/*
 * 柠檬软件销售主题 - 基础样式
 * 包含全局重置、基础布局和核心组件
 */

/* 全局重置 */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--lemon-font-family);
    font-size: var(--lemon-text-base);
    line-height: var(--lemon-leading-normal);
    color: var(--lemon-text-primary);
    background-color: var(--lemon-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 清除默认样式 */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: var(--lemon-font-semibold);
    line-height: var(--lemon-leading-tight);
    color: var(--lemon-text-primary);
}

p {
    margin: 0 0 var(--lemon-space-4) 0;
    line-height: var(--lemon-leading-normal);
}

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    color: var(--lemon-primary);
    text-decoration: none;
    transition: color var(--lemon-transition-fast);
}

a:hover {
    color: var(--lemon-primary-dark);
}

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

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

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

/* 隐藏WordPress默认样式 */
.wp-block-library,
.wp-block-library-theme {
    display: none !important;
}

/* 主要布局 */
.site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.site-main {
    flex: 1;
    width: 100%;
}

/* 容器系统 */
.lemon-container,
.container {
    max-width: var(--lemon-container-width);
    margin: 0 auto;
    padding: 0 var(--lemon-container-padding);
    width: 100%;
}

.lemon-container-fluid,
.container-fluid {
    width: 100%;
    padding: 0 var(--lemon-container-padding);
}

/* 按钮组件 */
.lemon-btn,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--lemon-space-2);
    padding: var(--lemon-space-3) var(--lemon-space-6);
    border: 2px solid transparent;
    border-radius: var(--lemon-radius-lg);
    font-family: var(--lemon-font-family);
    font-size: var(--lemon-text-sm);
    font-weight: var(--lemon-font-semibold);
    line-height: 1;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--lemon-transition-smooth);
    min-height: 44px;
    position: relative;
    overflow: hidden;
    user-select: none;
}

.lemon-btn:focus,
.btn:focus {
    outline: 2px solid var(--lemon-primary);
    outline-offset: 2px;
}

.lemon-btn:disabled,
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* 按钮变体 */
.lemon-btn-primary,
.btn-primary {
    background: var(--lemon-gradient-primary);
    color: var(--lemon-text-light);
    border-color: transparent;
}

.lemon-btn-primary:hover,
.btn-primary:hover {
    background: linear-gradient(135deg, var(--lemon-primary-dark) 0%, var(--lemon-secondary-dark) 100%);
    color: var(--lemon-text-light);
    transform: translateY(-1px);
    box-shadow: var(--lemon-shadow-lg);
}

.lemon-btn-secondary,
.btn-secondary {
    background: var(--lemon-bg-secondary);
    color: var(--lemon-text-primary);
    border-color: var(--lemon-border-medium);
}

.lemon-btn-secondary:hover,
.btn-secondary:hover {
    background: var(--lemon-bg-muted);
    color: var(--lemon-text-primary);
    transform: translateY(-1px);
}

.lemon-btn-outline,
.btn-outline {
    background: transparent;
    color: var(--lemon-primary);
    border-color: var(--lemon-primary);
}

.lemon-btn-outline:hover,
.btn-outline:hover {
    background: var(--lemon-primary);
    color: var(--lemon-text-light);
    transform: translateY(-1px);
}

/* 按钮尺寸 */
.lemon-btn-sm {
    padding: var(--lemon-space-2) var(--lemon-space-4);
    font-size: var(--lemon-text-xs);
    min-height: 36px;
}

.lemon-btn-lg {
    padding: var(--lemon-space-4) var(--lemon-space-8);
    font-size: var(--lemon-text-lg);
    min-height: 52px;
}

.lemon-btn-block {
    width: 100%;
    justify-content: center;
}

/* 卡片组件 */
.lemon-card {
    background: var(--lemon-bg-primary);
    border-radius: var(--lemon-radius-xl);
    box-shadow: var(--lemon-shadow-md);
    overflow: hidden;
    transition: all var(--lemon-transition-smooth);
}

.lemon-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lemon-shadow-lg);
}

.lemon-card-header {
    padding: var(--lemon-space-6);
    border-bottom: 1px solid var(--lemon-border-light);
}

.lemon-card-body {
    padding: var(--lemon-space-6);
}

.lemon-card-footer {
    padding: var(--lemon-space-6);
    border-top: 1px solid var(--lemon-border-light);
    background: var(--lemon-bg-secondary);
}

/* 网格系统 */
.lemon-grid {
    display: grid;
    gap: var(--lemon-space-6);
}

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

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

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

/* Flex布局 */
.lemon-flex {
    display: flex;
}

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

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

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

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

/* 间距工具类 */
.lemon-mb-4 { margin-bottom: var(--lemon-space-4); }
.lemon-mb-6 { margin-bottom: var(--lemon-space-6); }
.lemon-mb-8 { margin-bottom: var(--lemon-space-8); }
.lemon-mt-4 { margin-top: var(--lemon-space-4); }
.lemon-mt-6 { margin-top: var(--lemon-space-6); }
.lemon-mt-8 { margin-top: var(--lemon-space-8); }

/* 文本工具类 */
.lemon-text-center { text-align: center; }
.lemon-text-left { text-align: left; }
.lemon-text-right { text-align: right; }

.lemon-text-xs { font-size: var(--lemon-text-xs); }
.lemon-text-sm { font-size: var(--lemon-text-sm); }
.lemon-text-lg { font-size: var(--lemon-text-lg); }
.lemon-text-xl { font-size: var(--lemon-text-xl); }
.lemon-text-2xl { font-size: var(--lemon-text-2xl); }
.lemon-text-3xl { font-size: var(--lemon-text-3xl); }

.lemon-font-normal { font-weight: var(--lemon-font-normal); }
.lemon-font-medium { font-weight: var(--lemon-font-medium); }
.lemon-font-semibold { font-weight: var(--lemon-font-semibold); }
.lemon-font-bold { font-weight: var(--lemon-font-bold); }

.lemon-text-primary { color: var(--lemon-text-primary); }
.lemon-text-secondary { color: var(--lemon-text-secondary); }
.lemon-text-muted { color: var(--lemon-text-muted); }

/* 响应式辅助类 */
@media (max-width: 768px) {
    .lemon-grid-2,
    .lemon-grid-3,
    .lemon-grid-4 {
        grid-template-columns: 1fr;
    }

    .lemon-btn {
        min-height: 48px;
    }
}

/* 动画工具类 */
.lemon-fade-in {
    animation: lemon-fade-in 0.5s ease-out;
}

@keyframes lemon-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 清除浮动 */
.lemon-clearfix::after {
    content: "";
    display: table;
    clear: both;
}