/* style.css - 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
    background: #0a0c14;
    color: #e0e0e0;
    line-height: 1.6;
}

/* 总览页容器 */
#overview-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部 */
.dashboard-header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #1a1f2e, #0f1219);
    border-radius: 20px;
    border: 1px solid #2a3040;
}

.dashboard-header h1 {
    color: #4a9eff;
    font-size: 2em;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.3);
}

/* 控制区 */
.controls-section {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
    padding: 12px 20px;
    background: #1a1f2e;
    border: 2px solid #2a3040;
    border-radius: 30px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s;
}

.search-box:focus {
    outline: none;
    border-color: #4a9eff;
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.2);
}

.filter-buttons {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 10px 24px;
    background: #1a1f2e;
    border: 2px solid #2a3040;
    border-radius: 30px;
    color: #a0a0a0;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active {
    background: #4a9eff;
    border-color: #4a9eff;
    color: #fff;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 158, 255, 0.2);
}

/* 开发者网格 */
.developers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

/* 统计区 */
.stats-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.radar-container, .ranking-container {
    background: #1a1f2e;
    border-radius: 20px;
    padding: 20px;
    border: 1px solid #2a3040;
}

.radar-container h2, .ranking-container h2 {
    color: #4a9eff;
    margin-bottom: 20px;
    font-size: 1.2em;
}

#team-radar {
    width: 100%;
    height: auto;
    max-height: 300px;
}

/* 响应式 */
@media (max-width: 768px) {
    .stats-section {
        grid-template-columns: 1fr;
    }
    
    .controls-section {
        flex-direction: column;
    }
    
    .filter-buttons {
        justify-content: center;
    }
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* ===== 交互增强样式 ===== */

/* 搜索框增强 */
.search-box {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-box:focus {
    transform: scale(1.02);
    background: #1e2436;
}

/* 筛选按钮动画 */
.filter-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.filter-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.filter-btn:active::after {
    width: 100px;
    height: 100px;
}

/* 卡片网格动画 */
.developers-grid {
    transition: opacity 0.3s ease;
    min-height: 400px;
}

/* 卡片展开/收起动画 */
.dev-card {
    animation: cardPopIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

@keyframes cardPopIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* 键盘焦点样式 */
.dev-card:focus-visible {
    outline: 3px solid #ffd700;
    outline-offset: 2px;
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

/* 数字滚动动画 */
.stat-value {
    display: inline-block;
    transition: all 0.3s ease;
    font-feature-settings: "tnum";
}

/* 无结果提示 */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    color: #888;
    font-size: 18px;
    border: 2px dashed #2a3040;
    animation: fadeIn 0.5s ease;
}

/* 高亮筛选匹配项 */
.ranking-item.match-highlight {
    background: rgba(74, 158, 255, 0.2);
    border-left: 4px solid #4a9eff;
    transform: translateX(5px);
}

/* 淡入淡出动画增强 */
.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes fadeOut {
    from { 
        opacity: 1; 
        transform: translateY(0); 
    }
    to { 
        opacity: 0; 
        transform: translateY(-10px); 
    }
}

/* 响应式优化 */
@media (max-width: 768px) {
    .dev-card:focus-visible {
        transform: scale(1.01);
    }
    
    .filter-btn:active::after {
        width: 60px;
        height: 60px;
    }
}