/* Skills Visualization Styles */
.skills-intro {
    text-align: center;
    color: var(--text-color, #7e7d7d);
    margin-bottom: 20px;
    font-style: italic;
    line-height: 1.5;
}

#skills-visualization {
    width: 100%;
    height: 800px;
    /*background-color: rgba(255, 255, 255, 0.8);*/
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* SVG Styles */
#skills-visualization svg {
    display: block;
    /*background-color: transparent;*/
}

/* Title */
.skills-title {
    font-size: 24px;
    font-weight: bold;
    fill: var(--text-color, #333);
}

/* Node Styles */
.node circle {
    stroke-width: 2px;
    transition: all 0.3s ease;
}

.node text {
    font-size: 12px;
    /*fill: var(--text-color, #333);*/
    fill: white;
    pointer-events: none; /* Ensures text doesn't interfere with hover */
    transition: all 0.3s ease;
}

/* Core Competency Nodes */
.core-competency circle {
    fill: rgba(65, 105, 225); /* Royal Blue */
    stroke: #4169e1;
}

.core-competency text {
    font-weight: bold;
    font-size: 14px;
    color: white;
}

/* Technical Skill Nodes */
.technical-skill circle {
    fill: rgba(46, 204, 113); /* Emerald Green */
    stroke: #2ecc71;
}

/* Soft Skill Nodes */
.soft-skill circle {
    fill: rgba(241, 196, 15); /* Yellow */
    stroke: #f1c40f;
}

/* Connection Lines */
.connection {
    stroke-width: 2px;
    stroke-opacity: 0.6;
    transition: all 0.3s ease;
}

.technical-connection {
    stroke: #2ecc71;
}

.soft-connection {
    stroke: #f1c40f;
}

/* Hover Effects */
.node.hover circle {
    stroke-width: 3px;
    transform: scale(1.1);
}

.node.connected circle {
    stroke-width: 3px;
    transform: scale(1.05);
}

/* Style for nodes that are instances of the same skill */
.node.same-skill circle {
    stroke-width: 2.5px;
    stroke-dasharray: 3, 3; /* Dashed stroke */
    opacity: 0.9;
}

.node.same-skill text {
    font-weight: bold;
}

.connection.highlight {
    stroke-width: 4px;
    stroke-opacity: 1;
}

/* Legend Styles */
.legend text {
    font-size: 12px;
    fill: var(--text-color, #333);
}

.legend circle {
    stroke-width: 1px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    #skills-visualization {
        background-color: rgba(220, 220, 220);
    }

    .skills-title, .node text, .legend text {
        fill: var(--text-color, #f0f0f0);
    }
}

/* Responsive Adjustments */
@media screen and (max-width: 768px) {
    #skills-visualization {
        height: 600px;
    }

    .node text {
        font-size: 10px;
    }

    .core-competency text {
        font-size: 12px;
    }

    .legend text {
        font-size: 10px;
    }
}

/* Chemical Compound Visual Elements */
.node circle {
    /* Add subtle shadow for 3D effect */
    filter: drop-shadow(0px 2px 3px rgba(0, 0, 0, 0.2));
}

/* Molecule-like pulsing animation for core competencies */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.core-competency circle {
    animation: pulse 5s infinite ease-in-out;
}

/* Different pulse timing for each core competency */
.node[data-id="software-dev"] circle { animation-delay: 0s; }
.node[data-id="data-science"] circle { animation-delay: 1s; }
.node[data-id="machine-learning"] circle { animation-delay: 2s; }
.node[data-id="ai"] circle { animation-delay: 3s; }
.node[data-id="quantum-computing"] circle { animation-delay: 4s; }

/* Instructions overlay */
.instructions-overlay {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    color: #333;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    opacity: 0.8;
}

/* Dark mode for instructions */
@media (prefers-color-scheme: dark) {
    .instructions-overlay {
        background-color: rgba(50, 50, 50, 0.8);
        color: #f0f0f0;
    }
}