/**
 * 顶级企业数据大屏设计
 * 灵感来源：Bloomberg Terminal + 阿里云DataV
 */

/* 全局增强 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: #0a0e27;
    color: #ffffff;
    overflow-x: hidden;
}

/* 动态粒子背景 */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

/* 主容器 */
.premium-container {
    position: relative;
    z-index: 1;
}

/* 顶部导航栏增强 */
.premium-navbar {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(52, 211, 153, 0.1);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.premium-navbar-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.premium-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.premium-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #34d399, #3b82f6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(52, 211, 153, 0);
    }
}

.premium-logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #34d399, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.premium-logo-text p {
    font-size: 11px;
    color: #64748b;
    margin-top: -2px;
}

/* Hero超级增强版 */
.premium-hero {
    position: relative;
    padding: 80px 0 60px;
    overflow: hidden;
}

.premium-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.premium-hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(52, 211, 153, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(52, 211, 153, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.premium-hero-content {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    text-align: center;
}

.premium-hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: #34d399;
    margin-bottom: 24px;
    animation: fadeInDown 0.8s ease;
}

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

.premium-hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #34d399 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.premium-hero-subtitle {
    font-size: 20px;
    color: #94a3b8;
    margin-bottom: 48px;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.premium-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.premium-stat-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.premium-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #34d399, #3b82f6);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.premium-stat-card:hover::before {
    transform: scaleX(1);
}

.premium-stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(52, 211, 153, 0.5);
    box-shadow: 0 20px 60px rgba(52, 211, 153, 0.2);
}

.premium-stat-label {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.premium-stat-value {
    font-size: 42px;
    font-weight: 800;
    font-family: 'Roboto Mono', monospace;
    background: linear-gradient(135deg, #34d399, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.premium-stat-change {
    margin-top: 12px;
    font-size: 14px;
    color: #34d399;
    font-weight: 600;
}

/* 主要内容区域 */
.premium-main {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 32px 60px;
}

/* 数据概览卡片 */
.premium-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.premium-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.premium-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.premium-card:hover::after {
    opacity: 1;
}

.premium-card:hover {
    transform: translateY(-4px);
    border-color: rgba(52, 211, 153, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.premium-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.premium-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #e2e8f0;
}

.premium-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid rgba(52, 211, 153, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.premium-card-value {
    font-size: 48px;
    font-weight: 800;
    font-family: 'Roboto Mono', monospace;
    color: #ffffff;
    margin-bottom: 8px;
    line-height: 1;
}

.premium-card-trend {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
}

.premium-card-trend.up {
    color: #34d399;
}

.premium-card-trend.down {
    color: #f87171;
}

.premium-mini-chart {
    height: 50px;
    margin-top: 16px;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 8px;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

/* 左侧导航栏（金属选择器重新设计）*/
.premium-sidebar {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: 90px;
}

.premium-sidebar-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.premium-sidebar-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.premium-sidebar-title i {
    color: #34d399;
}

.premium-sidebar-current {
    font-size: 12px;
    color: #34d399;
    font-weight: 600;
}

.premium-metal-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.premium-metal-category-group {
    margin-bottom: 16px;
}

.premium-category-title {
    font-size: 11px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    padding: 8px 12px;
    margin-bottom: 4px;
}

.premium-metal-nav-item {
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.premium-metal-nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-left-color: #34d399;
}

.premium-metal-nav-item.active {
    background: linear-gradient(90deg, rgba(52, 211, 153, 0.2), rgba(52, 211, 153, 0.05));
    border-left-color: #34d399;
    box-shadow: 0 2px 10px rgba(52, 211, 153, 0.2);
}

.premium-metal-nav-name {
    font-size: 13px;
    font-weight: 500;
    color: #e2e8f0;
}

.premium-metal-nav-item.active .premium-metal-nav-name {
    color: #34d399;
    font-weight: 700;
}

.premium-metal-nav-arrow {
    font-size: 12px;
    color: #64748b;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.premium-metal-nav-item:hover .premium-metal-nav-arrow,
.premium-metal-nav-item.active .premium-metal-nav-arrow {
    opacity: 1;
    color: #34d399;
}

/* 图表和导航栏布局 */
.premium-chart-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

/* 主内容区域 */
.premium-content {
    min-width: 0;
}

/* 图表容器增强 */
.premium-chart {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 32px;
}

.premium-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.premium-chart-title {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 12px;
}

.premium-chart-title i {
    color: #34d399;
}

.premium-chart-controls {
    display: flex;
    gap: 8px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.premium-chart-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.premium-chart-btn.active {
    background: linear-gradient(135deg, #34d399, #3b82f6);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(52, 211, 153, 0.3);
}

.premium-chart-wrapper {
    height: 500px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

/* 实时状态栏 - 底部页脚 */
.premium-status-bar {
    background: rgba(52, 211, 153, 0.05);
    border: 1px solid rgba(52, 211, 153, 0.2);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.premium-status-bar .status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #34d399;
    border-radius: 50%;
    margin-right: 8px;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.premium-status-text {
    color: #94a3b8;
    font-size: 14px;
    font-weight: 500;
}

.premium-status-text strong {
    color: #34d399;
    font-weight: 700;
}

/* 加载动画增强 */
.premium-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.premium-loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(52, 211, 153, 0.1);
    border-top-color: #34d399;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 统计信息面板 */
.premium-stats-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
}

.premium-stats-panel-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.premium-stats-panel-title i {
    color: #34d399;
}

.premium-stats-grid-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.premium-stat-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid rgba(52, 211, 153, 0.1);
}

.premium-stat-item-label {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 8px;
    font-weight: 600;
}

.premium-stat-item-value {
    font-size: 20px;
    font-weight: 700;
    color: #34d399;
    font-family: 'Roboto Mono', monospace;
}

.premium-stat-item-value.high {
    color: #f87171;
}

.premium-stat-item-value.low {
    color: #34d399;
}

/* 响应式 */
@media (max-width: 1200px) {
    .premium-chart-layout {
        grid-template-columns: 1fr;
    }
    
    .premium-sidebar {
        position: static;
        order: 2;
    }
    
    .premium-content {
        order: 1;
    }
}

@media (max-width: 768px) {
    .premium-hero-title {
        font-size: 36px;
    }
    
    .premium-stats-grid,
    .premium-overview {
        grid-template-columns: 1fr;
    }
    
    .premium-chart-wrapper {
        height: 300px;
    }
    
    .premium-stats-grid-info {
        grid-template-columns: 1fr;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #34d399, #3b82f6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2dd4bf, #60a5fa);
}