* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow: hidden;
    height: 100%;
    background: url(../images/background.jpg);
    background-size: cover;
}

.title {
    color: rgb(0, 255, 255);
    text-align: center;
    font-size: 40px;
    padding-top: 20px;
}

/* 编辑按钮 */
.edit-btn {
    position: fixed;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: #fff;
    font-size: 11px;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
}

.edit-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.edit-btn svg {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
}

/* 下载按钮 */
.download-btn {
    position: fixed;
    top: 10px;
    right: 70px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: #fff;
    font-size: 11px;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.download-btn svg {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
}

/* 弹窗遮罩 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

/* 弹窗 */
.modal {
    background: rgba(20, 20, 35, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    width: 280px;
    max-height: 70vh;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* 设置区域 */
.setting-section {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.setting-section label {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 10px;
    margin-bottom: 6px;
}

.text-input {
    width: 100%;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    outline: none;
}

.text-input:focus {
    border-color: rgba(0, 200, 255, 0.5);
}

.audio-upload {
    display: flex;
    align-items: center;
    gap: 8px;
}

.audio-upload span {
    flex: 1;
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.audio-upload input {
    display: none;
}

.btn-small {
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    color: #fff;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-small:hover {
    background: rgba(255, 255, 255, 0.15);
}

.modal-header h2 {
    color: #fff;
    font-size: 12px;
    font-weight: 500;
}

.close-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: rgba(255, 100, 100, 0.3);
}

.modal-body {
    padding: 12px;
    max-height: 50vh;
    overflow-y: auto;
}

.layer-section {
    margin-bottom: 12px;
}

.layer-section:last-child {
    margin-bottom: 0;
}

.layer-section h3 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 6px;
}

/* 图片网格 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}

.grid-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 4px;
    overflow: hidden;
    cursor: grab;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.grid-item:hover {
    border-color: rgba(0, 255, 255, 0.5);
}

.grid-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.grid-item.drag-over {
    border-color: #ff6b9d;
    border-style: dashed;
}

.preview-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.face-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2px;
    background: linear-gradient(transparent, rgba(0,0,0,0.6));
    color: rgba(255, 255, 255, 0.7);
    font-size: 9px;
    text-align: center;
}

.grid-item input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 9px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.grid-item:hover .upload-overlay {
    opacity: 1;
}

/* 弹窗底部 */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn {
    padding: 5px 12px;
    border: none;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-primary {
    background: rgba(0, 200, 255, 0.8);
    color: #000;
    font-weight: 500;
}

.btn-primary:hover {
    background: rgba(0, 200, 255, 1);
}

/* 立方体样式 - 放大版 */
.cube {
    position: relative;
    margin: 0 auto;
    margin-top: 15%;
    width: 300px;
    height: 300px;
    transform: rotateX(-30deg) rotateY(-80deg);
    transform-style: preserve-3d;
    animation: rotate 15s infinite linear;
}

.cube .outer-cube,
.cube .inner-cube {
    transform-style: preserve-3d;
}

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

/* 外层立方体 - 放大到300px */
.outer-cube .outer-top,
.outer-cube .outer-bottom,
.outer-cube .outer-right,
.outer-cube .outer-left,
.outer-cube .outer-front,
.outer-cube .outer-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 300px;
    height: 300px;
    border: 1px solid #fff;
    opacity: 0.85;
    transition: all .9s;
}

.outer-cube img {
    width: 300px;
    height: 300px;
    object-fit: cover;
}

.outer-top { transform: rotateX(90deg) translateZ(150px); }
.outer-bottom { transform: rotateX(-90deg) translateZ(150px); }
.outer-front { transform: rotateY(0deg) translateZ(150px); }
.outer-back { transform: translateZ(-150px) rotateY(180deg); }
.outer-left { transform: rotateY(90deg) translateZ(150px); }
.outer-right { transform: rotateY(-90deg) translateZ(150px); }

/* 内层立方体 - 放大到200px */
.inner-cube > div {
    position: absolute;
    top: 50px;
    left: 50px;
    width: 200px;
    height: 200px;
}

.inner-cube img {
    width: 200px;
    height: 200px;
    object-fit: cover;
}

.inner-top { transform: rotateX(90deg) translateZ(100px); }
.inner-bottom { transform: rotateX(-90deg) translateZ(100px); }
.inner-front { transform: rotateY(0deg) translateZ(100px); }
.inner-back { transform: translateZ(-100px) rotateY(180deg); }
.inner-left { transform: rotateY(90deg) translateZ(100px); }
.inner-right { transform: rotateY(-90deg) translateZ(100px); }

/* 悬停展开效果 - 调整展开距离 */
.cube:hover .outer-top { opacity: 1; transform: rotateX(90deg) translateZ(280px); }
.cube:hover .outer-bottom { opacity: 1; transform: rotateX(-90deg) translateZ(280px); }
.cube:hover .outer-front { opacity: 1; transform: rotateY(0deg) translateZ(280px); }
.cube:hover .outer-back { opacity: 1; transform: translateZ(-280px) rotateY(180deg); }
.cube:hover .outer-left { opacity: 1; transform: rotateY(90deg) translateZ(280px); }
.cube:hover .outer-right { opacity: 1; transform: rotateY(-90deg) translateZ(280px); }

/* 提示信息 */
.message {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
}

.message .tip {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* 音乐控制按钮 */
.music-btn {
    position: fixed;
    top: 10px;
    left: 10px;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.music-btn.playing {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3); }
    50% { box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .title {
        font-size: 28px;
        padding-top: 15px;
    }
    
    .cube {
        margin-top: 20%;
        transform: scale(0.8);
    }
    
    .edit-btn, .download-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .download-btn {
        right: 70px;
    }
    
    .message .tip {
        font-size: 12px;
        padding: 0 15px;
    }
    
    .modal {
        width: 90%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 22px;
    }
    
    .cube {
        margin-top: 25%;
        transform: scale(0.6);
    }
    
    .edit-btn, .download-btn {
        padding: 5px 8px;
        font-size: 10px;
        gap: 3px;
    }
    
    .edit-btn svg, .download-btn svg {
        width: 12px;
        height: 12px;
    }
    
    .download-btn {
        right: 60px;
    }
    
    .music-btn {
        width: 28px;
        height: 28px;
    }
    
    .message {
        bottom: 10px;
    }
    
    .message .tip {
        font-size: 10px;
    }
}


/* 友情链接 */
.friend-links {
    position: fixed;
    bottom: 5px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 50;
}

.friend-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    text-decoration: none;
    margin: 0 8px;
    transition: color 0.3s;
}

.friend-links a:hover {
    color: rgba(0, 255, 255, 0.8);
}