/* ==========================================================================
   春节记忆页面样式 - 全新设计
   ========================================================================== */

/* 全局设置 */
.memories-page {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Noto Serif SC', sans-serif;
    background: #fff; /* 改为白色背景 */
    color: #333; /* 改为深色文字 */
    overflow-x: hidden;
}

/* 动态背景 */
.memories-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        #ffecd2 0%,
        #fcb69f 25%,
        #ff9a9e 50%,
        #fecfef 75%,
        #ffd1dc 100%
    );
    animation: gradientShift 20s ease-in-out infinite;
}

@keyframes gradientShift {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* 粒子效果 */
.particles-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(255, 107, 107, 0.7); /* 温暖的红色 */
    border-radius: 50%;
    animation: float 15s infinite linear;
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.3);
}

.particle:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
    background: rgba(255, 107, 107, 0.7); /* 红色粒子 */
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.3);
}
.particle:nth-child(2) {
    left: 40%;
    animation-delay: 3s;
    background: rgba(255, 99, 132, 0.7); /* 粉红色粒子 */
    box-shadow: 0 0 8px rgba(255, 99, 132, 0.3);
}
.particle:nth-child(3) {
    left: 60%;
    animation-delay: 6s;
    background: rgba(255, 159, 243, 0.7); /* 紫粉色粒子 */
    box-shadow: 0 0 8px rgba(255, 159, 243, 0.3);
}
.particle:nth-child(4) {
    left: 80%;
    animation-delay: 9s;
    background: rgba(252, 182, 159, 0.7); /* 橙色粒子 */
    box-shadow: 0 0 8px rgba(252, 182, 159, 0.3);
}
.particle:nth-child(5) {
    left: 90%;
    animation-delay: 12s;
    background: rgba(255, 154, 158, 0.7); /* 粉色粒子 */
    box-shadow: 0 0 8px rgba(255, 154, 158, 0.3);
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 主容器 */
.memories-wrapper {
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* 头部区域 */
.memories-header {
    padding: 60px 20px 40px;
    text-align: center;
    position: relative;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.title-section {
    flex: 1;
    text-align: left;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, #ffd700, #ff6347, #dc143c, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 20px;
    animation: titleGlow 3s ease-in-out infinite;
}

.title-icon {
    font-size: 4rem;
    filter: drop-shadow(0 0 20px #ffd700);
    animation: iconSpin 10s linear infinite;
}

@keyframes titleGlow {
    0%,
    100% {
        filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(255, 215, 0, 0.8));
    }
}

@keyframes iconSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.subtitle {
    font-size: 1.2rem;
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    letter-spacing: 2px;
}

.header-controls {
    display: flex;
    gap: 15px;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(220, 20, 60, 0.2); /* 红色背景 */
    border: 2px solid rgba(255, 215, 0, 0.7); /* 金色边框 */
    border-radius: 50px;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.back-btn:hover {
    background: rgba(255, 215, 0, 0.3); /* 悬停时金色背景 */
    border-color: #ffd700;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
}

/* 主内容区域 */
.memories-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 排序控制 */
.sort-section {
    margin-bottom: 40px;
}

.sort-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px 30px;
    background: rgba(220, 20, 60, 0.15); /* 红色背景 */
    border-radius: 20px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 215, 0, 0.4); /* 金色边框 */
    box-shadow: 0 8px 32px rgba(220, 20, 60, 0.3); /* 红色阴影 */
}

.sort-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    color: #ffd700; /* 金色文字 */
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5); /* 金色发光 */
}

.sort-icon {
    font-size: 1.3rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.sort-selector {
    padding: 12px 20px;
    background: rgba(139, 0, 0, 0.7); /* 深红色背景 */
    border: 2px solid rgba(255, 215, 0, 0.6); /* 金色边框 */
    border-radius: 15px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    min-width: 180px;
    outline: none;
}

.sort-selector:hover {
    border-color: #ffd700; /* 悬停时更亮的金色边框 */
    background: rgba(220, 20, 60, 0.8); /* 悬停时较亮的红色背景 */
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.sort-selector:focus {
    border-color: #ffd700;
    box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.3);
}

.sort-selector option {
    background: #1a1a2e;
    color: #fff;
    padding: 10px;
}

/* 记忆展示区 */
.memories-showcase {
    min-height: 400px;
}

.memories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

/* 空状态 */
.empty-memories {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.empty-memories::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 215, 0, 0.1),
        transparent
    );
    animation: shimmer 3s infinite;
}

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

.empty-visual {
    position: relative;
    margin-bottom: 30px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    filter: grayscale(50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.empty-sparkles {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.empty-sparkles span {
    font-size: 1.5rem;
    animation: twinkle 1.5s infinite;
}

.empty-sparkles span:nth-child(1) {
    animation-delay: 0s;
}
.empty-sparkles span:nth-child(2) {
    animation-delay: 0.5s;
}
.empty-sparkles span:nth-child(3) {
    animation-delay: 1s;
}

@keyframes twinkle {
    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.empty-title {
    font-size: 2rem;
    margin: 0 0 15px 0;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.empty-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-weight: 300;
}

/* 记忆项样式 */
.memory-item {
    background: rgba(220, 20, 60, 0.1); /* 淡红色背景 */
    border-radius: 20px;
    padding: 20px;
    border: 1px solid rgba(255, 215, 0, 0.3); /* 金色边框 */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.memory-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(220, 20, 60, 0.3); /* 红色阴影 */
    border-color: rgba(255, 215, 0, 0.7); /* 悬停时更亮的金色边框 */
    background: rgba(255, 215, 0, 0.1); /* 悬停时金色背景 */
}

/* 照片项样式 */
.memory-item.photo-item .photo-container {
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 15px;
}

.memory-item.photo-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.memory-item.photo-item:hover img {
    transform: scale(1.05);
}

/* 视频项样式 */
.memory-item.video-item .video-container {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 15px;
    background: #000;
}

.memory-item.video-item video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

/* 文字项样式 */
.memory-item.text-item .text-content {
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    margin-bottom: 15px;
    border-left: 4px solid #ffd700;
}

.memory-item.text-item .text-content p {
    margin: 0;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
}

/* 记忆信息 */
.memory-info {
    color: rgba(255, 255, 255, 0.9);
}

.memory-title {
    font-size: 1.2rem;
    margin: 0 0 8px 0;
    color: #ffd700;
    font-weight: 600;
}

.memory-date {
    font-size: 0.9rem;
    margin: 0 0 10px 0;
    color: #cc5500; /* 深橙色，与春节主题相配 */
    font-weight: 400;
}

.memory-desc {
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
    color: #666; /* 深灰色，适合白底背景阅读 */
}

/* 底部导航 */
.memories-footer {
    margin-top: 60px;
    padding: 40px 20px 30px;
    background: rgba(139, 0, 0, 0.3); /* 深红色背景 */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 2px solid rgba(255, 215, 0, 0.3); /* 金色上边框 */
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 25px;
    border-radius: 20px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    color: #ffd700; /* 金色文字 */
    background: rgba(220, 20, 60, 0.2); /* 红色背景 */
    border-color: rgba(255, 215, 0, 0.5); /* 金色边框 */
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.3); /* 金色阴影 */
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-text {
    font-size: 0.9rem;
    font-weight: 500;
}

.footer-text {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    font-weight: 300;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .title-icon {
        font-size: 3rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .title-section {
        text-align: center;
    }

    .sort-container {
        flex-direction: column;
        gap: 15px;
    }

    .memories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-nav {
        gap: 20px;
    }

    .nav-item {
        padding: 12px 20px;
    }
}

@media (max-width: 480px) {
    .memories-header {
        padding: 40px 15px 30px;
    }

    .memories-main {
        padding: 0 15px;
    }

    .main-title {
        font-size: 2rem;
    }

    .sort-selector {
        min-width: 150px;
    }

    .footer-nav {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .nav-item {
        width: 200px;
        justify-content: center;
    }
}

/* ==========================================================================
   用户上传内容样式
   ========================================================================== */

/* 上传标识徽章 */
.upload-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: linear-gradient(135deg, #4caf50, #45a049);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75em;
    font-weight: 500;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

/* 用户上传的记忆项样式区分 */
.memory-item.upload-item {
    border-left: 4px solid #4caf50;
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.1);
}

.memory-item.upload-item:hover {
    box-shadow: 0 8px 30px rgba(76, 175, 80, 0.2);
    transform: translateY(-2px);
}

/* 存储位置信息 */
.memory-source {
    font-size: 0.8em;
    color: #666;
    margin: 8px 0 0 0;
    padding: 4px 8px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 6px;
    border-left: 3px solid #4caf50;
}

/* 预设内容样式 */
.memory-item.preset-item {
    border-left: 4px solid #d4af37;
}

.memory-item.preset-item:hover {
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.2);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .upload-badge {
        font-size: 0.7em;
        padding: 3px 6px;
    }

    .memory-source {
        font-size: 0.75em;
        padding: 3px 6px;
    }
}