/* ==================== 我的收藏页面 - 新中式风格 ==================== */

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2rem;
    min-height: calc(100vh - 200px);
}

.user-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2rem;
    min-height: calc(100vh - 200px);
}

.user-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.user-menu {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.25s ease;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.menu-item:last-child {
    margin-bottom: 0;
}

.menu-item:hover {
    background: var(--secondary-light);
    color: var(--primary-color);
    transform: translateX(4px);
}

.menu-item.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: 0 4px 12px rgba(43, 95, 117, 0.3);
}

.menu-item .icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.user-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-light);
}

.content-header h1 {
    font-size: 1.75rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.1rem;
    position: relative;
}

.content-header h1::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--gold-color));
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.total-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--secondary-light);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}

.search-filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    max-width: 400px;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-family: var(--font-family);
    background: white;
    transition: all 0.25s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(43, 95, 117, 0.1);
}

.search-btn {
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.25s ease;
    font-size: 1rem;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(43, 95, 117, 0.3);
}

.filter-group {
    display: flex;
    gap: 0.75rem;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: var(--font-family);
    background: white;
    cursor: pointer;
    transition: all 0.25s ease;
    min-width: 120px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.favorite-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    animation: fadeInUp 0.4s ease;
    position: relative;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.favorite-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.favorite-card.removing {
    animation: fadeOutDown 0.3s ease forwards;
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

.card-cover {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

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

.card-cover .placeholder-cover {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-light);
}

.card-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.35rem 0.85rem;
    background: rgba(43, 95, 117, 0.9);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.btn-unfavorite {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-unfavorite:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

.btn-unfavorite.active {
    background: var(--gold-color);
    color: white;
}

.card-content {
    padding: 1.25rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s ease;
}

.card-title a {
    color: inherit;
    text-decoration: none;
}

.card-title a:hover {
    color: var(--primary-color);
}

.card-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
    font-size: 0.85rem;
    color: var(--text-light);
}

.meta-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.meta-item .icon {
    font-size: 0.9rem;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--border-light);
}

.author-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.btn-explore {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(43, 95, 117, 0.25);
}

.btn-explore:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 95, 117, 0.35);
}

.loading-state {
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem 0;
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    font-size: 0.9rem;
    min-width: 40px;
}

.page-btn:hover:not(:disabled) {
    background: var(--secondary-light);
    color: var(--primary-color);
    border-color: var(--primary-light);
}

.page-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--secondary-light), white);
}

.modal-header h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--text-light);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: var(--secondary-light);
    color: var(--accent-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    background: var(--secondary-light);
}

.btn-secondary {
    padding: 0.625rem 1.25rem;
    background: white;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    color: var(--primary-color);
    border-color: var(--primary-light);
}

.btn-danger {
    padding: 0.625rem 1.25rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

.btn-danger:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 1rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    box-shadow: var(--shadow-lg);
    z-index: 10001;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    background: linear-gradient(135deg, #10B981, #059669);
}

.toast.error {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
}

@media (max-width: 1024px) {
    .user-container {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }

    .user-sidebar {
        position: static;
        order: 2;
    }

    .user-menu {
        display: flex;
        overflow-x: auto;
        gap: 0.5rem;
        padding: 0.75rem;
    }

    .menu-item {
        margin-bottom: 0;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .favorites-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .user-container {
        padding: 1rem;
        gap: 1rem;
    }

    .content-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .content-header h1 {
        font-size: 1.5rem;
    }

    .search-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: none;
    }

    .filter-group {
        width: 100%;
    }

    .filter-select {
        flex: 1;
    }

    .favorites-grid {
        grid-template-columns: 1fr;
    }

    .card-cover {
        height: 160px;
    }

    .modal-content {
        margin: 1rem;
    }
}

@media (max-width: 480px) {
    .card-title {
        font-size: 1rem;
    }

    .card-summary {
        font-size: 0.85rem;
    }

    .card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .meta-left {
        flex-wrap: wrap;
    }
}