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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 模式切换（全局 / 项目） */
.mode-switch {
    display: flex;
    background: rgba(255, 255, 255, 0.06);
    padding: 4px;
    border-radius: 14px;
    gap: 4px;
    margin: 0 1.5rem;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
}

.mode-btn {
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: .5px;
    transition: all .25s ease;
}

.mode-btn:hover { color:#fff; background: rgba(255,255,255,0.08); }
.mode-btn.active { background: linear-gradient(135deg,#00d4ff,#0099cc); color:#fff; box-shadow:0 4px 15px rgba(0,212,255,.35); }

.hidden { display: none !important; }

/* 项目模式布局 */
.project-mode { margin-bottom: 2rem; }
.project-layout { display: flex; gap: 1.25rem; }

.project-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 1rem 1rem 1.25rem;
    max-height: 70vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-sidebar-header { margin-bottom: .75rem; }
.project-sidebar-header h3 { margin:0 0 .5rem 0; font-size:1rem; font-weight:600; color:#fff; }
.project-sidebar-header input {
    width: 100%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color:#fff; padding:.5rem .75rem; border-radius:8px; outline:none; font-size:.85rem;
}
.project-sidebar-header input:focus { border-color:#00d4ff; box-shadow:0 0 0 2px rgba(0,212,255,.25); }

.project-list { list-style:none; margin:0; padding:0; overflow-y:auto; scrollbar-width:thin; flex:1; }
.project-list li { padding:.55rem .6rem; font-size:.85rem; border-radius:8px; display:flex; align-items:center; justify-content:space-between; gap:.5rem; cursor:pointer; transition:background .2s ease; }
.project-list li:hover { background: rgba(255,255,255,0.08); }
.project-list li.active { background: linear-gradient(135deg,#00d4ff,#0099cc); box-shadow:0 4px 15px rgba(0,212,255,.3); }
.project-list li .repo-name { flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.project-list li .repo-mini-score { font-weight:600; font-size:.75rem; color:#00d4ff; }
.project-list li.active .repo-mini-score { color:#fff; }

.project-content {
    flex: 1;
    min-height: 400px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 1.25rem 1.5rem 1.75rem;
    position: relative;
    width: 100%;
}

/* 让主体容器在项目模式下可拉伸利用剩余空间 */
.container { max-width: 100%; }

.project-placeholder { text-align:center; padding:3rem 1rem; color:rgba(255,255,255,0.6); }
.project-placeholder h3 { font-size:1.15rem; font-weight:600; margin-bottom:.75rem; color:#fff; }

.project-header-inline { display:flex; align-items:flex-start; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-bottom:1rem; }
.project-header-inline h2 { margin:0; font-size:1.25rem; font-weight:700; }
.badge { display:inline-block; padding:.25rem .6rem; font-size:.65rem; letter-spacing:.5px; background:rgba(0,212,255,.15); border:1px solid rgba(0,212,255,.4); border-radius:6px; color:#00d4ff; font-weight:600; }
.badge.approx { background:rgba(255,193,7,.15); border-color:rgba(255,193,7,.4); color:#ffc107; }
.badge.full { background:rgba(0,255,136,.15); border-color:rgba(0,255,136,.4); color:#00ff88; }

.split-panels { display:grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap:1.25rem; margin-top:.5rem; }
.panel-box { background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.08); border-radius:14px; padding:1rem 1.1rem; position:relative; }
.panel-box h4 { margin:0 0 .75rem 0; font-size:.95rem; font-weight:600; letter-spacing:.5px; color:#fff; }
.mini-table { width:100%; border-collapse:collapse; font-size:.75rem; }
.mini-table th, .mini-table td { padding:.4rem .5rem; border-bottom:1px solid rgba(255,255,255,0.06); text-align:left; }
.mini-table th { background:rgba(255,255,255,0.05); font-weight:600; }
.mini-table tbody tr:hover { background:rgba(255,255,255,0.05); }
.chart-slot { height:200px; }

/* 新版项目模式扩展布局 */
/* 项目模式核心网格：三列均衡 + 时间序列占满第二行 */
/* 保留旧类兼容暂不删除，但现在用 flex 顶行 */
.project-grid-expanded { display:none; }

.project-top-row {
    display:flex;
    gap:1.15rem;
    width:100%;
    align-items:stretch;
}
.project-top-row .panel-box { flex:1 1 0; display:flex; flex-direction:column; }
/* 三块等宽 */
.project-top-row .panel-ranking,
.project-top-row .panel-activity,
.project-top-row .panel-metrics { flex:1 1 0; }

/* 贡献者排名表滚动限制（之前只在 .project-grid-expanded 下生效，这里为新布局补齐） */
.project-top-row .panel-ranking .table-wrap-scroll {
    max-height: 480px; /* 可根据需要再调，如 400 / 440 */
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 2px; /* 给滚动条留空间避免遮住数据 */
}
.project-top-row .panel-ranking .table-wrap-scroll::-webkit-scrollbar { width: 6px; }
.project-top-row .panel-ranking .table-wrap-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.25); border-radius: 3px; }
.project-top-row .panel-ranking .table-wrap-scroll::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.45); }

@media (max-width: 1200px){
    .project-top-row { flex-wrap:wrap; }
    .project-top-row .panel-box { flex:1 1 calc(50% - 1.15rem); }
    .project-top-row .panel-metrics { order:3; }
}
@media (max-width: 820px){
    .project-top-row .panel-box { flex:1 1 100%; }
}
.project-grid-expanded .panel-box { height:100%; display:flex; flex-direction:column; }
.project-grid-expanded .panel-box .table-wrap-scroll { overflow:auto; max-height:380px; }

/* 时间序列面板在新布局下全宽 */
.panel-timeseries { width:100%; }

/* Remove residual span sizing influence when using template areas */
.project-grid-expanded .panel-box.span-2,
.project-grid-expanded .panel-box.span-3,
.project-grid-expanded .panel-box.span-4 { grid-column: auto; }

/* 原响应式网格规则移除，改由 flex wrap 控制 */

/* 项目模式宽度限制：防止过宽拉伸（最小1200px，最大1680px，中间按视口92%） */
body.project-mode-active .container { max-width: clamp(1200px, 92vw, 1680px); margin:0 auto; padding-left:1.2rem; padding-right:1.2rem; }
body.project-mode-active .project-content { padding-right: 2rem; }
body.project-mode-active .project-grid-expanded .panel-box { min-height: 260px; }
body.project-mode-active .panel-ranking { padding-right: .75rem; }
body.project-mode-active .panel-ranking .table-wrap-scroll { max-height: 420px; }

@media (min-width:1400px){
    .project-grid-expanded { grid-template-columns: repeat(8, 1fr); }
    .project-grid-expanded .panel-box.span-2 { grid-column: span 3; }
    .project-grid-expanded .panel-box.span-4 { grid-column: span 5; }
}

.metric-list { list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr; gap:.55rem; font-size:.7rem; }
.metric-list li { display:flex; justify-content:space-between; background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.06); padding:.45rem .6rem; border-radius:8px; }
.metric-list li span { opacity:.7; }
.metric-list li strong { font-weight:600; color:#00d4ff; }

.mini-table thead th { position:sticky; top:0; background:rgba(255,255,255,0.08); backdrop-filter:blur(6px); }
.mini-table tbody tr td { white-space:nowrap; }

/* 滚动条微调表内 */
.table-wrap-scroll::-webkit-scrollbar { width:6px; }
.table-wrap-scroll::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.25); border-radius:3px; }
.table-wrap-scroll::-webkit-scrollbar-thumb:hover { background:rgba(255,255,255,0.4); }

@media (max-width: 980px){
  .project-layout { flex-direction:column; }
  .project-sidebar { width:100%; max-height:220px; flex-direction:column; }
  .project-content { min-height:300px; }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #00d4ff;
}

.logo i {
    font-size: 2rem;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    -webkit-background-clip: text;
    background-clip: text; /* 标准属性，提升兼容性 */
    -webkit-text-fill-color: transparent;
}

.nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.nav-btn.active {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.header-actions {
    display: flex;
    gap: 1rem;
}


/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 主要内容区域 */
.main-content {
    margin-bottom: 2rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

/* 统计卡片网格 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 212, 255, 0.3);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #00d4ff;
}

.stat-info h3 {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    display: block;
    margin-bottom: 0.25rem;
}

.stat-change {
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-change.positive {
    color: #00ff88;
}

.stat-change.negative {
    color: #ff4757;
}

/* 图表网格 */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.chart-container {
    height: 300px;
    position: relative;
}

/* 排名表格 */
.ranking-table {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    overflow: hidden;
}

.table-header {
    display: grid;
    grid-template-columns: 80px 1fr 120px 100px;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
}

.table-body {
    max-height: 400px;
    overflow-y: auto;
}

.ranking-item {
    display: grid;
    grid-template-columns: 80px 1fr 120px 100px;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

.ranking-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.ranking-item:last-child {
    border-bottom: none;
}

.rank {
    font-weight: 700;
    color: #00d4ff;
}

.rank-1 { color: #ffd700; }
.rank-2 { color: #c0c0c0; }
.rank-3 { color: #cd7f32; }

/* 面板头部 */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.panel-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.filter-controls select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    outline: none;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border-radius: 8px;
    outline: none;
    width: 250px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 仓库网格 - 增强版 */
.repo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.repo-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.repo-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 255, 0.4);
    border-color: rgba(0, 212, 255, 0.3);
}

.repo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00d4ff, #0099cc);
    opacity: 0.8;
}

.repo-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.repo-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.repo-info {
    flex: 1;
}

.repo-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.repo-rank {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.repo-score {
    font-size: 1.5rem;
    font-weight: 800;
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.repo-metrics {
    margin-bottom: 1.5rem;
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.metric i {
    font-size: 1.2rem;
    color: #00d4ff;
    margin-bottom: 0.5rem;
    display: block;
}

.metric-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.repo-progress {
    margin-bottom: 1.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.repo-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.repo-actions {
    display: flex;
    gap: 0.75rem;
}

.repo-actions .btn-secondary {
    flex: 1;
    padding: 0.75rem;
    font-size: 0.9rem;
}

/* 仓库卡片动画 */
.repo-card:nth-child(odd) {
    border-left: 4px solid rgba(0, 212, 255, 0.5);
}

.repo-card:nth-child(even) {
    border-left: 4px solid rgba(0, 255, 136, 0.5);
}

.repo-card:nth-child(3n) {
    border-left: 4px solid rgba(255, 193, 7, 0.5);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .repo-grid {
        grid-template-columns: 1fr;
    }
    
    .metric-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .repo-header {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .repo-actions {
        flex-direction: column;
    }
}

/* 特殊效果 */
.repo-card:hover .repo-icon {
    transform: rotate(10deg) scale(1.1);
    transition: transform 0.3s ease;
}

.repo-card:hover .repo-score {
    background: rgba(0, 212, 255, 0.2);
    transform: scale(1.05);
    transition: all 0.3s ease;
}

/* 设置网格 */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.setting-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.setting-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.setting-item {
    margin-bottom: 1rem;
}

.setting-item label {
    display: block;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.setting-item input {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem;
    border-radius: 8px;
    outline: none;
}

.setting-item input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

/* 网络图谱 */
.graph-container {
    height: 600px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.graph-controls {
    display: flex;
    gap: 0.5rem;
}

/* 页脚 */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
}

.status-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff88;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.footer-info {
    display: flex;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* 加载覆盖层 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 35, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
    color: #00d4ff;
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.loading-spinner p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .panel-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 动画效果 */
@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.6); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 5px rgba(0, 212, 255, 0.3),
                   0 0 10px rgba(0, 212, 255, 0.2);
    }
    50% { 
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.6),
                   0 0 30px rgba(0, 212, 255, 0.4);
    }
}

@keyframes slide-in {
    from { 
        opacity: 0;
        transform: translateX(-30px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fade-in-up {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.glow-effect {
    animation: glow 2s ease-in-out infinite;
}

.float-effect {
    animation: float 3s ease-in-out infinite;
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.slide-in {
    animation: slide-in 0.6s ease-out;
}

.fade-in-up {
    animation: fade-in-up 0.8s ease-out;
}

/* 增强的卡片悬停效果 */
.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 255, 0.4);
}

.chart-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(0, 212, 255, 0.3);
}

.repo-card:hover {
    transform: translateY(-6px) rotate(1deg);
    box-shadow: 
        0 18px 38px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(0, 255, 136, 0.3);
}

/* 增强的按钮效果 */
.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 
        0 12px 25px rgba(0, 212, 255, 0.5),
        0 0 15px rgba(0, 212, 255, 0.3);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 255, 255, 0.2);
}

/* 进度条样式 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #0099cc);
    border-radius: 4px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin: 0.25rem;
}

.tag-primary {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.tag-success {
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.tag-warning {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #00d4ff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 网格布局增强 */
.grid-responsive {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* 响应式设计增强 */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: 1rem 0;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .nav {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* 暗色模式优化 */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #0a0a1a 0%, #141428 50%, #1e1e3e 100%);
    }
}

/* 开发者分析样式 */
.developer-analysis-header {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.analysis-summary {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.summary-item i {
    color: #00d4ff;
}

.developers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.developer-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.developer-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 212, 255, 0.3);
}

.developer-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.developer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.developer-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #ffffff;
}

.developer-rank {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.rank-badge {
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.developer-stats {
    margin-bottom: 1rem;
}

.stat-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.stat-label {
    min-width: 80px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.stat-value {
    min-width: 40px;
    font-weight: 600;
    color: #ffffff;
}

.developer-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.metric {
    text-align: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.25rem;
}

.metric-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
}

.metric-value.positive {
    color: #00ff88;
}

.metric-value.negative {
    color: #ff4757;
}

.developer-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.developer-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.chart-section {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
}

.chart-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.no-results {
    text-align: center;
    padding: 3rem;
    color: rgba(255, 255, 255, 0.5);
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.3);
}

.no-results h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 打印样式优化 */
@media print {
    .header-actions,
    .nav,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .stat-card,
    .chart-card {
        border: 1px solid #ddd;
        background: white;
    }
}

/* 模态窗口 (仓库详情) */
.modal {
    position: fixed;
    inset: 0; /* top:0; right:0; bottom:0; left:0 */
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.55);
    z-index: 1200;
    padding: 2rem;
}

.modal.open {
    display: flex;
}

.modal .modal-content {
    background: linear-gradient(180deg, rgba(20,20,35,0.98), rgba(16,16,28,0.98));
    color: #fff;
    border-radius: 12px;
    max-width: 1100px;
    width: 100%;
    max-height: 80vh;
    overflow: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 1rem 1.25rem;
}

.modal .modal-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 1.6rem;
    cursor: pointer;
    opacity: 0.9;
}

.modal #repo-detail-title {
    margin: 0 0 0.5rem 0;
    padding-right: 2.5rem; /* to avoid overlap with close btn */
}

.modal #repo-detail-summary {
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.9);
    font-size: 0.95rem;
}

.modal #repo-detail-contributors {
    margin-bottom: 1rem;
}

/* 简单表格样式，用于贡献者列表 */
.simple-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.simple-table thead th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.9);
}

.simple-table tbody td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: rgba(255,255,255,0.85);
}

.simple-table tbody tr:hover td {
    background: rgba(255,255,255,0.02);
}

/* ensure the repo timeseries canvas has a minimum height */
#repo-detail-timeseries {
    width: 100% !important;
    height: 220px !important;
}

@media (max-width: 768px) {
    .modal .modal-content { padding: 0.75rem; max-width: 100%; }
    .modal #repo-detail-title { font-size: 1rem; }
}