/* ============================================
   全站统一顶部导航（<x-navbar> 组件）
   Harness 风格：暗色玻璃拟态 + 品牌紫渐变 + 圆角 pill
   高度固定 70px（api-subnav top / 内页 padding-top 依赖，勿改）
   ============================================ */

:root {
  --nav-bg-page: #0a0a0a;
  --nav-brand: #7c3aed;            /* 品牌主色（想换 harness 蓝改 #6799fe 即可） */
  --nav-brand-light: #a78bfa;
  --nav-brand-deep: #a855f7;
  --nav-brand-pink: #f0abfc;
  --nav-text: #ffffff;
  --nav-text-secondary: rgba(255,255,255,.82);
  --nav-text-description: rgba(255,255,255,.5);
  --nav-surface-1: rgba(255,255,255,.06);
  --nav-surface-raised: rgba(255,255,255,.25);
  --nav-border-default: rgba(255,255,255,.08);
  --nav-border-subtle: rgba(255,255,255,.14);
  --nav-border-strong: rgba(255,255,255,.24);
  --nav-bg-overlay: #1a1a1a;
  --nav-radius-pill: 100px;
  --nav-radius-card: 14px;
  --nav-radius-sm: 8px;
  --nav-font: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
              "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* —— 容器 —— */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 70px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--nav-border-default);
  font-family: var(--nav-font);
}

/* —— 品牌 Logo —— */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--nav-brand), var(--nav-brand-deep) 55%, var(--nav-brand-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.navbar-brand-mark svg {
  width: 18px; height: 18px;
}

.navbar-brand-text {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--nav-text);
}

/* 渐变描边徽标（harness ds-brand-badge 风格，单层 span 兼容） */
.navbar-brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px 3px;
  border-radius: 6px;
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.95);
  background:
    linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.35)) padding-box,
    linear-gradient(135deg, rgba(255,255,255,.75) 0%, rgba(255,255,255,.08) 35%,
      rgba(255,255,255,.04) 65%, rgba(255,255,255,.5) 100%) border-box;
  border: 1px solid transparent;
  box-shadow: 0 0 16px rgba(255,255,255,.08), 0 0 32px rgba(255,255,255,.04);
}

/* —— 导航链接 —— */
.navbar-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.navbar-link {
  position: relative;
  padding: 8px 14px;
  border-radius: var(--nav-radius-pill);
  text-decoration: none;
  color: var(--nav-text-description);
  font-weight: 500;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.navbar-link:hover {
  color: var(--nav-text);
}

.navbar-link.is-active {
  color: var(--nav-text);
  background: var(--nav-surface-raised);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* —— 右侧操作区 —— */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.navbar-btn {
  padding: 8px 18px;
  border-radius: var(--nav-radius-pill);
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  font-family: inherit;
  border: 1px solid transparent;
}

.navbar-btn-ghost {
  color: var(--nav-text-secondary);
  background: var(--nav-surface-1);
  border-color: var(--nav-border-subtle);
}

.navbar-btn-ghost:hover {
  color: var(--nav-text);
  border-color: var(--nav-border-strong);
  background: rgba(255, 255, 255, 0.12);
}

.navbar-btn-primary {
  color: var(--nav-brand);
  background: #fff;
  border-color: transparent;
}

.navbar-btn-primary:hover {
  background: rgba(255, 255, 255, 0.86);
}

/* —— 用户区 —— */
.navbar-user {
  position: relative;
}

.navbar-user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--nav-radius-pill);
  border: 1px solid var(--nav-border-subtle);
  background: var(--nav-surface-1);
  color: var(--nav-text);
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.navbar-user-btn:hover {
  border-color: rgba(167, 139, 250, 0.5);
  background: rgba(124, 58, 237, 0.14);
}

.navbar-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--nav-brand), var(--nav-brand-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.navbar-user-name {
  font-size: 13px;
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.navbar-chevron {
  width: 14px; height: 14px;
  color: var(--nav-text-description);
  transition: transform 0.2s ease;
}

.navbar-user-btn[aria-expanded="true"] .navbar-chevron {
  transform: rotate(180deg);
}

/* 用户下拉菜单 */
.navbar-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 224px;
  padding: 6px;
  border-radius: var(--nav-radius-card);
  background: rgba(26, 26, 26, 0.96);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--nav-border-default);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 1100;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.navbar-dropdown.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.navbar-dropdown-head {
  padding: 12px 14px;
  margin-bottom: 4px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(240, 171, 252, 0.08));
  border: 1px solid rgba(167, 139, 250, 0.22);
}

.navbar-dropdown-balance-label {
  font-size: 11px;
  color: var(--nav-text-description);
}

.navbar-dropdown-balance-value {
  font-size: 18px;
  font-weight: 800;
  color: var(--nav-text);
  margin-top: 2px;
}

.navbar-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--nav-text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  transition: background 0.15s ease, color 0.15s ease;
}

.navbar-dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--nav-text);
}

.navbar-dropdown-menu a.is-danger {
  color: #fca5a5;
}

.navbar-dropdown-menu a.is-danger:hover {
  background: rgba(252, 165, 165, 0.1);
}

.navbar-dropdown-divider {
  height: 1px;
  margin: 6px 8px;
  background: var(--nav-border-default);
}

/* —— 汉堡菜单 —— */
.navbar-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4.5px;
  width: 38px; height: 38px;
  padding: 9px;
  border-radius: var(--nav-radius-sm);
  border: 1px solid var(--nav-border-subtle);
  background: var(--nav-surface-1);
  cursor: pointer;
  flex-shrink: 0;
}

.navbar-burger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: all 0.2s ease;
}

.navbar-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* —— 响应式：中屏 —— */
@media (max-width: 960px) {
  .navbar-user-name { display: none; }
  .navbar-user-btn { padding-right: 8px; }
  .navbar-links { gap: 2px; }
  .navbar-link { padding: 8px 10px; }
}

/* —— 响应式：移动端 —— */
@media (max-width: 768px) {
  .navbar { padding: 0 14px; gap: 12px; }

  .navbar-links {
    display: none;
    position: fixed;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px;
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1px solid var(--nav-border-default);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
    z-index: 999;
  }

  .navbar-links.open { display: flex; }

  .navbar-link {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: 10px;
  }

  .navbar-burger { display: flex; }
  .navbar-actions { gap: 8px; }
  .navbar-btn { padding: 8px 14px; }
}

/* —— 响应式：小屏 —— */
@media (max-width: 420px) {
  .navbar-brand-text { font-size: 17px; }
  .navbar-btn-ghost { display: none; }
  .navbar-btn-primary { padding: 8px 12px; }
}