/* 全局样式设置 */
:root {
    --primary-color: #0a192f;
    --secondary-color: #112240;
    --accent-color: #64ffda;
    --text-primary: #e6f1ff;
    --text-secondary: #8892b0;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --padding: 2rem;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: var(--transition);
}

a:hover {
    opacity: 0.8;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    background-color: var(--secondary-color);
    color: var(--text-primary);
    font-weight: 600;
    transition: var(--transition);
}

button:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

button.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
}

/* 页面布局 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--padding);
    background-color: var(--secondary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
    color: var(--accent-color);
}

.logo p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem;
    transition: var(--transition);
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--accent-color);
}

main {
    min-height: 100vh;
}
/* 仪表盘区域 */
.dashboard {
    padding: var(--padding);
    background-color: var(--primary-color);
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: 2rem;
}

/* 统计面板 */
.stats-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-gap: 1rem;
    margin-bottom: 1rem;
}

.stat-card {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.stat-card h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.2rem;
}

.stat-unit {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 地图容器 */
.map-container {
    position: relative;
    height: 60vh;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

#world-map {
    width: 100%;
    height: 100%;
    background-color: #0a1522;
}

/* 修改时间显示的位置 */
.map-overlay {
    position: absolute;
    bottom: 0; /* 从顶部改为底部 */
    left: 0;
    width: 100%;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    z-index: 10;
}

.time-display {
    display: flex;
    align-items: center;
    background-color: rgba(17, 34, 64, 0.7);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
}

.time-icon {
    margin-right: 0.5rem;
}

.time-icon svg {
    fill: var(--accent-color);
}

.current-time {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    color: var(--accent-color);
}

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

/* 数据面板 */
.data-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-gap: 2rem;
}

.panel {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.panel h3 {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart {
    height: 200px;
    overflow: hidden;
}

.log-container {
    height: 200px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 0.5rem;
    background-color: rgba(10, 25, 47, 0.5);
    border-radius: 4px;
}

.log-entry {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(136, 146, 176, 0.1);
}

.log-entry:last-child {
    border-bottom: none;
}



/* 页脚 */
footer {
    background-color: var(--secondary-color);
    padding: var(--padding);
    color: var(--text-secondary);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(136, 146, 176, 0.2);
}

/* 动画效果 */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s ease-in;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 1rem;
    }
    
    nav ul {
        margin-top: 1rem;
    }
    
    .hero {
        height: auto;
        padding: 4rem 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .dashboard {
        padding: 1rem;
    }
    
    .map-container {
        height: 50vh;
    }
    
    .map-overlay {
        flex-direction: column;
        gap: 1rem;
    }
    
    .controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .data-panels {
        grid-template-columns: 1fr;
    }
}

/* 动态连接线效果 */
.connection-line {
    stroke: var(--accent-color);
    stroke-width: 1;
    stroke-dasharray: 5;
    animation: dash 30s linear infinite;
    opacity: 0.6;
}

@keyframes dash {
    to {
        stroke-dashoffset: 1000;
    }
}

/* 数据点效果 */
.data-point {
    fill: var(--accent-color);
    animation: pulse 2s infinite;
}

/* 地图国家效果 */
.country {
    fill: var(--secondary-color);
    stroke: #2a3f5f;
    stroke-width: 0.5;
    transition: fill 0.3s ease;
}

.country:hover {
    fill: var(--accent-color);
    cursor: pointer;
}

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

::-webkit-scrollbar-track {
    background: var(--primary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}