/* Demo-specific styles for bias-variance demo */

.plot-container {
    margin-bottom: 20px;
}

.controls {
    height: 470px;
}

#errorChart {
    margin-top: 20px;
}

.value-display {
    font-size: 18px;
    font-weight: bold;
    color: #2563eb;
}

/* Gradient slider for bias-variance */
#degree-slider::-webkit-slider-track {
    background: linear-gradient(to right, #2563eb 0%, #059669 50%, #dc2626 100%);
    height: 6px;
    border-radius: 3px;
}

#degree-slider::-moz-range-track {
    background: linear-gradient(to right, #2563eb 0%, #059669 50%, #dc2626 100%);
    height: 6px;
    border-radius: 3px;
}

#degree-slider::-webkit-slider-thumb {
    background: linear-gradient(135deg, #2563eb 0%, #dc2626 100%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
}

#degree-slider::-moz-range-thumb {
    background: linear-gradient(135deg, #2563eb 0%, #dc2626 100%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Button styling */
#show-bootstrap-btn {
    background-color: #7c3aed;
    color: white;
}

#show-bootstrap-btn:hover {
    background-color: #6d28d9;
}

#toggle-test-btn {
    background-color: #f59e0b;
    color: white;
}

#toggle-test-btn:hover {
    background-color: #d97706;
}

/* Equation display */
#equation {
    font-size: 16px;
    text-align: center;
    margin: 15px 0;
    max-width: 100%;
    padding: 10px 5px;
    height: 100px;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Smaller font for multi-line equations */
#equation.small-eq {
    font-size: 13px;
}

/* MSE boxes - colors are set via MetricBoxDisplay in script.js */

/* Chart containers */
canvas {
    max-width: 100%;
}

#scatterPlot {
    height: 520px !important;
}

#errorChart {
    height: auto;
}

/* Feature grid for toggle boxes */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.feature-box {
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    border: 2px solid transparent;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.4;
    filter: grayscale(50%);
}

.feature-icon {
    font-size: 28px;
    line-height: 1;
}

.feature-label {
    font-size: 12px;
    font-weight: 600;
}

.feature-box:hover {
    transform: translateY(-2px);
    opacity: 0.6;
}

/* Squared Errors toggle - Red */
.feature-squared-errors {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
}

.feature-squared-errors.active {
    opacity: 1;
    filter: grayscale(0%);
    border-color: #dc2626;
}

.feature-squared-errors.active:hover {
    background: linear-gradient(135deg, #b91c1c, #991b1b);
}

/* Test Data toggle - Orange */
.feature-test-data {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.feature-test-data.active {
    opacity: 1;
    filter: grayscale(0%);
    border-color: #f59e0b;
}

.feature-test-data.active:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
}