/* 金融终端风格样式 - Terminal Theme */

:root {
    /* 基础配色 */
    --bg-primary: #0a0a0f;
    --bg-secondary: #14141f;
    --bg-card: #1a1a2e;
    --bg-hover: #252538;
    
    /* 数据颜色 */
    --color-up: #00ff88;
    --color-down: #ff4757;
    --color-gold: #ffd700;
    --color-warn: #ffa502;
    --color-info: #74b9ff;
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    /* 边框 */
    --border-color: #2a2a3a;
    --border-hover: #3a3a4a;
    
    /* 字体 */
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 等宽字体用于数据 */
.mono {
    font-family: var(--font-mono);
}

/* 顶部状态栏 */
.top-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-gold), #ffed4e);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--bg-primary);
    font-size: 14px;
}

.brand-text {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.top-status {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 13px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.status-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-up);
    animation: pulse 2s infinite;
}

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

/* 左侧导航 */
.sidebar {
    position: fixed;
    left: 0;
    top: 48px;
    bottom: 0;
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 900;
}

.nav-section {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-title {
    padding: 0 20px 8px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.nav-list {
    list-style: none;
}

.nav-item {
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: var(--bg-hover);
    border-left-color: var(--color-gold);
}

.nav-item.active {
    background: var(--bg-card);
    border-left-color: var(--color-gold);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.nav-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.nav-item.active .nav-text,
.nav-item:hover .nav-text {
    color: var(--text-primary);
}

.nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--bg-primary);
    border-radius: 12px;
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* 主内容区 */
.main-content {
    margin-left: 240px;
    margin-top: 48px;
    padding: 24px;
    min-height: calc(100vh - 48px);
}

/* 页面标题 */
.page-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title-icon {
    color: var(--color-gold);
}

.page-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar .nav-text,
    .sidebar .nav-title,
    .sidebar .nav-badge { display: none; }
    .main-content { margin-left: 60px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* 数据卡片 */
.data-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: border-color 0.2s;
}

.data-card:hover {
    border-color: var(--border-hover);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.card-badge {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-live {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-up);
    animation: pulse 2s infinite;
}

.badge-up {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-up);
}

.badge-down {
    background: rgba(255, 71, 87, 0.1);
    color: var(--color-down);
}

.card-value {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-change {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.change-up {
    color: var(--color-up);
}

.change-down {
    color: var(--color-down);
}

.change-neutral {
    color: var(--text-muted);
}

.card-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

/* 图表容器 */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

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

.chart-title {
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-title::before {
    content: '';
    width: 3px;
    height: 16px;
    background: var(--color-gold);
    border-radius: 2px;
}

.chart-controls {
    display: flex;
    gap: 8px;
}

.chart-btn {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.chart-btn:hover,
.chart-btn.active {
    background: var(--bg-hover);
    border-color: var(--color-gold);
    color: var(--text-primary);
}

.chart-body {
    height: 320px;
    position: relative;
}

/* 数据表格 */
.data-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.data-table-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-table-title {
    font-size: 14px;
    font-weight: 600;
}

.data-table-actions {
    display: flex;
    gap: 8px;
}

.table-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.table-btn:hover {
    border-color: var(--color-gold);
    color: var(--text-primary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* 信号标签 */
.signal-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.signal-buy {
    background: rgba(0, 255, 136, 0.15);
    color: var(--color-up);
}

.signal-sell {
    background: rgba(255, 71, 87, 0.15);
    color: var(--color-down);
}

.signal-hold {
    background: rgba(255, 165, 2, 0.15);
    color: var(--color-warn);
}

/* 项目卡片（主页） */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.project-card:hover::before {
    opacity: 1;
}

.project-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.project-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 加载动画 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}

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

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

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