.elasticity-calculator-container {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background-color: #f9f9f9;
    --card-color: #ffffff;
    --text-color: #333333;
    --border-color: #333333;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --input-background: #f9f9f9;
    --input-border: #333333;
    --input-focus-outline: #3498db;
}

.elasticity-calculator-container.colorblind-mode {
    --primary-color: #000000;
    --secondary-color: #0072B2;
    --accent-color: #D55E00;
    --success-color: #009E73;
    --warning-color: #F0E442;
    --danger-color: #CC79A7;
    --input-background: #f9f9f9;
    --input-border: #000000;
    --input-focus-outline: #0072B2;
}

.elasticity-calculator-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.elasticity-calculator-container {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.elasticity-calculator-container .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .elasticity-calculator-container .container {
        grid-template-columns: 1fr;
    }
}

.elasticity-calculator-container .card {
    background-color: var(--card-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.elasticity-calculator-container .calculator-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.elasticity-calculator-container .input-group {
    margin-bottom: 15px;
}

.elasticity-calculator-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.elasticity-calculator-container input, 
.elasticity-calculator-container select {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--input-border);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--input-background);
    transition: all 0.3s ease;
}

.elasticity-calculator-container input:focus,
.elasticity-calculator-container select:focus {
    outline: 2px solid var(--input-focus-outline);
    outline-offset: 2px;
    border-color: var(--input-border);
    background-color: #ffffff;
}

.elasticity-calculator-container button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.elasticity-calculator-container button:hover {
    background-color: var(--primary-color);
}

.elasticity-calculator-container .btn-success {
    background-color: var(--success-color);
}

.elasticity-calculator-container .btn-success:hover {
    background-color: #219653;
}

.elasticity-calculator-container .btn-danger {
    background-color: var(--danger-color);
}

.elasticity-calculator-container .btn-danger:hover {
    background-color: #c0392b;
}

.elasticity-calculator-container .controls {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.elasticity-calculator-container .tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.elasticity-calculator-container .tab {
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.elasticity-calculator-container .tab.active {
    border-bottom: 3px solid var(--secondary-color);
    font-weight: 600;
}

.elasticity-calculator-container .tab-content {
    display: none;
}

.elasticity-calculator-container .tab-content.active {
    display: block;
}

.elasticity-calculator-container .results-section {
    margin-top: 30px;
}

.elasticity-calculator-container .result-card {
    background-color: var(--card-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.elasticity-calculator-container .result-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 10px 0;
    color: var(--primary-color);
}

.elasticity-calculator-container .classification {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: 600;
    margin: 10px 0;
}

.elasticity-calculator-container .elastic {
    background-color: var(--success-color);
    color: white;
}

.elasticity-calculator-container .inelastic {
    background-color: var(--warning-color);
    color: black;
}

.elasticity-calculator-container .luxury {
    background-color: var(--secondary-color);
    color: white;
}

.elasticity-calculator-container .normal {
    background-color: var(--success-color);
    color: white;
}

.elasticity-calculator-container .inferior {
    background-color: var(--danger-color);
    color: white;
}

.elasticity-calculator-container .substitute {
    background-color: var(--secondary-color);
    color: white;
}

.elasticity-calculator-container .complement {
    background-color: var(--danger-color);
    color: white;
}

.elasticity-calculator-container .unrelated {
    background-color: #95a5a6;
    color: white;
}

.elasticity-calculator-container .step-calculation {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
    font-family: monospace;
}

.elasticity-calculator-container .visualization {
    margin: 20px 0;
    height: 300px;
    position: relative;
}

.elasticity-calculator-container canvas {
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.elasticity-calculator-container .recommendations {
    margin-top: 20px;
}

.elasticity-calculator-container .recommendation-item {
    padding: 10px;
    margin: 5px 0;
    border-left: 4px solid var(--secondary-color);
    background-color: #f8f9fa;
}

.elasticity-calculator-container .trademark {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 0.8rem;
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px 10px;
    border-radius: 4px;
}

.elasticity-calculator-container .toggle-container {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.elasticity-calculator-container .toggle-label {
    margin-left: 10px;
}

.elasticity-calculator-container .switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.elasticity-calculator-container .switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.elasticity-calculator-container .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
    border: 2px solid #333;
}

.elasticity-calculator-container .slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.elasticity-calculator-container input:checked + .slider {
    background-color: var(--secondary-color);
    border-color: var(--input-border);
}

.elasticity-calculator-container input:checked + .slider:before {
    transform: translateX(26px);
}

.elasticity-calculator-container .file-upload {
    margin: 15px 0;
}

.elasticity-calculator-container .file-upload-label {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid var(--input-border);
}

.elasticity-calculator-container .file-upload-input {
    display: none;
}

.elasticity-calculator-container .export-controls {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Ensure high contrast for colorblind accessibility */
.elasticity-calculator-container input::placeholder {
    color: #666666;
    opacity: 1;
}

.elasticity-calculator-container input:disabled {
    background-color: #e9ecef;
    border-color: #6c757d;
    opacity: 1;
}

/* Additional focus indicators for better accessibility */
.elasticity-calculator-container button:focus {
    outline: 2px solid var(--input-focus-outline);
    outline-offset: 2px;
}

.elasticity-calculator-container .file-upload-label:focus {
    outline: 2px solid var(--input-focus-outline);
    outline-offset: 2px;
}

.elasticity-calculator-container .tab:focus {
    outline: 2px solid var(--input-focus-outline);
    outline-offset: 2px;
}