.chart-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.controls-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    height: fit-content;
}

.stats-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.control-group {
    margin-bottom: 2rem;
}

.control-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: #b0b0b0;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.slider-container {
    position: relative;
    margin-bottom: 1rem;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.6);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
    transition: all 0.2s ease;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.6);
}

.value-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.current-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 1rem;
    color: #667eea;
}

.range-info {
    font-size: 0.75rem;
    color: #888888;
}

.toggle-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

.toggle-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.toggle-button.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: transparent;
}

.complexity-legend {
    margin: 1.5rem 0;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.legend-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    margin-right: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.legend-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 500;
}

.performance-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.performance-table th {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 600;
    font-size: 0.85rem;
}

.performance-table td {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.75rem;
}

.performance-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.good { color: #4ade80; }
.ok { color: #fbbf24; }
.bad { color: #f87171; }
.terrible { color: #a78bfa; }

.current-calculation {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.calc-title {
    font-size: 1rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 1rem;
}

.calc-results {
    display: grid;
    gap: 0.5rem;
}

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.calc-complexity {
    color: #b0b0b0;
}

.calc-value {
    font-weight: 600;
}