/* =========================================================
   山河卷 (Worldbook) — 画轨色卡版
   12 色封面 / 灰墙白桌 / 横滑卡片 / 灵动岛 + 安全区补偿
   ========================================================= */

/* === 1. 色卡变量 === */
#worldbook {
    --wb-wall: #F7F6F3;
    --wb-desk: #FFFFFF;
    --wb-desk-border: #E8E6E1;
    --wb-ink: #2C2B2A;
    --wb-ink-sub: #9E9C98;
    --wb-paper: #FFFFFF;

    --c-cover-1: #E6E2D6; --c-cover-2: #CAD0CE; --c-cover-3: #E1D6D7;
    --c-cover-4: #CED4DA; --c-cover-5: #E2DFD8; --c-cover-6: #D5D3CF;
    --c-cover-7: #C8D1C5; --c-cover-8: #D6D0DB; --c-cover-9: #E3D9C6;
    --c-cover-10: #DCCEC8; --c-cover-11: #C5CDD3; --c-cover-12: #D0D4C5;

    /* 兼容遗留引用 */
    --wb-gold: var(--wb-ink-sub);
    --wb-gold-light: rgba(158,156,152,0.35);
    --wb-rouge: #FF3B30;
    --wb-text-main: var(--wb-ink);
    --wb-text-sub: var(--wb-ink-sub);
    --wb-card-solid: var(--wb-paper);
    --wb-bg-main: var(--wb-wall);
    --wb-bg-sub: var(--wb-wall);
    --wb-drawer-bg: var(--wb-paper);
    --wb-shadow: 0 12px 24px -6px rgba(0,0,0,0.12);
    --wb-shadow-drawer: 0 -20px 40px rgba(0,0,0,0.06), 0 -1px 0 rgba(0,0,0,0.03);
}

/* === 2. 容器 + 背景网格 === */
#worldbook {
    position: absolute;
    inset: 0;
    overflow: hidden;
    background: var(--wb-wall);
    color: var(--wb-ink);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    display: flex;
    flex-direction: column;
}

#worldbook::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: 0;
    pointer-events: none;
    mix-blend-mode: normal;
}

/* === 3. 灰墙光晕 === */
#worldbook .wb-ambient-glow {
    position: absolute;
    top: -10%;
    left: -20%;
    right: -20%;
    height: 80%;
    background: radial-gradient(ellipse at top, rgba(255,255,255,0.8) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

/* === 4. ARCHIVES 大水印 === */
#worldbook .wb-watermark-group {
    position: absolute;
    top: calc(env(safe-area-inset-top, 0px) + 12%);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 100%;
    z-index: 0;
    pointer-events: none;
}
#worldbook .wb-wm-title {
    font-family: "SF Pro Display", -apple-system, sans-serif;
    font-size: 42px;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: var(--wb-ink-sub);
    opacity: 0.08;
    margin-left: 0.15em;
}
#worldbook .wb-wm-sub {
    font-family: "SF Pro Text", monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--wb-ink-sub);
    opacity: 0.25;
    margin-left: 0.25em;
}

/* === 5. 下半墙 + 画轨 === */
#worldbook .wb-lower-wall {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 50%;
    margin-top: 105px;
    background: var(--wb-desk);
    z-index: 1;
}
#worldbook .wb-book-ledge {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    margin-top: 105px;
    height: 8px;
    background: linear-gradient(to bottom, var(--wb-paper), var(--wb-desk-border));
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 6px 12px -2px rgba(0,0,0,0.06);
    z-index: 2;
}

/* === 6. 桌面排版字 === */
#worldbook .wb-desk-typo-left {
    position: absolute;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 32px);
    left: 32px;
    font-family: "SF Pro Text", monospace;
    font-size: 9px;
    line-height: 2.2;
    font-weight: 700;
    color: var(--wb-ink-sub);
    opacity: 0.4;
    letter-spacing: 0.1em;
    border-left: 1px solid var(--wb-desk-border);
    padding-left: 16px;
    z-index: 5;
    pointer-events: none;
}
#worldbook .wb-desk-typo-right {
    position: absolute;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 32px);
    right: 32px;
    text-align: right;
    color: var(--wb-ink-sub);
    opacity: 0.4;
    z-index: 5;
    pointer-events: none;
}
#worldbook .wb-desk-barcode {
    font-family: monospace;
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
#worldbook .wb-desk-typo-right > div:last-child {
    font-family: "SF Pro Text", monospace;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.15em;
}

/* === 7. 旧装饰层全部隐藏 === */
#worldbook .wb-bg-flow,
#worldbook .wb-floral-art,
#worldbook .wb-seal-bg { display: none !important; }

/* === 8. 顶栏 === */
#worldbook .wb-top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(env(safe-area-inset-top, 0px) + 20px) 24px 16px;
    z-index: 50;
    flex-shrink: 0;
}
#worldbook .wb-app-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--wb-ink);
    letter-spacing: 0.05em;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
    text-shadow: none;
}
#worldbook .wb-app-title::after { display: none; }

#worldbook .wb-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    z-index: 60;
}
#worldbook .wb-icon-btn {
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    font-size: 20px;
    color: var(--wb-ink);
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
#worldbook .wb-icon-btn:hover {
    background: transparent;
    box-shadow: none;
    color: var(--wb-ink);
}
#worldbook .wb-icon-btn:active {
    transform: scale(0.85);
    opacity: 0.6;
}

/* === 9. 横滑卡片区 === */
#worldbook #wb-hanging-area,
#worldbook .wb-hanging-area {
    position: absolute !important;
    inset: 0;
    top: 0 !important;
    left: 0 !important;
    width: 100%;
    height: auto;
    flex: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    padding: 0 32px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    z-index: 10;
    /* iOS 横滑顺滑：禁用纵向手势穿透 */
    overscroll-behavior-x: contain;
    touch-action: pan-x;
}
#worldbook #wb-hanging-area::-webkit-scrollbar,
#worldbook .wb-hanging-area::-webkit-scrollbar { display: none; }

/* === 10. 卡片本体（145×210 色卡） === */
#worldbook .wb-hanger {
    position: relative !important;
    flex-shrink: 0;
    flex-grow: 0;
    width: 145px;
    max-width: none;
    height: 210px;
    border-radius: 8px;
    background-color: var(--wb-paper);
    box-shadow: 0 12px 24px -6px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.02);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    padding: 0;
    margin: 0;
    animation: none !important;
    filter: none;
    left: auto !important;
    top: auto !important;
}
#worldbook .wb-hanger:active { transform: scale(0.96); }

/* 色块 */
#worldbook .wb-shell-body {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 70px;
    border-radius: 4px;
    background-color: var(--c-cover-1);
    display: block !important;
}
#worldbook .wb-hanger:nth-child(12n+1) .wb-shell-body { background-color: var(--c-cover-1); }
#worldbook .wb-hanger:nth-child(12n+2) .wb-shell-body { background-color: var(--c-cover-2); }
#worldbook .wb-hanger:nth-child(12n+3) .wb-shell-body { background-color: var(--c-cover-3); }
#worldbook .wb-hanger:nth-child(12n+4) .wb-shell-body { background-color: var(--c-cover-4); }
#worldbook .wb-hanger:nth-child(12n+5) .wb-shell-body { background-color: var(--c-cover-5); }
#worldbook .wb-hanger:nth-child(12n+6) .wb-shell-body { background-color: var(--c-cover-6); }
#worldbook .wb-hanger:nth-child(12n+7) .wb-shell-body { background-color: var(--c-cover-7); }
#worldbook .wb-hanger:nth-child(12n+8) .wb-shell-body { background-color: var(--c-cover-8); }
#worldbook .wb-hanger:nth-child(12n+9) .wb-shell-body { background-color: var(--c-cover-9); }
#worldbook .wb-hanger:nth-child(12n+10) .wb-shell-body { background-color: var(--c-cover-10); }
#worldbook .wb-hanger:nth-child(12n+11) .wb-shell-body { background-color: var(--c-cover-11); }
#worldbook .wb-hanger:nth-child(12n+0) .wb-shell-body { background-color: var(--c-cover-12); }

/* 标签卡 */
#worldbook .wb-tag-card {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    display: flex !important;
    flex-direction: column;
    z-index: 3;
    border-top: 1px solid var(--wb-desk-border);
    padding-top: 8px;
}
#worldbook .wb-tag-card::before {
    content: 'FOLDER';
    font-family: "SF Pro Text", monospace;
    font-size: 8px;
    font-weight: 800;
    color: var(--wb-ink-sub);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}
#worldbook .wb-tag-text {
    font-size: 14px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--wb-ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
    text-overflow: ellipsis;
}

/* === 11. 旧立轴 DOM 残留隐藏 === */
#worldbook .wb-scroll-string,
#worldbook .wb-scroll-top-rod,
#worldbook .wb-scroll-mounting,
#worldbook .wb-scroll-core,
#worldbook .wb-core-title,
#worldbook .wb-core-meta,
#worldbook .wb-seal-stamp,
#worldbook .wb-meta-text,
#worldbook .wb-scroll-bottom-roller,
#worldbook .wb-shell-ridges,
#worldbook .wb-center-pearl,
#worldbook .wb-pearl-chain,
#worldbook .wb-pearl-top,
#worldbook .wb-pearl-bottom { display: none !important; }

/* === 12. 管理模式 === */
@keyframes wb-shake {
    0%, 100% { transform: rotate(-1deg); }
    50% { transform: rotate(1deg); }
}
#worldbook.wb-managing-folders .wb-hanger {
    animation: wb-shake 1.5s infinite ease-in-out !important;
}
#worldbook .wb-delete-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #E25C5C;
    color: #fff;
    border: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    z-index: 10;
    opacity: 0;
    transform: scale(0.5);
    transition: 0.3s;
    pointer-events: none;
    cursor: pointer;
}
#worldbook.wb-managing-folders .wb-delete-badge {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    display: flex;
}

/* === 13. 空状态 === */
#worldbook .wb-empty-state {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--wb-ink-sub);
    z-index: 5;
}
#worldbook .wb-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
    color: var(--wb-ink-sub);
}
#worldbook .wb-empty-title {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--wb-ink);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}
#worldbook .wb-empty-subtitle {
    font-size: 12px;
    color: var(--wb-ink-sub);
    line-height: 1.6;
}

/* === 14. 列表抽屉 === */
#worldbook .wb-list-layer,
#worldbook #wb-listLayer {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 15%;
    width: 100%;
    height: auto;
    background: var(--wb-paper);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-top: none;
    border-radius: 24px 24px 0 0;
    box-shadow: var(--wb-shadow-drawer);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
#worldbook .wb-list-layer.wb-open,
#worldbook #wb-listLayer.wb-open { transform: translateY(0); }

#worldbook .wb-list-layer::before,
#worldbook #wb-listLayer::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--wb-desk-border);
    opacity: 1;
    z-index: 10;
}

#worldbook .wb-list-header {
    padding: 24px 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--wb-desk-border);
}
#worldbook .wb-list-header > i.ri-arrow-down-s-line {
    font-size: 24px;
    color: var(--wb-ink) !important;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#worldbook .wb-list-title,
#worldbook #wb-listTitle {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--wb-ink);
    letter-spacing: 0;
}
#worldbook .wb-list-tools {
    display: flex;
    gap: 16px;
    align-items: center;
}
#worldbook .wb-tool-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--wb-ink-sub);
    cursor: pointer;
}
#worldbook .wb-tool-icon {
    font-size: 18px;
    color: var(--wb-ink-sub);
    cursor: pointer;
}

/* === 15. 搜索栏 === */
#worldbook .wb-search-bar {
    margin: 0;
    padding: 12px 24px;
    border-radius: 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--wb-desk-border);
    display: flex;
    align-items: center;
    gap: 12px;
}
#worldbook .wb-search-bar i {
    font-size: 16px;
    color: var(--wb-ink-sub);
}
#worldbook .wb-search-bar input,
#worldbook #wb-search-input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    color: var(--wb-ink);
    font-size: 15px;
    font-family: inherit;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
}
#worldbook .wb-search-bar input:focus {
    background: transparent;
    box-shadow: none;
}
#worldbook .wb-search-bar input::placeholder {
    color: var(--wb-ink-sub);
    opacity: 0.5;
}

/* === 16. 列表 / 条目 === */
#worldbook .wb-list-body {
    flex: 1;
    overflow-y: auto;
    padding: 0 0 120px;
    display: block;
}
#worldbook .wb-entry-item {
    padding: 18px 24px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--wb-desk-border);
    border-radius: 0;
    margin-bottom: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: 0;
    cursor: pointer;
    transition: 0.2s;
}
#worldbook .wb-entry-item:hover {
    background: transparent;
    transform: none;
    box-shadow: none;
}
#worldbook .wb-entry-item:active { background: rgba(0,0,0,0.02); opacity: 1; }
#worldbook .wb-entry-item.wb-disabled { opacity: 0.4; }
#worldbook .wb-entry-item.wb-disabled .wb-entry-name {
    text-decoration: line-through;
    color: var(--wb-ink);
}

#worldbook .wb-check-box {
    width: 0;
    overflow: hidden;
    opacity: 0;
    transition: 0.3s;
    display: flex;
    align-items: center;
}
#worldbook .wb-list-layer.wb-managing .wb-check-box,
#worldbook #wb-listLayer.wb-managing .wb-check-box,
#worldbook.wb-managing .wb-check-box {
    width: 36px;
    opacity: 1;
    margin-right: 0;
}
#worldbook .wb-circle-check {
    width: 22px;
    height: 22px;
    border: 1px solid var(--wb-ink-sub);
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    transition: 0.2s;
}
#worldbook .wb-circle-check.wb-checked {
    background: var(--wb-ink);
    border-color: var(--wb-ink);
    color: var(--wb-paper);
}
#worldbook .wb-circle-check.wb-checked::after {
    content: '\EB7A';
    font-family: 'remixicon';
    color: var(--wb-paper);
    font-size: 14px;
}

#worldbook .wb-entry-info {
    flex: 1;
    min-width: 0;
    padding-right: 16px;
}
#worldbook .wb-entry-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--wb-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}
#worldbook .wb-entry-meta {
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--wb-ink-sub);
}

#worldbook .wb-tag {
    padding: 2px 6px;
    background: var(--wb-wall);
    border: none;
    color: var(--wb-ink-sub);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

#worldbook .wb-entry-toggle {
    width: 40px;
    height: 22px;
    background: var(--wb-desk-border);
    border: none;
    border-radius: 4px;
    position: relative;
    transition: 0.3s;
    flex-shrink: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    cursor: pointer;
}
#worldbook .wb-entry-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--wb-paper);
    border-radius: 2px;
    transition: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transform: none;
}
#worldbook .wb-entry-toggle.wb-enabled {
    background: var(--wb-ink);
    border-color: var(--wb-ink);
}
#worldbook .wb-entry-toggle.wb-enabled::after {
    left: 20px;
    transform: none;
    background: var(--wb-paper);
}

/* === 17. 底部苹果原生 Toolbar === */
#worldbook .wb-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px calc(env(safe-area-inset-bottom, 0px) + 16px);
    background: linear-gradient(to top, var(--wb-paper) 70%, transparent);
    border-top: none;
    display: flex;
    justify-content: center;
    pointer-events: none;
    transition: background 0.3s, border-top 0.3s;
}
#worldbook .wb-add-btn {
    width: auto;
    height: auto;
    background: var(--wb-ink);
    color: var(--wb-paper);
    border: none;
    border-radius: 100px;
    box-shadow: 0 10px 20px -10px rgba(0,0,0,0.2);
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    pointer-events: auto;
    transition: 0.2s;
}
#worldbook .wb-add-btn:active {
    background: var(--wb-ink);
    color: var(--wb-paper);
    transform: scale(0.96);
}

/* 管理模式 → 苹果原生 toolbar */
#worldbook .wb-list-layer.wb-managing .wb-bottom-bar,
#worldbook #wb-listLayer.wb-managing .wb-bottom-bar,
#worldbook.wb-managing .wb-bottom-bar {
    background: var(--wb-paper);
    border-top: 1px solid var(--wb-desk-border);
    padding: 12px 24px calc(env(safe-area-inset-bottom, 0px) + 12px);
    pointer-events: auto;
}
#worldbook .wb-list-layer.wb-managing .wb-add-btn,
#worldbook #wb-listLayer.wb-managing .wb-add-btn,
#worldbook.wb-managing .wb-add-btn { display: none; }

#worldbook .wb-batch-actions {
    display: none;
    width: 100%;
    justify-content: space-between;
    padding: 0 16px;
    pointer-events: auto;
}
#worldbook .wb-list-layer.wb-managing .wb-batch-actions,
#worldbook #wb-listLayer.wb-managing .wb-batch-actions,
#worldbook.wb-managing .wb-batch-actions { display: flex; }

#worldbook .wb-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 22px;
    color: var(--wb-ink);
    opacity: 0.9;
    gap: 4px;
    cursor: pointer;
}
#worldbook .wb-action-item i {
    font-size: 22px;
    color: var(--wb-ink);
    margin: 0;
}
#worldbook .wb-action-item::after {
    content: attr(title);
    font-size: 10px;
    font-weight: 600;
    opacity: 1;
}
#worldbook .wb-action-item.wb-delete,
#worldbook .wb-action-item.wb-delete i {
    color: #FF3B30;
}

/* === 18. 编辑抽屉 === */
#worldbook .wb-editor-layer,
#worldbook #wb-editorLayer {
    position: absolute;
    top: 15%;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    background: var(--wb-paper);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-top: none;
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -24px 48px rgba(0,0,0,0.08), 0 -1px 0 rgba(0,0,0,0.03);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
#worldbook .wb-editor-layer.wb-open,
#worldbook #wb-editorLayer.wb-open { transform: translateY(0); }

#worldbook .wb-editor-layer::before,
#worldbook #wb-editorLayer::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 4px;
    background: var(--wb-desk-border);
    border-radius: 2px;
    opacity: 1;
    z-index: 10;
}

#worldbook .wb-editor-nav {
    padding: 28px 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--wb-desk-border);
    z-index: 10;
}
#worldbook .wb-editor-nav > i {
    font-size: 24px;
    color: var(--wb-ink) !important;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#worldbook .wb-editor-nav .wb-list-title {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--wb-ink) !important;
    letter-spacing: 0;
}
#worldbook .wb-save-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--wb-ink);
    background: transparent;
    padding: 0;
    border-radius: 0;
    cursor: pointer;
    letter-spacing: 0;
}

#worldbook .wb-editor-body {
    flex: 1;
    margin: 0;
    padding: 32px 24px;
    overflow-y: auto;
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 0;
}
#worldbook .wb-editor-body::after { display: none; }
#worldbook .wb-editor-body > .title { display: none; }

/* 标题输入 */
#worldbook .wb-clean-input,
#worldbook #wb-editorInput,
#worldbook .wb-clean-input#wb-editorInput {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--wb-desk-border);
    border-radius: 0;
    outline: none;
    margin-bottom: 24px;
    text-align: left;
    font-family: inherit;
    font-size: 22px;
    font-weight: 700;
    color: var(--wb-ink);
    background: transparent;
    padding: 12px 0;
    box-shadow: none;
    transition: 0.3s;
}
#worldbook .wb-clean-input::placeholder {
    color: var(--wb-ink-sub);
    opacity: 0.4;
}

/* 触发机制段标题 */
#worldbook .wb-editor-body > div[style*="font-size:12px"] {
    color: var(--wb-ink-sub) !important;
    font-family: inherit;
    font-size: 11px !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em;
    margin-bottom: 8px !important;
    margin-top: 8px;
    text-transform: uppercase;
}

/* 触发模式选择器 */
#worldbook .wb-toggle-box {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border: none;
    border-radius: 8px;
    overflow: hidden;
    background: var(--wb-wall);
    padding: 4px;
}
#worldbook .wb-toggle-btn {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    color: var(--wb-ink-sub);
    cursor: pointer;
    transition: 0.2s;
    border: none;
    border-right: none;
    border-radius: 6px;
}
#worldbook .wb-toggle-btn:last-child { border-right: none; }
#worldbook .wb-toggle-btn.wb-active {
    background: var(--wb-paper);
    color: var(--wb-ink);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

#worldbook #wb-keyword-box {
    display: none;
    margin-bottom: 24px;
}
#worldbook #wb-keyword-box input,
#worldbook #wb-keyword-box .wb-clean-input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--wb-desk-border);
    border-radius: 0;
    padding: 10px 0;
    font-size: 15px;
    font-family: inherit;
    font-weight: 400;
    width: 100%;
    outline: none;
    color: var(--wb-ink);
    text-align: left;
    margin-bottom: 0;
}

/* 大文本域 */
#worldbook .wb-clean-textarea {
    width: 100%;
    min-height: 300px;
    background: transparent;
    border: none;
    border-bottom: none;
    padding: 16px 0;
    font-size: 16px;
    font-weight: 400;
    color: var(--wb-ink);
    outline: none;
    resize: none;
    font-family: inherit;
    line-height: 1.8;
    border-radius: 0;
    box-shadow: none;
    background-image: none;
    background-attachment: scroll;
}
#worldbook .wb-clean-textarea::placeholder {
    color: var(--wb-ink-sub);
    opacity: 0.4;
}

/* === 19. 弹窗系统（renameFolder / showPrompt / showConfirm 用） === */
#worldbook .wb-modal-overlay {
    position: absolute;
    inset: 0;
    z-index: 999;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s;
}
#worldbook .wb-modal-overlay.wb-show {
    display: flex;
    opacity: 1;
}
#worldbook .wb-glass-modal {
    width: 85%;
    max-width: 320px;
    background: var(--wb-paper);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: scale(0.95);
    transition: transform 0.3s;
    text-align: center;
    animation: none;
    overflow: visible;
}
#worldbook .wb-modal-overlay.wb-show .wb-glass-modal {
    transform: scale(1);
}
#worldbook .wb-glass-modal::before { display: none; }

#worldbook .wb-modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--wb-ink);
    margin-bottom: 8px;
    letter-spacing: 0;
}
#worldbook .wb-modal-message {
    font-size: 13px;
    color: var(--wb-ink-sub);
    margin-bottom: 20px;
    line-height: 1.5;
}
#worldbook .wb-modal-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--wb-desk-border);
    border-radius: 8px;
    background: var(--wb-wall);
    color: var(--wb-ink);
    margin-bottom: 20px;
    outline: none;
    text-align: left;
    font-family: inherit;
    font-size: 15px;
    box-shadow: none;
}
#worldbook .wb-modal-input:focus {
    border-color: var(--wb-ink);
    background: var(--wb-paper);
    box-shadow: none;
}
#worldbook .wb-modal-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
}
#worldbook .wb-modal-btn {
    flex: 1;
    padding: 10px 0;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    border: none;
    box-shadow: none;
    text-shadow: none;
}
#worldbook .wb-modal-btn:active { transform: scale(0.95); }
#worldbook .wb-modal-btn-cancel {
    background: var(--wb-wall);
    color: var(--wb-ink-sub);
}
#worldbook .wb-modal-btn-cancel:hover {
    background: var(--wb-wall);
    transform: none;
    box-shadow: none;
}
#worldbook .wb-modal-btn-confirm {
    background: var(--wb-ink);
    color: var(--wb-paper);
}
#worldbook .wb-modal-btn-confirm:hover {
    background: var(--wb-ink);
    transform: none;
    box-shadow: none;
}
#worldbook .wb-modal-btn-danger {
    background: #FF3B30;
    color: #FFF;
}
#worldbook .wb-modal-btn-danger:hover {
    background: #FF3B30;
    transform: none;
    box-shadow: none;
}

/* === 20. 暗色模式（变量级覆盖，避免硬编码） === */
body.dark-mode #worldbook,
[data-theme="dark"] #worldbook,
body.night #worldbook,
html[data-theme="dark"] #worldbook {
    --wb-wall: #161616;
    --wb-desk: #1C1C1C;
    --wb-desk-border: #2A2A2A;
    --wb-ink: #EAEAEA;
    --wb-ink-sub: #777777;
    --wb-paper: #222222;

    --c-cover-1: #383531; --c-cover-2: #2B3330; --c-cover-3: #383133;
    --c-cover-4: #2A3036; --c-cover-5: #35332F; --c-cover-6: #2C2B29;
    --c-cover-7: #2D332A; --c-cover-8: #322F35; --c-cover-9: #353028;
    --c-cover-10: #362D2A; --c-cover-11: #2A2F33; --c-cover-12: #31332A;
}
body.dark-mode #worldbook::before,
[data-theme="dark"] #worldbook::before,
body.night #worldbook::before,
html[data-theme="dark"] #worldbook::before {
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    mix-blend-mode: normal;
    opacity: 1;
}
body.dark-mode #worldbook .wb-ambient-glow,
[data-theme="dark"] #worldbook .wb-ambient-glow,
body.night #worldbook .wb-ambient-glow,
html[data-theme="dark"] #worldbook .wb-ambient-glow {
    background: radial-gradient(ellipse at top, rgba(255,255,255,0.04) 0%, transparent 60%);
}
body.dark-mode #worldbook .wb-book-ledge,
[data-theme="dark"] #worldbook .wb-book-ledge,
body.night #worldbook .wb-book-ledge,
html[data-theme="dark"] #worldbook .wb-book-ledge {
    background: linear-gradient(to bottom, #2A2A2A, #1A1A1A);
    border-bottom: 1px solid #000;
    box-shadow: 0 6px 12px -2px rgba(0,0,0,0.4);
}
body.dark-mode #worldbook .wb-hanger,
[data-theme="dark"] #worldbook .wb-hanger,
body.night #worldbook .wb-hanger,
html[data-theme="dark"] #worldbook .wb-hanger {
    box-shadow: 0 12px 24px -6px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
}

/* 暗色细节：点击态 / 模态遮罩 / 阴影 */
body.dark-mode #worldbook .wb-entry-item:active,
[data-theme="dark"] #worldbook .wb-entry-item:active,
body.night #worldbook .wb-entry-item:active,
html[data-theme="dark"] #worldbook .wb-entry-item:active {
    background: rgba(255,255,255,0.04);
}
body.dark-mode #worldbook .wb-modal-overlay,
[data-theme="dark"] #worldbook .wb-modal-overlay,
body.night #worldbook .wb-modal-overlay,
html[data-theme="dark"] #worldbook .wb-modal-overlay {
    background: rgba(0,0,0,0.65);
}
body.dark-mode #worldbook .wb-glass-modal,
[data-theme="dark"] #worldbook .wb-glass-modal,
body.night #worldbook .wb-glass-modal,
html[data-theme="dark"] #worldbook .wb-glass-modal {
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
}
body.dark-mode #worldbook .wb-add-btn,
[data-theme="dark"] #worldbook .wb-add-btn,
body.night #worldbook .wb-add-btn,
html[data-theme="dark"] #worldbook .wb-add-btn {
    box-shadow: 0 10px 24px -8px rgba(0,0,0,0.6);
}
body.dark-mode #worldbook .wb-toggle-box,
[data-theme="dark"] #worldbook .wb-toggle-box,
body.night #worldbook .wb-toggle-box,
html[data-theme="dark"] #worldbook .wb-toggle-box {
    background: rgba(255,255,255,0.04);
}
body.dark-mode #worldbook .wb-toggle-btn.wb-active,
[data-theme="dark"] #worldbook .wb-toggle-btn.wb-active,
body.night #worldbook .wb-toggle-btn.wb-active,
html[data-theme="dark"] #worldbook .wb-toggle-btn.wb-active {
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
body.dark-mode #worldbook .wb-tag,
[data-theme="dark"] #worldbook .wb-tag,
body.night #worldbook .wb-tag,
html[data-theme="dark"] #worldbook .wb-tag {
    background: rgba(255,255,255,0.06);
}
body.dark-mode #worldbook .wb-entry-toggle::after,
[data-theme="dark"] #worldbook .wb-entry-toggle::after,
body.night #worldbook .wb-entry-toggle::after,
html[data-theme="dark"] #worldbook .wb-entry-toggle::after {
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}