/* --- Entropy Blog Theme V2 (Deep Indigo) --- */

/* This class on the body tag activates the theme */
.entropy-v2-theme {
    /* Define a new, distinct set of accent colors */
    --accent-primary: #3b82f6;   /* Blue */
    --accent-secondary: #ffffff;  /* White */
    --accent-tertiary: #60a5fa;  /* Light Blue */
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);
}

/* Override existing styles using the theme class */
.entropy-v2-theme .blog-header h1 {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.entropy-v2-theme .blog-post h2 i {
    color: var(--accent-primary);
}

.entropy-v2-theme #back-page a,
.entropy-v2-theme .meta-item i {
    color: var(--accent-primary);
}

.entropy-v2-theme .blog-post strong {
    color: var(--accent-secondary);
}

/* New, unique elements for this blog post */
.key-formula-box {
    text-align: center;
    padding: 2.5rem;
    margin: 3rem 0;
    border: 1px solid var(--accent-tertiary);
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(72, 61, 139, 0.1), rgba(138, 43, 226, 0.1));
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.math-heavy-section {
    background: var(--glass-bg);
    padding: 2.5rem;
    margin: 2rem -2.5rem; /* Extend to the edges of the parent padding */
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.derivation-panel {
    padding: 2rem;
    margin-top: 2rem;
    border-radius: 15px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
}

.derivation-panel h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.concept-box-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.concept-box {
    background: var(--glass-bg);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid var(--accent-tertiary);
}

.concept-box h3 {
    text-align: center;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Responsive adjustment for concept boxes */
@media (max-width: 768px) {
    .concept-box-wrapper {
        grid-template-columns: 1fr;
    }
}