/* =====================================================
   LidarAlign.com - Calculator Stylesheet
   Alignment Error Impact Calculator & Interactive Elements
   ===================================================== */

/* Calculator Widget Container */
.calculator-widget {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 168, 255, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.calculator-widget::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 204, 0.1) 0%, transparent 70%);
    animation: rotate-slow 30s linear infinite;
    pointer-events: none;
}

@keyframes rotate-slow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Calculator Inputs Section */
.calc-inputs {
    position: relative;
    z-index: 1;
}

.input-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.input-group label {
    display: block;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Range Input Styling */
.input-group input[type="range"] {
    width: 100%;
    height: 8px;
    background: linear-gradient(to right, 
        var(--primary-color) 0%, 
        var(--primary-color) var(--value, 50%), 
        var(--border-color) var(--value, 50%), 
        var(--border-color) 100%);
    border-radius: var(--radius-md);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: background var(--transition-base);
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: radial-gradient(circle, var(--accent-color), var(--primary-color));
    border: 2px solid var(--bg-card);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 168, 255, 0.3);
    transition: all var(--transition-base);
}

.input-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(0, 168, 255, 0.5);
}

.input-group input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: radial-gradient(circle, var(--accent-color), var(--primary-color));
    border: 2px solid var(--bg-card);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 168, 255, 0.3);
    transition: all var(--transition-base);
}

.input-group input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(0, 168, 255, 0.5);
}

/* Input Value Display */
.input-value {
    position: absolute;
    right: 0;
    top: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    min-width: 60px;
    text-align: center;
}

/* Select Input Styling */
.input-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300a8ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: calc(var(--spacing-md) + 24px);
}

.input-group select:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 168, 255, 0.05);
}

.input-group select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.1);
}

/* Calculator Results Section */
.calc-results {
    position: relative;
    z-index: 1;
}

.calc-results h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.calc-results h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--accent-color), var(--primary-color));
    border-radius: var(--radius-sm);
}

/* Result Grid */
.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-item {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(0, 168, 255, 0.02) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.result-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.result-item:hover::before {
    transform: scaleX(1);
}

.result-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.result-value {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

/* Safety Grade Specific Styling */
#safety-grade {
    position: relative;
}

#safety-grade.green {
    color: #10b981;
}

#safety-grade.yellow {
    color: #f59e0b;
}

#safety-grade.red {
    color: #ef4444;
}

/* Result Recommendation Box */
.result-recommendation {
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1) 0%, rgba(0, 255, 204, 0.05) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.result-recommendation p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.result-recommendation strong {
    color: var(--text-primary);
}

#recommendation {
    color: var(--text-primary);
}

/* Before/After Slider Demo */
.before-after-demo {
    margin-top: var(--spacing-2xl);
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
}

.before-after-demo h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.slider-container {
    position: relative;
    height: 400px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: col-resize;
}

/* Before/After Images with Visualization */
.before-image,
.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.before-image {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.after-image {
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1) 0%, rgba(0, 255, 204, 0.05) 100%);
}

/* Misalignment Visualization */
.before-image::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px dashed #ef4444;
    border-radius: var(--radius-md);
    transform: rotate(5deg) translateX(-20px);
    animation: misalign 4s ease-in-out infinite;
}

@keyframes misalign {
    0%, 100% { transform: rotate(5deg) translateX(-20px); }
    50% { transform: rotate(-3deg) translateX(10px); }
}

/* Alignment Visualization */
.after-image::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-md);
    animation: align-pulse 2s ease-in-out infinite;
}

@keyframes align-pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* Labels */
.before-image .label,
.after-image .label {
    position: absolute;
    top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(26, 35, 50, 0.9);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.before-image .label {
    left: var(--spacing-lg);
    color: #ef4444;
    border: 1px solid #ef4444;
}

.after-image .label {
    right: var(--spacing-lg);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

/* Slider Handle */
.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: white;
    cursor: col-resize;
    transform: translateX(-50%);
    z-index: 10;
    transition: width var(--transition-base);
}

.slider-handle:hover {
    width: 6px;
}

.slider-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.slider-handle::after {
    content: '◀ ▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

/* Pattern Generator Styles */
.pattern-generator {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-color);
}

.generator-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    align-items: flex-end;
}

.control-group {
    flex: 1;
}

.control-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.control-group select:hover {
    border-color: var(--primary-color);
}

.control-group select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.1);
}

/* Generate Button */
.btn-generate {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-generate::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn-generate:hover::before {
    width: 100%;
    height: 100%;
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 168, 255, 0.3);
}

/* Pattern Display */
.pattern-display {
    text-align: center;
}

#pattern-canvas {
    width: 100%;
    height: 400px;
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Pattern Canvas SVG Container */
#pattern-canvas svg {
    max-width: 100%;
    max-height: 100%;
}

/* Download Button */
.btn-download {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 204, 0.3);
}

.btn-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Loading State for Pattern Generation */
.pattern-loading {
    position: relative;
}

.pattern-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Calculator Animation States */
.calculating {
    position: relative;
    pointer-events: none;
}

.calculating::after {
    content: 'Calculating...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    z-index: 100;
}

/* Tooltip for Calculator Inputs */
.input-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.input-group:hover .input-tooltip {
    opacity: 1;
}

/* Error States */
.input-error {
    border-color: #ef4444 !important;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.error-message {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* Success Animation */
.success-flash {
    animation: success-pulse 0.5s ease-out;
}

@keyframes success-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.7);
    }
    100% {
        box-shadow: 0 0 0 20px rgba(0, 255, 204, 0);
    }
}

/* Responsive Adjustments */
@media screen and (max-width: 768px) {
    .calculator-widget {
        padding: var(--spacing-lg);
    }
    
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .generator-controls {
        flex-direction: column;
    }
    
    .control-group {
        width: 100%;
    }
    
    .btn-generate {
        width: 100%;
    }
    
    #pattern-canvas {
        height: 300px;
    }
    
    .slider-container {
        height: 300px;
    }
}

@media screen and (max-width: 480px) {
    .result-value {
        font-size: 1.5rem;
    }
    
    .input-value {
        position: static;
        display: block;
        margin-top: var(--spacing-xs);
        text-align: left;
        background: none;
        color: var(--primary-color);
        padding: 0;
    }
    
    #pattern-canvas {
        height: 250px;
    }
}