/**
 * Slider Wrap 滑动区域样式
 * 基于参考网站设计，适配LeleWebTheme主题风格
 */

/* 滑动区域容器 */
.slider-wrap {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    background: var(--bg-white);
    margin-bottom: 2rem;
}

/* 滑动容器 */
.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 滑动项目 */
.slider-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
    transform: translateX(100%);
}

.slider-item.active {
    opacity: 1;
    transform: translateX(0);
}

.slider-item.prev {
    transform: translateX(-100%);
}

/* 滑动项目背景 */
.slider-item-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.6s ease;
}

.slider-item:hover .slider-item-bg {
    transform: scale(1.05);
}

/* 滑动项目遮罩 */
.slider-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 1;
}

/* 滑动项目内容 */
.slider-item-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    color: white;
    z-index: 2;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        transparent 100%
    );
}

/* 滑动项目分类标签 */
.slider-item-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    text-decoration: none;
}

.slider-item-category:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    color: white;
    text-decoration: none;
}

/* 推荐标签样式 */
.slider-item-recommend {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
    animation: recommendGlow 2s ease-in-out infinite alternate;
}

.slider-item-recommend i {
    font-size: 0.8rem;
    margin-right: 0.25rem;
}

/* 推荐标签动画 */
@keyframes recommendGlow {
    0% {
        box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
    }
    100% {
        box-shadow: 0 2px 8px rgba(245, 158, 11, 0.6);
    }
}

/* 滑动项目标题 */
.slider-item-title {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.slider-item:hover .slider-item-title {
    transform: translateY(-2px);
}

/* 滑动项目描述 */
.slider-item-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 滑动项目元信息 */
.slider-item-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.slider-item-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

/* 导航点 */
.slider-dots {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 3;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.slider-dot.active {
    background: white;
    transform: scale(1.2);
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
}

/* 导航箭头 */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition);
    z-index: 3;
    opacity: 0;
    visibility: hidden;
}

.slider-wrap:hover .slider-nav {
    opacity: 1;
    visibility: visible;
}

.slider-nav:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--card-hover-shadow);
}

.slider-nav.prev {
    left: 1rem;
}

.slider-nav.next {
    right: 1rem;
}

/* 进度条 */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--primary-color);
    z-index: 3;
    transition: width 0.1s linear;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .slider-wrap {
        height: 300px;
        margin-bottom: 1.5rem;
    }
    
    .slider-item-content {
        padding: 1.5rem;
    }
    
    .slider-item-title {
        font-size: 1.5rem;
    }
    
    .slider-item-description {
        font-size: 0.9rem;
        -webkit-line-clamp: 1;
    }
    
    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .slider-dots {
        bottom: 0.75rem;
        right: 0.75rem;
    }
    
    .slider-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .slider-wrap {
        height: 250px;
        border-radius: var(--border-radius);
    }
    
    .slider-item-content {
        padding: 1rem;
    }
    
    .slider-item-title {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }
    
    .slider-item-meta {
        gap: 0.75rem;
        font-size: 0.8rem;
    }
    
    .slider-nav {
        display: none;
    }
}

/* 深色模式适配 */
.dark .slider-wrap {
    background: #1f2937;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
}

.dark .slider-nav {
    background: rgba(31, 41, 55, 0.9);
    color: #f9fafb;
}

.dark .slider-nav:hover {
    background: #1f2937;
}

/* 加载动画 */
.slider-wrap.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.dark .slider-wrap.loading {
    background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
    background-size: 200% 100%;
}

/* 滑动动画效果 */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slider-item.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.slider-item.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* 暂停自动播放指示器 */
.slider-wrap.paused .slider-progress {
    animation-play-state: paused;
}

/* 触摸滑动支持 */
.slider-container.dragging {
    cursor: grabbing;
}

.slider-container.dragging .slider-item {
    transition: none;
}