/* #225 书房共读阅读器 —— 跟 study / theme，不搬小屋主题 */

.coread-ov-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.coread-reply-hints {
  flex: 0 1 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 32%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 16px max(12px, env(safe-area-inset-bottom));
}

.coread-reply-hints[hidden] {
  display: none !important;
}

.coread-reply-hint {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  flex: 0 0 auto;
  width: 100%;
  margin: 0;
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--text) 10%, var(--bg));
  border-radius: 14px;
  background: color-mix(in srgb, var(--card-surface) 46%, var(--bg) 54%);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.coread-reply-hint:active {
  transform: scale(0.985);
}

.coread-reply-hint-book {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
}

.coread-reply-hint-sub {
  font-size: 12px;
  line-height: 1.35;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  max-width: 100%;
}

.coread-shelf-section + .coread-shelf-section {
  margin-top: 8px;
}

.coread-shelf-label {
  margin: 2px 2px 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

#ov-coread .mailbox-ov-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 8px;
}

/* 上传等仍复用此按钮样式 */
.coread-toolbar-btn {
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  background: color-mix(in srgb, var(--bg) 80%, var(--accent-light));
  color: var(--text);
  font: inherit;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.coread-toolbar-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* 书签：图同心情日记竖条燕尾，顺时针 90°，右缘贴死向内伸 */
.coread-bookmark-wrap {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0px) + 10px);
  right: 0;
  z-index: 12;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  pointer-events: none;
}

.coread-bookmark-wrap[hidden] {
  display: none !important;
}

.coread-bookmark,
.coread-bookmark-menu {
  pointer-events: auto;
}

.coread-bookmark {
  position: relative;
  display: block;
  width: 72px;
  height: 36px;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  line-height: 0;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease;
  overflow: visible;
}

.coread-bookmark:active,
.coread-bookmark[aria-expanded="true"] {
  transform: translateX(2px);
}

.coread-bookmark-ribbon {
  position: absolute;
  right: 0;
  top: 50%;
  display: block;
  width: 18px;
  height: 68px;
  margin-top: -34px;
  background: #c4b49a;
  /* 与首页 .mood-felt-bookmark 同一燕尾；原点钉在右缘再旋转 */
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 78%, 0 100%);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--text) 10%, transparent);
  transform: rotate(90deg);
  transform-origin: right center;
  transition: background 0.15s ease;
}

.coread-bookmark:active .coread-bookmark-ribbon,
.coread-bookmark[aria-expanded="true"] .coread-bookmark-ribbon {
  background: #a89078;
}

.coread-bookmark-menu {
  margin: 0 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  border-radius: 12px;
  background: #f6efe2;
  border: 1px solid #e4d7c2;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--text) 14%, transparent);
}

.coread-bookmark-menu[hidden] {
  display: none !important;
}

.coread-bookmark-menu button {
  border: none;
  background: transparent;
  color: #3d3428;
  font: inherit;
  font-size: 13px;
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}

.coread-bookmark-menu button:active {
  background: rgba(196, 165, 116, 0.28);
}

.coread-lib {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 24px;
}

.coread-reader {
  flex: 1;
  min-height: 0;
  overflow: visible;
  padding-bottom: 24px;
  background: transparent;
}

#ov-coread.is-reading {
  background-color: #f4efe4;
  background-image: url('/assets/images/coread-page.jpg');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}

#ov-coread.is-reading .coread-ov-body,
#ov-coread.is-reading .coread-reader {
  background: transparent;
}

.coread-top-actions {
  position: absolute;
  right: 12px;
  top: max(14px, env(safe-area-inset-top));
  height: 48px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 6;
}

.coread-top-actions[hidden] {
  display: none !important;
}

/* 对齐 Moments 右上角圆形触发器（浅底适配书房） */
.coread-top-icon-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text) 8%, transparent);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s;
}

.coread-top-icon-btn:active {
  background: color-mix(in srgb, var(--text) 14%, transparent);
}

.coread-top-icon-btn.is-on {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
}

.coread-top-icon-btn .coread-icon-done[hidden],
.coread-top-icon-btn .coread-icon-manage[hidden] {
  display: none !important;
}

.coread-shelf {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 12px;
  padding: 8px 4px 28px;
}

.coread-shelf-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

.coread-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  width: 100%;
  border-radius: 10px;
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 35%, transparent) inset,
    0 8px 18px color-mix(in srgb, var(--text) 12%, transparent);
  overflow: hidden;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}

.coread-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 15%, color-mix(in srgb, #fff 28%, transparent), transparent 42%),
    radial-gradient(circle at 80% 90%, color-mix(in srgb, var(--text) 10%, transparent), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.coread-cover.tone-0 { background: linear-gradient(165deg, #d5dfcc 0%, #9aaf94 48%, #7d9478 100%); }
.coread-cover.tone-1 { background: linear-gradient(165deg, #e2d5c4 0%, #b79a7c 48%, #94785c 100%); }
.coread-cover.tone-2 { background: linear-gradient(165deg, #d2dae4 0%, #8fa3b8 48%, #6d8298 100%); }
.coread-cover.tone-3 { background: linear-gradient(165deg, #e4d0d4 0%, #b88896 48%, #946474 100%); }
.coread-cover.tone-4 { background: linear-gradient(165deg, #d4ddd6 0%, #7f9a8a 48%, #5f7a6c 100%); }
.coread-cover.tone-5 { background: linear-gradient(165deg, #ddd8ca 0%, #a89f82 48%, #857a62 100%); }

.coread-cover.has-img::before {
  display: none;
}

.coread-cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.coread-cover-face {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 12px 16px;
  gap: 10px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.coread-cover-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.35;
  color: color-mix(in srgb, #fff 92%, transparent);
  text-shadow: 0 1px 2px color-mix(in srgb, var(--text) 28%, transparent);
  max-height: 78%;
  overflow: hidden;
}

.coread-cover-sub {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, #fff 72%, transparent);
  opacity: 0.9;
  max-height: 40%;
  overflow: hidden;
}

.coread-cover-badge {
  position: absolute;
  top: 7px;
  right: 7px;
  z-index: 3;
  min-width: 22px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  background: color-mix(in srgb, #fff 82%, transparent);
  color: color-mix(in srgb, var(--text) 78%, transparent);
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.coread-cover-del {
  display: none;
  position: absolute;
  top: 6px;
  left: 6px;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text) 55%, transparent);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  z-index: 4;
}

.coread-shelf.is-managing .coread-cover-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.coread-shelf-title {
  font-size: 12px;
  line-height: 1.35;
  color: var(--text);
  opacity: 0.82;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.coread-upload-row {
  display: flex;
  justify-content: center;
  margin: 18px 0 8px;
}

.coread-lib-item {
  display: none;
}

.coread-chapter-bar {
  font-size: 13px;
  opacity: 0.7;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.coread-chapter-bar button {
  border: none;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  padding: 0;
}

.coread-page {
  position: relative;
  font-size: 16px;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  user-select: text;
  -webkit-user-select: text;
}

.coread-page p {
  margin: 0 0 1em;
}

.coread-sel-bar {
  position: fixed;
  z-index: 220; /* 必须高于 .mailbox-overlay(200)，否则在阅读器下面闪 */
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--text) 25%, transparent);
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
}

/* 触控：沉底，躲开 iOS 拷贝/查询/翻译浮层 */
.coread-sel-bar.dock-bottom {
  left: 50% !important;
  right: auto;
  top: auto !important;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
}

.coread-sel-bar.open { display: flex; }

.coread-sel-bar button {
  border: none;
  background: transparent;
  color: var(--bg);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  cursor: pointer;
  white-space: nowrap;
}

.coread-page .coread-mark {
  background: #ead9a8;
  border-radius: 2px;
  padding: 0 1px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  cursor: pointer;
  color: inherit;
}

.coread-page .coread-mark:hover {
  background: #e2cc8e;
}

.coread-anno-list {
  margin-top: 28px;
  border-top: 1px solid #d7cbb6;
  padding-top: 16px;
  color: #3d3428;
}

.coread-anno-list .coread-lib-meta {
  color: #6b5e4e;
  opacity: 1;
}

.coread-anno-item {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 4px;
  background: #f6efe2;
  border: 1px solid #e4d7c2;
  box-shadow: 0 1px 0 rgba(90, 70, 40, 0.04);
  color: #3d3428;
  transition: box-shadow 0.35s ease, outline-color 0.35s ease;
  outline: 2px solid transparent;
}

.coread-anno-item.flash {
  outline-color: #c4a574;
  box-shadow: 0 0 0 4px rgba(196, 165, 116, 0.22);
}

.coread-anno-who {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #7a6854;
  opacity: 1;
  margin-bottom: 4px;
}

.coread-anno-anchor {
  font-size: 13px;
  color: #6b5e4e;
  opacity: 1;
  font-style: italic;
  margin-bottom: 6px;
}

.coread-anno-note {
  font-size: 14px;
  line-height: 1.55;
  color: #3d3428;
}

.coread-anno-reply {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 3px;
  background: #efe4d0;
  border: none;
  font-size: 14px;
  line-height: 1.55;
  color: #3d3428;
}

.coread-anno-reply .coread-anno-who {
  color: #5c4a38;
  opacity: 1;
}

.coread-anno-reply.from-user {
  background: #f3eadc;
}

.coread-anno-reply.from-user .coread-anno-who {
  color: #7a6854;
  opacity: 1;
}

.coread-anno-reply .coread-anno-meta {
  margin-top: 6px;
  color: #8a7a66;
  opacity: 1;
}

.coread-anno-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
  min-height: 28px;
}

.coread-anno-meta {
  font-size: 11px;
  color: #8a7a66;
  opacity: 1;
  line-height: 1;
}

.coread-anno-continue {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: auto;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: #6b5344;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.coread-anno-continue:active {
  transform: scale(0.94);
  background: rgba(107, 83, 68, 0.1);
}

.coread-anno-continue .coread-pen-icon {
  display: block;
}

.coread-note-sheet {
  position: fixed;
  inset: 0;
  z-index: 230;
  display: none;
  align-items: flex-end;
  justify-content: center;
  background: rgba(61, 52, 40, 0.28);
}

.coread-note-sheet.open { display: flex; }

.coread-note-card {
  width: min(100%, 440px);
  background: #f6efe2;
  color: #3d3428;
  border: 1px solid #e4d7c2;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 18px 16px calc(18px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -8px 24px rgba(61, 52, 40, 0.08);
}

.coread-note-card .coread-anno-anchor {
  color: #6b5e4e;
}

.coread-note-card textarea {
  width: 100%;
  min-height: 88px;
  border: 1px solid #d7cbb6;
  border-radius: 4px;
  background: #fbf6ec;
  color: #3d3428;
  font: inherit;
  font-size: 15px;
  padding: 10px;
  resize: vertical;
  box-sizing: border-box;
}

.coread-note-card textarea::placeholder {
  color: #a09080;
}

.coread-note-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.coread-note-actions button {
  flex: 1;
  border: none;
  border-radius: 4px;
  font: inherit;
  font-size: 14px;
  padding: 10px;
  cursor: pointer;
}

.coread-note-cancel {
  background: #efe4d0;
  color: #5c4a38;
}

.coread-note-save {
  background: #6b5344;
  color: #f6efe2;
}

.coread-toc {
  display: none;
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f6efe2;
  border: 1px solid #e4d7c2;
  max-height: 40vh;
  overflow-y: auto;
}

.coread-toc.open { display: block; }

.coread-toc button {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: #3d3428;
  font: inherit;
  font-size: 14px;
  padding: 8px 4px;
  cursor: pointer;
  border-bottom: 1px solid #e4d7c2;
}

.coread-toc button:last-child { border-bottom: none; }

.coread-toc button.current {
  color: #6b5344;
  font-weight: 600;
}