/*
 * 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;
}

/* 通知系统样式 */
.lemon-notifications {
    position: fixed;
    top: var(--lemon-space-4);
    right: var(--lemon-space-4);
    z-index: 9999;
    max-width: 400px;
    width: 100%;
    pointer-events: none;
}

.lemon-notification {
    background: var(--lemon-bg-primary);
    border-radius: var(--lemon-radius-lg);
    box-shadow: var(--lemon-shadow-xl);
    border-left: 4px solid var(--lemon-primary);
    margin-bottom: var(--lemon-space-3);
    padding: var(--lemon-space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--lemon-space-3);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    backdrop-filter: blur(10px);
}

.lemon-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.lemon-notification.hide {
    transform: translateX(100%);
    opacity: 0;
}

.lemon-notification-content {
    display: flex;
    align-items: center;
    gap: var(--lemon-space-3);
    flex: 1;
}

.lemon-notification-icon {
    font-size: var(--lemon-text-lg);
    flex-shrink: 0;
}

.lemon-notification-message {
    font-size: var(--lemon-text-sm);
    font-weight: var(--lemon-font-medium);
    line-height: var(--lemon-leading-relaxed);
    color: var(--lemon-text-primary);
}

.lemon-notification-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--lemon-space-1);
    border-radius: var(--lemon-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: all var(--lemon-transition-fast);
    opacity: 0.6;
}

.lemon-notification-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

.lemon-notification-close i {
    font-size: var(--lemon-text-xs);
}

/* 通知类型样式 */
.lemon-notification-success {
    border-left-color: var(--lemon-success);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, rgba(34, 197, 94, 0.02) 100%);
}

.lemon-notification-success .lemon-notification-icon {
    color: var(--lemon-success);
}

.lemon-notification-error {
    border-left-color: var(--lemon-danger);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(239, 68, 68, 0.02) 100%);
}

.lemon-notification-error .lemon-notification-icon {
    color: var(--lemon-danger);
}

.lemon-notification-warning {
    border-left-color: var(--lemon-warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
}

.lemon-notification-warning .lemon-notification-icon {
    color: var(--lemon-warning);
}

.lemon-notification-info {
    border-left-color: var(--lemon-info);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(59, 130, 246, 0.02) 100%);
}

.lemon-notification-info .lemon-notification-icon {
    color: var(--lemon-info);
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .lemon-notification {
        background: rgba(30, 30, 30, 0.95);
        border-left-color: var(--lemon-primary);
    }

    .lemon-notification-message {
        color: #ffffff;
    }

    .lemon-notification-close:hover {
        background: rgba(255, 255, 255, 0.1);
    }
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .lemon-notifications {
        top: var(--lemon-space-2);
        right: var(--lemon-space-2);
        left: var(--lemon-space-2);
        max-width: none;
    }

    .lemon-notification {
        padding: var(--lemon-space-3);
        margin-bottom: var(--lemon-space-2);
    }

    .lemon-notification-message {
        font-size: var(--lemon-text-xs);
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .lemon-notification {
        transition: opacity 0.2s ease;
    }

    .lemon-notification.show {
        transform: none;
    }

    .lemon-notification.hide {
        transform: none;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .lemon-notification {
        border: 2px solid;
        border-left-width: 6px;
    }

    .lemon-notification-success {
        border-color: var(--lemon-success);
    }

    .lemon-notification-error {
        border-color: var(--lemon-danger);
    }

    .lemon-notification-warning {
        border-color: var(--lemon-warning);
    }

    .lemon-notification-info {
        border-color: var(--lemon-info);
    }
}

/* ===== 统一页面Hero样式 ===== */
.lemon-page-hero {
    background: linear-gradient(135deg, #4338ca 0%, #7c3aed 25%, #2563eb 50%, #7c3aed 75%, #4338ca 100%);
    color: white;
    padding: var(--lemon-space-20) 0;
    position: relative;
    overflow: hidden;
    min-height: 30vh;
    display: flex;
    align-items: center;
}

.lemon-page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 10%, rgba(59, 130, 246, 0.2) 0%, transparent 40%),
        linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.03) 50%, transparent 70%);
    animation: lemon-hero-float 20s ease-in-out infinite;
    pointer-events: none;
}

.lemon-page-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(255,255,255,0.12) 0%, transparent 50%),
        linear-gradient(45deg, transparent 46%, rgba(255,255,255,0.08) 50%, transparent 54%);
    z-index: 1;
    pointer-events: none;
}

@keyframes lemon-hero-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

.lemon-page-hero .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 max(var(--lemon-space-6), 3vw);
    animation: lemon-hero-fade-in 1s var(--lemon-transition-smooth);
}

@keyframes lemon-hero-fade-in {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lemon-page-hero .hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--lemon-space-6);
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 30%, #ffffff 60%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.lemon-page-hero .hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    margin-bottom: var(--lemon-space-8);
    opacity: 0.95;
    color: rgba(255,255,255,0.95);
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.lemon-page-hero .hero-description {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    margin-bottom: var(--lemon-space-8);
    opacity: 0.95;
    color: rgba(255,255,255,0.95);
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero响应式设计 */
@media (max-width: 1024px) {
    .lemon-page-hero {
        min-height: 55vh;
        padding: var(--lemon-space-16) 0;
    }

    .lemon-page-hero .hero-content {
        padding: 0 max(var(--lemon-space-4), 2vw);
    }
}

@media (max-width: 768px) {
    .lemon-page-hero {
        min-height: 50vh;
        padding: var(--lemon-space-16) 0;
    }

    .lemon-page-hero .hero-content {
        padding: 0 max(var(--lemon-space-3), 2vw);
    }

    .lemon-page-hero .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
        margin-bottom: var(--lemon-space-4);
    }

    .lemon-page-hero .hero-subtitle,
    .lemon-page-hero .hero-description {
        font-size: 1rem;
        margin-bottom: var(--lemon-space-6);
    }
}

@media (max-width: 480px) {
    .lemon-page-hero {
        min-height: 40vh;
        padding: var(--lemon-space-12) 0;
    }

    .lemon-page-hero .hero-content {
        padding: 0 var(--lemon-space-3);
    }

    .lemon-page-hero .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .lemon-page-hero .hero-subtitle,
    .lemon-page-hero .hero-description {
        font-size: 0.95rem;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .lemon-page-hero::before {
        animation: none;
        transform: none !important;
    }

    .lemon-page-hero .hero-content {
        animation: none;
    }
}