/* ═══════════ 书签系统 (bookmark.js) ═══════════ */

/* 书签按钮 */
.bk-bm-btn {
  background: none; border: none; font-size: 1.125em; cursor: pointer;
  padding: 6px 10px; border-radius: 6px; color: var(--text-muted, #9A958C);
  transition: color .2s, background .2s; -webkit-tap-highlight-color: transparent;
  line-height: 1; vertical-align: middle; flex: 0 0 auto;
}
.bk-bm-btn:active { background: var(--interactive-soft-bg, rgba(var(--brand-rgb, 61,138,90),.08)); }
.bk-bm-btn.bookmarked { color: var(--brand, #3D8A5A); }

/* Toast 通知 */
.bk-bm-toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--heading, #1A1918); color: #fff; padding: 10px 18px; border-radius: 22px;
  font-size: var(--text-sm); display: flex; align-items: center; gap: 12px;
  opacity: 0;
  transition: opacity .25s, transform .25s; z-index: 9200;
  white-space: nowrap; pointer-events: none;
}
.bk-bm-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.bk-bm-toast-undo {
  color: var(--brand, #3D8A5A); font-weight: 600; cursor: pointer;
  padding: 2px 6px; border-radius: 4px;
}
.bk-bm-toast-undo:active { opacity: .7; }

/* 书签列表对话框 */
.bk-bm-list-dialog {
  display: flex; flex-direction: column; max-height: 70vh;
  width: min(380px, calc(100vw - 32px)); background: var(--card-bg, #FFFFFF);
  border-radius: 16px; overflow: hidden;
}
.bk-bm-list-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border, #E5E2DD); flex-shrink: 0;
}
.bk-bm-list-title { font-size: var(--text-md); font-weight: 600; color: var(--heading, #1A1918); }
.bk-bm-list-close {
  background: none; border: none; font-size: 1.25em; color: var(--text-muted, #9A958C);
  cursor: pointer; padding: 4px 8px; border-radius: 6px; line-height: 1;
}
.bk-bm-list-close:active { background: var(--surface-alt, #EDEAE4); }
.bk-bm-list-body {
  flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 8px 12px;
}
.bk-bm-list-footer {
  border-top: 1px solid var(--border, #E5E2DD); padding: 10px 16px;
  text-align: center; flex-shrink: 0;
}
.bk-bm-clear-all {
  background: none; border: 1px solid var(--border, #E5E2DD); color: var(--danger-text, #c62828);
  font-size: var(--text-xs); padding: 6px 16px; border-radius: 6px; cursor: pointer;
}
.bk-bm-clear-all:active { background: var(--surface-alt, #EDEAE4); }

/* 书签项 */
.bk-bm-item {
  display: flex; align-items: center; padding: 12px 14px; gap: 8px; transition: background .15s; background: var(--card-bg, #fff); border: 1px solid var(--border, #E5E2DD); border-radius: var(--radius-lg, 16px); margin: 0 0 8px;
}
.bk-bm-item:active { background: var(--nav-hover, #ECEAE5); }
.bk-bm-item-main { flex: 1; min-width: 0; cursor: pointer; }
.bk-bm-item-title {
  font-size: var(--text-base); color: var(--text, #1A1918); line-height: 1.5;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.bk-bm-item-meta { font-size: var(--text-xs); color: var(--text-muted, #9A958C); margin-top: 2px; }
.bk-bm-item-del {
  background: none; border: none; color: var(--text-muted, #9A958C); font-size: var(--text-base);
  padding: 6px 8px; border-radius: 6px; cursor: pointer; flex-shrink: 0;
  opacity: .6; transition: opacity .15s, color .15s;
}
.bk-bm-item-del:active { opacity: 1; color: var(--danger-text, #c62828); }
.bk-bm-item-actions { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.bk-bm-item-note {
  background: none; border: none; color: var(--brand, #3D8A5A); font-size: 1.05em;
  padding: 6px 8px; border-radius: 6px; cursor: pointer; transition: background .15s, opacity .15s;
  opacity: .75;
}
.bk-bm-item-note:hover { background: var(--interactive-soft-bg, #EAF3EC); opacity: 1; }
.bk-bm-item-note:active { opacity: 1; transform: scale(.94); }
.bk-bm-item-edit {
  background: none; border: none; color: var(--text-muted, #9A958C); font-size: 1em;
  padding: 6px 8px; border-radius: 6px; cursor: pointer; transition: background .15s, opacity .15s;
  opacity: .6; flex-shrink: 0;
}
.bk-bm-item-edit:hover { background: var(--surface-alt, #EDEAE4); opacity: 1; }
.bk-bm-item-edit:active { opacity: 1; transform: scale(.94); }

/* 书签编辑面板（使用 bk-bm-note-* 前缀，与划线笔记 bk-hl-note-* 区分） */
.bk-bm-note-editor { width: min(440px, calc(100vw - 40px)); }
.bk-bm-note-title-input {
  width: 100%; box-sizing: border-box; font-family: inherit;
  font-size: var(--text-base); font-weight: 500; color: var(--text, #1A1918);
  background: var(--surface, #F5F4F1); border: 1px solid var(--border, #E5E2DD);
  border-radius: var(--radius-md, 12px); padding: 10px 14px; outline: none;
  margin-bottom: 4px; transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none; appearance: none;
}
.bk-bm-note-title-input:focus {
  border-color: var(--brand, #3D8A5A);
  box-shadow: 0 0 0 3px var(--interactive-soft-bg, #EAF3EC);
}
.bk-bm-note-quote {
  font-size: var(--text-sm); color: var(--text-soft, #5A564F); line-height: 1.6;
  background: var(--surface-alt, #EDEAE4); border-radius: var(--radius-sm, 8px); padding: 10px 12px; margin-bottom: 14px;
}
.bk-bm-note-textarea {
  width: 100%; min-height: 140px; resize: vertical; box-sizing: border-box;
  font-family: inherit; font-size: var(--text-base); line-height: 1.7; color: var(--text, #1A1918);
  background: var(--surface, #F5F4F1); border: 1px solid var(--border, #E5E2DD);
  border-radius: var(--radius-md, 12px); padding: 12px 14px; outline: none;
  transition: border-color .15s, box-shadow .15s; -webkit-font-smoothing: antialiased;
}
.bk-bm-note-textarea:focus {
  border-color: var(--brand, #3D8A5A);
  box-shadow: 0 0 0 3px var(--interactive-soft-bg, #EAF3EC);
}
.bk-btn-danger-ghost {
  background: none; border: 1px solid transparent; color: var(--danger-text, #c62828);
  font-weight: 500; padding: 8px 12px; border-radius: var(--radius-md, 12px); cursor: pointer;
  transition: background .15s;
}
.bk-btn-danger-ghost:hover { background: var(--danger-soft-bg, #FBEDE9); }
.bk-btn-danger-ghost:active { transform: scale(.98); }

/* 空状态 */
.bk-bm-empty { padding: 40px 20px; text-align: center; }
.bk-bm-empty-icon { font-size: 2.25em; margin-bottom: 12px; opacity: .5; }
.bk-bm-empty-text { font-size: var(--text-base); color: var(--text-muted, #9A958C); font-weight: 500; }
.bk-bm-empty-hint { font-size: var(--text-xs); color: var(--text-muted, #9A958C); margin-top: 6px; opacity: .7; }

/* 确认对话框（清空确认） */
.bk-bm-confirm-actions { display: flex; border-top: 1px solid var(--border, #E5E2DD); }
.bk-bm-confirm-cancel, .bk-bm-confirm-ok {
  flex: 1; padding: 13px; background: none; border: none; font-size: var(--text-base); cursor: pointer;
}
.bk-bm-confirm-cancel { color: var(--text-muted, #9A958C); border-right: 1px solid var(--border, #E5E2DD); }
.bk-bm-confirm-ok { color: var(--danger-text, #c62828); font-weight: 600; }
.bk-bm-confirm-cancel:active, .bk-bm-confirm-ok:active { background: var(--surface-alt, #EDEAE4); }