/* 迁自 style.css · 世界书（#books-page、选择与编辑模态等） */
/* 世界书页面样式 */
#books-page {
    background: #f8f8f8;
}

.books-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
}

.books-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    flex: 1;
    text-align: center;
    margin: 0;
}

.books-header-buttons {
    display: grid;
    grid-template-columns: repeat(3, 28px);
    align-items: center;
    justify-items: center;
    column-gap: 12px;
    position: absolute;
    right: 14px;
}

.books-header-btn {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #4a4448;
    cursor: pointer;
    padding: 0;
    border-radius: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.books-header-btn-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    display: block;
}

.books-header-btn--icon-only {
    background: transparent;
    box-shadow: none;
    border: none;
}

.books-header-delete-svg,
.books-header-folder-svg {
    width: 24px;
    height: 24px;
    display: block;
    overflow: visible;
}

.books-header-btn-icon--linear {
    width: 18px;
    height: 18px;
}

.books-header-btn:hover {
    background: transparent;
    opacity: 0.75;
}

.books-header-btn:active {
    transform: scale(0.96);
}

.books-header-btn.active .books-header-btn-icon,
.books-header-btn.active .books-header-folder-svg,
.books-header-btn.active .books-header-delete-svg {
    opacity: 0.7;
}

.books-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.books-content::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}

.world-book-list {
    display: none;
}

/* 世界书：勾选删除模式 */
.world-book-item {
    position: relative;
}
.world-book-item.world-book-item--selecting {
    padding-left: 44px;
}
.world-book-select-box {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 2px solid rgba(120, 120, 120, 0.55);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #fff;
}
.world-book-item.world-book-item--checked .world-book-select-box {
    background: #4caf50;
    border-color: #4caf50;
}
.world-book-item.world-book-item--checked .world-book-item-title {
    color: #2e7d32;
}
.world-book-fab-delete {
    position: absolute;
    right: 16px;
    bottom: 18px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: none;
    background: #e53935;
    color: #fff;
    font-size: 22px;
    box-shadow: 0 10px 22px rgba(229,57,53,0.28);
    cursor: pointer;
    z-index: 80;
}
.world-book-fab-delete:active {
    opacity: 0.9;
    transform: translateY(1px);
}

.world-book-list.has-items {
    display: block;
}

.world-book-empty.has-items {
    display: none;
}

.world-book-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}

.world-book-empty-icon {
    font-size: 64px;
    color: #ccc;
    margin-bottom: 16px;
}

.world-book-empty-text {
    font-size: 16px;
    color: #888;
    margin-bottom: 8px;
}

.world-book-empty-hint {
    font-size: 14px;
    color: #aaa;
}

.world-book-item {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: all 0.2s ease, background-color 0.35s ease, box-shadow 0.35s ease, color 0.35s ease;
    min-width: 0;
}

.world-book-item:hover {
    background: #fafafa;
}

.world-book-item-title {
    font-size: 16px;
    font-weight: 500;
    color: #F5F4F0;
    margin-bottom: 4px;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.world-book-item-preview {
    font-size: 13px;
    color: #F5F4F0;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    line-height: 1.45;
}

.world-book-select-list .world-book-item {
    margin-bottom: 8px;
}

.world-book-select-list .world-book-item.selected {
    border: 2px solid #07c160;
}

/* 好友设置-选择世界书：分组折叠列表 */
.world-book-select-modal-content {
    max-width: 360px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

.world-book-select-modal-content .modal-header {
    position: relative;
}

.world-book-select-modal-content .modal-close {
    display: flex;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
}

.world-book-select-modal-content .modal-body {
    flex: 1;
    overflow-y: auto;
}

.world-book-select-folder {
    margin-bottom: 8px;
    border-radius: 10px;
    overflow: hidden;
    background: #f5f5f5;
}

.world-book-select-folder-header {
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.world-book-select-folder-header:hover {
    background: #eee;
}

.world-book-select-folder-header::before {
    content: '▶';
    font-size: 10px;
    margin-right: 8px;
    transition: transform 0.2s;
}

.world-book-select-folder.expanded .world-book-select-folder-header::before {
    transform: rotate(90deg);
}

.world-book-select-folder-entries {
    display: none;
    padding: 0 8px 8px;
}

.world-book-select-folder.expanded .world-book-select-folder-entries {
    display: block;
}

.world-book-select-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin-top: 4px;
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
}

.world-book-select-item:hover {
    background: #fafafa;
}

.world-book-select-item.checked {
    border-color: #07c160;
    background: rgba(7, 193, 96, 0.06);
}

.world-book-select-item input[type="checkbox"] {
    margin-right: 10px;
    flex-shrink: 0;
}

.world-book-select-footer {
    padding-top: 12px;
    border-top: 1px solid #eee;
    margin-top: 12px;
}

.world-book-select-confirm-btn {
    width: 100%;
    padding: 12px;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    cursor: pointer;
}

.world-book-select-confirm-btn:hover {
    background: #333;
}

/* 选择世界书模态框：置于 body 下；z-index 须高于灵动岛(100130)/部分全屏层(100200)，否则从查手机打开时看不见 */
.modal-over-friend-settings,
#select-world-book-modal {
    z-index: 100210;
    position: fixed;
}

.world-book-textarea {
    min-height: 120px;
    resize: vertical;
}

.add-world-book-modal-content {
    max-width: 420px;
}

/* 新建/编辑世界书：贴合 #app 小手机屏，四边 8px 内嵌 + 磨砂（非视口居中弹层） */
#add-world-book-modal.add-world-book-modal--phone {
    position: absolute;
    inset: 0;
    z-index: 4500;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.14);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    align-items: stretch;
    justify-content: stretch;
}

#add-world-book-modal.add-world-book-modal--phone .add-world-book-modal-content {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 8px;
    bottom: 8px;
    width: auto;
    max-width: none;
    height: auto;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.42);
    box-shadow: 0 12px 40px rgba(45, 52, 72, 0.14);
    background: rgba(231, 232, 234, 0.9) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    animation: addWorldBookPanelIn 0.34s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes addWorldBookPanelIn {
    from {
        opacity: 0.88;
        transform: translateY(14px) scale(0.988);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

#add-world-book-modal.add-world-book-modal--phone .modal-header {
    flex: 0 0 auto;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

#add-world-book-modal.add-world-book-modal--phone .modal-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 14px 14px 10px;
}

#add-world-book-modal.add-world-book-modal--phone .modal-footer {
    flex: 0 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    height: auto;
    min-height: 56px;
    padding: 12px 16px 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.07);
}

#add-world-book-modal.add-world-book-modal--phone .modal-footer .btn-cancel,
#add-world-book-modal.add-world-book-modal--phone .modal-footer .btn-save {
    width: auto;
    min-width: 132px;
    height: 46px;
    border-radius: 14px;
    flex: 0 0 auto;
}

#add-world-book-modal.add-world-book-modal--phone .modal-footer .btn-cancel {
    background: #fff;
    color: #333;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

#add-world-book-modal.add-world-book-modal--phone .modal-footer .btn-save {
    background: #000;
    color: #fff;
}

#add-world-book-modal.add-world-book-modal--phone .modal-footer .btn-cancel:hover {
    background: #f5f5f5;
}

#add-world-book-modal.add-world-book-modal--phone .modal-footer .btn-save:hover {
    background: #333;
}

html[data-appearance="dark"] #add-world-book-modal.add-world-book-modal--phone .add-world-book-modal-content {
    background: linear-gradient(180deg, rgba(44, 44, 46, 0.9) 0%, rgba(28, 28, 30, 0.9) 100%) !important;
    border-color: rgba(255, 255, 255, 0.1);
    color: #f5f5f7;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.32);
}

.world-book-folder-select {
    width: 100%;
    padding: 12px;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    background: #f8f8f8;
}

.form-hint {
    font-size: 12px;
    color: #888;
    margin-top: 6px;
    line-height: 1.4;
}

/* 新建文件夹模态框 */
#new-folder-modal .modal-content.new-folder-modal-content {
    border: none;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.new-folder-modal-content {
    max-width: 320px;
    padding: 24px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
}

.new-folder-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    text-align: center;
    margin: 0;
}

.new-folder-input {
    padding: 14px 16px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    background: #f0f0f0;
    color: #333;
}

.new-folder-input::placeholder {
    color: #999;
}

.new-folder-buttons {
    display: flex;
    gap: 12px;
    margin-top: 4px;
}

.new-folder-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.new-folder-btn.cancel {
    background: #e8e8e8;
    color: #555;
}

.new-folder-btn.cancel:hover {
    background: #ddd;
}

.new-folder-btn.create {
    background: #000;
    color: #fff;
}

.new-folder-btn.create:hover {
    background: #333;
}

/* 世界书分组列表 */
.world-book-folder-section {
    margin-bottom: 18px;
}

.world-book-folder-header {
    width: 100%;
    font-size: 14px;
    font-weight: 700;
    color: #F5F4F0;
    padding: 14px 16px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid rgba(167, 190, 198, 0.9);
    border-radius: 20px;
    background: rgba(167, 190, 198, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 12px 28px rgba(123, 162, 202, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.world-book-folder-header:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(123, 162, 202, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.world-book-folder-header-main {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.world-book-folder-chevron {
    width: 11px;
    height: 11px;
    border-right: 2px solid rgba(77, 109, 142, 0.88);
    border-bottom: 2px solid rgba(77, 109, 142, 0.88);
    transform: rotate(-45deg);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-left: 2px;
}

.world-book-folder-section.is-expanded .world-book-folder-chevron {
    transform: rotate(45deg);
}

.world-book-folder-header-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.world-book-folder-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(245, 244, 240, 0.18);
    border: 1px solid rgba(245, 244, 240, 0.28);
    color: #F5F4F0;
    font-size: 12px;
    font-weight: 700;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.world-book-folder-entries {
    display: grid;
    gap: 10px;
    padding: 10px 6px 0;
}

.world-book-folder-section.is-collapsed .world-book-folder-entries {
    display: none;
}

/* 夜间模式 · 世界书顶栏与图标按钮 */
html[data-appearance="dark"] #books-page {
    background: linear-gradient(135deg, #111214 0%, #1c1c1e 100%);
}

html[data-appearance="dark"] .books-header h1 {
    color: var(--dark-btn-text, #f5f5f7);
}

html[data-appearance="dark"] .books-header-btn {
    color: var(--dark-btn-text, #f5f5f7);
    background: var(--dark-icon-btn-bg, rgba(72, 72, 76, 0.92));
    border: 1px solid var(--dark-icon-btn-border, rgba(255, 255, 255, 0.2));
    border-radius: 8px;
    box-shadow: var(--dark-icon-btn-shadow, 0 0 0 0.5px rgba(255, 255, 255, 0.1), 0 2px 10px rgba(0, 0, 0, 0.32));
}

html[data-appearance="dark"] .books-header-btn:hover {
    background: var(--dark-icon-btn-bg-hover, rgba(88, 88, 94, 0.96));
    opacity: 1;
}

html[data-appearance="dark"] .books-header-btn svg {
    color: var(--dark-btn-text, #f5f5f7);
}

html[data-appearance="dark"] img.books-header-btn-icon[src*="line-icons/"] {
    filter: var(--dark-line-icon-filter, brightness(0) invert(1));
    opacity: 0.94;
}