile & Responsive Rules)
   ============================================================================== */
.mobile-bottom-nav {
  display: none; /* 默认桌面端隐藏 */
}

/* 📱 移动端与小平板断点 (< 768px) */
@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
  
  .app-header {
    padding: 8px 14px;
  }
  
  .brand-logo-img {
    width: 36px;
    height: 36px;
  }
  
  .main-content {
    margin: 12px auto 84px auto; /* 预留 84px 给底部悬浮导航 */
    padding: 0 12px;
  }
  
  .glass-card {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
  }
  
  /* 移动端搜索栏全宽垂直流 */
  .search-input-group {
    flex-direction: column;
    gap: 8px;
  }
  
  .search-input-group button {
    width: 100%;
  }
  
  .quick-samples {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  
  .chips-container {
    flex-wrap: nowrap;
  }
  
  /* 小量化卡片转单列大卡片 */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  
  /* 名山足迹转 2 列精致卡片 */
  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  /* 移动端底部悬浮导航条 (Floating Glass Nav) */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 12px;
    left: 14px;
    right: 14px;
    height: 58px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-full);
    box-shadow: 0 10px 30px rgba(5, 150, 105, 0.2), 0 4px 10px rgba(0, 0, 0, 0.05);
    border: 1.5px solid rgba(5, 150, 105, 0.25);
    z-index: 9999;
    justify-content: space-around;
    align-items: center;
    padding: 0 8px;
  }
  
  .mobile-nav-btn {
    background: transparent;
    border: none;
    outline: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    flex: 1;
    min-height: 48px;
  }
  
  .mobile-nav-btn .nav-icon {
    font-size: 18px;
    line-height: 1;
    margin-bottom: 2px;
    transition: var(--transition);
  }
  
  .mobile-nav-btn .nav-label {
    font-size: 10.5px;
    font-weight: 600;
  }
  
  .mobile-nav-btn.active {
    color: var(--primary-dark);
  }
  
  .mobile-nav-btn.active .nav-icon {
    transform: scale(1.15);
  }
  
  .mobile-nav-btn.active .nav-label {
    font-weight: 800;
    color: var(--primary);
  }
  
  /* 移动端底部版权微调 */
  .app-footer {
    padding-bottom: 80px;
  }
}