/* Animated Learning Path Visualization */
.path-display {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(79, 140, 139, 0.1), rgba(26, 26, 46, 0.3));
    border-radius: 15px;
    overflow: hidden;
}

.path-stage {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg);
    border: 3px solid var(--sec);
    transition: all var(--transition-normal);
    cursor: pointer;
    z-index: 2;
}

.path-stage.active {
    border-color: var(--acc);
    box-shadow: 0 0 20px rgba(241, 196, 15, 0.5);
    transform: scale(var(--scale-focus));
}

.path-stage:hover {
    transform: scale(var(--scale-focus));
    box-shadow: 0 0 25px rgba(241, 196, 15, 0.7);
}

.stage-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.path-stage h4 {
    margin: 0.5rem 0 0.25rem;
    color: var(--acc);
    font-size: 1rem;
}

.path-stage p {
    margin: 0;
    font-size: 0.8rem;
    text-align: center;
    color: var(--text);
    opacity: 0.8;
    line-height: 1.2;
}

.path-connector {
    flex: 1;
    height: 4px;
    background: linear-gradient(90deg, var(--sec), var(--acc), var(--sec));
    position: relative;
    margin: 0 1rem;
    border-radius: 2px;
    overflow: hidden;
}

.path-connector::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--acc), transparent);
    animation: flowingData 3s infinite;
}

@keyframes flowingData {
    0% { left: -100%; }
    100% { left: 100%; }
}

.path-connector.active::before {
    animation-duration: 1.5s;
}

/* Floating particles */
.path-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--acc), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--sec), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--acc), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--sec), transparent);
    background-repeat: repeat;
    background-size: 150px 100px;
    animation: floatingParticles 20s linear infinite;
    opacity: 0.3;
    z-index: 1;
}

@keyframes floatingParticles {
    0% { transform: translateX(0); }
    100% { transform: translateX(150px); }
}

/* AI Adaptation Indicator */
.ai-pulse {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: var(--acc);
    border-radius: 50%;
    animation: aiPulse 2s infinite;
}

/* 3D Learning Network Scene */
.learning-network-3d {
    position: relative;
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(79, 140, 139, 0.2));
    border-radius: 15px;
    overflow: hidden;
    margin: 2rem 0;
    border: 2px solid var(--acc);
}

#learning-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.network-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.loading-3d {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--acc);
    font-size: 1.2rem;
    z-index: 5;
}

@keyframes aiPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.3);
        opacity: 0.7;
    }
}

/* CSS Fallback 3D visualization */
.css-3d-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    perspective: 1000px;
    display: none;
}

.css-node {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--bg);
    animation: cssFloat 4s ease-in-out infinite;
    cursor: pointer;
    transition: transform var(--transition-normal);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.css-node:hover {
    transform: scale(var(--scale-focus));
}

.css-node.foundation {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    top: 20%; left: 5%; width: 70px; height: 70px;
    animation-delay: 0s;
}

.css-node.concepts {
    background: linear-gradient(135deg, var(--info), var(--info-dark));
    top: 10%; left: 25%; width: 50px; height: 50px;
    animation-delay: 0.5s;
}

.css-node.theory {
    background: linear-gradient(135deg, var(--cyan), var(--cyan-dark));
    top: 15%; left: 45%; width: 50px; height: 50px;
    animation-delay: 1s;
}

.css-node.practice {
    background: linear-gradient(135deg, var(--caution), var(--caution-dark));
    top: 35%; left: 65%; width: 60px; height: 60px;
    animation-delay: 1.5s;
}

.css-node.application {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    top: 50%; left: 85%; width: 60px; height: 60px;
    animation-delay: 2s;
}

.css-node.analysis {
    background: linear-gradient(135deg, var(--purple), var(--purple-dark));
    top: 50%; left: 15%; width: 50px; height: 50px;
    animation-delay: 2.5s;
}

.css-node.synthesis {
    background: linear-gradient(135deg, var(--indigo), var(--indigo-dark));
    top: 65%; left: 35%; width: 50px; height: 50px;
    animation-delay: 3s;
}

.css-node.evaluation {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    top: 75%; left: 65%; width: 50px; height: 50px;
    animation-delay: 3.5s;
}

.css-node.mastery {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    top: 85%; left: 45%; width: 70px; height: 70px;
    animation-delay: 4s;
}

.css-node.innovation {
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    top: 70%; left: 5%; width: 45px; height: 45px;
    animation-delay: 4.5s;
}

.css-node.collaboration {
    background: linear-gradient(135deg, var(--light-green), var(--light-green-dark));
    top: 25%; left: 75%; width: 45px; height: 45px;
    animation-delay: 5s;
}

.css-node.leadership {
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    top: 75%; left: 25%; width: 45px; height: 45px;
    animation-delay: 5.5s;
}



@keyframes cssFloat {
    0%, 100% { transform: translateY(0px) rotateY(0deg); }
    25% { transform: translateY(-10px) rotateY(90deg); }
    50% { transform: translateY(0px) rotateY(180deg); }
    75% { transform: translateY(-5px) rotateY(270deg); }
}

.css-connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--acc), transparent);
    animation: cssFlow 3s linear infinite;
    opacity: 0.6;
}

.css-connection.conn1 { top: 22%; left: 12%; width: 15%; transform: rotate(25deg); }
.css-connection.conn2 { top: 18%; left: 8%; width: 20%; transform: rotate(-5deg); }
.css-connection.conn3 { top: 12%; left: 30%; width: 18%; transform: rotate(15deg); }
.css-connection.conn4 { top: 25%; left: 50%; width: 17%; transform: rotate(45deg); }
.css-connection.conn5 { top: 40%; left: 70%; width: 16%; transform: rotate(35deg); }
.css-connection.conn6 { top: 45%; left: 20%; width: 22%; transform: rotate(-15deg); }
.css-connection.conn7 { top: 55%; left: 40%; width: 18%; transform: rotate(25deg); }
.css-connection.conn8 { top: 70%; left: 50%; width: 17%; transform: rotate(-30deg); }
.css-connection.conn9 { top: 80%; left: 30%; width: 20%; transform: rotate(10deg); }
.css-connection.conn10 { top: 72%; left: 8%; width: 15%; transform: rotate(-45deg); }
.css-connection.conn11 { top: 30%; left: 78%; width: 12%; transform: rotate(-60deg); }
.css-connection.conn12 { top: 75%; left: 28%; width: 14%; transform: rotate(45deg); }

@keyframes cssFlow {
    0% { background-position: -100% 0; }
    100% { background-position: 100% 0; }
}

.css-node.selected {
    transform: scale(1.3);
    box-shadow: 0 0 20px var(--acc);
}

.css-node.mode-adapt {
    animation: cssAdapt 2s ease-in-out infinite;
}

.css-node.mode-connect {
    animation: cssConnect 3s linear infinite;
}

@keyframes cssAdapt {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(var(--scale-focus)); }
}

@keyframes cssConnect {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

.css-3d-fallback.adapt-mode {
    transform: scale(var(--scale-focus));
    transition: transform var(--transition-slow);
}

.css-connection.adapt-active {
    animation: adaptFlow 0.8s linear infinite;
    opacity: 0.9 !important;
}

@keyframes adaptFlow {
    0% { background: linear-gradient(90deg, transparent, #F1C40F, transparent); }
    50% { background: linear-gradient(90deg, transparent, #FF6B6B, transparent); }
    100% { background: linear-gradient(90deg, transparent, #F1C40F, transparent); }
}

.css-connection.connect-active {
    opacity: 0.9 !important;
    background: linear-gradient(90deg, transparent, var(--sec), var(--aqua), var(--sec), transparent);
    animation: connectFlow 3s linear infinite;
    height: 3px;
}

@keyframes connectFlow {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.css-node.connect-highlight {
    box-shadow: 0 0 15px var(--aqua), 0 0 30px var(--sec);
    animation: connectPulse 2s ease-in-out infinite;
}

@keyframes connectPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(var(--scale-hover)); }
}

/* Granular Learning Analytics Styles */


/* Use .btn-tab class instead */

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.metric-card {
    background: var(--bg);
    padding: 2rem;
    border-radius: 8px;
    border: 2px solid var(--acc);
}

.metric-card h4 {
    color: var(--acc);
    margin-bottom: 1rem;
    text-align: center;
}

.progress-chart {
    margin: 1rem 0;
}

.chart-bar {
    background: linear-gradient(90deg, var(--sec), var(--acc));
    height: 30px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg);
    font-weight: bold;
    width: 78%;
    transition: width var(--transition-extra-slow);
}

.engagement-meter {
    position: relative;
    background: var(--sec);
    height: 30px;
    border-radius: 15px;
    margin: 1rem 0;
    overflow: hidden;
}

.meter-fill {
    background: linear-gradient(90deg, var(--acc), var(--sec));
    height: 100%;
    width: 85%;
    border-radius: 15px;
    transition: width var(--transition-extra-slow);
}

.meter-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg);
    font-weight: bold;
    z-index: 2;
}

.success-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.success-item {
    position: relative;
    background: var(--sec);
    height: 30px;
    border-radius: 15px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}



/* AI Behavioral Analysis Bars */
.insight-item {
    position: relative;
    background: var(--sec);
    height: 30px;
    border-radius: 15px;
    margin-bottom: 0.5rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 1rem;
}

.insight-item .insight-fill {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--acc);
    height: 100%;
    border-radius: 15px;
    transition: width var(--transition-extra-slow);
}

.insight-item:nth-child(1) .insight-fill { width: 73%; }
.insight-item:nth-child(2) .insight-fill { width: 85%; }
.insight-item:nth-child(3) .insight-fill { width: 90%; }
.insight-item:nth-child(4) .insight-fill { width: 65%; }

.insight-item span {
    position: relative;
    z-index: 2;
    color: var(--bg);
    font-weight: bold;
    font-size: 0.9rem;
}

/* Real-Time AI Feedback Bars */
.feedback-msg {
    position: relative;
    background: var(--sec);
    height: 30px;
    border-radius: 15px;
    margin-bottom: 0.5rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 1rem;
}

.feedback-msg .feedback-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 15px;
    transition: width var(--transition-extra-slow);
}

.feedback-msg.positive .feedback-fill {
    background: #4CAF50;
    width: 95%;
}

.feedback-msg.neutral .feedback-fill {
    background: var(--acc);
    width: 80%;
}

.feedback-msg.suggestion .feedback-fill {
    background: #2196F3;
    width: 70%;
}

.feedback-msg span {
    position: relative;
    z-index: 2;
    color: var(--bg);
    font-weight: bold;
    font-size: 0.9rem;
}

/* Interactive Learning Path Demo */

    

.success-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--acc), transparent);
    border-radius: 5px;
    transition: width var(--transition-extra-slow);
    z-index: 1;
}

.success-item:nth-child(1)::before { width: 92%; }
.success-item:nth-child(2)::before { width: 84%; }
.success-item:nth-child(3)::before { width: 76%; }
.success-item:nth-child(4)::before { width: 68%; }

.success-item span {
    position: relative;
    z-index: 2;
    color: var(--text);
    font-weight: bold;
}





.path-controls {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--acc);
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--acc);
}

.stage-slider {
    position: relative;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--sec);
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--acc);
    cursor: pointer;
}

.stage-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.8rem;
}

.path-toggles, .adaptation-options {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
}

/* Use .btn-path class instead */

.path-visualization {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--acc);
}





.adaptation-feedback {
    background: var(--sec);
    padding: 1rem;
    border-radius: 5px;
    border-left: 4px solid var(--acc);
}

.adaptation-feedback h4 {
    color: var(--acc);
    margin-bottom: 0.5rem;
}

.ai-active {
    animation: pulse 2s ease-in-out;
}

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

.challenge-path.active {
    background: linear-gradient(135deg, var(--red-orange), var(--tomato)) !important;
}

.challenge-path.active h4,
.challenge-path.active p {
    color: white !important;
}

.support-path.active {
    background: linear-gradient(135deg, var(--bright-blue), var(--royal-blue)) !important;
}

.support-path.active h4,
.support-path.active p {
    color: white !important;
}

.standard-path.active {
    background: var(--acc) !important;
}

.standard-path.active h4,
.standard-path.active p {
    color: var(--bg) !important;
}

.breakdown-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 2rem 0;
}

.stage-breakdown {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    background: var(--sec);
    padding: var(--section-padding);
    border-radius: 10px;
    transition: transform var(--transition-normal);
}

.stage-breakdown:hover {
    transform: translateY(-5px);
}

.breakdown-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.stage-node {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--bg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.stage-node.foundation {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
}

.stage-node.building {
    background: linear-gradient(135deg, var(--info), var(--info-dark));
}

.stage-node.application {
    background: linear-gradient(135deg, var(--caution), var(--caution-dark));
}

.stage-node.mastery {
    background: linear-gradient(135deg, var(--purple), var(--purple-dark));
}

.stage-node.expertise {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
}

.ai-indicator {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--acc);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    animation: pulse-ai 2s infinite;
}

@keyframes pulse-ai {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(var(--scale-focus)); }
}

.breakdown-content h3 {
    color: var(--acc);
    margin-bottom: 0.5rem;
}

.breakdown-content h4 {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.adaptation-details {
    margin: 1rem 0;
}

.detail-item {
    background: var(--bg);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 5px;
    border-left: 4px solid var(--acc);
}

/* Use .btn-explore class instead */

/* Use unified modal component system instead */

/* Stage Tooltip */
.stage-tooltip {
    background: var(--bg) !important;
    color: var(--text) !important;
    padding: 8px 12px !important;
    border-radius: 5px !important;
    border: 1px solid var(--acc) !important;
    font-size: 0.9rem !important;
    z-index: 1000 !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    max-width: 280px !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3) !important;
}

/* Enhanced path connector animations */
.path-connector {
    position: relative;
    overflow: visible;
}

.path-connector::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -100%;
    width: 20px;
    height: 8px;
    background: var(--acc);
    border-radius: 4px;
    animation: dataPacket 2s infinite;
    opacity: 0;
}

.path-connector.active::after {
    opacity: 1;
}

@keyframes dataPacket {
    0% { left: -20px; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

/* Path Demo Section */
.path-demo {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    background: var(--sec);
    padding: var(--section-padding);
    border-radius: 10px;
    margin: var(--spacing-lg) 0;
}

.demo-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    margin-top: 40px;
}

.path-3d-view {
    background: linear-gradient(135deg, var(--sec) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 20px;
    padding: 30px;
    border: 2px solid var(--acc);
    position: relative;
    overflow: hidden;
}

.scene-container {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.learning-nodes {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
}

.node {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    border: 3px solid transparent;
}

.start-node {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
}

.concept-node {
    background: linear-gradient(135deg, var(--info), var(--info-dark));
}

.practice-node {
    background: linear-gradient(135deg, var(--caution-dark), #E65100);
}

.mastery-node {
    background: linear-gradient(135deg, var(--purple), var(--purple-dark));
}

.node.active {
    border-color: var(--acc);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    transform: scale(var(--scale-focus));
}

.node-content {
    text-align: center;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.9), 0 0 8px rgba(0,0,0,0.7);
}

.node-icon {
    font-size: 24px;
    margin-bottom: 5px;
}

.node h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: white !important;
}

.ai-pulse {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: var(--acc);
    border-radius: 50%;
    animation: pulse-demo 2s infinite;
}

@keyframes pulse-demo {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(var(--scale-focus)); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.path-line {
    width: 40px;
    height: 4px;
    background: linear-gradient(90deg, var(--acc), transparent);
    border-radius: 2px;
    position: relative;
}

.path-line::after {
    content: '';
    position: absolute;
    right: -8px;
    top: -4px;
    width: 0;
    height: 0;
    border-left: 8px solid var(--acc);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.ai-tutor {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 15px;
    padding: 15px;
    max-width: 300px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tutor-avatar {
    font-size: 24px;
}

.tutor-message {
    color: white;
    font-size: 14px;
    line-height: 1.4;
}

.demo-controls {
    background: var(--sec);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--acc);
}

.demo-controls h3 {
    margin-top: 0;
    color: var(--acc);
    text-align: center;
}

.control-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-item label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

.control-item select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--acc);
    background: var(--bg);
    color: var(--text);
}

.difficulty-buttons {
    display: flex;
    gap: 8px;
}

/* Use .btn-tab class instead */

.speed-slider {
    width: 100%;
    margin: 10px 0;
}

.speed-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text);
}

.adaptation-display {
    margin-top: 25px;
    padding: 20px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 10px;
    border: 1px solid var(--acc);
}

.adaptation-display h4 {
    margin-top: 0;
    color: var(--acc);
}

.adaptation-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.adaptation-item {
    padding: 8px 12px;
    background: var(--bg);
    border-radius: 6px;
    font-size: 14px;
    border-left: 3px solid var(--acc);
}

@media (max-width: 480px) {
    .path-demo {
        position: relative;
        height: 100vh;
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0;
        margin: 0;
    }
    
    .path-controls {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 50vh;
        overflow-y: auto;
        margin: 0;
        border-radius: 0 0 8px 8px;
    }

    .path-controls .control-group:nth-child(2) {
        width: 100% !important;
        display: block !important;
    }
    
    .path-controls .control-group:nth-child(2) .slider,
    .path-controls .control-group:nth-child(2) .stage-labels {
        width: 100%;
    }
    
    .path-controls .control-group:nth-child(3),
    .path-controls .control-group:nth-child(4) {
        display: inline-block;
        width: 45%;
        vertical-align: top;
    }
    
    .path-controls .control-group:nth-child(3) {
        margin-right: 5%;
    }
    
    .path-controls .control-group:nth-child(3) .btn-path,
    .path-controls .control-group:nth-child(4) .btn-path {
        font-size: 0.7rem;
        padding: 0.3rem 0.5rem;
    }
    
    .path-controls .path-toggles,
    .path-controls .adaptation-options {
        flex-direction: column;
    }
    
    .path-visualization {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 50vh;
        overflow-y: auto;
        margin: 0;
        border-radius: 8px 8px 0 0;
        padding: 0.5rem;
    }
    
    .path-visualization .path-display {
        padding: 0.5rem;
        display: grid;
        grid-template-columns: 1fr 5px 1fr 5px 1fr;
        grid-template-rows: auto 5px auto;
        gap: 0;
        justify-items: center;
        align-items: center;
        place-items: center;
    }
    
    .path-visualization .path-stage {
        width: 80px;
        height: 80px;
        padding: 0.3rem;
    }
    
    .path-visualization .path-connector {
        width: 5px;
        height: 2px;
        margin: 0;
    }
    
    .path-visualization .path-stage:nth-child(1) { grid-column: 1; grid-row: 1; }
    .path-visualization .path-connector:nth-child(2) { grid-column: 2; grid-row: 1; }
    .path-visualization .path-stage:nth-child(3) { grid-column: 3; grid-row: 1; }
    .path-visualization .path-connector:nth-child(4) { grid-column: 4; grid-row: 1; }
    .path-visualization .path-stage:nth-child(5) { grid-column: 5; grid-row: 1; }
    
    .path-visualization .path-stage:nth-child(7) { grid-column: 2; grid-row: 3; }
    .path-visualization .path-connector:nth-child(8) { grid-column: 3; grid-row: 3; }
    .path-visualization .path-stage:nth-child(9) { grid-column: 4; grid-row: 3; }
    
    .path-visualization .path-stage {
        width: 60px;
        height: 60px;
        padding: 0.5rem;
    }
    
    .path-visualization .stage-icon {
        font-size: 1.2rem;
        margin-bottom: 0.2rem;
    }
    
    .path-visualization .path-stage h4 {
        font-size: 0.7rem;
        margin: 0.2rem 0;
    }
    
    .path-visualization .path-stage p {
        font-size: 0.6rem;
        line-height: 1;
    }
    
    .path-visualization .path-connector {
        width: 2px;
        height: 20px;
        margin: 0.2rem 0;
    }
    
    .path-visualization .adaptation-feedback {
        padding: 0.5rem;
        margin-top: 0.5rem;
    }
    
    .path-visualization .adaptation-feedback h4 {
        font-size: 0.8rem;
        margin-bottom: 0.3rem;
    }
    
    .path-visualization .adaptation-feedback p {
        font-size: 0.7rem;
        margin: 0;
    }
    
    .path-visualization .path-display .path-connector:nth-child(6) {
        display: none;
    }
}

@media (max-width: 768px) {
    .path-demo {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .path-display {
        flex-direction: column;
        gap: 1rem;
    }
    
    .path-connector {
        width: 4px;
        height: 50px;
        margin: 1rem 0;
    }
    
    .path-connector::before {
        animation: flowingDataVertical 3s infinite;
    }
    
    .path-connector::after {
        width: 8px;
        height: 20px;
        top: -100%;
        left: -2px;
        animation: dataPacketVertical 2s infinite;
    }
    
    @keyframes flowingDataVertical {
        0% { top: -100%; left: 0; width: 100%; height: 100%; }
        100% { top: 100%; }
    }
    
    @keyframes dataPacketVertical {
        0% { top: -20px; opacity: 0; }
        10% { opacity: 1; }
        90% { opacity: 1; }
        100% { top: 100%; opacity: 0; }
    }
    
    .stage-breakdown {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .breakdown-visual {
        margin-bottom: 1rem;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .scene-container {
        height: auto;
        min-height: 300px;
        padding: 20px 0;
        flex-direction: column;
    }
    
    .learning-nodes {
        flex-direction: column;
        gap: 15px;
        order: 2;
    }
    
    .ai-tutor {
        position: static;
        margin-bottom: 20px;
        max-width: none;
        order: 1;
        align-self: center;
    }
    
    .path-line {
        width: 4px;
        height: 30px;
        transform: rotate(0deg);
        align-self: center;
    }
    
    .path-line::after {
        left: -1px;
        top: 22px;
        border-left: 6px solid var(--acc);
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
        transform: rotate(90deg);
    }
    
    .metrics-tabs {
        flex-direction: column;
    }
    
    .micro-analytics,
    .realtime-dashboard {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .time-bars {
        justify-content: space-between;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* Path Metrics Section */
.metrics-dashboard {
    background: var(--sec);
    border-radius: 15px;
    padding: 30px;
    margin-top: 40px;
    border: 2px solid var(--acc);
}

.metrics-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--acc);
    padding-bottom: 15px;
}

/* Use .btn-tab class instead */

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.metric-card {
    background: var(--bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--acc);
    text-align: center;
}

.metric-card h4 {
    color: var(--acc);
    margin-bottom: 20px;
}

.progress-chart {
    margin: 20px 0;
}

.chart-bar {
    background: linear-gradient(90deg, var(--acc), #FFD700);
    height: 40px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg);
    font-weight: bold;
    font-size: 18px;
    width: 78%;
    transition: width var(--transition-extra-slow);
}

.engagement-meter {
    position: relative;
    background: var(--sec);
    height: 30px;
    border-radius: 15px;
    margin: 20px 0;
    overflow: hidden;
}

.meter-fill {
    background: linear-gradient(90deg, var(--success), var(--light-green));
    height: 100%;
    width: 85%;
    border-radius: 15px;
    transition: width var(--transition-extra-slow);
}

.meter-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text);
    font-weight: bold;
}

.success-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.success-item {
    background: var(--sec);
    padding: 10px;
    border-radius: 6px;
    border-left: 4px solid var(--acc);
}

.micro-analytics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.learner-profile,
.behavioral-insights {
    background: var(--bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--acc);
}

.learner-profile h4,
.behavioral-insights h4 {
    color: var(--acc);
    margin-bottom: 20px;
}

.pattern-visualization {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.metric-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text);
}

.time-bars {
    display: flex;
    gap: 10px;
    align-items: end;
}

.time-bar {
    background: var(--acc);
    color: var(--bg);
    padding: 8px;
    border-radius: 4px;
    text-align: center;
    font-size: 12px;
    min-width: 50px;
}

.time-bar[data-time="12"] { height: 40px; }
.time-bar[data-time="18"] { height: 60px; }
.time-bar[data-time="15"] { height: 50px; }
.time-bar[data-time="22"] { height: 70px; }

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 5px;
}

.heat-cell {
    width: 30px;
    height: 30px;
    border-radius: 4px;
}

.heat-cell.high {
    background: var(--warning);
}

.heat-cell.medium {
    background: var(--caution);
}

.heat-cell.low {
    background: var(--success);
}

.insight-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.insight-item {
    background: var(--sec);
    padding: 12px;
    border-radius: 8px;
    border-left: 4px solid var(--acc);
    font-size: 14px;
}

.realtime-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.live-metrics,
.feedback-panel {
    background: var(--bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--acc);
}

.live-metrics h4,
.feedback-panel h4 {
    color: var(--acc);
    margin-bottom: 20px;
}

.live-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: var(--sec);
    border-radius: 10px;
}

.stat-value {
    display: block;
    font-size: 28px;
    font-weight: bold;
    color: var(--acc);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text);
}

.feedback-messages {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feedback-msg {
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
}

.feedback-msg.positive {
    background: var(--success-light);
    border-left: 4px solid var(--success);
}

.feedback-msg.neutral {
    background: rgba(255, 152, 0, 0.2);
    border-left: 4px solid var(--caution);
}

.feedback-msg.suggestion {
    background: var(--info-light);
    border-left: 4px solid var(--info);
}