/* 三个页面（时间线 / 价格 / 智能体）共用的顶栏与主题切换样式 */

.top-nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 16px;
  font-family: 'Outfit', sans-serif;
}

.nav-logo {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--border-color);
}

.nav-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--accent-alpha);
  border: 1px solid var(--border-color);
  color: var(--accent-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.nav-link-btn:hover {
  color: var(--text-primary);
  border-color: var(--card-hover-border);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-link-btn.active {
  color: var(--accent-primary);
  border-color: var(--card-hover-border);
  background: var(--accent-alpha);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

[data-theme="light"] .icon-moon,
[data-theme="dark"] .icon-sun {
  display: block;
}

[data-theme="light"] .icon-sun,
[data-theme="dark"] .icon-moon {
  display: none;
}

/* 窄屏顶栏：只留图标 */
@media (max-width: 600px) {
  .nav-link-btn { white-space: nowrap; padding: 8px 9px; }
  .nav-link-btn span { display: none; }
}