/**
 * WP AI Social Share - Frontend Modal & Bar Styles
 */

/* ==========================================================================
   1. 正文末尾 AI 分享条 (Share Bar)
   ========================================================================== */
.wp-ai-share-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 36px 0 24px 0;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(238, 242, 255, 0.7) 0%, rgba(245, 243, 255, 0.7) 100%);
  border: 1px solid rgba(199, 210, 254, 0.6);
  border-radius: 14px;
  box-shadow: 0 4px 16px -2px rgba(99, 102, 241, 0.08);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.wp-ai-share-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #6366F1 0%, #8B5CF6 100%);
}

.wp-ai-share-bar:hover {
  border-color: rgba(165, 180, 252, 0.9);
  box-shadow: 0 8px 24px -4px rgba(99, 102, 241, 0.14);
  transform: translateY(-1px);
}

.wp-ai-bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.wp-ai-bar-icon-badge {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.wp-ai-bar-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.wp-ai-bar-title {
  font-size: 15px;
  font-weight: 700;
  color: #1E1B4B;
  letter-spacing: -0.01em;
}

.wp-ai-bar-desc {
  font-size: 12.5px;
  color: #4F46E5;
  opacity: 0.85;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wp-ai-bar-right {
  flex-shrink: 0;
}

.wp-ai-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 9999px;
  background: #0F172A;
  color: #FFFFFF !important;
  font-size: 13.5px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none !important;
  white-space: nowrap;
}

.wp-ai-trigger-btn:hover {
  background: #000000;
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.35);
}

.wp-ai-btn-x-icon {
  flex-shrink: 0;
}

/* ==========================================================================
   2. 全局弹窗背景与卡片 (Modal Backdrop & Card)
   ========================================================================== */
.wp-ai-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.wp-ai-modal-backdrop.is-active {
  display: flex;
  opacity: 1;
}

.wp-ai-modal-card {
  width: 100%;
  max-width: 580px;
  background: #FFFFFF;
  border-radius: 18px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(15, 23, 42, 0.05);
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.wp-ai-modal-backdrop.is-active .wp-ai-modal-card {
  transform: scale(1) translateY(0);
}

/* 顶栏 */
.wp-ai-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: #F8FAFC;
  border-bottom: 1px solid #E2E8F0;
}

.wp-ai-modal-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.wp-ai-sparkle-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #EEF2FF 0%, #EDE9FE 100%);
  color: #6366F1;
  border: 1px solid rgba(199, 210, 254, 0.8);
  font-size: 11.5px;
  font-weight: 700;
  flex-shrink: 0;
}

.wp-ai-modal-article-title {
  font-size: 14px;
  font-weight: 700;
  color: #0F172A;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wp-ai-modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: #94A3B8;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.wp-ai-modal-close:hover {
  background: #E2E8F0;
  color: #0F172A;
}

/* 骨架屏 / 加载器 */
.wp-ai-modal-loading {
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.wp-ai-loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(99, 102, 241, 0.15);
  border-top-color: #6366F1;
  border-radius: 50%;
  animation: wpAiSpin 0.8s linear infinite;
}

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

.wp-ai-loading-text {
  font-size: 13.5px;
  color: #64748B;
  text-align: center;
  max-width: 380px;
  line-height: 1.5;
  margin: 0;
}

/* 弹窗主体 */
.wp-ai-modal-body {
  padding: 22px 24px 26px 24px;
}

/* 选项卡 (Tabs) */
.wp-ai-tabs-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.wp-ai-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  background: #F1F5F9;
  color: #475569;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.wp-ai-tab-btn:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.wp-ai-tab-btn.active {
  background: #EEF2FF;
  color: #4F46E5;
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(99, 102, 241, 0.1);
}

/* 编辑器容器 */
.wp-ai-editor-wrap {
  border: 1px solid #CBD5E1;
  border-radius: 12px;
  background: #FFFFFF;
  padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 20px;
}

.wp-ai-editor-wrap:focus-within {
  border-color: #6366F1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.wp-ai-editor-textarea {
  width: 100%;
  border: none;
  outline: none;
  resize: vertical;
  min-height: 110px;
  font-size: 14px;
  line-height: 1.65;
  color: #1E293B;
  font-family: inherit;
  padding: 0;
  box-shadow: none !important;
}

.wp-ai-editor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid #F1F5F9;
  font-size: 11.5px;
  color: #94A3B8;
}

.wp-ai-counter-wrap {
  display: flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
}

.wp-ai-char-count {
  color: #64748B;
}

.wp-ai-char-count.warning {
  color: #F59E0B;
}

.wp-ai-char-count.danger {
  color: #EF4444;
}

/* 社交卡片推文与特色大图预览 (Social Card Preview) */
.wp-ai-card-preview {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all 0.2s ease;
}

.wp-ai-card-preview:hover {
  border-color: #CBD5E1;
}

.wp-ai-preview-thumb-box {
  position: relative;
  width: 100%;
  height: 130px;
  overflow: hidden;
  background: #E2E8F0;
}

.wp-ai-preview-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.wp-ai-preview-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #FFFFFF;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.wp-ai-preview-info {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wp-ai-preview-domain {
  font-size: 11px;
  font-weight: 600;
  color: #94A3B8;
  text-transform: lowercase;
}

.wp-ai-preview-title {
  font-size: 13px;
  font-weight: 700;
  color: #1E293B;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 分享动作按钮组 */
.wp-ai-share-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.wp-ai-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}

/* Twitter/X 按钮 (主按钮) */
.wp-ai-btn-twitter {
  background: #000000;
  color: #FFFFFF;
  flex: 1;
  min-width: 150px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.wp-ai-btn-twitter:hover {
  background: #18181B;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Telegram 按钮 */
.wp-ai-btn-telegram {
  background: #E0F2FE;
  color: #0284C7;
}

.wp-ai-btn-telegram:hover {
  background: #BAE6FD;
  color: #0369A1;
  transform: translateY(-1px);
}

/* LinkedIn 按钮 */
.wp-ai-btn-linkedin {
  background: #EFF6FF;
  color: #1D4ED8;
}

.wp-ai-btn-linkedin:hover {
  background: #DBEAFE;
  color: #1E40AF;
  transform: translateY(-1px);
}

/* 复制文案按钮 */
.wp-ai-btn-copy {
  background: #F1F5F9;
  color: #475569;
  border: 1px solid #E2E8F0;
}

.wp-ai-btn-copy:hover {
  background: #E2E8F0;
  color: #0F172A;
  transform: translateY(-1px);
}

.wp-ai-btn-copy.copied {
  background: #DCFCE7;
  color: #15803D;
  border-color: #86EFAC;
}

/* ==========================================================================
   3. 移动端响应式 (Responsive Overrides)
   ========================================================================== */
@media (max-width: 768px) {
  .wp-ai-share-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    gap: 12px;
  }

  .wp-ai-bar-desc {
    white-space: normal;
  }

  .wp-ai-bar-right {
    width: 100%;
  }

  .wp-ai-trigger-btn {
    width: 100%;
    justify-content: center;
  }

  .wp-ai-modal-card {
    border-radius: 14px;
  }

  .wp-ai-modal-header {
    padding: 14px 18px;
  }

  .wp-ai-modal-body {
    padding: 16px 18px 20px 18px;
  }

  .wp-ai-share-actions {
    flex-direction: column;
    gap: 8px;
  }

  .wp-ai-action-btn {
    width: 100%;
  }
}

/* ==========================================================================
   4. 桌面端左侧吸附浮动轨 (Desktop Floating Rail - 屏幕 > 1280px)
   ========================================================================== */
.wp-ai-floating-rail {
  position: fixed;
  top: 220px;
  left: max(16px, calc(50vw - 690px));
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.wp-ai-rail-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: #FFFFFF;
  color: #334155;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

.wp-ai-rail-btn:hover {
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.18);
}

/* AI 专属高光按钮 */
.wp-ai-rail-ai {
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.45);
}

.wp-ai-rail-ai:hover {
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.65);
}

/* X / Twitter 按钮 */
.wp-ai-rail-twitter {
  background: #000000;
  color: #FFFFFF;
  border: none;
}

.wp-ai-rail-twitter:hover {
  background: #18181B;
}

/* Telegram 按钮 */
.wp-ai-rail-telegram {
  background: #0284C7;
  color: #FFFFFF;
  border: none;
}

.wp-ai-rail-telegram:hover {
  background: #0369A1;
}

/* 复制链接按钮 */
.wp-ai-rail-copy {
  background: #FFFFFF;
  color: #475569;
}

.wp-ai-rail-copy:hover {
  color: #6366F1;
  border-color: #A5B4FC;
}

/* 悬停 Tooltip 提示 */
.wp-ai-rail-tooltip {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: #0F172A;
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.wp-ai-rail-tooltip::before {
  content: '';
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-width: 4px;
  border-style: solid;
  border-color: transparent #0F172A transparent transparent;
}

.wp-ai-rail-btn:hover .wp-ai-rail-tooltip {
  opacity: 1;
}

/* 在屏幕宽度 <= 1280px 时隐藏左侧轨，由右下角 FAB 气泡无缝接管 */
@media (max-width: 1280px) {
  .wp-ai-floating-rail {
    display: none !important;
  }
}

/* ==========================================================================
   5. 悬浮气泡 (Floating Action Button - 屏幕 <= 1280px，笔记本/平板/手机全覆盖)
   ========================================================================== */
.wp-ai-floating-fab {
  display: none;
}

@media (max-width: 1280px) {
  .wp-ai-floating-fab {
    position: fixed;
    bottom: 84px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    color: #FFFFFF;
    border: none;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    cursor: pointer;
    outline: none;
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
    transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  }

  .wp-ai-floating-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 10px 28px rgba(99, 102, 241, 0.6);
  }

  .wp-ai-floating-fab:active {
    transform: scale(0.92);
  }

  .wp-ai-fab-glow {
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    opacity: 0.35;
    z-index: -1;
    animation: wpAiFabPulse 2.5s ease-out infinite;
  }

  @keyframes wpAiFabPulse {
    0% { transform: scale(1); opacity: 0.45; }
    50% { transform: scale(1.22); opacity: 0; }
    100% { transform: scale(1); opacity: 0; }
  }
}