/**
 * WPDevBase - Premium Components & Micro-Interactions
 * Version: 1.0.0
 * Pure CSS / 120Hz Easing Physics
 */

/* ==========================================================================
   1. 模态对话框全局遮罩层 (Backdrop with Blur & Fade)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(15, 23, 42, 0.45); /* 深色半透明遮罩 */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease-smooth), visibility 0.25s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   2. 精致对话框本体 (Dialog Box with Spring Scale Physics)
   ========================================================================== */
.modal-dialog {
  width: 100%;
  max-width: 580px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(99, 102, 241, 0.08);
  overflow: hidden;
  position: relative;
  /* 初始缩放缩小并轻微下沉 */
  transform: scale(0.95) translateY(12px);
  transition: transform 0.28s var(--ease-spring), opacity 0.2s var(--ease-smooth);
  opacity: 0;
}

.modal-overlay.active .modal-dialog {
  /* 弹出时弹性回弹放大至正常 */
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* 顶部环境渐变光条 */
.modal-dialog::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brand);
}

/* 对话框头部 */
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 关闭按钮 (触碰平滑旋转 + 背景微亮) */
.modal-close-btn {
  background: transparent;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: transform 0.2s var(--ease-spring), background-color var(--trans-fast), color var(--trans-fast);
}

.modal-close-btn:hover {
  background-color: var(--bg-elevated);
  color: var(--text-main);
  transform: rotate(90deg); /* 悬停顺滑旋转 90 度 */
}

/* 对话框主体内容 */
.modal-body {
  padding: 24px;
}

/* ==========================================================================
   3. 高质感表单输入框 (Inputs with Focus Glow Ring)
   ========================================================================== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-main);
  font-family: inherit;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
  outline: none;
}

.form-control:focus {
  border-color: #6366f1;
  /* 电光紫双层发光光晕 */
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
}

.form-control::placeholder {
  color: var(--text-dim);
}

/* 搜索框专用的大号搜索条 */
.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-large-input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  padding: 18px 24px;
  font-size: 17px;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
}

.search-large-input:focus {
  border-bottom-color: #6366f1;
}

/* 键盘提示快捷栏 */
.modal-footer-hint {
  padding: 12px 24px;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

.modal-footer-hint kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   4. 实时搜索结果列表 (Live Search Results)
   ========================================================================== */
.live-search-results-box {
  max-height: 380px;
  overflow-y: auto;
  padding: 8px;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--trans-fast);
  color: var(--text-main);
  border: 1px solid transparent;
}

/* 鼠标悬停及键盘上下键激活的高亮状态 */
.search-result-item:hover,
.search-result-item.is-selected {
  background-color: var(--bg-elevated);
  border-color: var(--border-subtle);
  transform: translateX(2px);
}

.search-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.search-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.search-badge-qa {
  background: #ede9fe;
  color: #6366f1;
}

.search-badge-article {
  background: #e0f2fe;
  color: #0284c7;
}

.search-item-title {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-item-meta {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
  margin-left: 12px;
}

/* ==========================================================================
   5. 认证弹窗双模式切换滑块 (Auth Tabs)
   ========================================================================== */
.auth-tab-switch {
  display: flex;
  background-color: var(--bg-elevated);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 22px;
  border: 1px solid var(--border-subtle);
}

.auth-tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.auth-tab-btn.active {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   6. Header 用户头像与下拉菜单 (Stateful User Dropdown)
   ========================================================================== */
.user-menu-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.user-avatar-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  padding: 3px 10px 3px 4px;
  cursor: pointer;
  transition: all var(--trans-fast);
  text-decoration: none;
}

.user-avatar-trigger:hover {
  border-color: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

.user-avatar-trigger img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.user-display-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  max-width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 200px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(99, 102, 241, 0.06);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--trans-fast);
  z-index: 1000;
}

.user-menu-wrap:hover .user-dropdown-menu,
.user-menu-wrap:focus-within .user-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  text-decoration: none;
  border-radius: 6px;
  transition: all var(--trans-fast);
}

.user-dropdown-item:hover {
  background-color: var(--bg-elevated);
  color: #6366f1;
}

.user-dropdown-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 4px 0;
}