/* ==================== 导航标签组件 ==================== */
/* Linear 风格玻璃态标签页 */

/* ==================== 基础标签容器 ==================== */

.nav-tabs,
.tabs-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 2rem 0 2rem; /* 增加顶部内边距为徽章预留空间 */
  border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
  overflow-x: auto;
  overflow-y: visible; /* 改为 visible 让徽章可以超出显示 */
  scroll-behavior: smooth;
  position: relative;
}

.nav-tabs::-webkit-scrollbar,
.tabs-container::-webkit-scrollbar {
  height: 2px;
}

.nav-tabs::-webkit-scrollbar-track,
.tabs-container::-webkit-scrollbar-track {
  background: transparent;
}

.nav-tabs::-webkit-scrollbar-thumb,
.tabs-container::-webkit-scrollbar-thumb {
  background: rgba(120, 119, 198, 0.3);
  border-radius: 1px;
}

.nav-tabs::-webkit-scrollbar-thumb:hover,
.tabs-container::-webkit-scrollbar-thumb:hover {
  background: rgba(120, 119, 198, 0.5);
}

/* ==================== 标签按钮 ==================== */

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-secondary, #a3a3a3);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  white-space: nowrap;
  user-select: none;
  border-bottom: 2px solid transparent;
  overflow: visible; /* 确保徽章不会被裁剪 */
  flex-shrink: 0; /* 防止按钮被压缩 */
  width: auto; /* 自动宽度 */
}

.tab-btn::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--glow-purple, #7877c6), var(--glow-blue, #5b5a9e));
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 2px 2px 0 0;
}

.tab-btn:hover:not(.tab-btn-active):not(:disabled) {
  color: var(--text-primary, #ffffff);
  background: rgba(255, 255, 255, 0.03);
}

/* 激活状态 */
.tab-btn-active,
.tab-btn.active {
  color: #ffffff !important; /* 激活状态文本为白色 */
  font-weight: 600;
}

.tab-btn-active::before,
.tab-btn.active::before {
  transform: scaleX(1);
}

/* 禁用状态 */
.tab-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==================== 标签图标 ==================== */

.tab-btn__icon {
  display: inline-flex;
  align-items: center;
  font-size: 1rem;
}

/* ==================== 标签徽章 ==================== */
/* 徽章样式已移至 badge.css 统一管理 */

/* ==================== 标签样式变体 ==================== */

/* 卡片式标签 */
.tabs--card .tab-btn {
  border-radius: 0.5rem 0.5rem 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  margin-bottom: -1px;
}

.tabs--card .tab-btn-active,
.tabs--card .tab-btn.active {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-subtle, rgba(255, 255, 255, 0.05));
  border-bottom-color: transparent;
}

.tabs--card .tab-btn::before {
  display: none;
}

/* 按钮式标签 */
.tabs--button {
  gap: 0.75rem;
  padding: 0.75rem;
  border-bottom: none;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0.75rem;
}

.tabs--button .tab-btn {
  padding: 0.625rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
}

.tabs--button .tab-btn::before {
  display: none;
}

.tabs--button .tab-btn:hover:not(.tab-btn-active):not(:disabled) {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.tabs--button .tab-btn-active,
.tabs--button .tab-btn.active {
  background: linear-gradient(135deg, var(--glow-purple, #7877c6), var(--glow-blue, #5b5a9e));
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(120, 119, 198, 0.3);
  color: #ffffff !important; /* 激活状态文本为白色 */
}

/* 胶囊式标签 */
.tabs--pill {
  gap: 0.5rem;
  padding: 0.5rem;
  border-bottom: none;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 9999px;
}

.tabs--pill .tab-btn {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
}

.tabs--pill .tab-btn::before {
  display: none;
}

.tabs--pill .tab-btn-active,
.tabs--pill .tab-btn.active {
  background: linear-gradient(135deg, var(--glow-purple, #7877c6), var(--glow-blue, #5b5a9e));
  box-shadow: 0 4px 12px rgba(120, 119, 198, 0.3);
  color: #ffffff !important; /* 激活状态文本为白色 */
}

/* 分段控制器（iOS风格） */
.tabs--segmented {
  gap: 0;
  padding: 0.25rem;
  border-bottom: none;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0.75rem;
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
}

.tabs--segmented .tab-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  margin: 0;
}

.tabs--segmented .tab-btn::before {
  display: none;
}

.tabs--segmented .tab-btn-active,
.tabs--segmented .tab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* ==================== 垂直标签 ==================== */

.tabs--vertical {
  flex-direction: column;
  align-items: stretch;
  border-bottom: none;
  border-right: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
  padding: 1rem 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.tabs--vertical .tab-btn {
  justify-content: flex-start;
  padding: 0.75rem 1.5rem;
  border-bottom: none;
  border-right: 2px solid transparent;
}

.tabs--vertical .tab-btn::before {
  top: 0;
  bottom: 0;
  left: auto;
  right: -1px;
  width: 2px;
  height: auto;
  transform: scaleY(0);
  background: linear-gradient(180deg, var(--glow-purple, #7877c6), var(--glow-blue, #5b5a9e));
  border-radius: 0 2px 2px 0;
}

.tabs--vertical .tab-btn-active::before,
.tabs--vertical .tab-btn.active::before {
  transform: scaleY(1);
}

/* ==================== 尺寸变体 ==================== */

/* 小号标签 */
.tabs--sm .tab-btn {
  padding: 0.625rem 1rem;
  font-size: 0.813rem;
}

/* 大号标签 */
.tabs--lg .tab-btn {
  padding: 1.25rem 2rem;
  font-size: 1rem;
}

/* ==================== 标签内容面板 ==================== */

.tab-content {
  display: none;
  padding: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.tab-content--active,
.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 标签面板容器 ==================== */

.tabs-panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
  border-radius: 0.75rem;
}

.tabs-panel__header {
  border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
}

.tabs-panel__body {
  padding: 1.5rem;
}

/* ==================== 工具栏（标签页右侧） ==================== */

.tabs-toolbar {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.tabs-toolbar__btn {
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
  border-radius: 0.5rem;
  color: var(--text-secondary, #a3a3a3);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tabs-toolbar__btn:hover {
  background: rgba(120, 119, 198, 0.1);
  border-color: rgba(120, 119, 198, 0.2);
  color: var(--glow-purple, #7877c6);
}

/* ==================== 响应式变体 ==================== */

/* 响应式标签 - 自动适配设备尺寸 */
.tabs--responsive .tab-btn {
  /* 移动端：紧凑标签 */
  padding: 0.75rem 0.875rem;
  font-size: 0.813rem;
}

.tabs--responsive .tab-content {
  padding: 1rem;
}

.tabs--responsive .tabs-panel__body {
  padding: 1rem;
}

@media (min-width: 768px) {
  .tabs--responsive .tab-btn {
    /* 平板端：标准标签 */
    padding: 0.875rem 1.25rem;
    font-size: 0.875rem;
  }

  .tabs--responsive .tab-content {
    padding: 1.25rem;
  }

  .tabs--responsive .tabs-panel__body {
    padding: 1.25rem;
  }
}

@media (min-width: 1200px) {
  .tabs--responsive .tab-btn {
    /* 桌面端：宽松标签 */
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
  }

  .tabs--responsive .tab-content {
    padding: 1.5rem;
  }

  .tabs--responsive .tabs-panel__body {
    padding: 1.5rem;
  }
}

/* 响应式标签 - 移动端自动隐藏次要标签 */
@media (max-width: 767px) {
  .tabs--responsive .tab-btn.hide-mobile {
    display: none;
  }
}

/* 响应式标签 - 按钮式和胶囊式在移动端的适配 */
@media (max-width: 767px) {
  .tabs--responsive.tabs--button .tab-btn,
  .tabs--responsive.tabs--pill .tab-btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.813rem;
  }
}

/* ==================== 响应式（保留原有全局响应式） ==================== */

@media (max-width: 768px) {
  .nav-tabs,
  .tabs-container {
    padding: 0 1.5rem;
    gap: 0.25rem;
  }
  
  .tab-btn {
    padding: 0.875rem 1rem;
    font-size: 0.813rem;
  }
  
  .tabs--sm .tab-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .tabs--lg .tab-btn {
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
  }
  
  /* .tab-badge 样式已移至 badge.css */
  
  .tab-content {
    padding: 1rem;
  }
  
  .tabs-panel__body {
    padding: 1rem;
  }
  
  /* 移动端隐藏不重要的标签 */
  .tab-btn.hide-mobile {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-tabs,
  .tabs-container {
    padding: 0 1rem;
  }
  
  .tab-btn {
    padding: 0.75rem 0.75rem;
    font-size: 0.75rem;
  }
  
  /* 极小屏幕使用下拉菜单代替标签 */
  .tabs--dropdown-mobile {
    display: none;
  }
  
  .tabs-mobile-select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.05));
    border-radius: 0.5rem;
    color: var(--text-primary, #ffffff);
    font-size: 0.875rem;
  }
}

/* ==================== 可拖拽标签 ==================== */

.tab-btn--draggable {
  cursor: move;
}

.tab-btn--dragging {
  opacity: 0.5;
  pointer-events: none;
}

.tab-btn--drop-target {
  border-left: 2px solid var(--glow-purple, #7877c6);
}

/* ==================== 可关闭标签 ==================== */

.tab-btn--closable {
  padding-right: 0.75rem;
}

.tab-btn__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.5rem;
  border-radius: 0.25rem;
  background: transparent;
  color: var(--text-secondary, #a3a3a3);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn__close:hover {
  background: rgba(248, 113, 113, 0.2);
  color: var(--error, #f87171);
}

/* ==================== 加载状态 ==================== */

.tab-btn--loading {
  pointer-events: none;
  opacity: 0.6;
}

.tab-btn--loading::after {
  content: '';
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  margin-left: 0.5rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}