/* ============================================
   DECOHERENCE PAGE - SPECIFIC STYLES
   Only loaded on decoherence.php
   ============================================ */

/* Page Header */
.page-header {
    text-align: center;
    margin: 40px 0 60px 0;
    padding: 40px 20px;
    border-bottom: 2px solid var(--quantum-cyan);
}

.page-header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--quantum-cyan);
    text-shadow: 0 0 20px var(--quantum-cyan), 0 0 40px var(--quantum-cyan);
    margin-bottom: 15px;
    letter-spacing: 0.05em;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--quantum-green);
    opacity: 0.9;
    letter-spacing: 0.1em;
}

/* Content Sections */
.intro-section,
.mechanics-section,
.applications-section,
.insights-section {
    margin: 60px 0;
}

.intro-section h2,
.mechanics-section h2,
.applications-section h2,
.insights-section h2 {
    font-size: 2rem;
    color: var(--quantum-cyan);
    margin-bottom: 20px;
    border-left: 4px solid var(--quantum-cyan);
    padding-left: 20px;
}

.intro-section p,
.mechanics-section p,
.applications-section p {
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.intro-section strong,
.mechanics-section strong,
.applications-section strong {
    color: var(--quantum-green);
}

.intro-section em {
    color: var(--quantum-cyan);
    font-style: italic;
}

/* Concept Grid */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.concept-card {
    background: rgba(0, 217, 255, 0.05);
    border: 2px solid var(--quantum-cyan);
    padding: 30px;
    transition: all 0.3s ease;
}

.concept-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
    border-color: var(--quantum-green);
}

.concept-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.concept-card h3 {
    color: var(--quantum-cyan);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.concept-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* Demo Section */
.decoherence-demo {
    background: rgba(0, 217, 255, 0.05);
    border: 2px solid var(--quantum-cyan);
    padding: 40px;
    margin: 60px 0;
}

.decoherence-demo h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--quantum-cyan);
    text-align: center;
}

.decoherence-demo > p {
    margin-bottom: 20px;
    line-height: 1.8;
    text-align: center;
}

.demo-instructions {
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--quantum-green);
    padding: 20px;
    margin: 30px 0;
}

.demo-instructions p {
    margin-bottom: 10px;
    color: var(--quantum-green);
    font-weight: 700;
}

.demo-instructions ul {
    list-style: none;
    padding-left: 0;
}

.demo-instructions li {
    padding: 8px 0 8px 25px;
    position: relative;
    line-height: 1.6;
}

.demo-instructions li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--quantum-cyan);
    font-weight: bold;
}

.demo-instructions strong {
    color: var(--quantum-cyan);
}

.coherence-display {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    margin: 20px 0;
    display: flex;
    justify-content: center;
}

#coherenceCanvas {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--quantum-cyan);
}

.coherence-meter {
    margin: 30px 0;
}

.meter-label {
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.meter-bar {
    width: 100%;
    height: 30px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--quantum-cyan);
    position: relative;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--quantum-cyan), var(--quantum-green));
    width: 100%;
    transition: width 0.1s linear;
    box-shadow: 0 0 20px var(--quantum-cyan);
}

.meter-value {
    text-align: right;
    font-size: 1.2rem;
    color: var(--quantum-cyan);
    font-weight: 700;
    margin-top: 10px;
}

.noise-controls {
    margin-top: 20px;
}

.noise-controls label {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
}

.noise-controls input[type="range"] {
    flex: 1;
    height: 4px;
    background: rgba(0, 217, 255, 0.3);
    outline: none;
    -webkit-appearance: none;
}

.noise-controls input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--quantum-cyan);
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--quantum-cyan);
}

.noise-controls input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--quantum-cyan);
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--quantum-cyan);
    border: none;
}

/* Applications List */
.application-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
}

.application-item {
    background: rgba(0, 255, 65, 0.05);
    border-left: 4px solid var(--quantum-green);
    padding: 25px;
    transition: all 0.3s ease;
}

.application-item:hover {
    background: rgba(0, 255, 65, 0.1);
    transform: translateX(10px);
}

.application-item h3 {
    color: var(--quantum-green);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.application-item p {
    line-height: 1.7;
    opacity: 0.9;
}

/* Insights */
.insight-box {
    background: rgba(255, 190, 11, 0.05);
    border: 2px solid var(--quantum-yellow);
    padding: 25px;
    margin: 20px 0;
}

.insight-box strong {
    color: var(--quantum-yellow);
}

.insight-box p {
    line-height: 1.8;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .page-header {
        margin: 20px 0 40px 0;
        padding: 20px 10px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1rem;
    }

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

    .decoherence-demo {
        padding: 20px;
    }

    .demo-instructions {
        padding: 15px;
    }

    .intro-section h2,
    .mechanics-section h2,
    .applications-section h2,
    .insights-section h2 {
        font-size: 1.5rem;
    }
}