/* Wave-Particle Duality Specific Styles */

/* Timeline Styling */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 40px auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, 
        var(--quantum-cyan) 0%,
        var(--quantum-magenta) 50%,
        var(--quantum-green) 100%
    );
    box-shadow: 0 0 20px var(--quantum-cyan);
}

.timeline-item {
    position: relative;
    margin: 60px 0;
    padding: 25px;
    background: rgba(0, 10, 20, 0.8);
    border: 2px solid var(--quantum-cyan);
    border-radius: 8px;
    box-shadow: 
        0 0 20px rgba(0, 255, 255, 0.3),
        inset 0 0 30px rgba(0, 255, 255, 0.05);
}

.timeline-item:nth-child(odd) {
    margin-left: calc(50% + 40px);
    border-color: var(--quantum-magenta);
    box-shadow: 
        0 0 20px rgba(255, 0, 255, 0.3),
        inset 0 0 30px rgba(255, 0, 255, 0.05);
}

.timeline-item:nth-child(even) {
    margin-right: calc(50% + 40px);
}

.timeline-year {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--quantum-green);
    text-shadow: 0 0 10px var(--quantum-green);
    background: var(--void-black);
    padding: 10px 20px;
    border: 2px solid var(--quantum-green);
    border-radius: 50px;
    box-shadow: 0 0 20px var(--quantum-green);
}

.timeline-item:nth-child(odd) .timeline-year {
    right: calc(100% + 60px);
}

.timeline-item:nth-child(even) .timeline-year {
    left: calc(100% + 60px);
}

.timeline-item h3 {
    font-family: 'Orbitron', monospace;
    color: var(--quantum-yellow);
    font-size: 1.3rem;
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--quantum-yellow);
}

.timeline-item p {
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* Duality Demo Styles */
.duality-demo {
    background: rgba(0, 10, 20, 0.9);
    border: 2px solid var(--quantum-cyan);
    border-radius: 10px;
    padding: 40px;
    margin: 60px 0;
    box-shadow: 
        0 0 40px rgba(0, 255, 255, 0.3),
        inset 0 0 50px rgba(0, 255, 255, 0.05);
}

.duality-demo h2 {
    font-family: 'Orbitron', monospace;
    text-align: center;
    color: var(--quantum-cyan);
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--quantum-cyan);
}

.demo-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.demo-button {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, var(--quantum-magenta), var(--quantum-cyan));
    color: var(--void-black);
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.demo-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--quantum-cyan);
}

.demo-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--quantum-green);
    border: 2px solid var(--quantum-green);
}

.photon-count {
    font-family: 'Orbitron', monospace;
    color: var(--quantum-yellow);
    font-size: 1.2rem;
    text-shadow: 0 0 10px var(--quantum-yellow);
}

.slit-apparatus {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin: 30px 0;
}

.photon-source {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--quantum-yellow), transparent);
    border: 3px solid var(--quantum-yellow);
    border-radius: 50%;
    box-shadow: 0 0 40px var(--quantum-yellow);
    position: relative;
}

.source-label {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--void-black);
    text-align: center;
    text-shadow: none;
}

.slits {
    position: relative;
    width: 100px;
    height: 400px;
    background: rgba(100, 100, 100, 0.3);
}

.slit {
    position: absolute;
    width: 100%;
    height: 50px;
    background: var(--void-black);
}

.slit-top {
    top: 150px;
}

.slit-bottom {
    top: 200px;
}

.slit-barrier {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(150, 150, 150, 0.8) 0%, 
        rgba(150, 150, 150, 0.8) 37.5%, 
        transparent 37.5%, 
        transparent 50%, 
        rgba(150, 150, 150, 0.8) 50%, 
        rgba(150, 150, 150, 0.8) 100%
    );
}

.detector {
    position: absolute;
    width: 30px;
    height: 60px;
    background: rgba(255, 0, 255, 0.3);
    border: 2px solid var(--quantum-magenta);
    display: none;
    box-shadow: 0 0 20px var(--quantum-magenta);
}

.detector.active {
    display: block;
}

.detector-top {
    top: 145px;
    right: -35px;
}

.detector-bottom {
    top: 195px;
    right: -35px;
}

.detector-label {
    font-size: 0.6rem;
    font-family: 'Courier New', monospace;
    color: var(--quantum-magenta);
    writing-mode: vertical-rl;
    text-align: center;
}

#detectionScreen {
    border: 3px solid var(--quantum-cyan);
    background: var(--void-black);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.5),
        inset 0 0 50px rgba(0, 255, 255, 0.1);
    border-radius: 5px;
}

.demo-explanation {
    margin-top: 30px;
}

.explanation-box {
    background: rgba(0, 255, 255, 0.05);
    border: 2px solid var(--quantum-cyan);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.explanation-box.hidden {
    display: none;
}

.explanation-box h3 {
    font-family: 'Orbitron', monospace;
    color: var(--quantum-cyan);
    margin-bottom: 10px;
}

/* De Broglie Section Styles */
.debroglie-section .equation-box {
    background: rgba(0, 255, 0, 0.05);
    border: 3px solid var(--quantum-green);
    border-radius: 10px;
    padding: 30px;
    margin: 30px auto;
    max-width: 600px;
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.3);
}

.equation-display {
    font-family: 'Courier New', monospace;
    font-size: 2.5rem;
    text-align: center;
    color: var(--quantum-green);
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--quantum-green);
}

.equation-explanation {
    text-align: center;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.wavelength-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.example-card {
    background: rgba(0, 10, 20, 0.8);
    border: 2px solid var(--quantum-magenta);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 
        0 0 20px rgba(255, 0, 255, 0.3),
        inset 0 0 30px rgba(255, 0, 255, 0.05);
    transition: all 0.3s ease;
}

.example-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 40px rgba(255, 0, 255, 0.5);
}

.example-card h3 {
    font-family: 'Orbitron', monospace;
    color: var(--quantum-yellow);
    font-size: 1.2rem;
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--quantum-yellow);
}

.wavelength-value {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    color: var(--quantum-cyan);
    text-align: center;
    margin: 20px 0;
    text-shadow: 0 0 15px var(--quantum-cyan);
}

.key-insight {
    background: rgba(255, 255, 0, 0.05);
    border: 2px solid var(--quantum-yellow);
    border-radius: 8px;
    padding: 25px;
    margin-top: 40px;
    line-height: 1.8;
    box-shadow: 0 0 20px rgba(255, 255, 0, 0.2);
}

.key-insight strong {
    color: var(--quantum-yellow);
    text-shadow: 0 0 10px var(--quantum-yellow);
}

/* Modern Experiments Section */
.modern-section {
    margin-top: 60px;
}

.experiment-list {
    display: grid;
    gap: 30px;
    margin-top: 30px;
}

.experiment-item {
    background: rgba(0, 10, 20, 0.7);
    border-left: 5px solid var(--quantum-cyan);
    padding: 25px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.experiment-item:hover {
    background: rgba(0, 10, 20, 0.9);
    border-left-color: var(--quantum-magenta);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.experiment-item h3 {
    font-family: 'Orbitron', monospace;
    color: var(--quantum-cyan);
    font-size: 1.3rem;
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--quantum-cyan);
}

.experiment-item p {
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* Applications Section */
.application-list {
    display: grid;
    gap: 30px;
    margin-top: 30px;
}

.application-item {
    background: rgba(0, 10, 20, 0.7);
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
}

.application-item:hover {
    border-color: var(--quantum-cyan);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
    transform: translateX(5px);
}

.application-item h3 {
    font-family: 'Orbitron', monospace;
    color: var(--quantum-green);
    font-size: 1.2rem;
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--quantum-green);
}

/* Misconceptions Section */
.misconceptions-section {
    margin-top: 60px;
}

.misconception-box {
    background: rgba(0, 10, 20, 0.8);
    border-radius: 8px;
    padding: 25px;
    margin: 25px 0;
}

.misconception-box.wrong {
    border: 2px solid rgba(255, 0, 0, 0.6);
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.2);
}

.misconception-box.right {
    border: 2px solid rgba(0, 255, 0, 0.6);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
}

.misconception-box h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.misconception-box.wrong h3 {
    color: #ff4444;
    text-shadow: 0 0 10px #ff4444;
}

.misconception-box.right h3 {
    color: var(--quantum-green);
    text-shadow: 0 0 10px var(--quantum-green);
}

.misconception-box p {
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* Responsive Design */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
    
    .timeline-year {
        left: -60px !important;
        right: auto !important;
        font-size: 1rem;
        padding: 5px 10px;
    }
    
    .slit-apparatus {
        flex-direction: column;
    }
    
    .wavelength-examples {
        grid-template-columns: 1fr;
    }
}