/* static/portal.css — v2.8 顶部导航 + 门户首页样式
 * 设计目标：白底浅灰、卡片阴影柔和、字号紧凑，不和 style.css 的卡片冲突。
 * 不合并 style.css，独立维护（任务边界规定）。
 * v3.0.3: F8 box-sizing reset + F5 :focus-visible
 */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --portal-bg: #f4f6fa;
  --portal-card-bg: #ffffff;
  --portal-border: #e5e7eb;
  --portal-text: #1f2937;
  --portal-muted: #6b7280;
  --portal-accent:var(--brand, #71DC68);
  --portal-accent-hover:var(--brand-strong, #5BC85A);
  --portal-accent-bg: var(--brand-soft, rgba(113,220,104,.14));
  --portal-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --portal-shadow-hover: 0 8px 24px rgba(113,220,104,0.18);
}

body.portal-body {
  background: var(--portal-bg);
}

/* ============ 顶部导航 ============ */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid var(--portal-border);
  height: 56px;
  display: flex;
  align-items: center;
}

.topnav-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.topnav .brand {
  font-size: 16px;
  font-weight: 600;
  color: var(--portal-text);
  text-decoration: none;
  letter-spacing: 0.2px;
}

.topnav .nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  align-items: center;
}

.topnav .nav-links a {
  font-size: 14px;
  color: var(--portal-text);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.topnav .nav-links a:hover {
  background: var(--portal-accent-bg);
  color: var(--portal-accent);
}

.topnav .nav-links a.active {
  background: var(--portal-accent);
  color: #ffffff;
}

.topnav .nav-links a.active:hover {
  background: var(--portal-accent);
  color: #ffffff;
}

.topnav .nav-links a.nav-health {
  font-size: 12px;
  color: var(--portal-muted);
  border: 1px solid var(--portal-border);
  padding: 4px 10px;
}

/* v8.3.2: 右上角用户菜单（未登录 / 已登录 + 登出） */
.topnav .nav-user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-size: 13px;
  color: var(--portal-text);
}
.topnav .nav-user-menu #nav-user-name {
  color: var(--portal-muted);
  white-space: nowrap;
}
.topnav .nav-user-menu #nav-logout-btn {
  padding: 4px 12px;
  font-size: 13px;
  background: transparent;
  border: 1px solid var(--portal-border);
  border-radius: 6px;
  color: var(--portal-text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.topnav .nav-user-menu #nav-logout-btn:hover {
  background: var(--portal-accent-bg);
  border-color: var(--portal-accent);
}
.topnav .nav-user-menu #nav-login-link {
  font-size: 13px;
  padding: 4px 12px;
  background: var(--portal-accent);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}
.topnav .nav-user-menu #nav-login-link:hover {
  background: var(--portal-accent-hover);
}
.topnav .nav-user-menu .hidden { display: none !important; }

.topnav .nav-burger {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--portal-border);
  border-radius: 6px;
  font-size: 18px;
  padding: 4px 10px;
  cursor: pointer;
  color: var(--portal-text);
}

/* 移动端 (<=768px)：链接折叠成汉堡菜单 */
@media (max-width: 768px) {
  .topnav .nav-burger {
    display: inline-block;
    min-width: 44px;
    min-height: 44px;
    padding: 8px 12px;
  }
  .topnav .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 12px;
    border-bottom: 1px solid var(--portal-border);
    box-shadow: var(--portal-shadow);
    margin-left: 0;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }
  .topnav .nav-links.open {
    display: flex;
  }
  .topnav .nav-links a {
    padding: 12px 14px;
    min-height: 44px;
    display: flex;
    align-items: center;
    font-size: 15px;
  }
  /* 顶部 padding 收紧 */
  .topnav-inner {
    padding: 0 12px;
    gap: 8px;
  }
  .topnav .brand {
    font-size: 15px;
  }
  /* 用户菜单：紧凑 */
  .topnav .nav-user-menu {
    font-size: 12px;
    gap: 6px;
  }
  .topnav .nav-user-menu #nav-logout-btn,
  .topnav .nav-user-menu #nav-login-link {
    padding: 8px 10px;
    min-height: 36px;
  }
  /* 用户名超出隐藏 */
  .topnav .nav-user-menu #nav-user-name {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* ============ 门户首页 ============ */
.portal-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.portal-hero {
  text-align: center;
  margin: 40px 0 56px;
}

.portal-hero h1 {
  font-size: 30px;
  margin: 0 0 8px;
  color: var(--portal-text);
  font-weight: 600;
}

.portal-sub {
  margin: 0;
  color: var(--portal-muted);
  font-size: 14px;
}

.portal-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1023px) and (min-width: 769px) {
  .portal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .portal-grid {
    grid-template-columns: 1fr;
  }
  /* 门户首页：紧凑 padding */
  .portal-main {
    padding: 24px 12px 40px;
  }
  .portal-hero {
    margin: 16px 0 32px;
  }
  .portal-hero h1 {
    font-size: 24px;
  }
  .portal-card {
    padding: 20px 16px;
    min-height: 0;
  }
  .portal-card-icon { font-size: 40px; }
  .portal-card-title { font-size: 18px; }
}

.portal-card {
  background: var(--portal-card-bg);
  border: 1px solid var(--portal-border);
  border-radius: 12px;
  padding: 28px 24px;
  min-height: 180px;
  box-shadow: var(--portal-shadow);
  text-decoration: none;
  color: var(--portal-text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  position: relative;
}

.portal-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--portal-shadow-hover);
  border-color: var(--brand-line, #A9EFA4);
}

.portal-card-icon {
  font-size: 48px;
  line-height: 1;
}

.portal-card-title {
  font-size: 20px;
  font-weight: 600;
  margin-top: 4px;
}

.portal-card-desc {
  font-size: 13px;
  color: var(--portal-muted);
  line-height: 1.5;
  flex: 1;
}

.portal-card-cta {
  align-self: flex-end;
  font-size: 13px;
  color: var(--portal-accent);
  font-weight: 500;
  margin-top: 12px;
}

.portal-foot {
  margin-top: 48px;
  text-align: center;
  font-size: 12px;
  color: var(--portal-muted);
}

.portal-foot .dot {
  margin: 0 8px;
  color: #d1d5db;
}

.portal-foot a {
  color: var(--portal-muted);
  text-decoration: underline;
}

/* v3.0.3 F5: a11y keyboard focus ring */
.topnav .nav-links a:focus-visible,
.topnav .nav-burger:focus-visible,
.portal-card:focus-visible {
  outline: 2px solid var(--portal-accent, var(--brand, #71DC68));
  outline-offset: 2px;
  border-radius: 6px;
}
/* v17.0 — 佐糖余额告警（顶部导航） */
.topnav .nav-links a.nav-picwish-alert {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s;
}
.topnav .nav-links a.nav-picwish-alert.nav-picwish-ok {
  background: #ecfdf5;
  color: #047857;
  border-color: #a7f3d0;
}
.topnav .nav-links a.nav-picwish-alert.nav-picwish-warn {
  background: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
  animation: navPicwishPulse 2s ease-in-out infinite;
}
.topnav .nav-links a.nav-picwish-alert.nav-picwish-danger {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fecaca;
  font-weight: 600;
  animation: navPicwishPulse 1.2s ease-in-out infinite;
}
.topnav .nav-links a.nav-picwish-alert:hover {
  filter: brightness(0.96);
  text-decoration: none;
}
.topnav .nav-links a.nav-picwish-alert .nav-picwish-icon { font-size: 12px; }
.topnav .nav-links a.nav-picwish-alert .nav-picwish-text { font-size: 12px; }
@keyframes navPicwishPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}
@media (max-width: 768px) {
  .topnav .nav-links a.nav-picwish-alert .nav-picwish-text { display: none; }
  .topnav .nav-links a.nav-picwish-alert { padding: 4px 8px; }
}

/* ============ 电商工具分类卡片 ============ */
.portal-ecommerce-section {
  max-width: 1280px;
  margin: 32px auto;
  padding: 0 20px;
}

.portal-section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--portal-text);
  margin: 0 0 16px 0;
}

.portal-ecommerce-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.portal-ecommerce-card {
  background: var(--portal-card-bg);
  border: 1px solid var(--portal-border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.portal-ecommerce-card:hover {
  box-shadow: var(--portal-shadow-hover);
  transform: translateY(-2px);
}

.portal-ecommerce-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.portal-ecommerce-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--portal-text);
  margin: 0 0 4px 0;
}

.portal-ecommerce-desc {
  font-size: 13px;
  color: var(--portal-muted);
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.portal-ecommerce-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--portal-accent);
}

.portal-ecommerce-more {
  text-align: center;
  margin-top: 16px;
}

.portal-ecommerce-link {
  display: inline-block;
  padding: 8px 20px;
  background: var(--portal-accent-bg);
  color: var(--portal-accent);
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.portal-ecommerce-link:hover {
  background: var(--portal-accent);
  color: #ffffff;
}

@media (max-width: 768px) {
  .portal-ecommerce-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }
  .portal-ecommerce-card {
    padding: 12px;
  }
  .portal-ecommerce-icon {
    font-size: 28px;
  }
  .portal-ecommerce-name {
    font-size: 14px;
  }
  .portal-ecommerce-desc {
    font-size: 12px;
  }
}