/* Interest Galaxy Visualization */
#interest-galaxy-container {
    position: relative;
    width: 100%;
    min-height: 700px;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1e 100%);
    border-radius: 15px;
    overflow: hidden;
    margin: 40px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

#interest-galaxy {
    width: 100%;
    height: 700px;
    position: relative;
}

/* Starfield background effect */
.galaxy-stars {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.galaxy-star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    opacity: 0.3;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* Interest Nodes */
.interest-node {
    position: absolute;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 20;
}

.interest-node-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #22A39F 0%, #1c8784 100%);
    box-shadow: 0 4px 15px rgba(34, 163, 159, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 8px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    overflow: hidden;
}

/* Color variations for different importance levels */
.interest-node.color-primary .interest-node-inner {
    background: linear-gradient(135deg, #22A39F 0%, #1c8784 100%);
    box-shadow: 0 6px 25px rgba(34, 163, 159, 0.6);
    border: 3px solid rgba(34, 163, 159, 0.3);
}

.interest-node.color-secondary .interest-node-inner {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.5);
    border: 3px solid rgba(139, 92, 246, 0.3);
}

.interest-node.color-tertiary .interest-node-inner {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
    border: 3px solid rgba(245, 158, 11, 0.3);
}

/* Different sizes for different node importance - scaled for large screens */
.interest-node.size-primary {
    width: 120px;
    height: 120px;
}

.interest-node.size-secondary {
    width: 90px;
    height: 90px;
}

.interest-node.size-tertiary {
    width: 70px;
    height: 70px;
}

/* Node icon styling */
.interest-node-icon {
    font-size: 1.6rem;
    color: white;
    margin-bottom: 3px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.interest-node.size-secondary .interest-node-icon {
    font-size: 1.3rem;
    margin-bottom: 2px;
}

.interest-node.size-tertiary .interest-node-icon {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.interest-node-label {
    color: white;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    line-height: 1.1;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    display: block;
}

.interest-node.size-primary .interest-node-label {
    font-size: 11px;
    line-height: 1.15;
}

.interest-node.size-secondary .interest-node-label {
    font-size: 9px;
}

.interest-node.size-tertiary .interest-node-label {
    font-size: 8px;
}

/* Hover effects with color-specific glow */
.interest-node:hover {
    transform: scale(1.15);
    z-index: 200;
}

/* Active node should be behind the detail panel */
.interest-node.active {
    z-index: 10;
}

.interest-node.color-primary:hover .interest-node-inner {
    background: linear-gradient(135deg, #2bc4be 0%, #22A39F 100%);
    box-shadow: 0 10px 40px rgba(34, 163, 159, 0.8);
    border-color: rgba(255, 255, 255, 0.7);
}

.interest-node.color-secondary:hover .interest-node-inner {
    background: linear-gradient(135deg, #A78BFA 0%, #8B5CF6 100%);
    box-shadow: 0 8px 35px rgba(139, 92, 246, 0.8);
    border-color: rgba(255, 255, 255, 0.7);
}

.interest-node.color-tertiary:hover .interest-node-inner {
    background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
    box-shadow: 0 6px 30px rgba(245, 158, 11, 0.8);
    border-color: rgba(255, 255, 255, 0.7);
}

.interest-node:hover .interest-node-inner {
    border-color: rgba(255, 255, 255, 0.6);
}

.interest-node:hover .interest-node-icon {
    transform: scale(1.2) rotate(5deg);
}

/* Active/Selected state - adapt to node color */
.interest-node.active .interest-node-inner {
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.5);
}

.interest-node.color-primary.active .interest-node-inner {
    border-color: #22A39F;
}

.interest-node.color-secondary.active .interest-node-inner {
    border-color: #8B5CF6;
}

.interest-node.color-tertiary.active .interest-node-inner {
    border-color: #F59E0B;
}

.interest-node.color-primary.active .interest-node-icon,
.interest-node.color-primary.active .interest-node-label {
    color: #22A39F;
}

.interest-node.color-secondary.active .interest-node-icon,
.interest-node.color-secondary.active .interest-node-label {
    color: #8B5CF6;
}

.interest-node.color-tertiary.active .interest-node-icon,
.interest-node.color-tertiary.active .interest-node-label {
    color: #F59E0B;
}

/* Connection Lines (SVG) */
#interest-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connection-line {
    stroke: rgba(34, 163, 159, 0.3);
    stroke-width: 2;
    fill: none;
    transition: all 0.3s ease;
}

.connection-line.highlighted {
    stroke: rgba(34, 163, 159, 0.8);
    stroke-width: 3;
    filter: drop-shadow(0 0 8px rgba(34, 163, 159, 0.6));
}

/* Detail Panel */
#interest-detail-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 15px 15px 0 0;
    box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(100%);
    transition: transform 0.4s ease;
    z-index: 50;
    max-height: 60%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

#interest-detail-panel.visible {
    transform: translateY(0);
}

.detail-content-wrapper {
    overflow-y: auto;
    padding: 30px;
    padding-top: 50px;
    flex: 1;
}

.detail-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #e0e0e0;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 24px;
    line-height: 32px;
    text-align: center;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.detail-close:hover {
    color: #22A39F;
    border-color: #22A39F;
    background: white;
    transform: scale(1.1);
}

.detail-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.detail-icon {
    font-size: 3rem;
    color: #22A39F;
    margin-right: 20px;
}

.detail-title {
    font-size: 28px;
    color: #22A39F;
    margin: 0;
    font-weight: 300;
}

.detail-content {
    color: #434242;
    line-height: 1.64;
}

.detail-stats {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.detail-stat {
    background: #F3EFE0;
    padding: 10px 20px;
    border-radius: 8px;
    border-left: 3px solid #22A39F;
}

.detail-stat-label {
    font-size: 11px;
    color: #727878;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 5px;
}

.detail-stat-value {
    font-size: 18px;
    color: #22A39F;
    font-weight: 700;
}

.detail-connections {
    margin-top: 20px;
}

.detail-connections h4 {
    font-size: 16px;
    color: #727878;
    margin-bottom: 10px;
    font-weight: 600;
}

.connection-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.connection-tag {
    background: #22A39F;
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    white-space: nowrap;
}

.connection-tag:hover {
    background: #1c8784;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(34, 163, 159, 0.3);
}

.detail-connections .connection-tag.skill-tag {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    display: flex;
    align-items: center;
    gap: 5px;
    position: relative;
    color: white;
}

.detail-connections .connection-tag.skill-tag:hover {
    background: linear-gradient(135deg, #A78BFA 0%, #8B5CF6 100%);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.5);
    transform: translateY(-3px) scale(1.05);
}

.detail-connections .connection-tag.skill-tag i {
    font-size: 10px;
}

.related-skills-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(34, 163, 159, 0.2);
}

.related-skills-section h4 {
    color: #8B5CF6;
}

/* Instructions overlay */
.galaxy-instructions {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 20px;
    border-radius: 10px;
    color: #434242;
    font-size: 13px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 15;
    max-width: 250px;
    transition: opacity 0.3s ease;
}

.galaxy-instructions.hidden {
    opacity: 0;
    pointer-events: none;
}

.galaxy-instructions i {
    color: #22A39F;
    margin-right: 8px;
}

.galaxy-instructions p {
    margin: 8px 0;
    line-height: 1.4;
}

/* Legend */
.galaxy-legend {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 15;
}

.galaxy-legend h4 {
    font-size: 14px;
    color: #22A39F;
    margin: 0 0 10px 0;
    font-weight: 600;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 8px 0;
    font-size: 12px;
    color: #434242;
}

.legend-circle {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    margin-right: 10px;
    background: #22A39F;
    box-shadow: 0 2px 8px rgba(34, 163, 159, 0.4);
}

.legend-circle.primary {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #22A39F 0%, #1c8784 100%);
    box-shadow: 0 3px 12px rgba(34, 163, 159, 0.6);
}

.legend-circle.secondary {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.5);
}

.legend-circle.tertiary {
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* Responsive Design - Tablet (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 768px) {
    #interest-galaxy-container {
        min-height: 650px;
    }

    #interest-galaxy {
        height: 650px;
    }

    /* Medium nodes for tablets - icon only, no text */
    .interest-node.size-primary {
        width: 85px;
        height: 85px;
    }

    .interest-node.size-secondary {
        width: 65px;
        height: 65px;
    }

    .interest-node.size-tertiary {
        width: 50px;
        height: 50px;
    }

    .interest-node-icon {
        font-size: 2rem;
        margin-bottom: 0;
    }

    .interest-node.size-secondary .interest-node-icon {
        font-size: 1.5rem;
    }

    .interest-node.size-tertiary .interest-node-icon {
        font-size: 1.2rem;
    }

    .interest-node-inner {
        padding: 6px;
        border: 2px solid rgba(255, 255, 255, 0.2);
    }

    .interest-node.color-primary .interest-node-inner,
    .interest-node.color-secondary .interest-node-inner,
    .interest-node.color-tertiary .interest-node-inner {
        border-width: 2px;
    }

    /* Hide text labels on tablet - icon only */
    .interest-node-label {
        display: none;
    }

    .galaxy-legend {
        opacity: 0.95;
    }
}

/* Responsive Design - Mobile (under 768px) */
@media (max-width: 767px) {
    #interest-galaxy-container {
        min-height: 600px;
        touch-action: pan-x pan-y;
    }

    #interest-galaxy {
        height: 600px;
        width: 100%;
        position: relative;
        /* Enable scrolling if needed */
        overflow: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Smaller nodes for mobile - icon only, no text */
    .interest-node.size-primary {
        width: 60px;
        height: 60px;
    }

    .interest-node.size-secondary {
        width: 48px;
        height: 48px;
    }

    .interest-node.size-tertiary {
        width: 38px;
        height: 38px;
    }

    .interest-node-icon {
        font-size: 1.5rem;
        margin-bottom: 0;
    }

    .interest-node.size-secondary .interest-node-icon {
        font-size: 1.2rem;
    }

    .interest-node.size-tertiary .interest-node-icon {
        font-size: 1rem;
    }

    .interest-node-inner {
        padding: 5px;
        border: 2px solid rgba(255, 255, 255, 0.2);
    }

    .interest-node.color-primary .interest-node-inner,
    .interest-node.color-secondary .interest-node-inner,
    .interest-node.color-tertiary .interest-node-inner {
        border-width: 2px;
    }

    /* Hide text labels on mobile - icon only */
    .interest-node-label {
        display: none;
    }

    /* Hide instructions and legend on mobile initially */
    .galaxy-instructions {
        display: none;
    }

    .galaxy-legend {
        position: absolute;
        top: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 11px;
        opacity: 0.9;
    }

    .galaxy-legend h4 {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .legend-item {
        margin: 4px 0;
        font-size: 10px;
    }

    .legend-circle.primary {
        width: 22px;
        height: 22px;
    }

    .legend-circle.secondary {
        width: 16px;
        height: 16px;
    }

    .legend-circle.tertiary {
        width: 12px;
        height: 12px;
    }

    /* Detail panel optimization for mobile */
    #interest-detail-panel {
        max-height: 65%;
        border-radius: 12px 12px 0 0;
    }

    .detail-content-wrapper {
        padding: 15px;
        padding-top: 45px;
    }

    .detail-close {
        top: 10px;
        right: 15px;
        width: 32px;
        height: 32px;
        font-size: 20px;
        line-height: 28px;
    }

    .detail-icon {
        font-size: 2rem;
        margin-right: 15px;
    }

    .detail-title {
        font-size: 18px;
    }

    .detail-content {
        font-size: 14px;
    }

    .detail-stats {
        gap: 10px;
    }

    .detail-stat {
        padding: 8px 15px;
        flex: 1 1 calc(50% - 10px);
        min-width: 120px;
    }

    .detail-stat-label {
        font-size: 10px;
    }

    .detail-stat-value {
        font-size: 15px;
    }

    .connection-tag {
        font-size: 11px;
        padding: 5px 12px;
    }

    /* Mobile hint overlay */
    .mobile-hint {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(34, 163, 159, 0.95);
        color: white;
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 12px;
        z-index: 10;
        animation: fadeInOut 3s ease-in-out;
        pointer-events: none;
    }

    @keyframes fadeInOut {
        0%, 100% { opacity: 0; }
        10%, 90% { opacity: 1; }
    }
}

/* Responsive Design - Very Small Mobile (under 400px) */
@media (max-width: 400px) {
    #interest-galaxy-container {
        min-height: 550px;
    }

    #interest-galaxy {
        height: 550px;
    }

    /* Even smaller nodes for very small screens to prevent overlap */
    .interest-node.size-primary {
        width: 52px;
        height: 52px;
    }

    .interest-node.size-secondary {
        width: 42px;
        height: 42px;
    }

    .interest-node.size-tertiary {
        width: 34px;
        height: 34px;
    }

    .interest-node-icon {
        font-size: 1.3rem;
    }

    .interest-node.size-secondary .interest-node-icon {
        font-size: 1.1rem;
    }

    .interest-node.size-tertiary .interest-node-icon {
        font-size: 0.9rem;
    }

    .interest-node-inner {
        padding: 4px;
    }

    /* Adjust legend for very small screens */
    .galaxy-legend {
        padding: 6px 10px;
        font-size: 10px;
    }

    .galaxy-legend h4 {
        font-size: 11px;
        margin-bottom: 5px;
    }

    .legend-item {
        margin: 3px 0;
        font-size: 9px;
    }

    .legend-circle.primary {
        width: 18px;
        height: 18px;
    }

    .legend-circle.secondary {
        width: 14px;
        height: 14px;
    }

    .legend-circle.tertiary {
        width: 11px;
        height: 11px;
    }

    /* Make detail panel take up more space on very small screens */
    #interest-detail-panel {
        max-height: 70%;
    }

    .detail-content-wrapper {
        padding: 12px;
        padding-top: 40px;
    }

    .detail-icon {
        font-size: 1.6rem;
        margin-right: 12px;
    }

    .detail-title {
        font-size: 16px;
    }

    .detail-content {
        font-size: 13px;
        line-height: 1.5;
    }

    .connection-tag {
        font-size: 10px;
        padding: 4px 10px;
    }
}

/* Animations for initial load */
@keyframes nodeAppear {
    from {
        opacity: 0;
        transform: scale(0);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.interest-node {
    animation: nodeAppear 0.5s ease backwards;
}

.interest-node:nth-child(1) { animation-delay: 0.1s; }
.interest-node:nth-child(2) { animation-delay: 0.2s; }
.interest-node:nth-child(3) { animation-delay: 0.3s; }
.interest-node:nth-child(4) { animation-delay: 0.4s; }
.interest-node:nth-child(5) { animation-delay: 0.5s; }
.interest-node:nth-child(6) { animation-delay: 0.6s; }
.interest-node:nth-child(7) { animation-delay: 0.7s; }
.interest-node:nth-child(8) { animation-delay: 0.8s; }
.interest-node:nth-child(9) { animation-delay: 0.9s; }