/* =====================================================================
   书签页样式
   ===================================================================== */

/* ---- 页面容器 ---- */
.bookmark {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

/* =====================================================================
   搜索框
   ===================================================================== */
.bookmark__search {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

.bookmark__search-wrapper {
    display: flex;
    width: 100%;
    max-width: 560px;
    position: relative;
}

.bookmark__search-input {
    width: 100%;
    padding: 11px 48px 11px 20px;
    border-radius: 999px;                       /* 胶囊形状 */
    border: 1.5px solid var(--color-border);
    background-color: var(--color-bg-surface);
    color: var(--color-text-main);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    appearance: none;
}

.bookmark__search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

.bookmark__search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bookmark__search-btn:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-surface-alt);
}

/* 搜索联想下拉框 */
.bookmark__search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 560px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px var(--color-shadow);
    z-index: 100;
    overflow: hidden;
    display: none;
}

.bookmark__search-list {
    list-style: none;
    padding: 4px 0;
    margin: 0;
    max-height: 300px;
    overflow-y: auto;
}

.bookmark__search-item {
    padding: 10px 20px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: background-color 0.15s;
}

.bookmark__search-item:hover,
.bookmark__search-item--active {
    background-color: var(--color-bg-surface-alt);
    color: var(--color-text-main);
}

/* =====================================================================
   分类标签栏
   ===================================================================== */
.bookmark__categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.bookmark__category {
    padding: 5px 14px;
    border-radius: 999px;
    background-color: var(--color-bg-surface-alt);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.bookmark__category:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-bg-surface);
}

.bookmark__category--active {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.3);
}

.bookmark__category--active:hover {
    background-color: var(--color-primary-hover);
    color: #fff;
    border-color: var(--color-primary-hover);
}

/* =====================================================================
   操作栏（添加按钮）
   ===================================================================== */
.bookmark__actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--spacing-md);
}

.bookmark__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.bookmark__btn--primary {
    background-color: var(--color-primary);
    color: #fff;
}

.bookmark__btn--primary:hover {
    background-color: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.35);
}

/* 空状态 */
.bookmark__empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
    font-size: 1rem;
    grid-column: 1 / -1;
}

/* =====================================================================
   瀑布流网格（Masonry.js 控制布局）
   - Masonry 使用 absolute 定位，容器需要 position: relative
   - 列宽通过 .bookmark__grid-sizer 控制
   ===================================================================== */
.bookmark__grid {
    position: relative;           /* Masonry 绝对定位的锚点 */
    opacity: 0;                   /* 初始隐藏，等 Masonry 定位完成后再显示，避免单列闪烁 */
    transition: opacity 0.25s ease;
}

/* Masonry 初始化完毕后加上此类，触发淡入 */
.bookmark__grid--ready {
    opacity: 1;
}

/* 列宽基准元素（不可见，供 Masonry 的 percentPosition 使用） */
/* 4 列：gutter=20，3个间隙共60px，每列 = (100% - 60px) / 4 = 25% - 15px */
.bookmark__grid-sizer,
.bookmark-card {
    width: calc(25% - 15px);
    margin-bottom: 20px;
}

@media (max-width: 1200px) {
    /* 3 列：(100% - 40px) / 3 ≈ 33.333% - 13.333px */
    .bookmark__grid-sizer,
    .bookmark-card {
        width: calc(33.333% - 14px);
    }
}

@media (max-width: 960px) {
    /* 2 列：(100% - 20px) / 2 = 50% - 10px */
    .bookmark__grid-sizer,
    .bookmark-card {
        width: calc(50% - 10px);
    }
}

@media (max-width: 580px) {
    /* 1 列 */
    .bookmark__grid-sizer,
    .bookmark-card {
        width: 100%;
    }
}

/* =====================================================================
   书签卡片
   ===================================================================== */
.bookmark-card {
    background-color: var(--color-bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: 0 1px 4px var(--color-shadow);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}

.bookmark-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px var(--color-shadow);
    border-color: transparent;
    z-index: 1;   /* 上浮时确保覆盖相邻卡片，避免被遮住动画 */
}

/* 卡片链接区（封面图 + 标题） */
.bookmark-card__link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* 预览图 */
.bookmark-card__preview {
    width: 100%;
    height: auto;
    display: block;
    min-height: 80px;
    background-color: var(--color-bg-surface-alt);
    transition: opacity 0.3s;
}

.bookmark-card:hover .bookmark-card__preview {
    opacity: 0.92;
}

/* 内容区（图标 + 标题） */
.bookmark-card__content {
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex-grow: 1;
}

.bookmark-card__icon {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    flex-shrink: 0;
    margin-top: 2px;
}

.bookmark-card__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0;
    line-height: 1.45;
    /* 最多显示 3 行，超出截断 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.bookmark-card__link:hover .bookmark-card__title {
    color: var(--color-primary);
}

/* 底部（标签 + 编辑按钮） */
.bookmark-card__footer {
    padding: 10px 16px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    background-color: var(--color-bg-surface-alt);
}

.bookmark-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    flex: 1;
}

.bookmark-card__tag {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    padding: 2px 8px;
    border-radius: 999px;
    white-space: nowrap;
}

.bookmark-card__edit {
    color: var(--color-text-muted);
    transition: color 0.2s;
    padding: 4px;
    flex-shrink: 0;
    line-height: 1;
}

.bookmark-card__edit:hover {
    color: var(--color-primary);
}

/* =====================================================================
   表单（新增 / 编辑书签）
   ===================================================================== */
.bookmark-form {
    max-width: 780px;
    margin: var(--spacing-xl) auto;
    background: var(--color-bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 20px var(--color-shadow);
}

.bookmark-form__header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.bookmark-form__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0;
}

.bookmark-form__group {
    margin-bottom: var(--spacing-md);
}

.bookmark-form__label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.bookmark-form__input {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-border);
    background-color: var(--color-bg-surface);
    color: var(--color-text-main);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.bookmark-form__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

/* 分类复选框组 */
.bookmark-form__categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: var(--spacing-sm);
}

.bookmark-form__checkbox-wrapper {
    position: relative;
}

.bookmark-form__checkbox {
    display: none;
}

.bookmark-form__checkbox-label {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1.5px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.bookmark-form__checkbox-label:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.bookmark-form__checkbox:checked + .bookmark-form__checkbox-label {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* 表单操作按钮组 */
.bookmark-form__actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.bookmark-form__submit,
.bookmark-form__cancel,
.bookmark-form__delete {
    padding: 10px 22px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bookmark-form__submit {
    background-color: var(--color-primary);
    color: #fff;
    flex: 2;
}

.bookmark-form__submit:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.35);
}

.bookmark-form__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.bookmark-form__cancel {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-secondary);
    flex: 1;
}

.bookmark-form__cancel:hover {
    background-color: var(--color-bg-surface-alt);
    color: var(--color-text-main);
}

.bookmark-form__delete {
    background-color: transparent;
    border-color: #ef4444;
    color: #ef4444;
    flex: 1;
}

.bookmark-form__delete:hover {
    background-color: #ef4444;
    color: #fff;
}

/* =====================================================================
   移动端适配
   ===================================================================== */
@media (max-width: 600px) {
    /* 分类标签横向滚动 */
    .bookmark__categories {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .bookmark__categories::-webkit-scrollbar {
        display: none;
    }

    .bookmark__category {
        flex-shrink: 0;
    }

    /* 添加按钮全宽 */
    .bookmark__actions {
        display: block;
    }

    .bookmark__btn {
        width: 100%;
        justify-content: center;
    }

    /* 表单适配 */
    .bookmark-form {
        padding: var(--spacing-md);
        margin: var(--spacing-md) auto;
        border-radius: var(--radius-md);
    }

    .bookmark-form__actions {
        flex-direction: column;
    }

    .bookmark-form__submit,
    .bookmark-form__cancel,
    .bookmark-form__delete {
        flex: unset;
        width: 100%;
    }
}