/* 现代化底部和侧边栏样式 */

/* 侧边栏 */
.sidebar {
    width: 300px;
    float: right;
    margin-left: 20px;
}

.sidebar .widget {
    background: var(--dark-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    padding: 20px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.sidebar .widget:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.sidebar .widget h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar .widget ul {
    list-style: none;
}

.sidebar .widget ul li {
    margin-bottom: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--dark-border);
}

.sidebar .widget ul li:last-child {
    border-bottom: none;
}

.sidebar .widget ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar .widget ul li a:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

/* 底部 */
.footer {
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary-gradient);
}

.footer .container {
    padding: 40px 20px 20px;
}

/* 底部小部件 */
.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-widget {
    background: var(--dark-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.footer-widget:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.footer-widget h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget ul li {
    margin-bottom: 8px;
}

.footer-widget ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-widget ul li a:hover {
    color: var(--text-primary);
}

/* 友情链接 */
.footer-links {
    margin-bottom: 20px;
    padding: 20px;
    background: var(--dark-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.footer-links ul {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    list-style: none;
}

.footer-links ul li:first-child {
    color: var(--text-primary);
    font-weight: 600;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 15px;
    border: 1px solid var(--dark-border);
    transition: var(--transition);
    font-size: 12px;
}

.footer-links ul li a:hover {
    color: var(--text-primary);
    border-color: rgba(102, 126, 234, 0.5);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

/* 版权信息 */
.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    padding: 20px 0;
    border-top: 1px solid var(--dark-border);
}

.copyright a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.copyright a:hover {
    color: var(--text-primary);
}

/* 右侧工具栏 */
.rollbar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.rollbar ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rollbar li {
    position: relative;
}

.rollbar a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--dark-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.rollbar a:hover {
    background: var(--primary-gradient);
    color: var(--text-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
}

.rollbar .icon {
    font-size: 20px;
}

.rollbar h6 {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-small);
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.rollbar h6::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 6px solid var(--dark-card);
}

.rollbar li:hover h6 {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

/* 移动端底部导航 */
.footer-fixed-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-card);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--dark-border);
    display: none;
    z-index: 1000;
    transition: var(--transition);
}

.footer-fixed-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-fixed-nav a:hover,
.footer-fixed-nav a.active {
    color: var(--text-primary);
    background: rgba(102, 126, 234, 0.1);
}

.footer-fixed-nav .icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.footer-fixed-nav span {
    font-size: 11px;
}

/* 签到按钮特效 */
.day-checkin.active {
    background: var(--accent-gradient) !important;
    animation: checkinPulse 2s infinite;
}

@keyframes checkinPulse {
    0% { box-shadow: 0 0 0 0 rgba(79, 172, 254, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(79, 172, 254, 0); }
    100% { box-shadow: 0 0 0 0 rgba(79, 172, 254, 0); }
}

/* 夜间模式切换 */
.theme_night.active {
    background: var(--secondary-gradient) !important;
    color: var(--text-primary) !important;
}

/* VIP升级按钮 */
.rollbar .vip-li a {
    background: linear-gradient(45deg, #fbb715, #f0b90b);
    color: var(--text-primary);
    animation: vipGlow 2s ease-in-out infinite alternate;
}

@keyframes vipGlow {
    0% { box-shadow: 0 0 5px rgba(251, 183, 21, 0.5); }
    100% { box-shadow: 0 0 20px rgba(251, 183, 21, 0.8); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .footer-fixed-nav {
        display: flex;
    }
    
    .rollbar {
        right: 10px;
    }
    
    .rollbar a {
        width: 40px;
        height: 40px;
    }
    
    .rollbar .icon {
        font-size: 16px;
    }
    
    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-links ul {
        justify-content: center;
    }
}