/* 
 * 公共导航栏样式 - 毛玻璃效果
 * 适用于所有页面的导航栏组件
 */

/* 基础导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%) brightness(110%);
    -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(110%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* 导航栏容器 */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    background: transparent;
}

/* 确保容器背景透明 */
.navbar .container {
    background: transparent;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo样式 - 高级设计版（公共样式） */
.logo {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: baseline;
    letter-spacing: -0.03em;
    position: relative;
}

.logo-v {
    color: #10b981;
    font-weight: 800;
    font-size: 32px;
    margin-right: -1px;
    position: relative;
    z-index: 2;
    line-height: 1.1;
}

.logo-text {
    color: #0f172a;
    font-weight: 900;
    font-size: 20px;
    position: relative;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.12) 100%);
    padding: 6px 4px 6px 4px;
    border-radius: 6px;
    margin-left: -1px;
    line-height: 0.8;
    text-transform: lowercase;
    font-stretch: condensed;
    text-shadow: 0 0 1px rgba(15, 23, 42, 0.3);
    transform: translateY(-2px);
}

.logo-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(5, 150, 105, 0.08) 100%);
    border-radius: 6px;
    z-index: -1;
    transition: all 0.3s ease;
}

.logo:hover .logo-v {
    color: #059669;
    transform: scale(1.05);
}

.logo:hover .logo-text {
    color: #020617;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(5, 150, 105, 0.16) 100%);
    transform: translateY(-2px);
}

.logo:hover .logo-text::before {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.10) 0%, rgba(5, 150, 105, 0.14) 100%);
    transform: scale(1.02);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    font-family: 'JetBrains Mono', monospace;
}

/* 导航项 */
.nav-item {
    position: relative;
}

/* 导航链接 */
.nav-link {
    color: #374151;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #10b981;
}

/* 下拉图标 - 统一样式 */
.dropdown-icon {
    width: 12px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    position: relative;
    transition: all 0.3s ease;
    margin-left: 4px;
    opacity: 0.7;
}

.dropdown-icon::before,
.dropdown-icon::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    top: -1px;
    transition: all 0.3s ease;
    opacity: 0;
}

.dropdown-icon::before {
    left: 2px;
    transform: rotate(45deg);
    transform-origin: left center;
}

.dropdown-icon::after {
    right: 2px;
    transform: rotate(-45deg);
    transform-origin: right center;
}

/* 悬停时下拉图标动画 */
.nav-item:hover .dropdown-icon {
    background: transparent;
}

.nav-item:hover .dropdown-icon::before,
.nav-item:hover .dropdown-icon::after {
    opacity: 1;
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: 8px;
    padding: 8px 0;
    min-width: 180px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 999;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 8px 16px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* 导航操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* 按钮样式 */
.btn {
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-outline {
    background: transparent;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-outline:hover {
    background: rgba(249, 250, 251, 0.8);
    border-color: #9ca3af;
}

.btn-primary {
    background: #000000;
    color: #ffffff;
}

.btn-primary:hover {
    background: #1f2937;
    transform: translateY(-1px);
}

/* 用户信息 */
.user-info {
    color: #374151;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(249, 250, 251, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(229, 231, 235, 0.6);
    margin-right: 8px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: inline-flex;
    align-items: center;
    transition: all 0.2s ease;
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(30, 41, 59, 0.15);
        backdrop-filter: blur(20px) saturate(180%) brightness(110%);
        -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(110%);
        border-bottom-color: rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    }
    
    .logo-v {
        color: #34d399;
    }
    
    .logo-text {
        color: #f8fafc;
        background: linear-gradient(135deg, rgba(52, 211, 153, 0.08) 0%, rgba(16, 185, 129, 0.12) 100%);
    }
    
    .logo-text::before {
        background: linear-gradient(135deg, rgba(52, 211, 153, 0.06) 0%, rgba(16, 185, 129, 0.08) 100%);
    }
    
    .logo:hover .logo-v {
        color: #6ee7b7;
    }
    
    .logo:hover .logo-text {
        color: #ffffff;
        background: linear-gradient(135deg, rgba(52, 211, 153, 0.12) 0%, rgba(16, 185, 129, 0.16) 100%);
        transform: translateY(-2px);
    }
    
    .logo:hover .logo-text::before {
        background: linear-gradient(135deg, rgba(52, 211, 153, 0.10) 0%, rgba(16, 185, 129, 0.14) 100%);
    }
    
    .nav-link {
        color: #cbd5e1;
    }
    
    .nav-link:hover {
        color: #f1f5f9;
    }
    
    .dropdown-menu {
        background: rgba(30, 41, 59, 0.95);
        border-color: rgba(51, 65, 85, 0.8);
    }
    
    .dropdown-item {
        color: #cbd5e1;
    }
    
    .dropdown-item:hover {
        background: rgba(16, 185, 129, 0.2);
        color: #10b981;
    }
    
    .btn-outline {
        color: #cbd5e1;
        border-color: #475569;
    }
    
    .btn-outline:hover {
        background: rgba(51, 65, 85, 0.8);
        border-color: #64748b;
    }
    
    .user-info {
        color: #cbd5e1;
        background: rgba(51, 65, 85, 0.8);
        border-color: rgba(71, 85, 105, 0.6);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
    }
    
    .user-info {
        font-size: 13px;
        padding: 6px 12px;
        margin-right: 6px;
    }
    
    .nav-menu {
        order: 3;
        width: 100%;
        flex-direction: column;
        gap: 16px;
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu.active .nav-item {
        margin-bottom: 16px;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 8px 16px;
    }
}

/* 移动端菜单按钮（由JavaScript动态添加） */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: #374151;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
}

/* 滚动状态增强效果（由JavaScript动态添加） */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(25px) saturate(200%) brightness(105%);
    -webkit-backdrop-filter: blur(25px) saturate(200%) brightness(105%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

@media (prefers-color-scheme: dark) {
    .navbar.scrolled {
        background: rgba(30, 41, 59, 0.1);
        backdrop-filter: blur(25px) saturate(200%) brightness(105%);
        -webkit-backdrop-filter: blur(25px) saturate(200%) brightness(105%);
        border-bottom-color: rgba(255, 255, 255, 0.15);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    }
}