/* ========================================================
   QM.s 个人空间 - 白色简约呼吸感设计系统 (721825.xyz)
   设计语言：纯净极简 · 舒展留白 · 细腻微阴影 · 纯白呼吸感
   ======================================================== */

:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-input: #ffffff;

  --border-light: rgba(15, 23, 42, 0.08);
  --border-focus: #2563eb;
  --border-card: #e2e8f0;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --accent-blue: #2563eb;
  --accent-blue-soft: #eff6ff;
  --accent-green: #059669;
  --accent-green-soft: #ecfdf5;
  --accent-amber: #d97706;
  --accent-amber-soft: #fffbeb;
  --accent-red: #dc2626;
  --accent-red-soft: #fef2f2;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
  --shadow-hover: 0 16px 36px -8px rgba(15, 23, 42, 0.09), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-pop: 0 20px 45px -10px rgba(37, 99, 235, 0.12);

  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 呼吸感背景微光 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 480px;
  background: radial-gradient(circle at 50% -20%, rgba(37, 99, 235, 0.04) 0%, rgba(248, 250, 252, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

/* 页面主容器 - 充裕且舒适的间距 */
.app-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 32px 28px 80px;
  position: relative;
  z-index: 1;
}

/* ========================================================
   极简顶栏 Global Header
   ======================================================== */
.global-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  text-decoration: none;
}

.brand-avatar {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-wrapper:hover .brand-avatar {
  transform: scale(1.05);
}

.brand-info h1 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-domain-badge {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

.brand-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.status-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
}

.btn-back-hub {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--text-primary);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
}

.btn-back-hub:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

/* ========================================================
   门户首页 (Portal Hero & 双核心独立卡片)
   ======================================================== */
.portal-hero {
  text-align: center;
  margin-bottom: 44px;
}

.portal-hero h2 {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.portal-hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 540px;
  margin: 0 auto;
}

/* 双核心独立应用卡片阵列 (不再硬塞九宫格) */
.dual-portal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 36px;
}

.core-app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 38px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.core-app-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
  transition: background 0.3s ease;
}

.core-app-card.trade-theme::after {
  background: linear-gradient(90deg, #d97706, #f59e0b);
}

.core-app-card.monitor-theme::after {
  background: linear-gradient(90deg, #059669, #10b981);
}

.core-app-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15, 23, 42, 0.15);
  box-shadow: var(--shadow-hover);
}

.app-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.app-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

.core-app-card:hover .app-icon-wrapper {
  transform: scale(1.08);
}

.app-badge-tag {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.tag-amber {
  background: var(--accent-amber-soft);
  color: var(--accent-amber);
  border-color: rgba(217, 119, 6, 0.2);
}

.tag-green {
  background: var(--accent-green-soft);
  color: var(--accent-green);
  border-color: rgba(5, 150, 105, 0.2);
}

.tag-blue {
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  border-color: rgba(37, 99, 235, 0.2);
}

.app-card-body h3 {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.app-card-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.app-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.enter-cta {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  transition: transform 0.2s ease;
}

.core-app-card:hover .enter-cta {
  transform: translateX(4px);
  color: var(--accent-blue);
}

/* 底部轻量扩展栏 (克制、精致) */
.sub-tools-strip {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.tool-chip:hover {
  background: #ffffff;
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================================================
   子应用视图通用容器
   ======================================================== */
.view-panel {
  display: none;
  animation: fadeIn 0.25s ease-out forwards;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.subview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  padding: 22px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.subview-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.subview-icon {
  font-size: 2.1rem;
}

.subview-title-group h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
}

.subview-title-group p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* 按钮设计 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--text-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

.btn-outline {
  background: #ffffff;
  color: var(--text-secondary);
  border: 1px solid var(--border-card);
}

.btn-outline:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
  border-color: rgba(15, 23, 42, 0.2);
}

/* ========================================================
   海淘装备价格监测 - 高级模糊搜索与单品卡片
   ======================================================== */
.search-control-strip {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.search-input-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  transition: all 0.2s ease;
}

.search-input-box:focus-within {
  background: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.search-input-box input::placeholder {
  color: var(--text-light);
}

.quick-filter-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.quick-filter-tag {
  padding: 4px 12px;
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.quick-filter-tag:hover, .quick-filter-tag.active {
  background: var(--text-primary);
  color: #ffffff;
  border-color: var(--text-primary);
}

/* 单品大卡片 */
.items-list-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-deal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: 190px 1fr auto;
  gap: 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.product-deal-card:hover {
  border-color: rgba(15, 23, 42, 0.16);
  box-shadow: var(--shadow-hover);
}

.product-thumb-box {
  width: 190px;
  height: 190px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-subtle);
  position: relative;
  border: 1px solid var(--border-light);
}

.product-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-deal-card:hover .product-thumb-box img {
  transform: scale(1.04);
}

.product-thumb-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.product-details {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-name-row h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.product-model-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 8px 0 16px;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.channel-pill-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.channel-pill-card:hover {
  background: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.channel-site-name {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.channel-discount-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent-green-soft);
  color: var(--accent-green);
}

.channel-price-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.channel-cny-val {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.product-price-summary {
  width: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  text-align: right;
  border-left: 1px solid var(--border-light);
  padding-left: 24px;
}

.domestic-price-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.domestic-price-val {
  font-size: 0.95rem;
  color: var(--text-light);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.lowest-deal-label {
  font-size: 0.76rem;
  color: var(--accent-green);
  font-weight: 600;
}

.lowest-deal-price {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1.2;
}

.saved-amount-badge {
  display: inline-block;
  padding: 3px 8px;
  background: var(--accent-green-soft);
  border: 1px solid rgba(5, 150, 105, 0.2);
  color: var(--accent-green);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  margin: 6px 0 12px;
}

/* ========================================================
   合约策略规划器 (白色简约版)
   ======================================================== */
.trade-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 24px;
}

.trade-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.trade-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.trade-card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.92rem;
  outline: none;
  transition: all 0.2s;
}

.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.side-toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: var(--radius-sm);
}

.side-toggle-btn {
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.side-toggle-btn.active.long {
  background: #ffffff;
  color: var(--accent-green);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.side-toggle-btn.active.short {
  background: #ffffff;
  color: var(--accent-red);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.leg-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--bg-subtle);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.leg-remove-btn {
  background: transparent;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 6px;
  font-size: 1.1rem;
  transition: color 0.2s;
}

.leg-remove-btn:hover {
  color: var(--accent-red);
}

.btn-add-leg {
  width: 100%;
  padding: 8px;
  background: var(--bg-subtle);
  border: 1px dashed var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 16px;
}

.btn-add-leg:hover {
  background: #ffffff;
  border-color: var(--accent-blue);
}

.inline-badge-strip {
  padding: 10px 14px;
  background: var(--accent-blue-soft);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--accent-blue);
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
}

.estimate-board {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.estimate-stat {
  padding: 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.estimate-stat.highlight-profit {
  background: var(--accent-green-soft);
  border-color: rgba(5, 150, 105, 0.2);
}

.estimate-stat.highlight-loss {
  background: var(--accent-red-soft);
  border-color: rgba(220, 38, 38, 0.2);
}

.estimate-stat span {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.estimate-stat b {
  font-size: 1.3rem;
  font-weight: 700;
}

.color-profit { color: var(--accent-green); }
.color-loss { color: var(--accent-red); }
.color-cyan { color: var(--accent-blue); }
.color-gold { color: var(--accent-amber); }

/* 转运测算等布局 */
.shipping-calc-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
}

/* ========================================================
   响应式适配
   ======================================================== */
@media (max-width: 900px) {
  .dual-portal-grid {
    grid-template-columns: 1fr;
  }
  .trade-layout {
    grid-template-columns: 1fr;
  }
  .product-deal-card {
    grid-template-columns: 1fr;
  }
  .product-thumb-box {
    width: 100%;
    height: 220px;
  }
  .product-price-summary {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding-left: 0;
    padding-top: 16px;
    align-items: flex-start;
    text-align: left;
  }
  .shipping-calc-grid {
    grid-template-columns: 1fr;
  }
}