/* ========================================
   Neural Pulse - Custom Properties
   ======================================== */

:root {
    /* Color Palette */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #121212;
    --color-bg-card: #1a1a1a;
    --color-accent-primary: #00ff88;
    --color-accent-secondary: #ff006e;
    --color-accent-tertiary: #8b5cf6;
    --color-text-primary: #ffffff;
    --color-text-secondary: #999999;
    --color-text-muted: #666666;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-display: 'Courier New', 'Courier', monospace;
    --font-body: 'Menlo', 'Monaco', 'Consolas', monospace;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ========================================
   Animated Grid Background
   ======================================== */

.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    z-index: 1;
}

/* ========================================
   Header Section
   ======================================== */

.header {
    margin-bottom: var(--spacing-xl);
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(0, 255, 136, 0.05) 100%);
    border: 2px solid var(--color-accent-primary);
    border-radius: 0;
    position: relative;
    overflow: hidden;
}

.header-content::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-accent-primary), var(--color-accent-secondary), var(--color-accent-tertiary));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.header-content:hover::before {
    opacity: 0.1;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.pulse-indicator {
    width: 20px;
    height: 20px;
    background-color: var(--color-accent-primary);
    border-radius: 50%;
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

.pulse-indicator::before,
.pulse-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulseRing 2s ease-out infinite;
}

.pulse-indicator::after {
    animation-delay: 1s;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(0, 255, 136, 0);
    }
}

@keyframes pulseRing {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

.title {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.title-main {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-text-primary);
    text-transform: uppercase;
}

.title-sub {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    letter-spacing: 0.5em;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    margin-left: 0.2em;
}

.status-bar {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent-primary);
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.status-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    letter-spacing: 0.2em;
}

.status-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.status-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Metrics Grid
   ======================================== */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Metric Cards
   ======================================== */

.metric-card,
.chart-card,
.domain-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    animation: fadeInUp 0.6s ease both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.metric-card:hover,
.chart-card:hover,
.domain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.metric-card::before,
.chart-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    transition: width var(--transition-medium);
}

.card-1::before {
    background: var(--color-accent-primary);
}

.card-2::before {
    background: var(--color-accent-secondary);
}

.card-3::before {
    background: var(--color-accent-tertiary);
}

.card-4::before {
    background: linear-gradient(to bottom, var(--color-accent-primary), var(--color-accent-secondary));
}

.card-5::before {
    background: linear-gradient(to bottom, var(--color-accent-secondary), var(--color-accent-tertiary));
}

.metric-card:hover::before,
.chart-card:hover::before {
    width: 8px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.card-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
}

.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.big-number {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

.big-number .unit {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-left: 0.25rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.trend-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.trend-indicator.positive {
    color: var(--color-accent-primary);
}

.trend-indicator svg {
    width: 16px;
    height: 16px;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-secondary), var(--color-accent-tertiary));
    transition: width var(--transition-slow);
    animation: progressGlow 2s ease-in-out infinite;
}

@keyframes progressGlow {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.progress-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* Latency Bars */
.latency-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 60px;
    margin-top: var(--spacing-sm);
}

.latency-bar {
    flex: 1;
    background: linear-gradient(to top, var(--color-accent-tertiary), rgba(139, 92, 246, 0.3));
    border-radius: 2px;
    animation: latencyPulse 2s ease-in-out infinite;
}

.latency-bar:nth-child(1) { animation-delay: 0s; }
.latency-bar:nth-child(2) { animation-delay: 0.1s; }
.latency-bar:nth-child(3) { animation-delay: 0.2s; }
.latency-bar:nth-child(4) { animation-delay: 0.3s; }
.latency-bar:nth-child(5) { animation-delay: 0.4s; }
.latency-bar:nth-child(6) { animation-delay: 0.5s; }
.latency-bar:nth-child(7) { animation-delay: 0.6s; }

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

/* ========================================
   Chart Cards
   ======================================== */

.chart-card {
    grid-column: span 2;
}

.chart-container {
    height: 250px;
    padding-top: var(--spacing-md);
}

@media (max-width: 900px) {
    .chart-card {
        grid-column: span 1;
    }
}

/* ========================================
   Domain Cards
   ======================================== */

.domain-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.domain-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-medium);
}

.domain-card:hover .domain-icon {
    transform: scale(1.1) rotate(5deg);
}

.domain-icon svg {
    width: 30px;
    height: 30px;
}

.nlp-icon {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-accent-primary);
}

.vision-icon {
    background: rgba(255, 0, 110, 0.1);
    color: var(--color-accent-secondary);
}

.audio-icon {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-accent-tertiary);
}

.domain-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-text-primary);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.domain-stat {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.domain-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

/* Sparkline */
.sparkline {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 40px;
    width: 100%;
}

.spark-bar {
    flex: 1;
    background: linear-gradient(to top, currentColor, rgba(255, 255, 255, 0.3));
    border-radius: 2px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.nlp-icon ~ * .spark-bar {
    color: var(--color-accent-primary);
}

.vision-icon ~ * .spark-bar {
    color: var(--color-accent-secondary);
}

.audio-icon ~ * .spark-bar {
    color: var(--color-accent-tertiary);
}

.domain-card:hover .spark-bar {
    opacity: 1;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

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

.footer-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: statusBlink 2s ease-in-out infinite;
}

@keyframes statusBlink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .status-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-card {
        grid-column: span 1;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========================================
   Accessibility & Utilities
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-accent-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 136, 0.8);
}