/* 液体玻璃风格样式 */

/* 全局样式 */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 动态背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 199, 200, 0.3) 0%, transparent 50%);
    animation: backgroundShift 10s ease-in-out infinite;
    z-index: -1;
}

@keyframes backgroundShift {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* iPhone 风格容器 - 液体玻璃效果 */
.phone-container {
    width: 320px;
    height: 694px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 40px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 8px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.phone-container:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.2),
        0 15px 30px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* 刘海样式 */
.phone-container::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 5px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 3px;
    backdrop-filter: blur(5px);
}

.phone-header {
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 0;
    margin-bottom: 8px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 状态栏样式 */
.status-bar {
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.status-left {
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 液体玻璃卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.85);
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 14px 24px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, rgba(102, 126, 234, 1) 0%, rgba(118, 75, 162, 1) 100%);
}

.btn-secondary {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #6c757d;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 12px 20px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary:hover {
    background: rgba(233, 236, 239, 0.9);
    color: #495057;
    transform: translateY(-1px);
}

/* 进度条样式 */
.progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(240, 240, 240, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 5px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: progressShine 2s ease-in-out infinite;
}

@keyframes progressShine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 列表项样式 */
.list-item {
    display: flex;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid rgba(240, 240, 240, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.list-item::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.list-item:hover::before {
    left: 100%;
}

.list-item:hover {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(5px);
}

.list-item:last-child {
    border-bottom: none;
}

/* 媒体网格样式 */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    padding: 16px;
}

.media-item {
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.media-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.media-item:hover img {
    transform: scale(1.1);
}

.media-item .checkbox {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.media-item .checkbox:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

/* 圆形图标容器 */
.icon-container {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-container:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .phone-container {
        width: 300px;
        height: 650px;
        margin: 10px;
    }
    
    .phone-screen {
        height: 560px;
    }
}

/* 额外的液体玻璃效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-effect-dark {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 流体动画 */
.fluid-animation {
    animation: fluid 8s ease-in-out infinite;
}

@keyframes fluid {
    0%, 100% { border-radius: 20px; }
    25% { border-radius: 25px 15px 20px 30px; }
    50% { border-radius: 15px 25px 30px 20px; }
    75% { border-radius: 30px 20px 15px 25px; }
}