/* Root variables with fallbacks */
:root {
  --ppe-pain-low-color: #2ecc71;
  --ppe-pain-moderate-color: #f1c40f;
  --ppe-pain-high-color: #e74c3c;
  --ppe-pain-bar-radius: 25px;
  --ppe-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Reset */
#ppe-container *, #ppe-container *::before, #ppe-container *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--ppe-font-family);
}

/* Container */
#ppe-container {
  max-width: 800px;
  margin: 30px auto;
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  color: #2c3e50;
}

/* Header */
.ppe-header {
  text-align: center;
  margin-bottom: 30px;
}
.ppe-header h1 {
  font-size: 1.8em;
  font-weight: 700;
  color: #34495e;
}
.ppe-header p {
  font-size: 1em;
  color: #7f8c8d;
  margin-top: 10px;
}

/* Hide language-specific content elements by default */
[data-lang]:not(.ppe-lang-btn) {
  display: none !important;
}

/* Show content elements of the active language */
[data-lang].lang-active:not(.ppe-lang-btn) {
  display: block !important;
}

/* Ensure inline elements (like labels) display correctly */
[data-lang].lang-active[for] {
  display: inline !important;
}

/* Sliders */
.ppe-sliders {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 30px;
}

/* Slider group */
.ppe-slider-group {
  width: 100%;
}

/* Labels */
.ppe-slider-group label {
  display: inline;
  font-weight: 600;
  font-size: 1.2em;
  color: #34495e;
}

/* Percentage display */
.ppe-slider-percentage {
  display: inline-block;
  color: #7f8c8d;
  font-weight: 500;
  margin-left: 10px;
  font-size: 1em;
}

/* Slider input */
.ppe-slider-group input[type="range"] {
  width: 100%;
  height: 12px;
  -webkit-appearance: none;
  background: #ecf0f1;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
  transition: background 0.3s ease;
  display: block;
  margin: 10px 0;
}

/* Track */
.ppe-slider-group input[type="range"]::-webkit-slider-runnable-track {
  height: 12px;
  border-radius: 6px;
  background: #ecf0f1;
}
.ppe-slider-group input[type="range"]:focus::-webkit-slider-runnable-track {
  background: #d5dbdc;
}

/* Thumb */
.ppe-slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  background: #3498db;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 6px rgba(52, 152, 219, 0.5);
  cursor: pointer;
  margin-top: -5px;
  transition: background 0.3s ease, transform 0.2s ease;
}
.ppe-slider-group input[type="range"]:hover::-webkit-slider-thumb,
.ppe-slider-group input[type="range"]:focus::-webkit-slider-thumb {
  background: #2980b9;
  transform: scale(1.1);
}

/* Firefox Thumb */
.ppe-slider-group input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: #3498db;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 6px rgba(52, 152, 219, 0.5);
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}
.ppe-slider-group input[type="range"]:hover::-moz-range-thumb,
.ppe-slider-group input[type="range"]:focus::-moz-range-thumb {
  background: #2980b9;
  transform: scale(1.1);
}

/* Advice below slider */
.ppe-advice {
  font-size: 0.95em;
  color: #7f8c8d;
  margin-top: 8px;
  line-height: 1.4;
}

/* Pain meter */
.ppe-pain-meter {
  width: 100%;
  height: 50px;
  background: #ecf0f1;
  border-radius: var(--ppe-pain-bar-radius);
  overflow: hidden;
  border: 1px solid #bdc3c7;
  margin-bottom: 50px;
  position: relative;
}

/* Pain meter bar */
.ppe-pain-meter-bar {
  height: 100%;
  width: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 600;
  font-size: 1.2em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  border-radius: var(--ppe-pain-bar-radius) 0 0 var(--ppe-pain-bar-radius);
  transition: width 0.4s ease, background-color 0.4s ease;
}

/* Dynamic pain meter bar colors */
.ppe-pain-meter-bar[style*="width: 0%"],
.ppe-pain-meter-bar[style*="width: 1%"],
.ppe-pain-meter-bar[style*="width: 2%"],
.ppe-pain-meter-bar[style*="width: 3%"],
.ppe-pain-meter-bar[style*="width: 4%"],
.ppe-pain-meter-bar[style*="width: 5%"],
.ppe-pain-meter-bar[style*="width: 6%"],
.ppe-pain-meter-bar[style*="width: 7%"],
.ppe-pain-meter-bar[style*="width: 8%"],
.ppe-pain-meter-bar[style*="width: 9%"],
.ppe-pain-meter-bar[style*="width: 10%"],
.ppe-pain-meter-bar[style*="width: 11%"],
.ppe-pain-meter-bar[style*="width: 12%"],
.ppe-pain-meter-bar[style*="width: 13%"],
.ppe-pain-meter-bar[style*="width: 14%"],
.ppe-pain-meter-bar[style*="width: 15%"],
.ppe-pain-meter-bar[style*="width: 16%"],
.ppe-pain-meter-bar[style*="width: 17%"],
.ppe-pain-meter-bar[style*="width: 18%"],
.ppe-pain-meter-bar[style*="width: 19%"],
.ppe-pain-meter-bar[style*="width: 20%"],
.ppe-pain-meter-bar[style*="width: 21%"],
.ppe-pain-meter-bar[style*="width: 22%"],
.ppe-pain-meter-bar[style*="width: 23%"],
.ppe-pain-meter-bar[style*="width: 24%"],
.ppe-pain-meter-bar[style*="width: 25%"],
.ppe-pain-meter-bar[style*="width: 26%"],
.ppe-pain-meter-bar[style*="width: 27%"],
.ppe-pain-meter-bar[style*="width: 28%"],
.ppe-pain-meter-bar[style*="width: 29%"],
.ppe-pain-meter-bar[style*="width: 30%"],
.ppe-pain-meter-bar[style*="width: 31%"],
.ppe-pain-meter-bar[style*="width: 32%"],
.ppe-pain-meter-bar[style*="width: 33%"] {
  background-color: var(--ppe-pain-low-color);
}
.ppe-pain-meter-bar[style*="width: 34%"],
.ppe-pain-meter-bar[style*="width: 35%"],
.ppe-pain-meter-bar[style*="width: 36%"],
.ppe-pain-meter-bar[style*="width: 37%"],
.ppe-pain-meter-bar[style*="width: 38%"],
.ppe-pain-meter-bar[style*="width: 39%"],
.ppe-pain-meter-bar[style*="width: 40%"],
.ppe-pain-meter-bar[style*="width: 41%"],
.ppe-pain-meter-bar[style*="width: 42%"],
.ppe-pain-meter-bar[style*="width: 43%"],
.ppe-pain-meter-bar[style*="width: 44%"],
.ppe-pain-meter-bar[style*="width: 45%"],
.ppe-pain-meter-bar[style*="width: 46%"],
.ppe-pain-meter-bar[style*="width: 47%"],
.ppe-pain-meter-bar[style*="width: 48%"],
.ppe-pain-meter-bar[style*="width: 49%"],
.ppe-pain-meter-bar[style*="width: 50%"],
.ppe-pain-meter-bar[style*="width: 51%"],
.ppe-pain-meter-bar[style*="width: 52%"],
.ppe-pain-meter-bar[style*="width: 53%"],
.ppe-pain-meter-bar[style*="width: 54%"],
.ppe-pain-meter-bar[style*="width: 55%"],
.ppe-pain-meter-bar[style*="width: 56%"],
.ppe-pain-meter-bar[style*="width: 57%"],
.ppe-pain-meter-bar[style*="width: 58%"],
.ppe-pain-meter-bar[style*="width: 59%"],
.ppe-pain-meter-bar[style*="width: 60%"],
.ppe-pain-meter-bar[style*="width: 61%"],
.ppe-pain-meter-bar[style*="width: 62%"],
.ppe-pain-meter-bar[style*="width: 63%"],
.ppe-pain-meter-bar[style*="width: 64%"],
.ppe-pain-meter-bar[style*="width: 65%"],
.ppe-pain-meter-bar[style*="width: 66%"] {
  background-color: var(--ppe-pain-moderate-color);
}
.ppe-pain-meter-bar[style*="width: 67%"],
.ppe-pain-meter-bar[style*="width: 68%"],
.ppe-pain-meter-bar[style*="width: 69%"],
.ppe-pain-meter-bar[style*="width: 70%"],
.ppe-pain-meter-bar[style*="width: 71%"],
.ppe-pain-meter-bar[style*="width: 72%"],
.ppe-pain-meter-bar[style*="width: 73%"],
.ppe-pain-meter-bar[style*="width: 74%"],
.ppe-pain-meter-bar[style*="width: 75%"],
.ppe-pain-meter-bar[style*="width: 76%"],
.ppe-pain-meter-bar[style*="width: 77%"],
.ppe-pain-meter-bar[style*="width: 78%"],
.ppe-pain-meter-bar[style*="width: 79%"],
.ppe-pain-meter-bar[style*="width: 80%"],
.ppe-pain-meter-bar[style*="width: 81%"],
.ppe-pain-meter-bar[style*="width: 82%"],
.ppe-pain-meter-bar[style*="width: 83%"],
.ppe-pain-meter-bar[style*="width: 84%"],
.ppe-pain-meter-bar[style*="width: 85%"],
.ppe-pain-meter-bar[style*="width: 86%"],
.ppe-pain-meter-bar[style*="width: 87%"],
.ppe-pain-meter-bar[style*="width: 88%"],
.ppe-pain-meter-bar[style*="width: 89%"],
.ppe-pain-meter-bar[style*="width: 90%"],
.ppe-pain-meter-bar[style*="width: 91%"],
.ppe-pain-meter-bar[style*="width: 92%"],
.ppe-pain-meter-bar[style*="width: 93%"],
.ppe-pain-meter-bar[style*="width: 94%"],
.ppe-pain-meter-bar[style*="width: 95%"],
.ppe-pain-meter-bar[style*="width: 96%"],
.ppe-pain-meter-bar[style*="width: 97%"],
.ppe-pain-meter-bar[style*="width: 98%"],
.ppe-pain-meter-bar[style*="width: 99%"],
.ppe-pain-meter-bar[style*="width: 100%"] {
  background-color: var(--ppe-pain-high-color);
}

/* Summary */
.ppe-summary {
  background: #f5f7fa;
  padding: 20px;
  border-radius: 10px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
  color: #34495e;
  font-size: 1em;
  line-height: 1.6;
  margin-bottom: 30px;
}
.ppe-summary h2 {
  font-size: 1.4em;
  margin-bottom: 10px;
}

/* Language switcher */
.ppe-language-switch {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* Language buttons */
.ppe-lang-btn {
  background: #3498db;
  color: #ffffff;
  border: none;
  border-radius: 20px;
  padding: 12px 24px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1em;
  box-shadow: 0 3px 8px rgba(52, 152, 219, 0.4);
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  display: inline-block !important;
}
.ppe-lang-btn:hover,
.ppe-lang-btn.active {
  background: #2980b9;
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(41, 128, 185, 0.6);
}
.ppe-lang-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

/* Responsive */
@media (max-width: 600px) {
  #ppe-container {
    padding: 20px;
    margin: 15px;
  }
  .ppe-header h1 {
    font-size: 1.5em;
  }
  .ppe-slider-group label {
    font-size: 1.1em;
  }
  .ppe-pain-meter {
    height: 40px;
    margin-bottom: 40px;
  }
  .ppe-pain-meter-bar {
    font-size: 1em;
  }
  .ppe-lang-btn {
    padding: 10px 18px;
    font-size: 0.9em;
  }
}