.stats-page {
    padding: 20px 16px 10px;
    max-width: 1400px;
    margin: 0 auto;
}

.stats-page-header {
    text-align: center;
    margin-bottom: 32px;
}

.stats-page-header h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/*stats grid*/
.stats-overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}

.stat-overview-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(68, 85, 102, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-overview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--primary);
}

.stat-overview-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.stat-overview-value {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #00c9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
    line-height: 1.2;
}

.stat-overview-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/*graph*/
.stats-charts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.stats-chart-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(68, 85, 102, 0.2);
    position: relative;
    overflow: hidden;
}

.stats-chart-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stats-chart-card canvas {
    max-width: 100% !important;
    height: auto !important;
    max-height: 300px !important;
}

@media (min-width: 768px) {
    .stats-page {
        padding: 40px 24px 10px;
    }
    
    .stats-page-header h1 {
        font-size: 40px;
    }
    
    .stats-subtitle {
        font-size: 16px;
    }
    
    .stats-overview-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    
    .stats-charts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .stats-chart-card canvas {
        max-height: 350px !important;
    }
}

@media (min-width: 1024px) {
    .stats-page {
        padding: 50px 32px 10px;
    }
    
    .stats-page-header h1 {
        font-size: 48px;
    }
    
    .stats-overview-grid {
        gap: 20px;
    }
    
    .stat-overview-card {
        padding: 28px;
    }
    
    .stat-overview-icon {
        font-size: 48px;
    }
    
    .stat-overview-value {
        font-size: 40px;
    }
    
    .stat-overview-label {
        font-size: 13px;
    }
    
    .stats-charts-grid {
        gap: 28px;
    }
    
    .stats-chart-card {
        padding: 28px;
    }
    
    .stats-chart-title {
        font-size: 20px;
    }
    
    .stats-chart-card canvas {
        max-height: 400px !important;
    }
}

@media (max-width: 480px) {
    .stats-page {
        padding: 16px 12px 10px;
    }
    
    .stats-page-header h1 {
        font-size: 26px;
    }
    
    .stats-subtitle {
        font-size: 13px;
    }
    
    .stats-overview-grid {
        gap: 10px;
    }
    
    .stat-overview-card {
        padding: 16px 12px;
    }
    
    .stat-overview-icon {
        font-size: 28px;
        margin-bottom: 8px;
    }
    
    .stat-overview-value {
        font-size: 26px;
    }
    
    .stat-overview-label {
        font-size: 10px;
    }
    
    .stats-charts-grid {
        gap: 16px;
    }
    
    .stats-chart-card {
        padding: 16px;
    }
    
    .stats-chart-title {
        font-size: 16px;
    }
    
    .stats-chart-card canvas {
        max-height: 250px !important;
    }
}

@media (max-width: 360px) {
    .stats-page {
        padding: 12px 8px 5px;
    }
    
    .stats-page-header h1 {
        font-size: 22px;
    }
    
    .stats-overview-grid {
        gap: 8px;
    }
    
    .stat-overview-card {
        padding: 12px 8px;
    }
    
    .stat-overview-icon {
        font-size: 24px;
    }
    
    .stat-overview-value {
        font-size: 22px;
    }
    
    .stats-chart-card {
        padding: 12px;
    }
    
    .stats-chart-title {
        font-size: 14px;
    }
    
    .stats-chart-card canvas {
        max-height: 220px !important;
    }
}

/*loading*/
.stats-loading {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.stats-loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(59, 130, 246, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 24px;
    animation: spin 1s linear infinite;
}

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

.stats-loading-text {
    font-size: 16px;
    font-weight: 600;
}

.stats-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.stats-empty-icon {
    font-size: 72px;
    margin-bottom: 24px;
    opacity: 0.5;
}

.stats-empty-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.stats-empty-text {
    font-size: 16px;
    margin-bottom: 24px;
}

/*oups*/
.stats-error {
    text-align: center;
    padding: 80px 20px;
}

.stats-error-icon {
    font-size: 72px;
    margin-bottom: 24px;
}

.stats-error-title {
    font-size: 24px;
    font-weight: 700;
    color: #ef4444;
    margin-bottom: 12px;
}

.stats-error-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}