/* Cycloid & Trochoid Visualization Styles */
/* All classes prefixed with 'cycloid-' for isolation */

.cycloid-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #1f2937;
}

.cycloid-container header {
    text-align: center;
    margin-bottom: 24px;
}

.cycloid-container h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 8px;
}

.cycloid-container .subtitle {
    font-size: 1.1rem;
    color: #6b7280;
}

/* Canvas styling */
.cycloid-container .canvas-wrapper {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.cycloid-container canvas {
    width: 100%;
    height: 400px;
    background: white;
    border-radius: 12px;
    display: block;
}

/* Info panel */
.cycloid-container .info-panel {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.cycloid-container .formula-display h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 12px;
}

.cycloid-container .curve-type {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 16px;
    padding: 8px 16px;
    background: #eff6ff;
    border-radius: 8px;
    display: inline-block;
}

.cycloid-container .equations {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.cycloid-container .eq {
    font-family: 'Times New Roman', serif;
    font-size: 1.5rem;
    font-style: italic;
    color: #4b5563;
    background: #f9fafb;
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

/* Controls styling */
.cycloid-container .controls {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.cycloid-container .control-group {
    margin-bottom: 20px;
}

.cycloid-container .control-group label {
    display: block;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.cycloid-container .control-group .ratio {
    color: #6b7280;
    font-weight: 400;
    margin-left: 8px;
}

.cycloid-container .control-group input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: #e5e7eb;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.cycloid-container .control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: #2563eb;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.1s;
}

.cycloid-container .control-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.cycloid-container .control-group input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: #2563eb;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Checkbox group */
.cycloid-container .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.cycloid-container .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400 !important;
}

.cycloid-container .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #2563eb;
}

/* Button group */
.cycloid-container .button-group {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.cycloid-container button {
    flex: 1;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: #2563eb;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.cycloid-container button:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.4);
}

.cycloid-container button:active {
    background: #1e40af;
    transform: translateY(0);
}

.cycloid-container button:nth-child(2) {
    background: #f59e0b;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
}

.cycloid-container button:nth-child(2):hover {
    background: #d97706;
    box-shadow: 0 4px 8px rgba(245, 158, 11, 0.4);
}

.cycloid-container button:nth-child(3) {
    background: #6b7280;
    box-shadow: 0 2px 4px rgba(107, 114, 128, 0.3);
}

.cycloid-container button:nth-child(3):hover {
    background: #4b5563;
    box-shadow: 0 4px 8px rgba(107, 114, 128, 0.4);
}

/* Explanation section */
.cycloid-container .explanation {
    background: white;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.cycloid-container .explanation h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 16px;
}

.cycloid-container .explanation h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-top: 24px;
    margin-bottom: 12px;
}

.cycloid-container .explanation p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 16px;
}

.cycloid-container .explanation ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cycloid-container .explanation li {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.cycloid-container .explanation li::before {
    content: '•';
    color: #2563eb;
    font-weight: bold;
    position: absolute;
    left: 8px;
}

.cycloid-container .explanation li strong {
    color: #111827;
}

/* Responsive design */
@media (max-width: 768px) {
    .cycloid-container {
        padding: 12px;
    }
    
    .cycloid-container h1 {
        font-size: 1.5rem;
    }
    
    .cycloid-container canvas {
        height: 300px;
    }
    
    .cycloid-container .equations {
        flex-direction: column;
        gap: 12px;
    }
    
    .cycloid-container .eq {
        font-size: 1.25rem;
        padding: 10px 16px;
    }
    
    .cycloid-container .controls {
        padding: 16px;
    }
    
    .cycloid-container .checkbox-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .cycloid-container .button-group {
        flex-direction: column;
    }
    
    .cycloid-container .explanation {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .cycloid-container .curve-type {
        font-size: 1rem;
    }
    
    .cycloid-container .eq {
        font-size: 1.1rem;
    }
}