/* Animations */

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

@keyframes streamFlow {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(100px); }
}

@keyframes nodeFloat {
    0% { 
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    50% { 
        transform: translate(100vw, -50px) scale(1.2);
        opacity: 0.8;
    }
    90% {
        opacity: 1;
    }
    100% { 
        transform: translate(200vw, 0) scale(1);
        opacity: 0;
    }
}

@keyframes pulse {
    0%, 100% { 
        opacity: 0.3;
        transform: scaleX(1);
    }
    50% { 
        opacity: 0.8;
        transform: scaleX(1.1);
    }
}

@keyframes dataFlow {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100vw + 100px));
        opacity: 0;
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes labelFlow {
    0% {
        transform: translateX(-200px);
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    95% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100vw + 200px));
        opacity: 0;
    }
}

/* Enhanced Navigation Animations */
@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.1));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 15px rgba(0, 0, 0, 0.2));
    }
}

@keyframes iconRotate {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-5deg);
    }
    75% {
        transform: rotate(5deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* Add hover animations to icons */
.floating-nav-links a i {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.nav-icon-play:hover i {
    animation: iconRotate 0.6s ease-in-out;
}

.nav-icon-docs:hover i {
    animation: iconPulse 0.8s ease-in-out;
}

.nav-icon-code:hover i {
    animation: iconBounce 0.5s ease-in-out;
}

.nav-icon-github:hover i {
    animation: iconRotate 0.4s ease-in-out;
}

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

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* Article Monitoring Animation System */
/* 30-second loop with 4 phases (7.5s each) */

.article-monitoring-container {
    position: relative;
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 12px;
    overflow: hidden;
    margin: 2rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.article-monitoring-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Animation Controls */
.animation-controls {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.control-btn.active {
    background: rgba(59, 130, 246, 0.6);
}

/* ArXiv Source */
.arxiv-source {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.arxiv-source::after {
    content: 'ArXiv';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
}

/* Document Flow */
.document-flow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.document {
    position: absolute;
    width: 40px;
    height: 50px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 0;
}

.document::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 6px;
    right: 6px;
    height: 2px;
    background: #64748b;
    border-radius: 1px;
    box-shadow: 0 6px 0 #64748b, 0 12px 0 #64748b, 0 18px 0 #64748b;
}

/* Processing Pipeline */
.processing-pipeline {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 60px;
}

.process-stage {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    transition: all 0.3s ease;
}

.process-stage.text-parsing {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.process-stage.keyword-filter {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.process-stage.semantic-analysis {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
}

.process-stage::after {
    content: attr(data-label);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}

.process-stage.active {
    transform: scale(1.2);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
}

/* Neural Network Visualization */
.neural-network {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 120px;
    height: 80px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.neural-layer {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.neural-layer.input { left: 0; }
.neural-layer.hidden { left: 40px; }
.neural-layer.output { right: 0; }

.neural-node {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.neural-connection {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, #3b82f6, transparent);
    opacity: 0.6;
}

/* User Delivery Interface */
.user-interface {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.user-interface::after {
    content: 'User';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
}

/* Particle Effects */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #3b82f6;
    border-radius: 50%;
    opacity: 0;
}

.particle.accepted {
    background: #10b981;
}

.particle.rejected {
    background: #ef4444;
}

/* Phase-specific Animations */

/* Phase 1: Document Flow (0-7.5s) */
@keyframes documentFlow {
    0% {
        left: 120px;
        top: 50%;
        opacity: 0;
        transform: translateY(-50%) scale(0.8);
    }
    5% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
    25% {
        left: 45%;
        opacity: 1;
    }
    95% {
        opacity: 1;
    }
    100% {
        left: calc(100% - 120px);
        opacity: 0;
        transform: translateY(-50%) scale(0.8);
    }
}

/* Phase 2: Processing Stages (7.5-15s) */
@keyframes stageActivation {
    0%, 20% { transform: scale(1); }
    10% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes textHighlight {
    0%, 100% {
        background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    }
    50% {
        background: linear-gradient(135deg, #fef3c7, #fde68a);
        box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
    }
}

/* Phase 3: Filtering Process (15-22.5s) */
@keyframes filterDecision {
    0% {
        transform: translateY(-50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translateY(-50%) scale(1.1);
        opacity: 0.8;
    }
    100% {
        opacity: 0;
    }
}

@keyframes acceptedPath {
    0% { transform: translateY(-50%) translateX(0); }
    100% { transform: translateY(-50%) translateX(200px); }
}

@keyframes rejectedPath {
    0% { transform: translateY(-50%) translateX(0); }
    100% { transform: translateY(-30%) translateX(100px) scale(0.5); }
}

/* Phase 4: User Delivery (22.5-30s) */
@keyframes deliveryGlow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(16, 185, 129, 0.6);
        transform: translateY(-50%) scale(1.1);
    }
}

@keyframes particleStream {
    0% {
        left: 45%;
        opacity: 0;
        transform: scale(0);
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
    }
    100% {
        left: calc(100% - 120px);
        opacity: 0;
        transform: scale(0);
    }
}

/* Neural Network Animation */
@keyframes neuralPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes connectionFlow {
    0% {
        opacity: 0;
        transform: scaleX(0);
        transform-origin: left;
    }
    50% {
        opacity: 0.8;
        transform: scaleX(1);
    }
    100% {
        opacity: 0;
        transform: scaleX(1);
        transform-origin: right;
    }
}

/* Main Animation Classes */
.article-monitoring-container.playing .document {
    animation: documentFlow 7.5s infinite;
}

.article-monitoring-container.playing .document:nth-child(2) {
    animation-delay: 1.5s;
}

.article-monitoring-container.playing .document:nth-child(3) {
    animation-delay: 3s;
}

.article-monitoring-container.playing .document:nth-child(4) {
    animation-delay: 4.5s;
}

.article-monitoring-container.playing .process-stage.text-parsing {
    animation: stageActivation 2s infinite 7.5s;
}

.article-monitoring-container.playing .process-stage.keyword-filter {
    animation: stageActivation 2s infinite 10s;
}

.article-monitoring-container.playing .process-stage.semantic-analysis {
    animation: stageActivation 2s infinite 12.5s;
}

.article-monitoring-container.playing .neural-network {
    opacity: 1;
    animation: none;
}

.article-monitoring-container.playing .neural-node {
    animation: neuralPulse 1.5s infinite 15s;
}

.article-monitoring-container.playing .neural-connection {
    animation: connectionFlow 2s infinite 15s;
}

.article-monitoring-container.playing .user-interface {
    animation: deliveryGlow 3s infinite 22.5s;
}

.article-monitoring-container.playing .particle {
    animation: particleStream 7.5s infinite 22.5s;
}

.article-monitoring-container.playing .particle:nth-child(2) {
    animation-delay: 23.5s;
}

.article-monitoring-container.playing .particle:nth-child(3) {
    animation-delay: 25s;
}

/* Hover Effects */
.article-monitoring-container:hover .process-stage {
    transform: scale(1.05);
}

.article-monitoring-container:hover .arxiv-source,
.article-monitoring-container:hover .user-interface {
    transform: translateY(-50%) scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-monitoring-container {
        height: 300px;
    }
    
    .processing-pipeline {
        gap: 40px;
    }
    
    .process-stage {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
    
    .arxiv-source,
    .user-interface {
        width: 60px;
        height: 60px;
        font-size: 18px;
    }
}

/* ========================================
   DISTRIBUTED SMART HOME ANIMATION SYSTEM
   25-second loop with 4 phases (6.25s each)
   ======================================== */

.smart-home-container {
    position: relative;
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 12px;
    overflow: hidden;
    margin: 2rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.smart-home-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* Smart Home Devices */
.laundry-robot {
    position: absolute;
    left: 50px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.laundry-robot::after {
    content: 'Robot';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}

.washing-machine {
    position: absolute;
    left: 200px;
    top: 30%;
    transform: translateY(-50%);
    width: 60px;
    height: 45px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.washing-machine::after {
    content: 'Washer';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}

.drying-rack {
    position: absolute;
    right: 200px;
    top: 30%;
    transform: translateY(-50%);
    width: 50px;
    height: 30px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.drying-rack::after {
    content: 'Dryer';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}

.environmental-sensor {
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 8px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.environmental-sensor.temp-sensor {
    top: 20%;
    left: 30%;
}

.environmental-sensor.humidity-sensor {
    top: 70%;
    right: 30%;
}

.environmental-sensor.motion-sensor {
    top: 15%;
    right: 15%;
}

.environmental-sensor::after {
    content: attr(data-label);
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 8px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}

/* Network Connections */
.network-connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
    opacity: 0;
    pointer-events: none;
}

.network-connection.robot-to-washer {
    top: 50%;
    left: 90px;
    width: 110px;
    transform: translateY(-50%) rotate(-15deg);
}

.network-connection.washer-to-dryer {
    top: 30%;
    left: 260px;
    width: 140px;
    transform: translateY(-50%);
}

.network-connection.robot-to-sensors {
    top: 35%;
    left: 90px;
    width: 80px;
    transform: translateY(-50%) rotate(-45deg);
}

.network-connection.sensors-to-dryer {
    top: 45%;
    right: 220px;
    width: 100px;
    transform: translateY(-50%) rotate(30deg);
}

/* Data Packets */
.data-packet {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

.data-packet.sensor-data {
    background: #f59e0b;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

.data-packet.control-signal {
    background: #3b82f6;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
}

.data-packet.status-update {
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.data-packet.error-signal {
    background: #ef4444;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

/* Device Status Indicators */
.device-status {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.device-status.idle {
    background: #6b7280;
}

.device-status.active {
    background: #10b981;
    animation: statusPulse 2s infinite;
}

.device-status.communicating {
    background: #3b82f6;
    animation: statusPulse 1s infinite;
}

.device-status.error {
    background: #ef4444;
    animation: statusPulse 0.5s infinite;
}

/* Laundry Items */
.laundry-item {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 2px;
    opacity: 0;
    transition: all 0.5s ease;
}

.laundry-item.in-washer {
    background: #3b82f6;
    animation: washingMotion 3s infinite;
}

.laundry-item.in-dryer {
    background: #10b981;
    animation: dryingMotion 2s infinite;
}

/* Phase-specific Animations */

/* Phase 1: Network Initialization (0-6.25s) */
@keyframes networkInitialization {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    20% {
        opacity: 1;
        transform: scale(1);
    }
    80% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0.7;
        transform: scale(1);
    }
}

@keyframes connectionEstablish {
    0% {
        opacity: 0;
        transform: scaleX(0);
        transform-origin: left;
    }
    50% {
        opacity: 0.8;
        transform: scaleX(1);
    }
    100% {
        opacity: 0.6;
        transform: scaleX(1);
    }
}

/* Phase 2: Environmental Monitoring (6.25-12.5s) */
@keyframes sensorPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
        box-shadow: 0 4px 16px rgba(245, 158, 11, 0.6);
    }
}

@keyframes dataCollection {
    0% {
        left: var(--start-x);
        top: var(--start-y);
        opacity: 0;
        transform: scale(0);
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
    }
    100% {
        left: var(--end-x);
        top: var(--end-y);
        opacity: 0;
        transform: scale(0);
    }
}

/* Phase 3: Laundry Process Execution (12.5-18.75s) */
@keyframes robotMovement {
    0% {
        left: 50px;
        transform: translateY(-50%) rotate(0deg);
    }
    25% {
        left: 180px;
        transform: translateY(-50%) rotate(90deg);
    }
    50% {
        left: 180px;
        top: 30%;
        transform: translateY(-50%) rotate(90deg);
    }
    75% {
        left: 380px;
        top: 30%;
        transform: translateY(-50%) rotate(180deg);
    }
    100% {
        left: 50px;
        top: 50%;
        transform: translateY(-50%) rotate(360deg);
    }
}

@keyframes washingMotion {
    0%, 100% {
        transform: rotate(0deg) translateX(0);
    }
    25% {
        transform: rotate(90deg) translateX(2px);
    }
    50% {
        transform: rotate(180deg) translateX(0);
    }
    75% {
        transform: rotate(270deg) translateX(-2px);
    }
}

@keyframes dryingMotion {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-3px) rotate(180deg);
    }
}

@keyframes machineOperation {
    0%, 100% {
        transform: translateY(-50%) scale(1);
        box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
    }
    50% {
        transform: translateY(-50%) scale(1.05);
        box-shadow: 0 6px 24px rgba(139, 92, 246, 0.5);
    }
}

/* Phase 4: Completion and Reset (18.75-25s) */
@keyframes completionGlow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(16, 185, 129, 0.6);
        transform: translateY(-50%) scale(1.1);
    }
}

@keyframes statusPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

@keyframes networkReset {
    0% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.2;
    }
    100% {
        opacity: 0;
    }
}

/* Main Animation Classes */
.smart-home-container.playing .laundry-robot {
    animation: robotMovement 25s infinite;
}

.smart-home-container.playing .washing-machine {
    animation: machineOperation 6s infinite 12.5s;
}

.smart-home-container.playing .drying-rack {
    animation: completionGlow 4s infinite 18.75s;
}

.smart-home-container.playing .environmental-sensor {
    animation: sensorPulse 3s infinite 6.25s;
}

.smart-home-container.playing .environmental-sensor.temp-sensor {
    animation-delay: 6.25s;
}

.smart-home-container.playing .environmental-sensor.humidity-sensor {
    animation-delay: 7s;
}

.smart-home-container.playing .environmental-sensor.motion-sensor {
    animation-delay: 7.75s;
}

.smart-home-container.playing .network-connection {
    animation: connectionEstablish 2s infinite;
}

.smart-home-container.playing .network-connection.robot-to-washer {
    animation-delay: 1s;
}

.smart-home-container.playing .network-connection.washer-to-dryer {
    animation-delay: 2s;
}

.smart-home-container.playing .network-connection.robot-to-sensors {
    animation-delay: 0.5s;
}

.smart-home-container.playing .network-connection.sensors-to-dryer {
    animation-delay: 1.5s;
}

/* Data Packet Animations */
.smart-home-container.playing .data-packet {
    animation: dataCollection 3s infinite;
}

.smart-home-container.playing .data-packet.sensor-data {
    animation-delay: 6.25s;
}

.smart-home-container.playing .data-packet.control-signal {
    animation-delay: 12.5s;
}

.smart-home-container.playing .data-packet.status-update {
    animation-delay: 18.75s;
}

/* Hover Effects */
.smart-home-container:hover .laundry-robot,
.smart-home-container:hover .washing-machine,
.smart-home-container:hover .drying-rack {
    transform: translateY(-50%) scale(1.1);
}

.smart-home-container:hover .environmental-sensor {
    transform: scale(1.2);
}

/* Device Tooltips */
.device-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.device-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
}

.laundry-robot:hover .device-tooltip,
.washing-machine:hover .device-tooltip,
.drying-rack:hover .device-tooltip,
.environmental-sensor:hover .device-tooltip {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .smart-home-container {
        height: 300px;
    }
    
    .laundry-robot {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .washing-machine {
        width: 48px;
        height: 36px;
        font-size: 14px;
    }
    
    .drying-rack {
        width: 40px;
        height: 24px;
        font-size: 12px;
    }
    
    .environmental-sensor {
        width: 16px;
        height: 16px;
        font-size: 6px;
    }
    
    .device-tooltip {
        font-size: 10px;
        padding: 6px 8px;
    }
}

@media (max-width: 480px) {
    .smart-home-container {
        height: 250px;
    }
    
    .laundry-robot {
        left: 30px;
        width: 28px;
        height: 28px;
    }
    
    .washing-machine {
        left: 150px;
        width: 40px;
        height: 30px;
    }
    
    .drying-rack {
        right: 150px;
        width: 32px;
        height: 20px;
    }
}

/* ========================================
   AUTO-SCALING CHAT SYSTEM ANIMATION
   35-second loop with 4 phases (8.75s each)
   ======================================== */

.auto-scaling-container {
    position: relative;
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 12px;
    overflow: hidden;
    margin: 2rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.auto-scaling-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 10%, rgba(16, 185, 129, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* User Load Visualization */
.user-load-section {
    position: absolute;
    left: 20px;
    top: 20px;
    width: 120px;
    height: 100px;
}

.user-load-title {
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    margin-bottom: 8px;
    text-align: center;
}

.user-icons-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 2px;
    width: 100%;
}

.user-icon {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6px;
    color: white;
}

.user-icon.active {
    opacity: 1;
    transform: scale(1);
}

.user-icon.warning {
    background: #f59e0b;
}

.user-icon.critical {
    background: #ef4444;
}

.user-count-display {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    font-weight: 600;
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    backdrop-filter: blur(10px);
}

/* Load Balancer */
.load-balancer {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    z-index: 5;
}

.load-balancer::after {
    content: 'Load Balancer';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}

.load-balancer-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 2px solid #3b82f6;
    border-radius: 12px;
    opacity: 0;
}

/* Server Grid */
.server-grid {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 140px;
}

.server-instance {
    width: 40px;
    height: 60px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    border-radius: 6px;
    position: relative;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    cursor: pointer;
}

.server-instance.active {
    opacity: 1;
    transform: scale(1);
}

.server-instance.scaling {
    animation: serverScaleIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.server-utilization {
    position: absolute;
    bottom: 4px;
    left: 4px;
    right: 4px;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.utilization-bar {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #f59e0b, #ef4444);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.server-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8px;
    color: white;
    font-weight: 600;
}

/* Traffic Flow Lines */
.traffic-flow {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
    opacity: 0;
    pointer-events: none;
}

.traffic-flow.user-to-lb {
    top: 50%;
    left: 140px;
    width: 120px;
    transform: translateY(-50%);
}

.traffic-flow.lb-to-servers {
    top: 50%;
    left: 60%;
    width: 100px;
    transform: translateY(-50%);
}

/* Scaling Triggers */
.scaling-trigger {
    position: absolute;
    top: 15px;
    right: 180px;
    background: rgba(245, 158, 11, 0.9);
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.scaling-trigger.active {
    opacity: 1;
    transform: translateY(0);
}

.scaling-trigger.critical {
    background: rgba(239, 68, 68, 0.9);
    animation: triggerPulse 1s infinite;
}

/* Resource Metrics Dashboard */
.metrics-dashboard {
    position: absolute;
    bottom: 20px;
    left: 20px;
    width: 200px;
    height: 80px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    padding: 10px;
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.metrics-dashboard.visible {
    opacity: 1;
}

.metric-item {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    font-size: 10px;
    color: #94a3b8;
}

.metric-label {
    width: 40px;
    font-weight: 600;
}

.metric-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 0 8px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.metric-fill.cpu {
    background: linear-gradient(90deg, #10b981, #f59e0b);
}

.metric-fill.memory {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}

.metric-fill.network {
    background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.metric-value {
    width: 30px;
    text-align: right;
    font-weight: 600;
    color: white;
}

/* Cloud Provider Integration */
.cloud-provider {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 30px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.cloud-provider::after {
    content: 'Cloud';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 8px;
    font-weight: 600;
    color: #94a3b8;
}

.cloud-spawn-effect {
    position: absolute;
    top: 50px;
    right: 45px;
    width: 20px;
    height: 20px;
    border: 2px solid #10b981;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
}

/* Interactive Elements */
.user-load-slider {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 150px;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.slider-label {
    font-size: 10px;
    color: #94a3b8;
    margin-bottom: 6px;
    font-weight: 600;
}

.load-slider {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.load-slider::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
}

.load-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Phase-specific Animations */

/* Phase 1: Initial Load (0-8.75s) */
@keyframes userGrowth {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    20% {
        opacity: 1;
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes trafficFlow {
    0% {
        opacity: 0;
        transform: scaleX(0);
        transform-origin: left;
    }
    50% {
        opacity: 0.8;
        transform: scaleX(1);
    }
    100% {
        opacity: 0.6;
        transform: scaleX(1);
    }
}

/* Phase 2: Resource Optimization (8.75-17.5s) */
@keyframes utilizationIncrease {
    0% { width: 30%; }
    50% { width: 70%; }
    100% { width: 85%; }
}

@keyframes loadBalancerStress {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
    }
}

@keyframes pulseWarning {
    0%, 100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

/* Phase 3: Scaling Triggered (17.5-26.25s) */
@keyframes serverScaleIn {
    0% {
        opacity: 0;
        transform: scale(0) rotate(180deg);
    }
    60% {
        opacity: 1;
        transform: scale(1.2) rotate(0deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

@keyframes cloudSpawn {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
    100% {
        opacity: 0;
        transform: scale(2);
    }
}

@keyframes triggerPulse {
    0%, 100% {
        opacity: 0.9;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(-2px) scale(1.05);
    }
}

/* Phase 4: Load Distribution (26.25-35s) */
@keyframes loadDistribution {
    0% { width: 85%; }
    50% { width: 45%; }
    100% { width: 35%; }
}

@keyframes systemStabilized {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    }
}

/* Main Animation Classes */
.auto-scaling-container.playing .user-icon {
    animation: userGrowth 0.5s ease-out;
}

.auto-scaling-container.playing .traffic-flow {
    animation: trafficFlow 2s infinite;
}

.auto-scaling-container.playing .traffic-flow.user-to-lb {
    animation-delay: 0.5s;
}

.auto-scaling-container.playing .traffic-flow.lb-to-servers {
    animation-delay: 1s;
}

.auto-scaling-container.playing .load-balancer-pulse {
    animation: pulseWarning 3s infinite 8.75s;
}

.auto-scaling-container.playing .load-balancer {
    animation: loadBalancerStress 4s infinite 8.75s;
}

.auto-scaling-container.playing .cloud-spawn-effect {
    animation: cloudSpawn 1.5s ease-out 17.5s;
}

.auto-scaling-container.playing .server-instance.scaling {
    animation: serverScaleIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Hover Effects */
.auto-scaling-container:hover .server-instance {
    transform: scale(1.05);
}

.auto-scaling-container:hover .load-balancer {
    transform: translate(-50%, -50%) scale(1.1);
}

.auto-scaling-container:hover .user-icon.active {
    transform: scale(1.2);
}

.auto-scaling-container:hover .metrics-dashboard {
    opacity: 1;
}

/* Interactive Hover States */
.server-instance:hover {
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.5);
    transform: scale(1.1) !important;
}

.server-instance:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 8px;
    white-space: nowrap;
    z-index: 10;
}

.load-balancer:hover::before {
    content: 'CPU: 75% | Memory: 60% | Connections: 1,247';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 8px;
    white-space: nowrap;
    z-index: 10;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auto-scaling-container {
        height: 300px;
    }
    
    .server-grid {
        width: 100px;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .server-instance {
        width: 32px;
        height: 48px;
    }
    
    .load-balancer {
        width: 48px;
        height: 48px;
        font-size: 16px;
    }
    
    .user-load-section {
        width: 100px;
        height: 80px;
    }
    
    .user-icons-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .user-icon {
        width: 10px;
        height: 10px;
    }
    
    .metrics-dashboard {
        width: 160px;
        height: 60px;
        padding: 8px;
    }
    
    .user-load-slider {
        width: 120px;
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .auto-scaling-container {
        height: 250px;
    }
    
    .server-grid {
        width: 80px;
    }
    
    .server-instance {
        width: 28px;
        height: 40px;
    }
    
    .load-balancer {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .user-load-section {
        width: 80px;
        height: 60px;
    }
    
    .user-icons-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .metrics-dashboard {
        width: 140px;
        height: 50px;
        font-size: 8px;
    }
}