* References Dashboard CSS - Mobile Responsive */

/* Statistics Cards */
.stats-card {
    transition: all 0.3s ease;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: none;
    overflow: hidden;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stats-card .card-body {
    padding: 1.5rem;
}

.stats-card .stats-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stats-card .stats-number {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.stats-card .stats-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

/* Border Left Colors */
.border-left-primary {
    border-left: 4px solid #4e73df !important;
}

.border-left-success {
    border-left: 4px solid #1cc88a !important;
}

.border-left-info {
    border-left: 4px solid #36b9cc !important;
}

.border-left-warning {
    border-left: 4px solid #f6c23e !important;
}

/* Quick Access Cards */
.quick-access-card {
    transition: all 0.3s ease;
    border-radius: 12px;
    border: 2px solid transparent;
    background: linear-gradient(135deg, #f8f9fc 0%, #ffffff 100%);
    height: 100%;
    min-height: 150px;
}

.quick-access-card:hover {
    transform: translateY(-3px);
    border-color: #4e73df;
    box-shadow: 0 8px 25px rgba(78, 115, 223, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fc 100%);
}

.quick-access-card .card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 100%;
}

.quick-access-card .quick-access-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.quick-access-card:hover .quick-access-icon {
    transform: scale(1.1);
}

.quick-access-card .quick-access-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.quick-access-card .quick-access-desc {
    font-size: 0.875rem;
    color: #6c757d;
    margin: 0;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-container canvas {
    max-height: 300px;
}

/* System Info Card */
.system-info-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    overflow: hidden;
}

.system-info-card .card-body {
    padding: 2rem;
}

.system-info-card .system-icon {
    font-size: 3rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.system-info-card .system-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.system-info-card .system-desc {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.system-info-card .info-stats {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.system-info-card .info-stat {
    flex: 1;
}

.system-info-card .info-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.system-info-card .info-stat-label {
    font-size: 0.75rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Loading States */
.loading-spinner {
    color: #4e73df;
    font-size: 1.5rem;
}

.error-state {
    color: #e74a3b;
    font-size: 1.5rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .stats-card .card-body {
        padding: 1rem;
    }
    
    .stats-card .stats-number {
        font-size: 1.5rem;
    }
    
    .stats-card .stats-icon {
        font-size: 2rem;
    }
    
    .quick-access-card {
        min-height: 120px;
        margin-bottom: 1rem;
    }
    
    .quick-access-card .card-body {
        padding: 1rem;
    }
    
    .quick-access-card .quick-access-icon {
        font-size: 2.5rem;
        margin-bottom: 0.75rem;
    }
    
    .quick-access-card .quick-access-title {
        font-size: 1rem;
    }
    
    .quick-access-card .quick-access-desc {
        font-size: 0.8rem;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .system-info-card .card-body {
        padding: 1.5rem;
    }
    
    .system-info-card .system-icon {
        font-size: 2.5rem;
    }
    
    .system-info-card .info-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .system-info-card .info-stat {
        border-bottom: 1px solid rgba(255,255,255,0.2);
        padding-bottom: 0.5rem;
    }
    
    .system-info-card .info-stat:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
}

@media (max-width: 576px) {
    .stats-card .stats-number {
        font-size: 1.25rem;
    }
    
    .stats-card .stats-label {
        font-size: 0.75rem;
    }
    
    .quick-access-card {
        min-height: 100px;
    }
    
    .quick-access-card .quick-access-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .quick-access-card .quick-access-title {
        font-size: 0.9rem;
    }
    
    .quick-access-card .quick-access-desc {
        font-size: 0.75rem;
    }
    
    .chart-container {
        height: 200px;
    }
    
    .system-info-card .card-body {
        padding: 1rem;
    }
    
    .system-info-card .system-icon {
        font-size: 2rem;
    }
    
    .system-info-card .system-title {
        font-size: 1.1rem;
    }
    
    .system-info-card .system-desc {
        font-size: 0.8rem;
    }
}

/* Extra Small Devices */
@media (max-width: 480px) {
    .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .stats-card .card-body {
        padding: 0.75rem;
    }
    
    .quick-access-card .card-body {
        padding: 0.75rem;
    }
    
    .chart-container {
        height: 180px;
    }
}

/* Animation for cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stats-card,
.quick-access-card {
    animation: fadeInUp 0.6s ease-out;
}

.stats-card:nth-child(1) { animation-delay: 0.1s; }
.stats-card:nth-child(2) { animation-delay: 0.2s; }
.stats-card:nth-child(3) { animation-delay: 0.3s; }
.stats-card:nth-child(4) { animation-delay: 0.4s; }

/* Hover effects for better UX */
.quick-access-card a {
    text-decoration: none;
    color: inherit;
}

.quick-access-card a:hover {
    text-decoration: none;
    color: inherit;
}

/* Custom scrollbar for better mobile experience */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}