/**
 * ============================================================================
 * ENHANCED DASHBOARD COMMAND CENTER
 * ============================================================================
 * 
 * Advanced dashboard with real-time analytics and command center features
 */

/* === DASHBOARD LAYOUT === */
.dashboard-command-center {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.dashboard-left,
.dashboard-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* === ENHANCED STATS GRID === */
.enhanced-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.enhanced-stat-card {
    background: linear-gradient(135deg, var(--card-bg), var(--bg-secondary));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.enhanced-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.enhanced-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.stat-value-large {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-change {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-xs);
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

/* === REAL-TIME PROGRESS === */
.realtime-progress-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.progress-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: between;
    align-items: center;
}

.progress-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.progress-body {
    padding: var(--spacing-lg);
}

.progress-main {
    margin-bottom: var(--spacing-lg);
}

.progress-bar-container {
    position: relative;
    height: 30px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), var(--info-color));
    transition: width 0.5s ease;
    position: relative;
}

.progress-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: var(--font-weight-semibold);
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

/* === ACTIVITY FEED === */
.activity-feed {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    height: 280px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.activity-header {
    background: var(--bg-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    font-weight: var(--font-weight-semibold);
}

.activity-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

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

.activity-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: white;
    flex-shrink: 0;
}

.activity-icon.download {
    background: var(--info-color);
}

.activity-icon.error {
    background: var(--danger-color);
}

.activity-icon.success {
    background: var(--success-color);
}

.activity-icon.info {
    background: var(--warning-color);
}

.activity-content {
    flex: 1;
}

.activity-message {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* === LIVE METRICS === */
.live-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.metric-trend {
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
}

/* === THREAD MONITOR === */
.thread-monitor {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.thread-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.thread-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.thread-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.thread-status.active {
    background: var(--success-color);
    box-shadow: 0 0 4px var(--success-color);
}

.thread-status.idle {
    background: var(--warning-color);
}

.thread-status.error {
    background: var(--danger-color);
}

/* === BANDWIDTH MONITOR === */
.bandwidth-chart {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    height: 200px;
    position: relative;
    overflow: hidden;
}

.bandwidth-line {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary-color);
    transform-origin: left;
    transition: all 0.3s ease;
}

/* === QUEUE STATUS === */
.queue-status {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.queue-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

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

.queue-progress {
    width: 100px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.queue-progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

/* === RESPONSIVE DASHBOARD === */
@media (max-width: 768px) {
    .dashboard-command-center {
        grid-template-columns: 1fr;
    }
    
    .enhanced-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .live-metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .activity-feed {
        height: 300px;
    }
}

/* === DARK THEME === */
[data-theme="dark"] .enhanced-stat-card {
    background: linear-gradient(135deg, var(--dark-bg-secondary), var(--dark-bg-tertiary));
}

[data-theme="dark"] .activity-feed {
    background: var(--dark-bg-secondary);
}

[data-theme="dark"] .thread-monitor,
[data-theme="dark"] .bandwidth-chart,
[data-theme="dark"] .queue-status {
    background: var(--dark-bg-secondary);
    border-color: var(--dark-border-color);
}

/* === ANIMATIONS === */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.downloading {
    animation: pulse 2s infinite;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.activity-item.new {
    animation: slideIn 0.3s ease;
}