/* ==========================================================================
   Brain Interactive SVG Layout
   ========================================================================== */
.brain-map-wrapper {
    background: var(--color-navy-dark);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-border);
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.brain-map-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    height: 500px;
}

.brain-svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* SVG Nodes Styling */
.brain-node {
    cursor: pointer;
    outline: none;
}

.brain-node circle {
    fill: var(--color-navy);
    stroke: var(--color-gray-steel);
    stroke-width: 2px;
    transition: var(--transition-smooth);
}

.brain-node text {
    fill: var(--color-gray-steel);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 13px;
    text-anchor: middle;
    transition: var(--transition-smooth);
    pointer-events: none;
    letter-spacing: 0.05em;
}

/* Connection Lines */
.brain-connection {
    stroke: var(--color-navy-light);
    stroke-width: 1.5px;
    stroke-dasharray: 4 4;
    transition: var(--transition-smooth);
    animation: dashPulse 20s linear infinite;
}

@keyframes dashPulse {
    to { stroke-dashoffset: -200px; }
}

/* Hover and Active states */
.brain-node:hover circle, 
.brain-node:focus circle {
    fill: rgba(0, 209, 193, 0.15);
    stroke: var(--color-teal);
    stroke-width: 3px;
    filter: drop-shadow(0 0 8px rgba(0, 209, 193, 0.6));
}

.brain-node:hover text, 
.brain-node:focus text {
    fill: var(--color-white);
    font-size: 14px;
}

.brain-node.center-node circle {
    stroke: var(--color-gold);
    stroke-width: 3px;
}

.brain-node.center-node:hover circle,
.brain-node.center-node:focus circle {
    stroke: var(--color-gold);
    filter: drop-shadow(0 0 8px rgba(246, 184, 75, 0.6));
}

.brain-node.center-node text {
    fill: var(--color-gold);
    font-size: 15px;
    font-weight: 700;
}

/* ==========================================================================
   Screen-Reader & Keyboard Accessible List Equivalent
   ========================================================================== */
.brain-accessibility-list {
    background: var(--color-navy-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    border: 1px solid var(--color-gray-border);
}

.brain-accessibility-list h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.brain-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.brain-list-btn {
    background: var(--color-navy-dark);
    color: var(--color-white);
    border: 1px solid var(--color-gray-border);
    padding: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    text-align: center;
}

.brain-list-btn:hover, .brain-list-btn:focus {
    background: var(--color-teal);
    color: var(--color-navy);
    border-color: var(--color-teal);
    outline: none;
}

/* ==========================================================================
   Detail Dialog Styling
   ========================================================================== */
.detail-tag {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    display: inline-block;
    margin-bottom: var(--spacing-xs);
}

.detail-title {
    font-size: 2rem;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.detail-divider {
    height: 3px;
    background: var(--gradient-cinematic);
    width: 60px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.detail-body-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-steel);
}

.detail-body-text blockquote {
    border-left: 4px solid var(--color-gold);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-style: italic;
    color: var(--color-navy-light);
}