/* Base styles */
.painting-calculator-wrapper {
    max-width: 100%;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calculator-info {
    margin: 0;
    font-style: italic;
    color: #666;
    font-size: 0.9em;
}

.slider-container {
    width: 100%;
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Slider track wrapper - contains slider + progress bar */
.slider-track-wrapper {
    position: relative;
    width: 100%;
    height: 15px;
    background: #d3d3d3;
    border-radius: 10px;
}

/* Range slider */
#size {
    width: 100%;
    -webkit-appearance: none;
    height: 15px;
    background: transparent;
    outline: none;
    position: relative;
    z-index: 1;
}

#size:focus {
    outline: none;
}

/* Webkit track - transparent to show progress bar */
#size::-webkit-slider-runnable-track {
    width: 100%;
    height: 15px;
    background: transparent;
    border-radius: 10px;
    border: none;
}

/* Firefox track - transparent to show progress bar */
#size::-moz-range-track {
    width: 100%;
    height: 15px;
    background: transparent;
    border-radius: 10px;
    border: none;
}

/* Webkit (Chrome, Safari) thumb */
#size::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #e21a24;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: -9px;
    position: relative;
    z-index: 3;
}

#size::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 3px 6px rgba(0,0,0,0.3);
}

#size::-webkit-slider-thumb:active {
    transform: scale(1.05);
}

/* Firefox thumb */
#size::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #e21a24;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    z-index: 3;
}

#size::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 3px 6px rgba(0,0,0,0.3);
}

#size::-moz-range-thumb:active {
    transform: scale(1.05);
}

/* Progress bar */
.slider-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 15px;
    background: #e21a24;
    border-radius: 10px;
    pointer-events: none;
    z-index: 2;
    transition: width 0.1s ease-out;
}

/* Value display */
.size-value-container {
    min-width: 80px;
    min-height: 40px;
    line-height: 40px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2em;
}

/* Screen reader only text */
.screen-reader-text {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Result */
#result {
    margin-top: 10px;
    font-size: 1.25em;
    font-weight: bold;
    color: #333;
    padding: 0.75rem;
    background: #f5f5f5;
    border-radius: 5px;
    text-align: center;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator-disclaimer {
    margin: 0;
    font-style: italic;
    color: #666;
    font-size: 0.85em;
}

/* Responsive */
@media (max-width: 600px) {
    .painting-calculator-wrapper {
        font-size: 0.95em;
    }

    #result {
        font-size: 1.1em;
    }

    .size-value-container {
        font-size: 1.1em;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    #size {
        border: 2px solid #000;
    }

    #result {
        border: 2px solid #333;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    #size,
    #size::-webkit-slider-thumb,
    #size::-moz-range-thumb,
    .slider-progress {
        transition: none;
    }
}

/* Legacy support for old IDs (backward compatibility) */
#exterior-painting-calculator,
#roof-painting-calculator,
#plaster-calculator,
#painting-calculator {
    max-width: 100%;
    margin: 0 auto;
}

#exterior-painting-calculator .slider-container,
#roof-painting-calculator .slider-container,
#plaster-calculator .slider-container,
#painting-calculator .slider-container {
    position: relative;
    width: 100%;
}