/* 阅读页侧栏 · 已读标记 + 点赞收藏分享 */

.sidebar-read-panel {
  margin-top: auto;
  padding: 12px 10px 14px;
  border-top: 1px solid rgba(13, 124, 150, 0.22);
  flex-shrink: 0;
}

.sidebar-read-complete-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 10px;
  border: 1px solid rgba(114, 221, 248, 0.35);
  border-radius: 8px;
  background: rgba(4, 24, 38, 0.35);
  color: var(--sidebar-accent, #72ddf8);
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.sidebar-read-complete-btn:hover {
  background: rgba(4, 24, 38, 0.55);
  border-color: rgba(114, 221, 248, 0.55);
  color: #fff;
}

.sidebar-read-complete-btn[aria-pressed="true"] {
  background: rgba(13, 124, 150, 0.45);
  border-color: rgba(114, 221, 248, 0.65);
  color: #f0f9ff;
}

.sidebar-read-complete-btn[aria-pressed="true"] .sidebar-read-complete-icon--outline {
  display: none;
}

.sidebar-read-complete-btn[aria-pressed="true"] .sidebar-read-complete-icon--filled {
  display: block;
}

.sidebar-read-complete-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-read-complete-icon--filled {
  display: none;
}

.sidebar-read-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(114, 221, 248, 0.18);
  color: #c8f0ff;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: middle;
}

.sidebar-read-badge[hidden] {
  display: none;
}

.sidebar-engagement.paper-engagement {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

/* 三键统一：半透明底 + 圆角（与「确认已读完」同一套侧栏语言） */
.sidebar-engagement.paper-engagement .community-action {
  border-radius: 8px;
  padding: 6px 4px;
  gap: 4px;
  background: rgba(4, 24, 38, 0.35);
  border: 1px solid rgba(114, 221, 248, 0.22);
  box-shadow: none;
  color: var(--sidebar-muted, #b4d4e8);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.sidebar-engagement.paper-engagement .community-action:hover:not(:disabled) {
  background: rgba(4, 24, 38, 0.55);
  border-color: rgba(114, 221, 248, 0.45);
  color: #fff;
  transform: none;
}

.sidebar-engagement.paper-engagement .community-action-icon-wrap {
  color: inherit;
}

.sidebar-engagement.paper-engagement .community-count {
  color: inherit;
  opacity: 0.92;
}

.sidebar-engagement .community-action-tip {
  background: #0f2230;
  color: #e8f4fa;
}

.sidebar-engagement .community-action-tip::after {
  border-top-color: #0f2230;
}

.sidebar-engagement .community-like[aria-pressed="true"] .community-action-icon--outline,
.sidebar-engagement .community-favorite[aria-pressed="true"] .community-action-icon--outline {
  display: none;
}

.sidebar-engagement .community-like[aria-pressed="true"] .community-action-icon--filled,
.sidebar-engagement .community-favorite[aria-pressed="true"] .community-action-icon--filled {
  display: block;
}

/* 已点赞 / 已收藏：浅色高对比底（分享无 toggle，保持上方默认样式） */
.sidebar-engagement.paper-engagement .community-like[aria-pressed="true"],
.sidebar-engagement.paper-engagement .community-favorite[aria-pressed="true"] {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.24);
}

.sidebar-engagement.paper-engagement .community-like[aria-pressed="true"] {
  color: #0a6680;
  background: linear-gradient(180deg, #ffffff 0%, #e8f6fb 100%);
  border-color: rgba(255, 255, 255, 0.9);
}

.sidebar-engagement.paper-engagement .community-like[aria-pressed="true"]:hover:not(:disabled) {
  color: #0a6680;
  background: linear-gradient(180deg, #ffffff 0%, #dff0f8 100%);
  border-color: rgba(255, 255, 255, 0.95);
}

.sidebar-engagement.paper-engagement .community-like[aria-pressed="true"] .community-action-icon-wrap,
.sidebar-engagement.paper-engagement .community-like[aria-pressed="true"] .community-count {
  color: #0d7c96;
  opacity: 1;
}

.sidebar-engagement.paper-engagement .community-favorite[aria-pressed="true"] {
  color: #b45309;
  background: linear-gradient(180deg, #fffbeb 0%, #fde68a 100%);
  border-color: rgba(254, 243, 199, 0.95);
}

.sidebar-engagement.paper-engagement .community-favorite[aria-pressed="true"]:hover:not(:disabled) {
  color: #b45309;
  background: linear-gradient(180deg, #fffbeb 0%, #fcd34d 100%);
  border-color: rgba(254, 243, 199, 1);
}

.sidebar-engagement.paper-engagement .community-favorite[aria-pressed="true"] .community-action-icon-wrap,
.sidebar-engagement.paper-engagement .community-favorite[aria-pressed="true"] .community-count {
  color: #d97706;
  opacity: 1;
}

.sidebar-reader-toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 4000;
  background: #0f2230;
  color: #e8f4fa;
  font-size: 0.82rem;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(15, 34, 48, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.sidebar-reader-toast.is-visible {
  opacity: 1;
}

/* 分享弹窗（阅读页精简，变量 fallback） */
.share-modal[hidden] {
  display: none;
}

.share-modal {
  position: fixed;
  inset: 0;
  z-index: 4500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.share-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 34, 48, 0.45);
  backdrop-filter: blur(4px);
}

.share-modal-panel {
  position: relative;
  width: min(100%, 440px);
  max-height: min(92vh, 640px);
  overflow: auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(14, 58, 92, 0.08);
  padding: 24px 24px 20px;
  border: 1px solid #e3eef5;
}

.share-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: #f1f6fa;
  color: #64748b;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.share-modal-close:hover {
  background: #e6f3f8;
  color: #0a5c72;
}

.share-modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 32px 6px 0;
}

.share-modal-hint {
  font-size: 0.78rem;
  color: #64748b;
  margin: 0 0 16px;
  line-height: 1.5;
}

.share-card-preview {
  background: linear-gradient(180deg, #f3f9fc 0%, #f1f6fa 100%);
  border: 1px solid #e3eef5;
  border-radius: 7px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

.share-card-kicker {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #0d7c96;
  margin: 0 0 8px;
}

.share-card-title {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.45;
  color: #1e293b;
  margin: 0 0 6px;
}

.share-card-title-en {
  font-size: 0.78rem;
  font-style: italic;
  color: #64748b;
  line-height: 1.45;
  margin: 0 0 10px;
}

.share-card-title-en[hidden] {
  display: none;
}

.share-card-desc {
  font-size: 0.82rem;
  line-height: 1.62;
  color: #475569;
  margin: 0 0 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.share-card-links {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed #e3eef5;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.share-card-link-row[hidden] {
  display: none;
}

.share-card-link-row dt {
  font-size: 0.68rem;
  font-weight: 700;
  color: #64748b;
  margin: 0 0 4px;
}

.share-card-link-row dd {
  margin: 0;
}

.share-card-link-url {
  font-size: 0.72rem;
  font-weight: 500;
  color: #0a6885;
  word-break: break-all;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid rgba(3, 105, 161, 0.2);
}

.share-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.share-action-btn {
  appearance: none;
  font-family: "Source Sans 3", sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid #d1e2ec;
  background: #fff;
  color: #475569;
  cursor: pointer;
}

.share-action-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, #0a6680 0%, #0d7c96 55%, #18a0bd 100%);
  border-color: transparent;
}

.share-qrcode-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.share-qrcode-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 12px 10px;
  border-radius: 7px;
  background: #fff;
  border: 1px solid #e3eef5;
}

.share-qrcode-wrap[hidden] {
  display: none;
}

.share-qrcode {
  width: 168px;
  height: 168px;
}

.share-qrcode-hint {
  margin: 0;
  font-size: 0.72rem;
  color: #64748b;
  text-align: center;
}

.share-toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(12px);
  z-index: 4600;
  background: #0f2230;
  color: #e8f4fa;
  font-size: 0.82rem;
  padding: 10px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}

.share-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 960px) {
  .sidebar-read-panel {
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  }
}