/* ============================================
   Plexor + Microsoft Fabric Demo
   Microsoft Fluent Design Inspired Styles
   ============================================ */

/* CSS Variables - Fluent Design Tokens */
:root {
    /* Brand Colors */
    --ms-blue: #0078D4;
    --ms-blue-dark: #005A9E;
    --ms-blue-light: #2B88D8;
    --ms-green: #107C10;
    --ms-green-light: #13A10E;
    --ms-yellow: #FFB900;
    --ms-red: #D13438;
    --ms-purple: #5C2D91;

    /* Neutral Colors */
    --neutral-100: #FFFFFF;
    --neutral-96: #F5F5F5;
    --neutral-94: #F0F0F0;
    --neutral-88: #E1E1E1;
    --neutral-80: #CCCCCC;
    --neutral-60: #999999;
    --neutral-40: #666666;
    --neutral-20: #333333;
    --neutral-10: #1A1A1A;
    --neutral-8: #141414;
    --neutral-4: #0A0A0A;

    /* Background Colors (Dark Theme) */
    --bg-primary: #0A0A14;
    --bg-secondary: #12121C;
    --bg-tertiary: #1A1A28;
    --bg-card: #1E1E2E;
    --bg-elevated: #252538;
    --bg-hover: #2A2A40;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B3B3CC;
    --text-tertiary: #8080A0;
    --text-muted: #606080;

    /* Accent Colors */
    --accent-gradient: linear-gradient(135deg, #0078D4 0%, #5C2D91 100%);
    --success-gradient: linear-gradient(135deg, #107C10 0%, #13A10E 100%);
    --glow-blue: rgba(0, 120, 212, 0.4);
    --glow-green: rgba(16, 124, 16, 0.4);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--glow-blue);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* Typography */
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ============================================
   Navigation
   ============================================ */
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 20, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Demo Navigation */
.demo-nav {
    background: var(--bg-secondary);
}

.demo-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(16, 124, 16, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ms-green);
    animation: pulse 2s infinite;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--accent-gradient);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 120, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 120, 212, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--font-size-lg);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-small:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(0, 120, 212, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(92, 45, 145, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 124, 16, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 120, 212, 0.2);
    border: 1px solid rgba(0, 120, 212, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--ms-blue-light);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.gradient-text {
    background: linear-gradient(135deg, #0078D4 0%, #5C2D91 50%, #107C10 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 120, 212, 0.3);
    box-shadow: 0 8px 32px rgba(0, 120, 212, 0.2);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--ms-blue-light);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* Problem Section */
.problem-section {
    background: var(--bg-secondary);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.problem-card {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.problem-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--ms-red);
}

.problem-icon svg {
    width: 100%;
    height: 100%;
}

.problem-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.problem-card p {
    color: var(--text-secondary);
}

/* Solution Section */
.solution-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.solution-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: rgba(0, 120, 212, 0.3);
    transform: translateY(-4px);
}

.feature-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.1) 0%, rgba(16, 124, 16, 0.1) 100%);
    border-color: rgba(0, 120, 212, 0.3);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon.fabric {
    background: rgba(0, 120, 212, 0.2);
    color: var(--ms-blue-light);
}

.feature-icon.savings {
    background: rgba(16, 124, 16, 0.2);
    color: var(--ms-green-light);
}

.feature-icon.telemetry {
    background: rgba(92, 45, 145, 0.2);
    color: #9B59B6;
}

.feature-icon.multi {
    background: rgba(255, 185, 0, 0.2);
    color: var(--ms-yellow);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-badge {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 120, 212, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--ms-blue-light);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.feature-list {
    list-style: none;
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--ms-green);
    border-radius: 50%;
}

/* ============================================
   Architecture Section
   ============================================ */
.architecture-section {
    background: var(--bg-primary);
    overflow: hidden;
}

.architecture-diagram {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-xl);
}

.arch-layer {
    margin-bottom: var(--space-lg);
}

.layer-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
    text-align: center;
}

.arch-nodes {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.arch-node {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.arch-connector {
    height: 40px;
    display: flex;
    justify-content: center;
}

.arch-connector svg {
    height: 100%;
    width: 100px;
}

/* Gateway Layer */
.gateway-layer {
    margin: var(--space-xl) 0;
}

.gateway-core {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.15) 0%, rgba(92, 45, 145, 0.15) 100%);
    border: 2px solid var(--ms-blue);
    border-radius: var(--radius-xl);
    box-shadow: 0 0 40px rgba(0, 120, 212, 0.2);
}

.gateway-component {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.component-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 120, 212, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ms-blue-light);
}

.component-icon svg {
    width: 24px;
    height: 24px;
}

.gateway-component span {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Fabric Layer */
.fabric-components {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
}

.fabric-component {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid rgba(16, 124, 16, 0.3);
    border-radius: var(--radius-lg);
    min-width: 140px;
}

.fabric-icon {
    width: 48px;
    height: 48px;
    background: rgba(16, 124, 16, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ms-green);
}

.fabric-icon svg {
    width: 28px;
    height: 28px;
}

.fabric-component span {
    font-weight: 600;
}

.fabric-component small {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* Provider Layer */
.provider-grid {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.provider-grid .provider {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.provider-grid .provider:hover {
    border-color: var(--ms-blue);
    transform: translateY(-2px);
}

.provider.azure-openai {
    border-color: rgba(0, 120, 212, 0.3);
}

/* ============================================
   Cost Savings Section
   ============================================ */
.savings-section {
    background: var(--bg-secondary);
}

.savings-showcase {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.savings-chart-container {
    position: relative;
}

.savings-chart-container canvas {
    max-width: 300px;
    margin: 0 auto;
}

.savings-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.savings-item {
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

.savings-label {
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.savings-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.savings-fill {
    height: 100%;
    background: var(--success-gradient);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.savings-detail {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.savings-amount {
    color: var(--ms-green-light);
    font-weight: 600;
}

.total-savings {
    background: linear-gradient(135deg, rgba(16, 124, 16, 0.2) 0%, rgba(16, 124, 16, 0.1) 100%);
    border: 1px solid rgba(16, 124, 16, 0.3);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.total-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.total-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--ms-green-light);
}

.total-percent {
    font-size: var(--font-size-md);
    color: var(--ms-green);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.1) 0%, rgba(92, 45, 145, 0.1) 100%);
    padding: var(--space-3xl) 0;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.footer-brand p {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Demo Page Styles
   ============================================ */
.demo-page {
    background: var(--bg-primary);
}

.demo-main {
    display: grid;
    grid-template-columns: 320px 1fr 380px;
    gap: var(--space-lg);
    padding: 80px var(--space-lg) var(--space-lg);
    min-height: 100vh;
}

.demo-panel {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

.panel-header {
    margin-bottom: var(--space-lg);
}

.panel-header h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
}

.panel-header p {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* Request Panel */
.request-panel {
    overflow-y: auto;
}

.request-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group select,
.form-group textarea,
.form-group input {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.form-group select:focus,
.form-group textarea:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--ms-blue);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.toggle-group {
    display: flex;
    gap: var(--space-xs);
}

.toggle-btn {
    flex: 1;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn.active {
    background: var(--ms-blue);
    border-color: var(--ms-blue);
    color: white;
}

.toggle-btn:hover:not(.active) {
    background: var(--bg-hover);
}

/* Capacity Indicator */
.capacity-indicator {
    background: var(--bg-tertiary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.capacity-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.capacity-fill {
    height: 100%;
    background: var(--ms-green);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal), background var(--transition-normal);
}

.capacity-fill.warning {
    background: var(--ms-yellow);
}

.capacity-fill.critical {
    background: var(--ms-red);
}

.capacity-labels {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

.capacity-status {
    color: var(--ms-green);
    font-weight: 500;
}

.capacity-status.warning {
    color: var(--ms-yellow);
}

.capacity-status.critical {
    color: var(--ms-red);
}

/* Routing Panel */
.routing-panel {
    position: relative;
}

.routing-stats {
    display: flex;
    gap: var(--space-lg);
}

.routing-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.routing-stats .stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--ms-blue-light);
}

.routing-stats .stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.routing-stats .stat.savings .stat-value {
    color: var(--ms-green-light);
}

/* Routing Visualization */
.routing-visualization {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: var(--space-xl) 0;
    position: relative;
    min-height: 300px;
}

.routing-source,
.routing-gateway,
.routing-providers {
    position: relative;
    z-index: 2;
}

.source-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.source-node svg {
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
}

.source-node.active {
    border-color: var(--ms-blue);
    box-shadow: 0 0 20px rgba(0, 120, 212, 0.4);
}

.source-node.active svg {
    color: var(--ms-blue-light);
}

.gateway-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.2) 0%, rgba(92, 45, 145, 0.2) 100%);
    border: 2px solid var(--ms-blue);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.gateway-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 120, 212, 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ms-blue-light);
}

.gateway-icon svg {
    width: 28px;
    height: 28px;
}

.gateway-decision {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.gateway-node.processing {
    box-shadow: 0 0 30px rgba(0, 120, 212, 0.5);
}

.gateway-node.processing .gateway-decision {
    color: var(--ms-blue-light);
}

.routing-providers {
    display: flex;
    gap: var(--space-md);
}

.provider-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    min-width: 100px;
    transition: all var(--transition-normal);
}

.provider-node.selected {
    border-color: var(--ms-green);
    box-shadow: 0 0 20px rgba(16, 124, 16, 0.4);
}

.provider-logo {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.provider-node span {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.provider-cost {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.provider-count {
    font-size: var(--font-size-xs);
    color: var(--ms-blue-light);
    font-weight: 600;
}

/* Request Log */
.request-log {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: auto;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.log-header h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.log-entries {
    max-height: 200px;
    overflow-y: auto;
    padding: var(--space-md);
}

.log-placeholder {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    text-align: center;
    padding: var(--space-xl);
}

.log-entry {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: var(--font-size-xs);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-tertiary);
    min-width: 60px;
}

.log-provider {
    padding: 2px 8px;
    background: rgba(0, 120, 212, 0.2);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.log-latency {
    color: var(--text-secondary);
}

.log-savings {
    color: var(--ms-green-light);
    margin-left: auto;
}

/* Analytics Panel */
.analytics-panel {
    overflow-y: auto;
}

.analytics-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.analytics-section:last-child {
    border-bottom: none;
}

.analytics-section h3 {
    font-size: var(--font-size-md);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Calculator */
.calculator-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.calc-input label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
}

.calc-input input {
    width: 100%;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.calculator-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.calc-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.calc-result.highlight {
    background: rgba(16, 124, 16, 0.2);
    border: 1px solid rgba(16, 124, 16, 0.3);
}

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

.result-value {
    font-weight: 600;
}

.result-value.savings {
    color: var(--ms-green-light);
}

/* Chart Container */
.chart-container {
    max-width: 200px;
    margin: 0 auto;
}

/* Telemetry Section */
.telemetry-preview {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.telemetry-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(16, 124, 16, 0.2);
    border-bottom: 1px solid rgba(16, 124, 16, 0.3);
    font-size: var(--font-size-sm);
}

.file-icon {
    color: var(--ms-green);
}

.telemetry-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--ms-green);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.telemetry-data {
    padding: var(--space-md);
    font-family: 'Consolas', monospace;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.5;
    overflow-x: auto;
    margin: 0;
}

/* Capacity Controls */
.capacity-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.capacity-btn {
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.capacity-btn.active {
    background: var(--ms-blue);
    border-color: var(--ms-blue);
    color: white;
}

.capacity-btn.warning {
    border-color: rgba(255, 185, 0, 0.3);
}

.capacity-btn.warning.active {
    background: var(--ms-red);
    border-color: var(--ms-red);
}

.capacity-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.capacity-info strong {
    color: var(--ms-blue-light);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--space-sm);
}

.modal-body {
    padding: var(--space-lg);
}

.response-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.meta-item {
    font-size: var(--font-size-sm);
}

.meta-item strong {
    color: var(--text-tertiary);
}

.meta-item.savings span {
    color: var(--ms-green-light);
}

.response-content {
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Animations */
@keyframes routeFlow {
    0% { stroke-dashoffset: 20; }
    100% { stroke-dashoffset: 0; }
}

.routing-line {
    stroke-dasharray: 5, 5;
    animation: routeFlow 0.5s linear infinite;
}

/* Responsive */
@media (max-width: 1200px) {
    .demo-main {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.featured {
        grid-column: span 1;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .savings-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: var(--font-size-2xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .nav-links {
        display: none;
    }
}