/* Least Squares Regression Tutorial Styles */

#content_sim {
    max-width: 800px;
    margin: 0 auto;
    font-family: 'Courier New', monospace;
}

.lsr-container {
    background-color: #000;
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
}

.control-panel {
    background-color: #1a1a1a;
    border-radius: 6px;
    padding: 10px 15px;
    margin-bottom: 15px;
}

.control-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 8px 0;
}

.control-row label {
    color: #00ffff;
    font-size: 12px;
    min-width: 60px;
}

.control-row button {
    background-color: #333;
    color: #00ff00;
    border: 1px solid #00ff00;
    padding: 6px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    transition: all 0.2s;
}

.control-row button:hover {
    background-color: #00ff00;
    color: #000;
}

.control-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Dark themed dropdown */
.dark-select {
    background-color: #222;
    color: #00ffff;
    border: 1px solid #444;
    padding: 6px 10px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    cursor: pointer;
    outline: none;
}

.dark-select:hover {
    border-color: #00ffff;
}

.dark-select:focus {
    border-color: #00ffff;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

.dark-select option {
    background-color: #222;
    color: #fff;
    padding: 5px;
}

.stats-display {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 10px;
    padding: 10px;
    background-color: #0a0a0a;
    border-radius: 4px;
}

.stat-item {
    color: #fff;
    font-size: 12px;
}

.stat-item .stat-label {
    color: #888;
}

.stat-item .stat-value {
    color: #ffff00;
    font-weight: bold;
}

.canvas-container {
    background-color: #1a1a1a;
    border-radius: 6px;
    padding: 10px;
    display: flex;
    justify-content: center;
}

.canvas-container canvas {
    border-radius: 4px;
}

.error-canvas-container {
    background-color: #1a1a1a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
    display: flex;
    justify-content: center;
}

.error-canvas-container canvas {
    border-radius: 4px;
}

.instructions {
    color: #888;
    font-size: 11px;
    text-align: center;
    margin-top: 10px;
    padding: 8px;
    background-color: #0a0a0a;
    border-radius: 4px;
}

.instructions span {
    color: #00ffff;
}

/* Preset buttons */
.preset-btn {
    background-color: #222 !important;
    color: #ff9900 !important;
    border: 1px solid #ff9900 !important;
    font-size: 11px !important;
    padding: 4px 10px !important;
}

.preset-btn:hover {
    background-color: #ff9900 !important;
    color: #000 !important;
}

/* Section label */
.section-label {
    color: #00ffff;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
    border-bottom: 1px solid #333;
    padding-bottom: 5px;
}