/* Modern Gold Price Forecasting Dashboard */
:root {
    --primary-gold: #FFD700;
    --dark-gold: #B8860B;
    --light-gold: #FFF8DC;
    --bg-primary: #0F1419;
    --bg-secondary: #1A1F2E;
    --bg-card: #242B3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0BEC5;
    --accent-green: #4CAF50;
    --accent-red: #F44336;
    --border-color: #37474F;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.header-content h1 {
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--primary-gold), var(--dark-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.status-indicators {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.status-item {
    text-align: center;
}

.status-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.status-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
}

.price {
    color: var(--primary-gold);
    font-size: 1.5rem !important;
}

/* Dashboard Grid */
.dashboard {
    display: grid;
    gap: 30px;
}

/* Price Cards */
.price-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.2);
}

.card-header {
    padding: 20px 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    color: var(--primary-gold);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.card-content {
    padding: 20px;
}

/* Prediction Card */
.prediction-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.prediction-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-gold);
}

.prediction-change {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
}

.prediction-change.positive {
    background: var(--accent-green);
    color: white;
}

.prediction-change.negative {
    background: var(--accent-red);
    color: white;
}

.confidence-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-red), var(--primary-gold), var(--accent-green));
    border-radius: 4px;
    transition: width 0.5s ease;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    gap: 15px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.trend.bullish {
    color: var(--accent-green);
}

.trend.bearish {
    color: var(--accent-red);
}

/* Model Performance */
.model-list {
    display: grid;
    gap: 10px;
}

.model-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.model-item.best {
    border-color: var(--primary-gold);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(255, 215, 0, 0.1));
}

.model-name {
    font-weight: 600;
}

.model-accuracy {
    color: var(--accent-green);
    font-weight: 700;
}

/* Backtesting Metrics */
.backtesting-metrics {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 10px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.metric-item {
    text-align: center;
    padding: 8px;
    background: var(--bg-primary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.metric-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.metric-value {
    display: block;
    color: var(--primary-gold);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Charts Section */
.charts-section {
    margin: 40px 0;
}

.chart-container {
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 20px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.chart-header h3 {
    color: var(--primary-gold);
    font-size: 1.3rem;
}

.chart-controls {
    display: flex;
    gap: 10px;
}

.chart-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    user-select: none;
}

.chart-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.2);
}

.chart-btn.active {
    background: var(--primary-gold);
    color: var(--bg-primary);
    border-color: var(--primary-gold);
    font-weight: 600;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

.chart-wrapper {
    position: relative;
    height: 400px;
    margin-top: 20px;
}

/* Model Comparison */
.model-comparison {
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 20px;
    margin: 30px 0;
}

.comparison-header h3 {
    color: var(--primary-gold);
    font-size: 1.3rem;
    margin-bottom: 20px;
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
    color: var(--text-secondary);
}

.footer a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--dark-gold);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 20, 25, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
}

.loading-content i {
    font-size: 3rem;
    color: var(--primary-gold);
    margin-bottom: 20px;
    animation: spin 1s linear infinite;
}

.loading-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .header-content h1 {
        font-size: 2rem;
    }
    
    .status-indicators {
        justify-content: center;
    }
    
    .price-cards {
        grid-template-columns: 1fr;
    }
    
    .chart-header {
        flex-direction: column;
        text-align: center;
    }
    
    .chart-wrapper {
        height: 300px;
    }
    
    .comparison-chart-wrapper {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .prediction-value {
        flex-direction: column;
        gap: 10px;
    }
    
    .prediction-price {
        font-size: 1.5rem;
    }
    
    .chart-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
}