/* ==========================================
   ✦ STOREFRONT GLOBAL CSS
   ✦ A modern, minimalist e-commerce theme
   ========================================== */

:root {
    --main-black: #121212;
    --light-gray: #f4f4f4;
    --text-muted: #666666;
}

/* ==========================================
   0. HEADER & FOUNDATION (公告栏与基础导航)
   ========================================== */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--main-black);
    background-color: #fff;
    overflow-x: hidden;

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
    padding-right: 0 !important;
    overflow: hidden !important;
}

.modal-open .navbar, 
.modal-open .sticky-top {
    padding-right: 0 !important;
}

/* 顶部公告栏 */
.announcement-bar {
    background-color: var(--main-black);
    color: #fff;
    font-size: 13px;
    text-align: center;
    padding: 10px 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 导航栏整体高度与背景 */
.navbar {
    padding: 20px 0;
    background: #fff !important;
    transition: all 0.3s ease;
}

/* Logo 样式 */
.navbar-brand {
    font-weight: 800;
    letter-spacing: 3px;
    font-size: 24px;
    color: var(--main-black) !important;
}

/* 导航链接样式 */
.nav-link {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--main-black) !important;
    margin: 0 15px;
    text-transform: uppercase;
    transition: opacity 0.2s;
}

.nav-link:hover {
    opacity: 0.6;
}

/* 右侧图标组 (搜索、账户、购物车) */
.header-icon {
    color: var(--main-black);
    font-size: 20px;
    margin-left: 5px;
    position: relative;
    transition: opacity 0.2s;
}

.header-icon:hover {
    color: var(--main-black);
    opacity: 0.6;
}

/* 修复 Bootstrap a 标签默认颜色和下划线 */
a {
    color: var(--main-black);
    text-decoration: none;
}
a:hover {
    color: var(--main-black);
}


/* 针对 Chrome, Safari, Edge, Opera */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* 针对 Firefox */
input[type="number"] {
    -moz-appearance: textfield;
}

/* 通用极简直角按钮 (供首页或详情页使用) */
.btn-custom {
    background-color: var(--main-black);
    color: #fff;
    border-radius: 0;
    padding: 15px 35px;
    font-weight: 600;
    letter-spacing: 2px;
    border: 1px solid var(--main-black);
    text-transform: uppercase;
    transition: all 0.3s;
}
.btn-custom:hover {
    background-color: transparent;
    color: var(--main-black);
}

/* ==========================================
   1. NAVIGATION & DROPDOWN (导航栏)
   ========================================== */
@media all and (min-width: 992px) {
    .hover-dropdown:hover .dropdown-menu {
        display: block;
        margin-top: 0;
        animation: fadeDropdown 0.3s ease forwards;
    }
}

@keyframes fadeDropdown {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hover-dropdown-menu {
    border-top: 2px solid var(--main-black) !important;
    padding: 10px 0;
    min-width: 200px;
}

.hover-dropdown-menu .dropdown-item {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.hover-dropdown-menu .dropdown-item:hover {
    background-color: transparent;
    color: var(--main-black);
    padding-left: 20px;
}

/* ==========================================
   2. CART DRAWER (侧边栏购物车)
   ========================================== */
#cart_drawer_wrapper {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: 999999;
}
.cart_drawer_mask {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    cursor: pointer;
    transition: opacity 0.3s ease;
}
#atc-modal {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 420px; max-width: 100vw;
    background-color: #ffffff;
    box-shadow: -5px 0 25px rgba(0,0,0,0.15);
    display: flex; flex-direction: column;
    overflow-y: auto; overflow-x: hidden;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.35s ease;
}

/* JS 控制的核心状态类 */
.tw-hidden, .empty\:tw-hidden:empty { display: none !important; pointer-events: none !important; }
.tw-translate-x-full { transform: translateX(100%) !important; }
.tw-opacity-0 { opacity: 0 !important; }

/* 购物车内部排版 */
.checkout_part { display: flex; flex-direction: column; height: 100%; background: #fff; color: #121212; }
.cart-drawer-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid #f4f4f4; position: sticky; top: 0; z-index: 10; background: #fff; }
.cart-drawer-title { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.cart_drawer-close { cursor: pointer; padding: 5px; transition: opacity 0.2s; }
.cart_drawer-close:hover { opacity: 0.5; }
.tw-overflow-auto { flex-grow: 1; padding: 24px 20px; position: relative; }
.cart__item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.cart-drawer-img { width: 85px; flex-shrink: 0; }
.cart-drawer-img img { width: 100%; height: auto; border-radius: 4px; object-fit: cover; border: 1px solid #f4f4f4; }
.cart-block { flex-grow: 1; display: flex; flex-direction: column; }
.cart-block .tw-flex { display: flex; justify-content: space-between; align-items: flex-start; }
.p-name { font-size: 14px; font-weight: 600; color: #121212; text-decoration: none; line-height: 1.4; margin-bottom: 8px; display: block; padding-right: 10px; }
.cart-svg { cursor: pointer; flex-shrink: 0; color: #999; transition: color 0.2s; }
.cart-svg:hover path { fill: #ff4d4f; }
.tw-text-xs { font-size: 12px; color: #666; margin-bottom: 4px; }
.cart-block .tw-justify-between.tw-items-center { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 10px; }
.cart-drawer-price { font-size: 15px; font-weight: 700; }
.cart-calculation { display: flex; align-items: center; border: 1px solid #e5e5e5; height: 32px; width: 100px; }
.cart__counter { width: 32px; height: 100%; display: flex; justify-content: center; align-items: center; cursor: pointer; color: #121212; text-decoration: none; }
.cart__counter:hover { background-color: #f4f4f4; }
.cart__qty-input { flex-grow: 1; width: 36px; height: 100%; border: none; text-align: center; font-size: 13px; font-weight: 600; padding: 0; outline: none; background: transparent; }
.cart-drawer-fotter { padding: 20px; background-color: #fafafa; border-top: 1px solid #f4f4f4; margin-top: auto; }
.cart-drawer-fotter .tw-flex { display: flex; justify-content: space-between; margin-bottom: 8px; }
.cart-drawer-fotter .tw-text-sm { font-size: 14px; }
.cart-drawer-text.tw-font-bold { font-size: 18px; font-weight: 800; }
.no-mail-mes { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #444; background: #fff; padding: 10px 15px; border: 1px solid #eee; margin-bottom: 20px; border-radius: 4px; }

/* 按钮样式 */
.cart__checkout, .go-cart { width: 100%; height: 50px; font-size: 14px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; transition: all 0.2s; margin-top: 10px; border-radius: 0; }
.cart__checkout { background-color: var(--main-black); color: #fff; border: none; letter-spacing: 1.5px; }
.cart__checkout:hover:not(:disabled) { background-color: #333; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.cart__checkout:disabled { background-color: #ccc; cursor: not-allowed; }
.go-cart { background-color: transparent; color: var(--main-black); border: 1px solid var(--main-black); }
.go-cart:hover { background-color: #f4f4f4; }

/* Loading 遮罩层 */
.cart_loading_mask { background-color: rgba(255, 255, 255, 0.7); backdrop-filter: blur(2px); display: flex; align-items: center; justify-content: center; }
.spinner { display: flex; gap: 6px; }
.spinner > div { width: 10px; height: 10px; background-color: var(--main-black); border-radius: 100%; animation: sk-bouncedelay 1.4s infinite ease-in-out both; }
.spinner .bounce1 { animation-delay: -0.32s; }
.spinner .bounce2 { animation-delay: -0.16s; }
@keyframes sk-bouncedelay { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1.0); } }

/* 空购物车状态修复 */
.checkout_part > .tw-flex.tw-flex-col.tw-items-center { display: flex !important; flex-direction: column; align-items: center; justify-content: center; flex-grow: 1; margin-top: 0 !important; padding: 40px 20px; }
.checkout_part > .tw-flex.tw-flex-col.tw-items-center svg { color: #cccccc; margin-bottom: 10px; }
.checkout_part .tw-my-6 { margin: 20px 0 30px 0; font-size: 16px; color: var(--text-muted); font-weight: 500; letter-spacing: 0.5px; }
.checkout_part .cart-apply.tw-inline-flex { display: inline-flex !important; align-items: center; justify-content: center; text-decoration: none !important; text-transform: uppercase; font-size: 14px; font-weight: 700; letter-spacing: 1.5px; height: 50px; min-width: 220px !important; border-radius: 0 !important; background-color: var(--main-black) !important; color: #fff !important; border: 1px solid var(--main-black) !important; transition: all 0.2s; }
.checkout_part .cart-apply.tw-inline-flex:hover { background-color: transparent !important; color: var(--main-black) !important; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0,0,0,0.1); }

/* ==========================================
   3. FOOTER (页脚导航)
   ========================================== */
.site-footer {
    background-color: #ffffff;
    color: var(--main-black);
}
.footer-heading { letter-spacing: 1.5px; font-size: 14px; color: var(--main-black); }
.footer-link { font-size: 14px; color: var(--text-muted); transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-link:hover { color: var(--main-black); padding-left: 5px; }
.transition-transform { transition: transform 0.3s ease; }

@media (max-width: 767.98px) {
    .footer-toggle { border-bottom: 1px solid #f4f4f4 !important; font-size: 13px; letter-spacing: 1px; color: var(--main-black); }
    .footer-toggle[aria-expanded="true"] i { transform: rotate(180deg); }
    .footer-collapse { padding: 10px 15px;}
    .footer-collapse .footer-link { font-size: 13px; }
}

/* ==========================================
   通用静态单页排版 (page.html)
   ========================================== */

/* 让阅读区域更有呼吸感 */
.page-content-wrapper {
    font-size: 15px; /* 正文字号稍微放大，适合长文阅读 */
    line-height: 1.8; /* 增加行高 */
    color: #333; /* 使用深灰而不是纯黑，减轻视觉疲劳 */
}

/* 规范段落间距 */
.page-content-wrapper p {
    margin-bottom: 1.5rem;
}

/* 规范内部标题的间距和样式 */
.page-content-wrapper h2, 
.page-content-wrapper h3, 
.page-content-wrapper h4 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--main-black, #121212);
}

/* 恢复默认列表的缩进 (Bootstrap 默认清除了很多) */
.page-content-wrapper ul, 
.page-content-wrapper ol {
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.page-content-wrapper li {
    margin-bottom: 0.5rem;
}

/* 链接样式 */
.page-content-wrapper a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 4px; /* 让下划线不那么贴近文字 */
    transition: opacity 0.2s;
}
.page-content-wrapper a:hover {
    opacity: 0.6;
}

/* ==========================================
   Footer 移动端黑底白字强制覆盖
========================================== */

/* 1. 强制移动端折叠按钮（和它里面的箭头）变成纯白色 */
.site-footer .footer-toggle {
    color: #ffffff !important;
}

/* 2. 确保移动端展开后的纯文本（比如地址）也是半透明白色 */
.site-footer .footer-collapse {
    color: #ffffff !important;
}

/* 3. 确保移动端展开后的链接也是半透明白色，并且 Hover 时高亮 */
.site-footer .footer-collapse a {
    color: #ffffff !important;
}
.site-footer .footer-collapse a:hover {
    color: #ffffff !important;
}

/* ==========================================
   Account Auth Page (Login/Register)
========================================== */

.cursor-pointer {
    cursor: pointer;
}

/* 登录/注册 Tab 的底部活动边框 */
.auth-tab {
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.auth-tab.active {
    border-bottom-color: #121212; /* 激活时显示黑色底边 */
}

.auth-tab.active h5 {
    color: #121212 !important; /* 激活时文字变黑 */
}

/* 简单的震动动画 (用于密码错误提示) */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}
.shake-animation {
    animation: shake 0.5s;
}