/* ==========================================================================
   ez-to-ai 官网设计系统 - Stitch 风格动态顶栏与状态导航 (Dynamic Island Header)
   Aligned with Google Stitch Header Design
   ========================================================================== */

.header-island-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: var(--z-header);
  padding: 20px 48px;
  pointer-events: none;
}

.dynamic-island-navbar {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
}

/* 品牌区 (Stitch BETA 标志风格) */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 4px 8px;
  transition: opacity var(--duration-fast) var(--transition-stitch);
}

.nav-brand:hover {
  opacity: 0.88;
}

.nav-brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  font-family: var(--font-family-base);
}

.nav-version-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e2e8f0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* 导航链接居中胶囊 (Liquid Glass Capsule) */
.nav-links-capsule {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: rgba(18, 20, 29, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-tertiary);
  transition: all var(--duration-fast) var(--transition-stitch);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 600;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.25);
}

/* 动态岛右侧控制组 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dynamic-island-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  font-size: 0.75rem;
  font-weight: 600;
  color: #6ee7b7;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.dynamic-island-status-pill:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.45);
}

.status-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.9; box-shadow: 0 0 6px #10b981; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 12px #34d399; }
}

/* 中英语言切换按钮 (Language Toggle Pill) */
.btn-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  cursor: pointer;
  transition: all var(--duration-fast) var(--transition-stitch);
}

.btn-lang-toggle:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-lang-toggle svg {
  color: var(--brand-cyan);
}

/* 登录按钮 */
.btn-stitch-try {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 22px;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  background: #ffffff;
  color: #000000;
  transition: all var(--duration-fast) var(--transition-stitch);
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

.btn-stitch-try:hover {
  transform: translateY(-1px) scale(1.03);
  background: #f1f5f9;
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.4);
}

/* 下拉抽屉卡片 */
.dynamic-island-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 280px;
  background: rgba(15, 17, 26, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  padding: 16px;
  backdrop-filter: blur(36px);
  -webkit-backdrop-filter: blur(36px);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.65);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transition: all var(--duration-normal) var(--transition-spring);
  pointer-events: none;
}

.dynamic-island-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.island-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.island-card-row:last-child {
  border-bottom: none;
}

.island-card-label {
  color: var(--text-tertiary);
}

.island-card-value {
  font-weight: 600;
  color: var(--text-primary);
}

.nav-mobile-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}