/* ============================================
   Nihon Premium Clinic - 公共组件样式
   Components - 所有页面共用
   ============================================ */

/* ============================================
   HEADER - 导航栏
   ============================================ */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

/* Logo */
.logo { flex-shrink: 0; }
.logo-img { height: 50px; width: auto; }

/* 主导航 */
.main-nav { flex: 1; margin: 0 40px; }

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--primary); }

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* 下拉菜单 */
.dropdown { position: relative; }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    min-width: 220px;
    padding: 12px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu a {
    display: block;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: all 0.25s ease;
}

.dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary);
    padding-left: 22px;
}

/* Header右侧 */
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* 语言切换 */
.language-switch {
    display: flex;
    align-items: center;
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius);
}

.lang-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    background: transparent;
}

.lang-btn.active {
    background: var(--primary);
    color: var(--white);
}

.lang-divider {
    color: var(--gray-400);
    margin: 0 4px;
    font-size: 11px;
}

/* 预约按钮 */
.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent);
    color: var(--white) !important;
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.3);
}

.contact-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
}

/* 移动端菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
}

.mobile-menu-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    display: block;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: 24px;
    overflow-y: auto;
    z-index: 999;
}

.mobile-nav-link {
    display: block;
    padding: 16px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--gray-200);
}

/* Mobile Language Switch */
.mobile-lang-switch {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.mobile-lang-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-lang-options {
    display: flex;
    gap: 12px;
}

.mobile-lang-btn {
    padding: 10px 20px;
    background: var(--gray-100);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.mobile-lang-btn.active,
.mobile-lang-btn:hover {
    background: rgba(212, 168, 83, 0.1);
    color: #d4a853;
    border-color: rgba(212, 168, 83, 0.3);
}

/* ============================================
   FOOTER - 页脚 (高端玻璃风格)
   ============================================ */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
    color: #fff;
    padding: 80px 0 32px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.footer::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.footer-brand h5 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, #d4a853 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.footer-col h6 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 28px;
    padding-bottom: 12px;
    position: relative;
    display: inline-block;
}

.footer-col h6::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #d4a853, rgba(212, 168, 83, 0.3));
    border-radius: 2px;
}

.footer-links li { 
    margin-bottom: 14px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    color: #d4a853;
}

.footer-links a:hover { 
    color: #fff;
    padding-left: 0;
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #d4a853;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 1;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 16px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: rgba(212, 168, 83, 0.2);
    border-color: rgba(212, 168, 83, 0.4);
    color: #d4a853;
    transform: translateY(-3px);
}

/* ============================================
   BREADCRUMB - 面包屑导航
   ============================================ */
.breadcrumb {
    background: var(--gray-50);
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb-list a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.breadcrumb-list a:hover { color: var(--primary); }

.breadcrumb-separator { color: var(--gray-400); }

.breadcrumb-current { color: var(--primary); font-weight: 500; }

/* ============================================
   响应式 Header/Footer
   ============================================ */
@media (max-width: 992px) {
    .main-nav,
    .header-right { display: none; }
    
    .header-inner {
        position: relative;
    }
    
    .mobile-menu-toggle { 
        display: flex;
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1001;
    }
    .mobile-nav.active { display: block; }
    
    .footer {
        padding: 60px 0 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header-inner { height: 70px; padding: 0 16px; }
    .logo-img { height: 40px; }
    .mobile-menu-toggle {
        right: 12px;
        width: 36px;
        height: 36px;
    }
    .mobile-menu-toggle .bar {
        width: 20px;
        height: 2px;
    }
    
    .footer {
        padding: 50px 0 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-brand {
        text-align: center;
    }
    .footer-social {
        justify-content: center;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}