/**
 * 自定义页头页脚样式
 * Custom Header & Footer Styles
 * 
 * 使用主题现有的颜色方案和变量
 * Colors based on Darkstar theme variables
 */

/* CSS变量定义 */
:root {
    /* 主题颜色 - 基于darkstar主题 */
    --custom-primary-color: #8115ff;
    --custom-secondary-color: #ff2ad0;
    --custom-accent-color: #ff8f2a;
    --custom-warning-color: #ffa911;
    
    /* 深色调 */
    --custom-dark-1: #000000;
    --custom-dark-2: #030303;
    --custom-dark-3: #0A0A0A;
    --custom-dark-4: #242424;
    --custom-dark-5: #282A2D;
    --custom-dark-6: #18191a;
    --custom-dark-7: #101314;
    --custom-saturated-dark-1: #0f1721;
    --custom-saturated-dark-2: #253243;
    
    /* 文本颜色 */
    --custom-text-primary: #FFFFFF;
    --custom-text-secondary: #c6c6c6;
    --custom-text-muted: rgba(255,255,255,0.7);
    
    /* 分隔线颜色 */
    --custom-divider: rgba(255,255,255,0.11);
    --custom-divider-bright: rgba(255,255,255,0.16);
    
    /* 过渡效果 */
    --custom-transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    --custom-transition-fast: all 0.2s ease-out;
    --custom-transition-slow: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* 阴影效果 */
    --custom-shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --custom-shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --custom-shadow-heavy: 0 8px 30px rgba(0,0,0,0.2);
    --custom-glow-primary: 0 0 20px rgba(129, 21, 255, 0.3);
    --custom-glow-secondary: 0 0 20px rgba(255, 42, 208, 0.3);
    
    /* 边框半径 */
    --custom-radius-small: 6px;
    --custom-radius-medium: 12px;
    --custom-radius-large: 20px;
    --custom-radius-full: 50px;
    
    /* 间距 */
    --custom-spacing-xs: 0.5rem;
    --custom-spacing-sm: 1rem;
    --custom-spacing-md: 1.5rem;
    --custom-spacing-lg: 2rem;
    --custom-spacing-xl: 3rem;
}

/* ========================================
   自定义页头样式
======================================== */

.darkstar-custom-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: linear-gradient(135deg, var(--custom-dark-1) 0%, var(--custom-dark-3) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--custom-divider);
    transition: var(--custom-transition-slow);
    transform: translateY(0);
}

.darkstar-custom-header.header-scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    box-shadow: var(--custom-shadow-medium);
    border-bottom-color: var(--custom-divider-bright);
}

.darkstar-custom-header.header-hidden {
    transform: translateY(-100%);
}

.custom-nav-container {
    position: relative;
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 var(--custom-spacing-lg);
}

.custom-nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    position: relative;
}

/* Logo区域 */
.custom-logo-container {
    flex-shrink: 0;
    z-index: 10001;
}

.custom-logo-link,
.custom-site-title {
    display: inline-block;
    color: var(--custom-text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--custom-primary-color), var(--custom-secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--custom-transition);
    position: relative;
}

.custom-logo-link:hover,
.custom-site-title:hover {
    transform: scale(1.05);
    filter: drop-shadow(var(--custom-glow-primary));
}

.custom-logo-img {
    max-height: 50px;
    width: auto;
    transition: var(--custom-transition);
}

/* 主导航菜单 */
.custom-menu-container {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.custom-nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--custom-spacing-sm);
}

.custom-menu-item {
    position: relative;
}

.custom-menu-link {
    display: flex;
    align-items: center;
    padding: var(--custom-spacing-sm) var(--custom-spacing-md);
    color: var(--custom-text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    border-radius: var(--custom-radius-full);
    transition: var(--custom-transition);
    position: relative;
    overflow: hidden;
    background: transparent;
    border: 2px solid transparent;
}

.custom-menu-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--custom-primary-color), var(--custom-secondary-color));
    opacity: 0;
    border-radius: var(--custom-radius-full);
    transition: var(--custom-transition);
    z-index: -1;
}

.custom-menu-link:hover {
    color: var(--custom-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--custom-shadow-medium);
}

.custom-menu-link:hover::before {
    opacity: 1;
}

.custom-menu-link:active {
    transform: translateY(0);
}

/* 子菜单指示器 */
.custom-submenu-indicator {
    margin-left: var(--custom-spacing-xs);
    transition: var(--custom-transition);
    font-size: 0.8em;
}

.custom-menu-item:hover .custom-submenu-indicator {
    transform: rotate(180deg);
    color: var(--custom-accent-color);
}

/* 子菜单样式 */
.custom-sub-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 220px;
    background: linear-gradient(145deg, var(--custom-dark-5), var(--custom-dark-4));
    border-radius: var(--custom-radius-medium);
    box-shadow: var(--custom-shadow-heavy);
    border: 1px solid var(--custom-divider-bright);
    padding: var(--custom-spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--custom-transition);
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.custom-menu-item:hover > .custom-sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-sub-menu .custom-menu-item {
    width: 100%;
}

.custom-sub-menu .custom-menu-link {
    width: 100%;
    padding: var(--custom-spacing-sm);
    border-radius: var(--custom-radius-small);
    margin-bottom: 2px;
    border: none;
}

.custom-sub-menu .custom-menu-link:hover {
    background: linear-gradient(135deg, var(--custom-accent-color), var(--custom-warning-color));
    transform: translateX(5px);
}

/* 三级子菜单 */
.custom-sub-sub-menu {
    position: absolute;
    top: 0;
    left: calc(100% + 10px);
    min-width: 200px;
    background: linear-gradient(145deg, var(--custom-saturated-dark-1), var(--custom-saturated-dark-2));
    border-radius: var(--custom-radius-medium);
    box-shadow: var(--custom-shadow-heavy);
    border: 1px solid var(--custom-divider-bright);
    padding: var(--custom-spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: var(--custom-transition);
    backdrop-filter: blur(10px);
}

.custom-second-level:hover > .custom-sub-sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.custom-sub-sub-menu .custom-menu-link:hover {
    background: linear-gradient(135deg, var(--custom-secondary-color), var(--custom-primary-color));
}

/* 移动端菜单切换 */
.custom-mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 10001;
    padding: var(--custom-spacing-sm);
    border-radius: var(--custom-radius-small);
    transition: var(--custom-transition);
}

.custom-mobile-toggle:hover {
    background: var(--custom-dark-4);
    transform: scale(1.1);
}

.custom-hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.custom-hamburger-line {
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, var(--custom-primary-color), var(--custom-secondary-color));
    border-radius: var(--custom-radius-small);
    transition: var(--custom-transition);
}

.custom-mobile-toggle.active .custom-hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.custom-mobile-toggle.active .custom-hamburger-line:nth-child(2) {
    opacity: 0;
}

.custom-mobile-toggle.active .custom-hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   自定义页脚样式
======================================== */

.darkstar-custom-footer {
    background: linear-gradient(135deg, var(--custom-dark-1) 0%, var(--custom-dark-3) 100%);
    color: var(--custom-text-secondary);
    position: relative;
    overflow: hidden;
}

.darkstar-custom-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--custom-primary-color), 
        var(--custom-secondary-color), 
        var(--custom-accent-color),
        transparent
    );
}

.custom-footer-main {
    padding: var(--custom-spacing-xl) 0;
    position: relative;
}

.custom-footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--custom-spacing-lg);
}

.custom-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--custom-spacing-xl);
    margin-bottom: var(--custom-spacing-xl);
}

/* 页脚栏目 */
.custom-footer-col {
    position: relative;
}

.custom-footer-title {
    color: var(--custom-text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--custom-spacing-md);
    position: relative;
    padding-bottom: var(--custom-spacing-sm);
    background: linear-gradient(135deg, var(--custom-primary-color), var(--custom-secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.custom-footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, var(--custom-primary-color), var(--custom-secondary-color));
    border-radius: var(--custom-radius-small);
}

.custom-footer-description {
    line-height: 1.6;
    margin-bottom: var(--custom-spacing-md);
    color: var(--custom-text-muted);
}

/* 社交媒体链接 */
.custom-social-links {
    display: flex;
    gap: var(--custom-spacing-sm);
    margin-top: var(--custom-spacing-md);
}

.custom-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(145deg, var(--custom-dark-4), var(--custom-dark-5));
    border-radius: var(--custom-radius-medium);
    color: var(--custom-text-secondary);
    text-decoration: none;
    transition: var(--custom-transition);
    border: 1px solid var(--custom-divider);
    position: relative;
    overflow: hidden;
}

.custom-social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--custom-primary-color), var(--custom-secondary-color));
    opacity: 0;
    transition: var(--custom-transition);
}

.custom-social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--custom-shadow-medium);
    color: var(--custom-text-primary);
}

.custom-social-link:hover::before {
    opacity: 1;
}

.custom-social-link i {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
}

/* 页脚菜单 */
.custom-footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.custom-footer-menu li {
    margin-bottom: var(--custom-spacing-xs);
}

.custom-footer-menu a {
    color: var(--custom-text-muted);
    text-decoration: none;
    transition: var(--custom-transition);
    display: inline-block;
    position: relative;
    padding: 4px 0;
}

.custom-footer-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--custom-accent-color), var(--custom-warning-color));
    transition: var(--custom-transition);
}

.custom-footer-menu a:hover {
    color: var(--custom-text-primary);
    transform: translateX(5px);
}

.custom-footer-menu a:hover::before {
    width: 100%;
}

/* 联系信息 */
.custom-contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--custom-spacing-sm);
}

.custom-contact-item {
    display: flex;
    align-items: center;
    gap: var(--custom-spacing-sm);
    color: var(--custom-text-muted);
    transition: var(--custom-transition);
    padding: var(--custom-spacing-xs);
    border-radius: var(--custom-radius-small);
}

.custom-contact-item:hover {
    color: var(--custom-text-primary);
    background: var(--custom-dark-4);
    transform: translateX(5px);
}

.custom-contact-item i {
    width: 20px;
    text-align: center;
    color: var(--custom-accent-color);
    flex-shrink: 0;
}

/* 页脚底部版权区域 */
.custom-footer-bottom {
    background: linear-gradient(135deg, var(--custom-dark-2), var(--custom-dark-1));
    border-top: 1px solid var(--custom-divider);
    padding: var(--custom-spacing-lg) 0;
}

.custom-footer-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--custom-spacing-md);
}

.custom-copyright-left p {
    margin: 0;
    color: var(--custom-text-muted);
    font-size: 0.9rem;
}

.custom-legal-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--custom-spacing-md);
}

.custom-legal-links a {
    color: var(--custom-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--custom-transition);
    position: relative;
}

.custom-legal-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--custom-accent-color);
    transition: var(--custom-transition);
}

.custom-legal-links a:hover {
    color: var(--custom-text-primary);
}

.custom-legal-links a:hover::after {
    width: 100%;
}

/* ========================================
   响应式设计
======================================== */

@media (max-width: 1024px) {
    .custom-nav-wrapper {
        height: 70px;
    }
    
    .custom-nav-container {
        padding: 0 var(--custom-spacing-md);
    }
    
    .custom-footer-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--custom-spacing-lg);
    }
}

@media (max-width: 768px) {
    .custom-mobile-toggle {
        display: flex;
    }
    
    .custom-menu-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: 100vh;
        background: linear-gradient(145deg, var(--custom-dark-2), var(--custom-dark-4));
        backdrop-filter: blur(15px);
        border-left: 1px solid var(--custom-divider-bright);
        transition: var(--custom-transition-slow);
        padding: 100px var(--custom-spacing-lg) var(--custom-spacing-lg);
        z-index: 10000;
        overflow-y: auto;
    }
    
    .custom-menu-container.mobile-menu-open {
        right: 0;
    }
    
    .custom-nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .custom-menu-item {
        width: 100%;
        border-bottom: 1px solid var(--custom-divider);
    }
    
    .custom-menu-link {
        width: 100%;
        padding: var(--custom-spacing-md);
        border-radius: 0;
        justify-content: space-between;
    }
    
    .custom-sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--custom-dark-5);
        margin-top: 0;
        border-radius: 0;
        border: none;
        border-top: 1px solid var(--custom-divider);
        box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .custom-menu-item.submenu-open > .custom-sub-menu {
        max-height: 300px;
        padding: var(--custom-spacing-sm);
    }
    
    .custom-sub-sub-menu {
        position: static;
        transform: none;
        left: 0;
        background: var(--custom-saturated-dark-1);
        border-left: 3px solid var(--custom-primary-color);
    }
    
    .custom-footer-grid {
        grid-template-columns: 1fr;
        gap: var(--custom-spacing-lg);
    }
    
    .custom-footer-copyright {
        flex-direction: column;
        text-align: center;
        gap: var(--custom-spacing-sm);
    }
    
    .custom-legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .custom-nav-container {
        padding: 0 var(--custom-spacing-sm);
    }
    
    .custom-nav-wrapper {
        height: 60px;
    }
    
    .custom-site-title,
    .custom-logo-link {
        font-size: 1.4rem;
    }
    
    .custom-footer-container {
        padding: 0 var(--custom-spacing-sm);
    }
    
    .custom-social-links {
        justify-content: center;
    }
    
    .custom-legal-links {
        flex-direction: column;
        align-items: center;
        gap: var(--custom-spacing-sm);
    }
}

/* ========================================
   动画和特效
======================================== */

/* 页面加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* 应用动画 */
.darkstar-custom-header {
    animation: slideInLeft 0.6s ease-out;
}

.custom-footer-col {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.custom-footer-col:nth-child(1) { animation-delay: 0.1s; }
.custom-footer-col:nth-child(2) { animation-delay: 0.2s; }
.custom-footer-col:nth-child(3) { animation-delay: 0.3s; }
.custom-footer-col:nth-child(4) { animation-delay: 0.4s; }

/* Hover特效 */
.custom-menu-link:hover {
    animation: pulse 1s infinite;
}

/* 滚动显示动画 */
.custom-scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: var(--custom-transition-slow);
}

.custom-scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 高对比度和无障碍设计 */
@media (prefers-contrast: high) {
    :root {
        --custom-text-primary: #FFFFFF;
        --custom-text-secondary: #E0E0E0;
        --custom-divider: rgba(255,255,255,0.3);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 暗色主题适配 */
@media (prefers-color-scheme: dark) {
    .darkstar-custom-header,
    .darkstar-custom-footer {
        color-scheme: dark;
    }
}

/* 打印样式 */
@media print {
    .darkstar-custom-header,
    .darkstar-custom-footer {
        background: none !important;
        color: #000 !important;
        box-shadow: none !important;
    }
    
    .custom-social-links,
    .custom-mobile-toggle {
        display: none !important;
    }
}