/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-neon: #00ffff;
    --secondary-neon: #ff0080;
    --accent-neon: #ffff00;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --text-light: #ffffff;
    --text-dim: #cccccc;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Orbitron', monospace;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 背景效果 */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    transition: all 0.5s ease;
}

/* 背景切换按钮 */
.background-toggle-btn {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--accent-neon);
    color: var(--accent-neon);
    padding: 10px 15px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    margin-right: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.background-toggle-btn:hover {
    background: var(--accent-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--accent-neon);
    transform: scale(1.05);
}

/* 背景设置面板 */
.background-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background: var(--bg-darker);
    border-left: 1px solid var(--primary-neon);
    z-index: 1001;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.background-panel.open {
    right: 0;
}

.background-panel-header {
    padding: 20px;
    border-bottom: 1px solid var(--primary-neon);
    position: sticky;
    top: 0;
    background: var(--bg-darker);
}

.background-panel-title {
    color: var(--accent-neon);
    margin: 0;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-panel-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    margin-left: auto;
    transition: color 0.3s ease;
}

.close-panel-btn:hover {
    color: var(--secondary-neon);
}

.background-panel-content {
    padding: 20px;
}

.background-section {
    margin-bottom: 30px;
}

.background-section h3 {
    color: var(--primary-neon);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.background-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.background-option {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.background-option:hover {
    border-color: var(--primary-neon);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.background-option.active {
    border-color: var(--accent-neon);
    background: rgba(255, 255, 0, 0.1);
    box-shadow: 0 0 20px rgba(255, 255, 0, 0.3);
}

.background-option-preview {
    width: 100%;
    height: 60px;
    background-size: cover;
    background-position: center;
    border-radius: 5px;
    margin-bottom: 8px;
}

.background-option-name {
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 600;
}

/* 预设背景预览样式 */
.background-option-preview.neon-grid {
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.3) 1px, transparent 1px);
    background-size: 10px 10px;
    background-color: var(--bg-darker);
}

.background-option-preview.cyber-matrix {
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 0, 128, 0.2) 0%, transparent 50%);
    background-color: var(--bg-darker);
}

.background-option-preview.starfield {
    background: 
        radial-gradient(1px 1px at 10px 15px, var(--primary-neon), transparent),
        radial-gradient(1px 1px at 25px 35px, var(--secondary-neon), transparent),
        radial-gradient(1px 1px at 45px 20px, var(--accent-neon), transparent);
    background-size: 50px 50px;
    background-color: var(--bg-darker);
}

.background-option-preview.digital-rain {
    background: 
        linear-gradient(90deg, transparent 0%, rgba(0, 255, 255, 0.1) 50%, transparent 100%),
        linear-gradient(0deg, transparent 0%, rgba(0, 255, 255, 0.15) 50%, transparent 100%);
    background-size: 8px 30px, 30px 8px;
    background-color: var(--bg-darker);
}

.background-option-preview.faulty-terminal {
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 255, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(0, 255, 255, 0.2) 0%, transparent 40%),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 0%, transparent 50%, rgba(0, 255, 255, 0.1) 100%);
    background-size: 60px 60px, 60px 60px, 4px 100%;
    background-color: var(--bg-darker);
    animation: terminalFlicker 2s ease-in-out infinite alternate;
}

@keyframes terminalFlicker {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.custom-background-upload {
    border: 2px dashed var(--glass-border);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-background-upload:hover {
    border-color: var(--primary-neon);
    background: rgba(0, 255, 255, 0.05);
}

.custom-background-upload.dragover {
    border-color: var(--primary-neon);
    background: rgba(0, 255, 255, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--text-dim);
}

.upload-text {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.upload-btn {
    background: var(--primary-neon);
    color: var(--bg-dark);
    border: none;
    padding: 8px 16px;
    border-radius: 15px;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
}

.upload-btn:hover {
    box-shadow: 0 0 15px var(--primary-neon);
    transform: translateY(-2px);
}

.custom-background-item {
    position: relative;
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-background-item:hover {
    border-color: var(--primary-neon);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.custom-background-item.active {
    border-color: var(--accent-neon);
    box-shadow: 0 0 20px rgba(255, 255, 0, 0.3);
}

.custom-background-preview {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

.custom-background-actions {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.custom-background-item:hover .custom-background-actions {
    opacity: 1;
}

.delete-background-btn {
    background: none;
    border: none;
    color: var(--secondary-neon);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 2px;
}

.delete-background-btn:hover {
    color: var(--text-light);
}

/* 预设背景样式 */
.neon-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

.cyber-matrix {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 128, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 70%, rgba(255, 255, 0, 0.05) 0%, transparent 50%);
    animation: matrixPulse 4s ease-in-out infinite alternate;
}

.starfield {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(2px 2px at 20px 30px, var(--primary-neon), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--secondary-neon), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--accent-neon), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--primary-neon), transparent),
        radial-gradient(2px 2px at 160px 30px, var(--secondary-neon), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: starMove 20s linear infinite;
}

.digital-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, transparent 0%, rgba(0, 255, 255, 0.03) 50%, transparent 100%),
        linear-gradient(0deg, transparent 0%, rgba(0, 255, 255, 0.05) 50%, transparent 100%);
    background-size: 20px 100px, 100px 20px;
    animation: rainFall 3s linear infinite;
}

/* 自定义背景图片 */
.custom-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.3;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-particles::before,
.floating-particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-neon);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-neon);
    animation: float 8s ease-in-out infinite;
}

.floating-particles::before {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-particles::after {
    top: 60%;
    right: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-40px) translateX(-10px); }
    75% { transform: translateY(-20px) translateX(5px); }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

@keyframes matrixPulse {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

@keyframes starMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

@keyframes rainFall {
    0% { transform: translateY(-100px); }
    100% { transform: translateY(100px); }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部 */
.header {
    padding: 40px 0;
    text-align: center;
}

.header-top {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
}

.logo {
    font-size: 3.5rem;
    font-weight: 900;
    margin: 0;
    display: inline-block;
}

.header-actions {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-link {
    color: var(--accent-neon);
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 16px;
    border: 1px solid var(--accent-neon);
    border-radius: 20px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-link:hover {
    background: var(--accent-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--accent-neon);
    transform: translateY(-2px);
}

.neon-text {
    color: #00ffff;
    position: relative;
    display: inline-block;
    background: linear-gradient(
        120deg,
        #00ffff 0%,
        #00ffff 40%,
        #ffffff 50%,
        #00ffff 60%,
        #00ffff 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 3s linear infinite;
}

.world-text {
    color: #ff0080;
    position: relative;
    display: inline-block;
    background: linear-gradient(
        120deg,
        #ff0080 0%,
        #ff0080 40%,
        #ffffff 50%,
        #ff0080 60%,
        #ff0080 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 3.5s linear infinite;
}

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

.subtitle {
    display: none;
}

/* 导航 */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.back-btn {
    color: var(--primary-neon);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 20px;
    border: 1px solid var(--primary-neon);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: var(--primary-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--primary-neon);
    transform: translateY(-2px);
}

.theme-title {
    font-size: 2rem;
    color: var(--text-light);
}

/* 主要内容 */
.main {
    padding: 10px 0;
    min-height: 70vh;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px;
    background: transparent;
    border: 1px solid var(--primary-neon);
    border-radius: 15px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--accent-neon);
    text-shadow: 0 0 10px var(--accent-neon);
}

.theme-count,
.image-count {
    font-size: 1.1rem;
    color: var(--text-dim);
    padding: 10px 20px;
    background: transparent;
    border-radius: 20px;
    border: 1px solid var(--primary-neon);
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 60px 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 255, 255, 0.3);
    border-top: 3px solid var(--primary-neon);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 主题网格 */
.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.theme-card {
    background: transparent;
    border: 1px solid var(--primary-neon);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    aspect-ratio: 9/16; /* 抖音样式的竖屏比例 */
    display: flex;
    flex-direction: column;
}

.theme-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 255, 255, 0.3),
        0 0 20px rgba(0, 255, 255, 0.5);
    border-color: var(--primary-neon);
}

.theme-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    flex: 1;
}

.theme-card:hover .theme-cover {
    transform: scale(1.05);
}

.theme-info {
    padding: 15px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    border-top: 1px solid var(--glass-border);
}

.theme-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.theme-count-text {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.theme-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 128, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.theme-card:hover .theme-overlay {
    opacity: 1;
}

/* 图片网格 */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.image-card {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--primary-neon);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    aspect-ratio: 9/16; /* 抖音样式的竖屏比例 */
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 0, 128, 0.3);
    border-color: var(--secondary-neon);
}

.image-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center; /* 确保图片居中显示 */
    transition: transform 0.3s ease;
}

.image-card:hover .image-thumbnail {
    transform: scale(1.1);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 1000px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.modal-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.3);
    display: block;
    margin: 0 auto;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--text-light);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--secondary-neon);
    text-shadow: 0 0 10px var(--secondary-neon);
}

.modal-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
}

.nav-btn {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--primary-neon);
    color: var(--text-light);
    font-size: 30px;
    padding: 15px 20px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--primary-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--primary-neon);
}

.image-info {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px 30px;
    border-radius: 25px;
    border: 1px solid var(--primary-neon);
}

.image-name {
    margin-bottom: 5px;
    font-weight: 600;
}

.image-counter {
    color: var(--text-dim);
    font-size: 0.9rem;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .header-actions {
        position: static;
        transform: none;
        margin-top: 20px;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    /* 移动端背景设置按钮调整 */
    .background-settings-btn {
        top: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    /* 移动端背景面板调整 */
    .background-panel {
        width: 100vw;
        right: -100vw;
    }
    
    .background-panel.open {
        right: 0;
    }
    
    .background-panel-content {
        padding: 15px;
    }
    
    .background-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .background-option {
        min-height: 100px;
    }
    
    .background-option-preview {
        height: 80px;
    }
    
    .themes-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 15px;
    }
    
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .gallery-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .modal-content {
        padding: 10px;
    }
    
    .modal-nav {
        padding: 0 10px;
    }
    
    .nav-btn {
        font-size: 20px;
        padding: 10px 15px;
    }
}

/* 隐藏类 - 确保最高优先级 */
.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* 图片管理功能样式 */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.gallery-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--primary-neon);
    color: var(--text-light);
    padding: 12px 20px;
    border-radius: 25px;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.action-btn:hover {
    background: var(--primary-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--primary-neon);
    transform: translateY(-2px);
}

.action-btn.manage-btn:hover {
    background: var(--secondary-neon);
    box-shadow: 0 0 20px var(--secondary-neon);
}

/* 上传区域样式 */
.upload-area {
    margin-bottom: 30px;
    animation: slideDown 0.3s ease;
}

.upload-box {
    background: rgba(0, 0, 0, 0.8);
    border: 2px dashed var(--glass-border);
    border-radius: 15px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-box:hover,
.upload-box.dragover {
    border-color: var(--primary-neon);
    background: rgba(0, 255, 255, 0.05);
    transform: scale(1.02);
}

.upload-box .upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--text-dim);
}

.upload-box h3 {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.upload-box p {
    color: var(--text-dim);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.select-files-btn {
    background: var(--primary-neon);
    color: var(--bg-dark);
    border: none;
    padding: 12px 24px;
    border-radius: 20px;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.select-files-btn:hover {
    box-shadow: 0 0 20px var(--primary-neon);
    transform: translateY(-2px);
}

/* 上传进度样式 */
.upload-progress {
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

#progressText {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* 图片项删除按钮 */
.image-item {
    position: relative;
}

.image-item.manage-mode::after {
    content: '🗑️';
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 0, 128, 0.9);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
}

.image-item.manage-mode:hover::after {
    opacity: 1;
    transform: scale(1);
}

.image-item.manage-mode::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 0, 128, 0.2);
    border-radius: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-item.manage-mode:hover::before {
    opacity: 1;
}

/* 模态框样式增强 */
.modal-content.small {
    max-width: 400px;
    padding: 30px;
    text-align: center;
}

.modal-content.small h3 {
    color: var(--accent-neon);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.modal-content.small p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.btn-secondary {
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-light);
    border: 1px solid var(--primary-neon);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--bg-dark);
}

.btn-danger {
    background: var(--secondary-neon);
    color: var(--text-light);
}

.btn-danger:hover {
    box-shadow: 0 0 20px var(--secondary-neon);
    transform: translateY(-2px);
}

/* 消息提示样式 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--primary-neon);
    color: var(--text-light);
    padding: 15px 25px;
    border-radius: 25px;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    z-index: 2000;
    transition: all 0.3s ease;
    opacity: 0;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--primary-neon);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.toast.error {
    border-color: var(--secondary-neon);
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.3);
}

/* 管理员状态样式 */
.admin-panel-btn {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--accent-neon);
    color: var(--accent-neon);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-panel-btn:hover {
    background: var(--accent-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--accent-neon);
    transform: translateY(-2px);
}

.admin-status {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--primary-neon);
    border-radius: 20px;
    padding: 8px 16px;
}

.admin-indicator {
    color: var(--primary-neon);
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    font-size: 0.85rem;
    text-shadow: 0 0 10px var(--primary-neon);
}

.admin-logout-btn {
    background: transparent;
    border: 1px solid var(--secondary-neon);
    color: var(--secondary-neon);
    padding: 4px 12px;
    border-radius: 15px;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.admin-logout-btn:hover {
    background: var(--secondary-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--secondary-neon);
}

.admin-links {
    display: flex;
    gap: 10px;
    align-items: center;
}

.admin-links .admin-link {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--primary-neon);
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-links .admin-link:hover {
    background: var(--accent-neon);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--accent-neon);
    transform: translateY(-2px);
}

/* 动画 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 修复黑色背景条问题 - 确保所有容器透明 */
.main,
.container,
.masonry-grid,
.masonry-item-wrapper,
.chroma-grid-container,
.chroma-grid,
.chroma-card,
.chroma-info,
.loading,
.gallery-header,
.theme-info,
.gallery-actions {
    background: transparent !important;
}


/* 3D Pin Container */
.pin-container {
    position: relative;
    width: 600px;
    height: 450px;
    margin: 20px auto 30px;
    z-index: 50;
    pointer-events: none;
    isolation: isolate;
    transform: translateZ(0);
    will-change: transform;
}

.pin-container .pin-wrapper {
    pointer-events: auto;
}

@media (max-width: 768px) {
    .pin-container {
        width: 450px;
        height: 340px;
        margin: 15px auto 25px;
    }
}

@media (max-width: 480px) {
    .pin-container {
        width: 320px;
        height: 240px;
        margin: 10px auto 20px;
    }
}