/* 图书列表页面样式 - 女性友好版 */

/* 背景和泡泡动画 */
.book-list-container {
    padding: 24px;
    background-color: #ffeef2; /* 淡粉色背景 */
    min-height: calc(100vh - 60px);
    position: relative;
    overflow: hidden;
}

/* 泡泡动画 */
.book-list-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.category-filter-dropdown,
.sort-dropdown,
.order-dropdown {
    z-index: 9999;
}


@keyframes bubble {
    0% {
        transform: translateY(100%) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

.bubble {
    position: absolute;
    bottom: -50px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    z-index: 1;
    animation: bubble 15s infinite ease-in;
}

/* 为页面添加15个泡泡 */
.bubble:nth-child(1) { left: 5%; width: 30px; height: 30px; animation-duration: 20s; animation-delay: 0s; }
.bubble:nth-child(2) { left: 15%; width: 20px; height: 20px; animation-duration: 18s; animation-delay: 1s; }
.bubble:nth-child(3) { left: 25%; width: 25px; height: 25px; animation-duration: 16s; animation-delay: 2s; }
.bubble:nth-child(4) { left: 35%; width: 15px; height: 15px; animation-duration: 15s; animation-delay: 0.5s; }
.bubble:nth-child(5) { left: 45%; width: 30px; height: 30px; animation-duration: 14s; animation-delay: 3s; }
.bubble:nth-child(6) { left: 55%; width: 20px; height: 20px; animation-duration: 13s; animation-delay: 2.5s; }
.bubble:nth-child(7) { left: 65%; width: 25px; height: 25px; animation-duration: 12s; animation-delay: 1.5s; }
.bubble:nth-child(8) { left: 75%; width: 15px; height: 15px; animation-duration: 11s; animation-delay: 4s; }
.bubble:nth-child(9) { left: 85%; width: 30px; height: 30px; animation-duration: 10s; animation-delay: 3.5s; }
.bubble:nth-child(10) { left: 10%; width: 18px; height: 18px; animation-duration: 19s; animation-delay: 0.5s; }
.bubble:nth-child(11) { left: 20%; width: 22px; height: 22px; animation-duration: 17s; animation-delay: 2.5s; }
.bubble:nth-child(12) { left: 30%; width: 28px; height: 28px; animation-duration: 16s; animation-delay: 1.2s; }
.bubble:nth-child(13) { left: 40%; width: 17px; height: 17px; animation-duration: 15s; animation-delay: 3.7s; }
.bubble:nth-child(14) { left: 60%; width: 23px; height: 23px; animation-duration: 13s; animation-delay: 2.1s; }
.bubble:nth-child(15) { left: 80%; width: 19px; height: 19px; animation-duration: 12s; animation-delay: 1.7s; }

/* 页面标题部分 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(233, 152, 174, 0.3);
    position: relative;
    z-index: 2;
}

.page-header h1 {
    color: #d23f6e;
    font-size: 1.9rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

/* 更漂亮的顶部按钮 */
.action-buttons {
    display: flex;
    gap: 12px;
    position: relative;
    z-index: 2;
}

.action-buttons .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 50px;
    font-weight: 500;
    padding: 9px 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.06);
    border: none;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.action-buttons .btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), transparent);
    pointer-events: none;
}

.action-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12), 0 3px 6px rgba(0, 0, 0, 0.08);
}

.action-buttons .btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* 按钮颜色 */
.btn-primary {
    background: linear-gradient(135deg, #5c88da, #4a73c7);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #56c596, #41b384);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, #5bc0de, #46b8da);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #f0ad4e, #ec971f);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ff7676, #ff5252);
    color: white;
}

/* 过滤和搜索部分 */
.filter-section {
    margin-bottom: 25px;
    padding: 18px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(5px);
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.search-row {
    margin-bottom: 5px;
    width: 100%;
}

.search-group {
    display: flex;
    width: 100%;
    max-width: 800px;
}

/* 现代化下拉列表样式 */
.filter-section .custom-select-container {
    position: relative;
    width: 100%;
}

.filter-section .filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8f9fa;
    border-radius: 12px;
    padding: 12px 16px;
    cursor: pointer;
    user-select: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    border: 2px solid #f9c0d0;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.95);
    color: #666;
    font-weight: 500;
}

.filter-section .filter-header:hover {
    border-color: #e67e9f;
    box-shadow: 0 0 0 3px rgba(230, 126, 159, 0.1);
    background-color: #fff;
    transform: translateY(-2px);
}

.filter-section .filter-header .filter-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-section .filter-header .filter-title i {
    color: #e67e9f;
    font-size: 16px;
}

.filter-section .filter-header .icon-arrow {
    transition: transform 0.3s ease;
}

.filter-section .filter-header.open .icon-arrow {
    transform: rotate(180deg);
}

.filter-section .dropdown-options {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    padding: 8px 0;
    display: none;
    animation: dropdownFadeIn 0.3s ease;
    border: 1px solid rgba(233, 152, 174, 0.3);
}

.filter-section .dropdown-options.show {
    display: block;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filter-section .option-item {
    padding: 10px 16px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-section .option-item:hover {
    background: linear-gradient(135deg, #ffeef2, #ffd9e2);
    color: #d23f6e;
}

.filter-section .option-item.selected {
    background: linear-gradient(135deg, #ffeef2, #ffd9e2);
    color: #d23f6e;
    font-weight: 500;
}

.filter-section .option-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.filter-section .option-item.all-option {
    background-color: #f0f7ff;
    margin: 0 8px 8px 8px;
    border-radius: 8px;
}

.filter-section .option-item.all-option i {
    color: #4a73c7;
}

/* 全局类别和选项图标 */
.filter-section .icon-all {
    color: #4a73c7;
}

.filter-section .icon-literature {
    color: #e67e9f;
}

.filter-section .icon-novel {
    color: #f0ad4e;
}

.filter-section .icon-essay {
    color: #56c596;
}

.filter-section .icon-computer {
    color: #5bc0de;
}

.filter-section .icon-programming {
    color: #9c27b0;
}

.filter-section .icon-sort {
    color: #5c88da;
}

.filter-section .icon-order {
    color: #e67e9f;
}

/* 使搜索框和下拉列表样式保持一致 */
.search-group .form-control {
    border: 2px solid #f9c0d0;
    height: 46px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
    border-right: none;
    border-radius: 12px 0 0 12px;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    flex: 1;
}

.search-group .form-control:hover {
    border-color: #e67e9f;
    box-shadow: 0 0 0 3px rgba(230, 126, 159, 0.1);
}

.search-group .form-control:focus {
    border-color: #d23f6e;
    box-shadow: 0 0 0 3px rgba(230, 126, 159, 0.2);
    color: #333;
}

.search-group .btn {
    border-radius: 0 12px 12px 0;
    width: 46px;
    height: 46px;
    min-width: 46px;
    padding: 0;
    background: linear-gradient(135deg, #e67e9f 60%, #ffd3e1 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -1px;   /* 防止和输入框间有缝隙 */
    font-size: 1.1rem;
    box-shadow: 0 2px 6px rgba(230, 126, 159, 0.10);
    transition: background 0.2s, box-shadow 0.2s;
}

.search-group .btn:hover {
    background: linear-gradient(135deg, #d23f6e 80%, #efb6c6 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(230, 126, 159, 0.14);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    width: 100%;
}

.filter-group {
    flex: 1;
    min-width: 180px;
}

/* 图书网格布局 */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
    position: relative;
    /*z-index: 2;*/
}

/* 图书卡片样式 */
.book-card {
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    overflow: hidden;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    border: 1px solid rgba(233, 152, 174, 0.2);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

.book-cover {
    width: 100%;
    height: 180px;
    background-color: #faf3f5;
    overflow: hidden;
    position: relative;
}

.book-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(249, 219, 227, 0.4));
    pointer-events: none;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.book-card:hover .book-cover img {
    transform: scale(1.05);
}

.no-cover {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #ffeef2 0%, #ffd9e2 100%);
    color: #e67e9f;
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.no-cover i {
    font-size: 36px;
    margin-bottom: 10px;
}

.book-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.book-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 10px;
    color: #d23f6e;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.book-author {
    font-size: 0.95rem;
    color: #888;
    margin-bottom: 15px;
}

.book-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.book-category {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    background-color: #ffebf0;
    color: #e67e9f;
    font-weight: 500;
}

.book-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.book-status.available {
    background-color: #dffff6;
    color: #26a69a;
}

.book-status.unavailable {
    background-color: #ffeeee;
    color: #e57373;
}

.book-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #777;
}

.book-details p {
    margin: 0;
    display: flex;
}

.book-details strong {
    min-width: 65px;
    color: #999;
    font-weight: 600;
}

/* 按钮组样式 */
.book-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: auto;
}

.book-actions .btn {
    padding: 8px 0;
    font-size: 0.9rem;
    text-align: center;
    border-radius: 25px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.book-actions .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.book-actions .btn i {
    font-size: 0.85rem;
}

/* 具体按钮颜色 */
.book-actions .btn-primary {
    background: linear-gradient(135deg, #5c88da, #4a73c7);
}

.book-actions .btn-info {
    background: linear-gradient(135deg, #5bc0de, #46b8da);
}

.book-actions .btn-success {
    background: linear-gradient(135deg, #56c596, #41b384);
}

.book-actions .btn-danger {
    background: linear-gradient(135deg, #ff7676, #ff5252);
}

/* 无图书状态 */
.no-books {
    grid-column: 1 / -1;
    padding: 50px 30px;
    text-align: center;
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
}

.no-books i {
    font-size: 60px;
    color: #f9c0d0;
    margin-bottom: 20px;
}

.no-books p {
    font-size: 1.1rem;
    color: #e67e9f;
    font-weight: 500;
}

/* 分页容器 */
.pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 30px;
    position: relative;
    z-index: 2;
}

.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    background-color: white;
    border-radius: 30px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.pagination .page-item {
    margin: 0;
}

.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border: none;
    color: #777;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}

.pagination .page-link:hover {
    color: #e67e9f;
    background-color: #fff9fb;
}

.pagination .page-item.active .page-link {
    background-color: #e67e9f;
    color: white;
    box-shadow: none;
}

.pagination .page-item.disabled .page-link {
    color: #bbb;
    background-color: #f9f9f9;
}

.pagination-info {
    color: #999;
    font-size: 0.9rem;
}

/* 优化模态框样式 */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 15px 35px rgba(50, 50, 93, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    overflow: hidden;
}

.modal-header {
    padding: 20px 25px;
    background-color: #ffeef2;
    border-bottom: 1px solid #ffe0e9;
}

.modal-title {
    color: #d23f6e;
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid #ffe0e9;
    background-color: #ffeef2;
}

.modal-body p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

.modal-body p.text-danger {
    color: #ff5252 !important;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-body p.text-danger::before {
    content: "\f06a";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
}

.modal .close {
    font-size: 1.5rem;
    color: #e67e9f;
    opacity: 0.8;
    text-shadow: none;
    transition: all 0.2s;
}

.modal .close:hover {
    opacity: 1;
    color: #d23f6e;
}

.modal .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-weight: 500;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    border: none;
}

.modal .btn-secondary {
    background: linear-gradient(135deg, #a0a0a0, #808080);
    color: white;
}

.modal .btn-danger {
    background: linear-gradient(135deg, #ff7676, #ff5252);
    color: white;
}

/* 封面标题栏 */
.cover-title-bar {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    background: linear-gradient(0deg, rgba(233,152,174,0.92) 0%, rgba(255,255,255,0.08) 90%);
    color: #fff;
    font-size: 1rem;
    font-weight: bold;
    padding: 10px 14px 7px 14px;
    text-shadow: 0 2px 6px rgba(180,0,80,0.14);
    line-height: 1.3;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    align-items: flex-end;
    min-height: 38px;
    z-index: 2;
}

.book-card:hover .cover-title-bar {
    background: linear-gradient(0deg, #d23f6e 0%, rgba(255,255,255,0.1) 100%);
    font-size: 1.07rem;
    letter-spacing: .5px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .filter-row {
        flex-wrap: wrap;
    }

    .filter-group {
        flex: 1 0 180px;
    }
}

@media (max-width: 768px) {
    .book-list-container {
        padding: 16px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .action-buttons {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 8px;
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .filter-section {
    margin-bottom: 25px;
    padding: 18px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 100; /* Higher than books-grid but lower than dropdown-options */
    backdrop-filter: blur(5px);
    }


    .search-form {
        flex-direction: column;
        gap: 12px;
    }

    .search-group {
        max-width: 100%;
    }

    .filter-row {
        gap: 12px;
    }

    .books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
    position: relative;
    z-index: 10; /* Lower than filter-section */
    }

    .book-actions {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .cover-title-bar {
        font-size: 0.95rem;
        min-height: 27px;
        padding: 8px 8px 5px 10px;
    }

    .book-actions {
        grid-template-columns: 1fr;
    }
}