/**
 * GALXY GARMRNT 银河制衣 - 主样式文件
 * 仿LV路易威登风格 - 极简主义、现代奢华
 */

/* ============================================
   CSS 变量系统
   ============================================ */
:root {
  /* 色彩系统 - LV风格 */
  --color-surface-extra-light: #FFFFFF;
  --color-surface-light: #F8F8F8;
  --color-surface-subtle: #E1E1E1;
  --color-surface-intense: #929292;
  
  --color-content-intense: #1A1A1A;
  --color-content-subtle: #767676;
  --color-content-invert-intense: #F8F8F8;
  --color-content-invert-subtle: #B4B4B4;
  
  --color-border-thin: #E1E1E1;
  --color-border-subtle: #B4B4B4;
  --color-border-intense: #929292;
  
  --color-common-accent: #000000;
  --color-common-highlight: #C87000;
  --color-common-success: #5C7D0B;
  --color-common-error: #C53929;
  --color-common-oob: #294883;
  
  /* 深色主题 */
  --color-dark-surface: #000000;
  --color-dark-content: #F8F8F8;
  
  /* 字体系统 */
  --font-primary: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-chinese: "Microsoft YaHei", "SimHei", "STHeiti Light", sans-serif;
  --font-fallback: Arial, sans-serif;
  
  /* 字号系统 */
  --text-xs: 0.625rem;
  --text-sm: 0.75rem;
  --text-base: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.6rem;
  --text-4xl: 4rem;
  
  /* 行高 */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* 字间距 */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.0625em;
  
  /* 间距系统 - 响应式边距 */
  --gutter-mobile: 6.4vw;
  --gutter-tablet: 3.125vw;
  --gutter-desktop: 4.6875vw;
  --gutter-wide: 8.333vw;
  
  /* 组件间距 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* 圆角 */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 1rem;
  --radius-full: 100vmax;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* 过渡动画 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.39, 0.575, 0.565, 1);
  --transition-slow: 500ms cubic-bezier(0.39, 0.575, 0.565, 1);
  
  /* Z-index层级 */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

/* ============================================
   基础重置与全局样式
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--color-content-intense);
  background-color: var(--color-surface-extra-light);
  min-height: 100vh;
}

body:lang(zh) {
  font-family: var(--font-chinese);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-normal);
}

a:hover {
  opacity: 0.7;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* ============================================
   响应式边距工具类
   ============================================ */
.lv-gutters {
  padding-left: var(--gutter-mobile);
  padding-right: var(--gutter-mobile);
}

.lv-gutters-small {
  padding-left: var(--gutter-mobile);
  padding-right: var(--gutter-mobile);
}

@media (min-width: 48rem) {
  .lv-gutters {
    padding-left: var(--gutter-tablet);
    padding-right: var(--gutter-tablet);
  }
  
  .lv-gutters-small {
    padding-left: var(--gutter-tablet);
    padding-right: var(--gutter-tablet);
  }
}

@media (min-width: 64rem) {
  .lv-gutters {
    padding-left: var(--gutter-desktop);
    padding-right: var(--gutter-desktop);
  }
  
  .lv-gutters-small {
    padding-left: var(--gutter-tablet);
    padding-right: var(--gutter-tablet);
  }
}

@media (min-width: 90rem) {
  .lv-gutters {
    padding-left: var(--gutter-wide);
    padding-right: var(--gutter-wide);
  }
  
  .lv-gutters-small {
    padding-left: 3.333vw;
    padding-right: 3.333vw;
  }
}

/* ============================================
   字体工具类
   ============================================ */
.heading-xxl {
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-wide);
}

.heading-xl {
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wide);
}

.heading-l {
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wide);
}

.heading-m {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-wide);
}

.heading-s {
  font-size: var(--text-md);
  font-weight: 500;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-wide);
}

.body-l {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-relaxed);
}

.body-m {
  font-size: var(--text-md);
  font-weight: 400;
  line-height: var(--leading-normal);
}

.body-s {
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
}

.overline {
  font-size: var(--text-xs);
  font-weight: 400;
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

@media (min-width: 48rem) {
  .heading-xxl {
    font-size: var(--text-4xl);
  }
  
  .heading-xl {
    font-size: 3rem;
  }
}

/* ============================================
   按钮组件 - LV风格
   ============================================ */
.lv-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-md);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wide);
  text-align: center;
  padding: 0.8125rem 2rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
}

.lv-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 主要按钮 - 黑色 */
.lv-button--primary {
  background-color: var(--color-common-accent);
  color: var(--color-content-invert-intense);
  border-color: var(--color-common-accent);
}

.lv-button--primary:hover:not(:disabled) {
  background-color: var(--color-surface-extra-light);
  color: var(--color-content-intense);
}

/* 次要按钮 - 半透明 */
.lv-button--secondary {
  background-color: rgba(255, 255, 255, 0.25);
  color: var(--color-content-intense);
  border-color: var(--color-common-accent);
  backdrop-filter: blur(15px);
}

.lv-button--secondary:hover:not(:disabled) {
  box-shadow: inset 0 0 0 1px var(--color-common-accent);
}

/* 浅色按钮 */
.lv-button--light {
  background-color: var(--color-surface-extra-light);
  color: var(--color-content-intense);
}

.lv-button--light:hover:not(:disabled) {
  background-color: var(--color-surface-light);
}

/* 按钮尺寸 */
.lv-button--small {
  padding: 0.5rem 1rem;
  font-size: var(--text-base);
}

.lv-button--medium {
  padding: 0.75rem 1.5rem;
  font-size: var(--text-base);
}

.lv-button--large {
  padding: 1rem 2.5rem;
  font-size: var(--text-lg);
}

/* 全宽按钮 */
.lv-button--full {
  width: 100%;
}

/* 图标按钮 */
.lv-button--icon {
  padding: var(--space-4);
}

.lv-button--icon.lv-button--small {
  padding: var(--space-3);
}

/* ============================================
   输入框组件
   ============================================ */
.lv-input {
  width: 100%;
  height: 3rem;
  padding: 0 1rem;
  font-size: var(--text-md);
  font-weight: 400;
  line-height: var(--leading-normal);
  color: var(--color-content-intense);
  background-color: var(--color-surface-extra-light);
  border: 1px solid var(--color-border-intense);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.lv-input:focus {
  outline: none;
  border-color: var(--color-common-accent);
  box-shadow: inset 0 0 0 1px var(--color-common-accent);
}

.lv-input::placeholder {
  color: var(--color-content-subtle);
  opacity: 0.7;
}

.lv-input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.lv-input--error {
  border-color: var(--color-common-error);
}

.lv-input--error:focus {
  border-color: var(--color-common-error);
  box-shadow: inset 0 0 0 1px var(--color-common-error);
}

textarea.lv-input {
  height: auto;
  min-height: 6rem;
  padding: 1rem;
  line-height: var(--leading-normal);
  resize: vertical;
}

/* 表单标签 */
.lv-label {
  display: block;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-content-intense);
  margin-bottom: var(--space-2);
}

/* 表单错误信息 */
.lv-error {
  font-size: var(--text-base);
  color: var(--color-common-error);
  margin-top: var(--space-1);
}

/* ============================================
   选择框组件
   ============================================ */
.lv-select {
  position: relative;
}

.lv-select select {
  width: 100%;
  height: 3rem;
  padding: 0 2.5rem 0 1rem;
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-content-intense);
  background-color: var(--color-surface-extra-light);
  border: 1px solid var(--color-border-intense);
  border-radius: var(--radius-md);
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.lv-select::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--color-content-intense);
  pointer-events: none;
}

.lv-select select:focus {
  outline: none;
  border-color: var(--color-common-accent);
  box-shadow: inset 0 0 0 1px var(--color-common-accent);
}

/* ============================================
   复选框和单选框
   ============================================ */
.lv-checkbox,
.lv-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.lv-checkbox input,
.lv-radio input {
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--color-border-intense);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lv-checkbox input {
  border-radius: var(--radius-sm);
}

.lv-radio input {
  border-radius: var(--radius-full);
}

.lv-checkbox input:checked,
.lv-radio input:checked {
  background-color: var(--color-common-accent);
  border-color: var(--color-common-accent);
}

/* ============================================
   链接样式
   ============================================ */
.lv-link {
  text-decoration: none;
  position: relative;
}

.lv-link--underline {
  box-shadow: 0 2px 0 -1px currentColor;
  transition: opacity var(--transition-normal);
}

.lv-link--underline:hover {
  opacity: 0.6;
}

/* ============================================
   图片容器
   ============================================ */
.lv-image-wrapper {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface-light);
}

.lv-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.lv-image-wrapper:hover img {
  transform: scale(1.05);
}

/* 图片比例 */
.lv-image-wrapper--square {
  aspect-ratio: 1 / 1;
}

.lv-image-wrapper--portrait {
  aspect-ratio: 4 / 5;
}

.lv-image-wrapper--landscape {
  aspect-ratio: 16 / 9;
}

.lv-image-wrapper--video {
  aspect-ratio: 21 / 9;
}

/* ============================================
   骨架屏
   ============================================ */
.lv-skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-subtle) 25%,
    var(--color-surface-light) 50%,
    var(--color-surface-subtle) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ============================================
   标签
   ============================================ */
.lv-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.lv-tag--new {
  background-color: var(--color-surface-light);
  color: var(--color-content-intense);
}

.lv-tag--sale {
  background-color: var(--color-common-highlight);
  color: var(--color-content-invert-intense);
}

.lv-tag--limited {
  background-color: var(--color-common-oob);
  color: var(--color-content-invert-intense);
}

.lv-tag--out-of-stock {
  background-color: var(--color-surface-subtle);
  color: var(--color-content-subtle);
}

/* ============================================
   价格显示
   ============================================ */
.lv-price {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-md);
  font-weight: 400;
}

.lv-price__current {
  color: #767676;
}

.lv-price__original {
  color: #767676;
  text-decoration: line-through;
  font-size: var(--text-base);
}

.lv-price--large {
  font-size: var(--text-xl);
}

.lv-price--large .lv-price__original {
  font-size: var(--text-md);
}

/* ============================================
   分页
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  padding: var(--space-8) 0;
}

.pagination-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.pagination-prev,
.pagination-next {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-content-intense);
  transition: opacity var(--transition-normal);
}

.pagination-prev:hover,
.pagination-next:hover {
  opacity: 0.6;
}

.pagination-prev.disabled,
.pagination-next.disabled {
  color: var(--color-content-subtle);
  cursor: not-allowed;
}

.pagination-numbers {
  display: flex;
  gap: var(--space-2);
}

.pagination-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  font-size: var(--text-base);
  color: var(--color-content-intense);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.pagination-number:hover {
  background-color: var(--color-surface-light);
}

.pagination-number.active {
  background-color: var(--color-common-accent);
  color: var(--color-content-invert-intense);
}

/* ============================================
   提示消息
   ============================================ */
.alert {
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}

.alert-success {
  background-color: rgba(92, 125, 11, 0.1);
  color: var(--color-common-success);
  border: 1px solid rgba(92, 125, 11, 0.2);
}

.alert-error {
  background-color: rgba(197, 57, 41, 0.1);
  color: var(--color-common-error);
  border: 1px solid rgba(197, 57, 41, 0.2);
}

.alert-warning {
  background-color: rgba(200, 112, 0, 0.1);
  color: var(--color-common-highlight);
  border: 1px solid rgba(200, 112, 0, 0.2);
}

.alert-info {
  background-color: rgba(41, 72, 131, 0.1);
  color: var(--color-common-oob);
  border: 1px solid rgba(41, 72, 131, 0.2);
}

/* ============================================
   工具类
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

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

.text-uppercase {
  text-transform: uppercase;
}

.text-capitalize {
  text-transform: capitalize;
}

.font-medium {
  font-weight: 500;
}

.font-bold {
  font-weight: 700;
}

.text-subtle {
  color: var(--color-content-subtle);
}

.text-error {
  color: var(--color-common-error);
}

.text-success {
  color: var(--color-common-success);
}

.text-highlight {
  color: var(--color-common-highlight);
}

/* 隐藏/显示 */
.hidden {
  display: none !important;
}

@media (max-width: 47.999rem) {
  .hidden-mobile {
    display: none !important;
  }
}

@media (min-width: 48rem) {
  .hidden-tablet-up {
    display: none !important;
  }
}

@media (min-width: 48rem) and (max-width: 63.999rem) {
  .hidden-tablet {
    display: none !important;
  }
}

@media (min-width: 64rem) {
  .hidden-desktop {
    display: none !important;
  }
}

/* Flex工具类 */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* 间距工具类 */
.mt-4 {
  margin-top: var(--space-4);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

/* 容器 */
.container {
  width: 100%;
  max-width: 90rem;
  margin-left: auto;
  margin-right: auto;
}

/* 网格 */
.grid {
  display: grid;
}

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

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

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

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

@media (min-width: 48rem) {
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 64rem) {
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}