/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 根元素变量定义 */
:root {
    --primary-color: #ff6b35;
    --secondary-color: #f7931e;
    --accent-color: #ffd23f;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* 基础样式 */
body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页面头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 40px 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.title-icon {
    font-size: 3rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* 搜索区域样式 */
.search-section {
    background: var(--card-bg);
    padding: 30px 0;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.search-box {
    margin-bottom: 30px;
}

.search-input-wrapper {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 15px 60px 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    transition: var(--transition);
    background: var(--bg-color);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 10px 15px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-50%) scale(1.05);
}

.search-icon {
    font-size: 1.2rem;
}

/* 筛选区域样式 */
.filter-section {
    text-align: center;
}

.filter-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 500;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.95rem;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow);
}

/* 主要内容区域 */
.main-content {
    padding: 20px 0 60px;
}

.stats-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.stats-text {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.view-toggle {
    display: flex;
    gap: 5px;
}

.view-btn {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.view-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.view-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* 英雄列表容器 */
.heroes-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.heroes-container.list-view {
    grid-template-columns: 1fr;
    gap: 15px;
}

/* 英雄卡片样式 */
.hero-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.hero-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.hero-card.list-view {
    display: flex;
    align-items: center;
    padding: 15px;
}

.hero-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.hero-card.list-view .hero-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-right: 20px;
    flex-shrink: 0;
}

.hero-info {
    padding: 20px;
}

.hero-card.list-view .hero-info {
    padding: 0;
    flex: 1;
}

.hero-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.hero-role {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 职业颜色标识 */
.hero-role.tank { background: #3498db; }
.hero-role.warrior { background: #e74c3c; }
.hero-role.assassin { background: #9b59b6; }
.hero-role.mage { background: #f39c12; }
.hero-role.marksman { background: #2ecc71; }
.hero-role.support { background: #1abc9c; }

/* 加载状态 */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 无结果提示 */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 20px;
}

/* 页面底部 */
.footer {
    background: var(--text-primary);
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .title {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .title-icon {
        font-size: 2.5rem;
    }
    
    .filter-buttons {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .heroes-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .stats-bar {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .hero-card.list-view {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-card.list-view .hero-image {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

@media (max-width: 480px) {
    .heroes-container {
        grid-template-columns: 1fr;
    }
    
    .search-input {
        font-size: 1rem;
        padding: 12px 50px 12px 15px;
    }
    
    .search-btn {
        padding: 8px 12px;
    }
}