/*
 * YOA - YOUR OWN ART
 * 共享样式表
 * Australian 3D Printing E-commerce
 */

/* ============================================
   1. CSS 变量定义
   ============================================ */
:root {
    /* 品牌色 */
    --acid-green: #ccff00;
    --acid-green-rgb: 204, 255, 0;

    /* 背景色 */
    --dark-bg: #000;
    --card-bg: #111;
    --section-alt-bg: #0a0a0a;

    /* 文字色 */
    --text-light: #fff;
    --text-gray: #ccc;
    --text-muted: #888;

    /* 边框 */
    --border-light: rgba(255, 255, 255, 0.1);
    --border-medium: rgba(255, 255, 255, 0.2);

    /* 阴影 */
    --shadow-glow: 0 0 20px rgba(var(--acid-green-rgb), 0.3);
    --shadow-card: 0 10px 25px rgba(var(--acid-green-rgb), 0.2);

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   2. 基础样式
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 选中文本样式 */
::selection {
    background-color: var(--acid-green);
    color: var(--dark-bg);
}

/* ============================================
   3. 工具类
   ============================================ */
.text-acid {
    color: var(--acid-green);
}

.bg-acid {
    background-color: var(--acid-green);
    color: var(--dark-bg);
}

.border-acid {
    border-color: var(--acid-green);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: var(--spacing-2xl) 0;
}

/* ============================================
   4. 背景效果
   ============================================ */
.grid-bg {
    background-size: 50px 50px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 2;
    pointer-events: none;
}

.content-layer {
    position: relative;
    z-index: 10;
}

/* ============================================
   5. 顶部横幅
   ============================================ */
.shipping-banner {
    background: linear-gradient(90deg, #0066cc, #0099ff, #00ccff);
    padding: var(--spacing-xs);
    text-align: center;
    font-weight: bold;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    font-size: 0.875rem;
}

/* ============================================
   6. 导航栏
   ============================================ */
.navbar {
    position: fixed;
    width: 100%;
    z-index: 50;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    top: 3rem;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    top: 0;
    mix-blend-mode: normal;
}

.navbar-logo {
    font-size: 1.875rem;
    font-weight: bold;
    letter-spacing: -0.05em;
    color: var(--acid-green);
}

.navbar-menu {
    display: none;
    gap: 2rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: bold;
}

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

.navbar-menu a {
    transition: color var(--transition-fast);
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--acid-green);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition-fast);
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 40;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: bold;
    transition: color var(--transition-fast);
}

.mobile-menu a:hover {
    color: var(--acid-green);
}

/* 购物车图标 */
.cart-btn {
    position: relative;
    border: 1px solid var(--border-medium);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.cart-btn:hover {
    background-color: var(--text-light);
    color: var(--dark-bg);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--acid-green);
    color: var(--dark-bg);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* ============================================
   7. 按钮样式
   ============================================ */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--acid-green);
    color: var(--dark-bg);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-medium);
    color: var(--text-light);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Glitch 按钮效果 */
.glitch-btn {
    position: relative;
    transition: all 0.2s;
    overflow: hidden;
    border: 1px solid var(--acid-green);
    color: var(--acid-green);
    background: transparent;
    padding: 1rem 2rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    cursor: pointer;
}

.glitch-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--acid-green);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.83, 0.02, 0.02, 0.99);
}

.glitch-btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.glitch-btn:hover {
    color: var(--dark-bg);
    box-shadow: 4px 4px 0px var(--text-light);
    transform: translate(-2px, -2px);
}

.glitch-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.glitch-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: calc(50% - 10px);
    right: 1rem;
    border: 2px solid var(--dark-bg);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   8. 卡片样式
   ============================================ */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--acid-green);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

/* 产品卡片 */
.product-card {
    cursor: pointer;
}

.product-card .product-image {
    aspect-ratio: 1;
    background-color: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.product-card .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
    filter: contrast(1.1) brightness(1.1);
}

.product-image::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(0deg,
            rgba(0, 0, 0, 0.1) 0px,
            rgba(0, 0, 0, 0.1) 1px,
            transparent 1px,
            transparent 2px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover .product-image::after {
    opacity: 0.3;
}

.glitch-hover:hover {
    animation: glitch 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both infinite;
}

@keyframes glitch {
    0% {
        transform: translate(0);
    }

    20% {
        transform: translate(-2px, 2px);
    }

    40% {
        transform: translate(-2px, -2px);
    }

    60% {
        transform: translate(2px, 2px);
    }

    80% {
        transform: translate(2px, -2px);
    }

    100% {
        transform: translate(0);
    }
}

.product-card .product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--acid-green);
    color: var(--dark-bg);
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: bold;
}

.product-card .product-info {
    padding: 1rem;
}

.product-card .product-title {
    font-weight: bold;
    font-size: 1.125rem;
}

.product-card .product-price {
    color: var(--acid-green);
    font-weight: bold;
}

.product-card .product-colors {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.product-card .color-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
}

.product-card .color-dot:hover,
.product-card .color-dot.active {
    border-color: var(--text-light);
}

/* ============================================
   9. 模态框
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border: 1px solid var(--acid-green);
    max-width: 600px;
    width: 100%;
    border-radius: 4px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--acid-green);
    background: none;
    border: none;
    line-height: 1;
    transition: var(--transition-fast);
}

.modal-close:hover {
    transform: scale(1.2);
}

/* ============================================
   10. 表单样式
   ============================================ */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background-color: var(--card-bg);
    border: 1px solid var(--border-medium);
    padding: 0.75rem 1rem;
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--acid-green);
}

.form-textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

/* 范围滑块 */
.form-range {
    width: 100%;
    accent-color: var(--acid-green);
}

/* 颜色选择器 */
.color-picker {
    display: flex;
    gap: 1rem;
}

.color-option {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.color-option:hover,
.color-option.selected {
    border-color: var(--text-light);
    transform: scale(1.1);
}

/* ============================================
   11. 动画效果
   ============================================ */
/* 呼吸效果 */
.hover-effect {
    animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {

    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.hover-effect:hover {
    animation: breathe-hover 1.5s ease-in-out infinite;
    color: var(--acid-green);
    text-shadow: 0 0 10px rgba(var(--acid-green-rgb), 0.7);
}

@keyframes breathe-hover {

    0%,
    100% {
        opacity: 0.8;
        transform: scale(1.05);
    }

    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* 闪亮文字效果 */
.shiny-text {
    position: relative;
    background: linear-gradient(90deg, #fff, var(--acid-green), #fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

/* 全息效果 */
.holographic {
    position: relative;
}

.holographic::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
            #ff0000, #ff7300, #fffb00, #48ff00,
            #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    background-size: 400%;
    border-radius: 5px;
    z-index: -1;
    animation: glowing-border 20s linear infinite;
}

@keyframes glowing-border {
    0% {
        background-position: 0 0;
    }

    50% {
        background-position: 400% 0;
    }

    100% {
        background-position: 0 0;
    }
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ============================================
   12. 页脚
   ============================================ */
.footer {
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: bold;
}

.footer-links a {
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--acid-green);
}

.footer-copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 2rem;
}

/* ============================================
   13. 网格布局
   ============================================ */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   14. 页面特定样式
   ============================================ */
/* 面包屑 */
.breadcrumb {
    display: flex;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.breadcrumb a:hover {
    color: var(--acid-green);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    background-color: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 2px;
}

.tag.active {
    background-color: var(--acid-green);
    color: var(--dark-bg);
    border-color: var(--acid-green);
}

/* 数量选择器 */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--card-bg);
    border: 1px solid var(--border-medium);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.quantity-btn:hover {
    border-color: var(--acid-green);
    color: var(--acid-green);
}

.quantity-input {
    width: 3rem;
    text-align: center;
    background-color: var(--card-bg);
    border: 1px solid var(--border-medium);
    color: var(--text-light);
    padding: 0.25rem;
}

/* 手风琴 */
.accordion-item {
    border-bottom: 1px solid var(--border-light);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    font-weight: bold;
    transition: color var(--transition-fast);
}

.accordion-header:hover {
    color: var(--acid-green);
}

.accordion-icon {
    transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-body {
    padding-bottom: 1.5rem;
    color: var(--text-gray);
}

/* 通知/提示 */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: rgba(var(--acid-green-rgb), 0.1);
    border: 1px solid var(--acid-green);
    color: var(--acid-green);
}

.alert-error {
    background-color: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff4444;
    color: #ff4444;
}

.alert-info {
    background-color: rgba(0, 150, 255, 0.1);
    border: 1px solid #0096ff;
    color: #0096ff;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.empty-state-text {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--acid-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   15. 响应式工具类
   ============================================ */
.hidden {
    display: none !important;
}

@media (min-width: 768px) {
    .md\:block {
        display: block !important;
    }

    .md\:hidden {
        display: none !important;
    }

    .md\:flex {
        display: flex !important;
    }
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mb-6 {
    margin-bottom: 3rem;
}

.mb-8 {
    margin-bottom: 4rem;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.p-0 {
    padding: 0;
}

.p-2 {
    padding: 1rem;
}

.p-4 {
    padding: 2rem;
}

.p-6 {
    padding: 3rem;
}

.w-full {
    width: 100%;
}

.max-w-xl {
    max-width: 36rem;
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-3xl {
    max-width: 48rem;
}

.max-w-4xl {
    max-width: 56rem;
}