/**
 * Meta Whale Support - 样式文件
 * 基于原项目的 Tailwind CSS 样式，转换为普通 CSS
 */

/* 基础重置和字体 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: none;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
}

.btn-outline {
    border: 1px solid #374151;
    color: #d1d5db;
    background-color: transparent;
}

.btn-outline:hover {
    background-color: #1f2937;
    border-color: #4b5563;
}

.btn-wallet {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border-radius: 0.5rem;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.btn-wallet::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-wallet:hover::before {
    left: 100%;
}

.btn-wallet:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* 卡片样式 */
.card {
    background-color: #1f2937;
    border: 1px solid #374151;
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    border-color: #4b5563;
}

/* 头部样式 */
.header {
    border-bottom: 1px solid #374151;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
/* 左上LOGO大小 */
.logo-img {
    width: 60px;
    height: 60px;
    transition: transform 0.3s ease;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
}

.logo:hover img {
    transform: scale(1.05);
}

/* 主要内容区域 */
.hero-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/circuit-pattern.svg');
    background-repeat: repeat;
    opacity: 0.2;
    z-index: 1;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-logo {
    width: 160px;
    height: 160px;
    margin: 0 auto 3rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    padding: 2rem;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.4);
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.25rem;
    color: #d1d5db;
    max-width: 32rem;
    margin: 0 auto 2rem;
}

/* 主视觉LOGO放大五倍，去除背景、阴影、圆角，仅保留透明大图标 */
.hero-logo-large {
    width: 200px;
    height: 200px;
    margin: 0 auto 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
}

.hero-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}

@media (max-width: 900px) {
    .hero-logo-large {
        width: 150px;
        height: 150px;
    }
}

/* 统计数据部分 */
.stats-section {
    padding: 4rem 0;
    background-color: #000000;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #9ca3af;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #1f2937;
    border-radius: 0.5rem;
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: #9ca3af;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.25rem;
}

.modal-close:hover {
    background-color: #374151;
    color: #ffffff;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #d1d5db;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #374151;
    border-radius: 0.375rem;
    background-color: #111827;
    color: #ffffff;
    font-size: 0.875rem;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* 钱包选择器 */
.wallet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.wallet-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid #374151;
    border-radius: 0.5rem;
    background-color: #111827;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.wallet-option:hover {
    border-color: #3b82f6;
    background-color: #1f2937;
    transform: translateY(-1px);
}

.wallet-icon {
    width: 32px;
    height: 32px;
    margin-right: 0.75rem;
    border-radius: 0.25rem;
}

/* 语言切换器 */
.language-switcher {
    position: relative;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #1f2937;
    border: 1px solid #374151;
    border-radius: 0.375rem;
    padding: 0.5rem 0;
    min-width: 120px;
    display: none;
    z-index: 200;
}

.language-dropdown.show {
    display: block;
}

.language-option {
    display: block;
    padding: 0.5rem 1rem;
    color: #d1d5db;
    text-decoration: none;
    transition: background-color 0.2s;
}

.language-option:hover {
    background-color: #374151;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .wallet-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modal-content {
        margin: 1rem;
        padding: 1.5rem;
    }
}

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

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

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

.text-gray-400 { color: #9ca3af; }
.text-gray-300 { color: #d1d5db; }
.text-blue-500 { color: #3b82f6; }