.classification {
    background-color: var(--bg-tertiary);
    border-left: 4px solid var(--accent-color);
}

.classification strong {
    color: var(--accent-color);
    font-weight: bold;
}

.definition {
    padding: 15px;
}

.definition strong {
    color: var(--accent-color);
    font-weight: bold;
}

.canvas-container {
    background-color: var(--bg-secondary);
    border: 2px solid var(--accent-color);
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
    text-align: center;
}

.canvas-header {
    margin-bottom: 15px;
}

.canvas-header h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.canvas-header p {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.reset-btn {
    background-color: var(--bg-secondary);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 25px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.reset-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-primary);
}

.canvas-wrapper {
    position: relative;
    display: inline-block;
    margin: 20px 0;
    vertical-align: middle;
}

#drawingCanvas {
    background-color: var(--bg-primary);
    cursor: crosshair;
    max-width: 100%;
    height: auto;
    display: block;
}

.canvas-labels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.y-label {
    position: absolute;
    left: -25px;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 14px;
    transform: translateY(-50%);
    top: 0;
}

.x-label {
    position: absolute;
    bottom: -25px;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 14px;
}

.x-label-0 {
    left: 0;
    transform: translateX(-200%);
}

.x-label-1 {
    right: 0;
}

#curvesCanvas {
    border: 2px solid #666;
    border-radius: 5px;
    background-color: #1a1a1a;
    max-width: 100%;
    height: auto;
    display: inline-block;
}

label {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: bold;
}

input[type="range"] {
    width: 300px;
    max-width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--bg-tertiary);
    outline: none;
    transform: rotate(270deg);
    top: 50%;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    transform: rotate(270deg);
    top: 50%;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    transform: rotate(270deg);
    top: 50%;
}

.canvas-instructions {
    margin-top: 15px;
    color: var(--text-example);
    font-size: 0.9em;
}