.skills-analytics {
    margin-bottom: 3rem;
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    background: #010101;
    border: 1px solid #111111;
    position: relative;
    overflow: hidden;
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.analytics-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.analytics-stats {
    font-size: 0.75rem;
    color: #666666;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.charts-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart-section {
    position: relative;
}

.chart-title {
    font-size: 0.8rem;
    color: #cccccc;
    margin-bottom: 1rem;
    font-weight: 400;
    letter-spacing: 0.025em;
}

.mastery-distribution {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mastery-level-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.level-label {
    font-size: 0.75rem;
    color: #888888;
    min-width: 80px;
    font-weight: 400;
}

.level-bar {
    flex: 1;
    height: 4px;
    background: #111111;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.level-fill {
    height: 100%;
    background: #ffffff;
    border-radius: 2px;
    transition: width 1s ease;
    position: relative;
}

.level-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: -10px;
    width: 10px;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.8), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

.level-count {
    font-size: 0.75rem;
    color: #666666;
    min-width: 30px;
    text-align: right;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.category-distribution {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-name {
    font-size: 0.75rem;
    color: #888888;
    min-width: 120px;
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-bar-fill {
    flex: 1;
    height: 4px;
    background: #111111;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.category-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 1s ease;
    position: relative;
}

.category-fill.frontend { background: #ffffff; }
.category-fill.backend { background: #ffffff; }
.category-fill.data { background: #ffffff; }
.category-fill.devops { background: #ffffff; }
.category-fill.frontenddevelopment { background: #ffffff; }
.category-fill.backenddevelopment { background: #ffffff; }
.category-fill.dataanalysis { background: #ffffff; }
.category-fill.devopstools { background: #ffffff; }

/* Skill popup modal */
.skill-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.skill-popup-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.skill-popup {
    background: #000000;
    border: 1px solid #333333;
    border-radius: 2px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.skill-popup-overlay.visible .skill-popup {
    transform: scale(1);
}

.skill-popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: #666666;
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.skill-popup-close:hover {
    color: #ffffff;
}

.skill-popup-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
    letter-spacing: 0.025em;
}

.skill-popup-mastery {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.popup-mastery-bar {
    display: flex;
    gap: 2px;
}

.popup-mastery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
}

.popup-mastery-dot.filled {
    background: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.3);
}

.popup-mastery-level {
    font-size: 0.875rem;
    color: #888888;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.skill-popup-description {
    font-size: 0.9rem;
    color: #cccccc;
    line-height: 1.6;
    letter-spacing: 0.025em;
}

.skill-popup-loading {
    color: #666666;
    font-style: italic;
}

.category-count {
    font-size: 0.75rem;
    color: #666666;
    min-width: 30px;
    text-align: right;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.overall-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid #111111;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 2px;
    transition: background 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.25rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.stat-label {
    font-size: 0.7rem;
    color: #666666;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 400;
}

/* Mastery level specific colors for bars */
.level-fill.level-5 { background: #00ff88; }
.level-fill.level-4 { background: #66ff66; }
.level-fill.level-3 { background: #ffff66; }
.level-fill.level-2 { background: #ffaa66; }
.level-fill.level-1 { background: #ff6666; }

@media (max-width: 1000px) {
    .charts-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .overall-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-name {
        min-width: 80px;
    }
}


.skills-card {
    background: #000000;
    border: 1px solid #111111;
    margin-bottom: 1px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.skills-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.02), transparent);
    transition: width 0.6s ease;
}

.skills-card:hover {
    border-color: #222222;
    background: #0a0a0a;
}

.skills-card:hover::before {
    width: 100%;
}

.skills-card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #111111;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.skills-card-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
}

.skills-counter {
    font-size: 0.75rem;
    color: #666666;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.skills-grid {
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: start;
}

.skill-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #0a0a0a;
    position: relative;
    transition: all 0.3s ease;
}

.skill-item:last-child {
    border-bottom: none;
}

.skill-item:hover {
    transform: translateX(4px);
    background: rgba(255, 255, 255, 0.02);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

.skill-content {
    display: flex;
    align-items: center;
    flex: 1;
}

.skill-indicator {
    width: 4px;
    height: 4px;
    background: #444444;
    border-radius: 50%;
    margin-right: 1rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.skill-item:hover .skill-indicator {
    background: #888888;
    transform: scale(1.5);
}

.skill-name {
    font-size: 0.9rem;
    color: #e0e0e0;
    font-weight: 400;
    letter-spacing: 0.025em;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.skill-item:hover .skill-name {
    color: #ffffff;
}

.skill-mastery {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

.mastery-bar {
    display: flex;
    gap: 2px;
    align-items: center;
}

.mastery-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    transition: all 0.3s ease;
}

.mastery-dot.filled {
    background: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.3);
}

.mastery-dot.partial {
    background: #666666;
    border-color: #666666;
}

.mastery-level {
    font-size: 0.75rem;
    color: #666666;
    font-weight: 500;
    min-width: 45px;
    text-align: right;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.skill-item:hover .mastery-level {
    color: #888888;
}

/* Mastery level colors */
.skill-item[data-mastery="5"] .mastery-dot.filled {
    background: #00ff88;
    border-color: #00ff88;
    box-shadow: 0 0 6px rgba(0, 255, 136, 0.4);
}

.skill-item[data-mastery="4"] .mastery-dot.filled {
    background: #66ff66;
    border-color: #66ff66;
    box-shadow: 0 0 6px rgba(102, 255, 102, 0.4);
}

.skill-item[data-mastery="3"] .mastery-dot.filled {
    background: #ffff66;
    border-color: #ffff66;
    box-shadow: 0 0 6px rgba(255, 255, 102, 0.4);
}

.skill-item[data-mastery="2"] .mastery-dot.filled {
    background: #ffaa66;
    border-color: #ffaa66;
    box-shadow: 0 0 6px rgba(255, 170, 102, 0.4);
}

.skill-item[data-mastery="1"] .mastery-dot.filled {
    background: #ff6666;
    border-color: #ff6666;
    box-shadow: 0 0 6px rgba(255, 102, 102, 0.4);
}

.skills-card:nth-child(even) {
    background: #010101;
}

.skills-card:nth-child(odd) .skill-indicator {
    background: #2a2a2a;
}

/* Analytical data visualization elements */
.skill-metrics {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: #333333;
    font-weight: 300;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skills-card:hover .skill-metrics {
    opacity: 1;
}

/* Loading animation for initial render */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skills-card {
    animation: fadeInUp 0.6s ease forwards;
}

.skills-card:nth-child(1) { animation-delay: 0.1s; }
.skills-card:nth-child(2) { animation-delay: 0.2s; }
.skills-card:nth-child(3) { animation-delay: 0.3s; }
.skills-card:nth-child(4) { animation-delay: 0.4s; }
.skills-card:nth-child(5) { animation-delay: 0.5s; }

/* Responsive adjustments */
@media (max-width: 1000px) {
    .skills-grid {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }
    
    .skills-card-header {
        padding: 1.25rem 1.5rem;
    }
    
    .section-header {
        font-size: 1rem;
    }
}