/* (c) Innings2, generated by Mathigon Studio */
x-quiz {
  display: block;
}
x-quiz .quizcard {
  width: 100%;
}
x-quiz .question {
  display: none;
  font-size: 1.2em;
}
x-quiz .question .correct_answer {
  display: none;
}
x-quiz .question .answers {
  margin-top: 40px;
  list-style: none;
}
x-quiz .question .answers li {
  padding: 0;
  margin: 0px;
  border: 1px solid rgba(33, 36, 44, 0.64);
  border-right: 0px;
  border-left: 0px;
  padding: 5px;
}
x-quiz .question .answers li:hover {
  background-color: #e5e5e5;
}
x-quiz .question .answers li.active {
  background-color: #e5e5e5;
}
x-quiz .question .hint {
  margin-top: 20px;
  font-size: 0.9em;
  color: #555;
}
x-quiz .nav {
  height: 40px;
  position: relative;
}
x-quiz .dots {
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
}
x-quiz .dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(24, 24, 36, 0.2);
  float: left;
  margin: 4px;
  transition: background 0.2s;
}
html[theme=dark] x-quiz .dot {
  background: rgba(255, 255, 255, 0.4);
}
x-quiz .dot.on {
  background: rgba(0, 0, 0, 0.8);
}
html[theme=dark] x-quiz .dot.on {
  background: white;
}

x-buckets {
  display: block;
  margin: 1.5em 0;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  color: #333;
  width: 100%;
}
x-buckets .inputs, x-buckets .bucket {
  position: relative;
}
x-buckets .inputs > *, x-buckets .bucket > * {
  position: absolute;
}
x-buckets .inputs {
  z-index: 1;
  width: 100%;
  min-height: 50px;
}
x-buckets .buckets {
  display: flex;
  margin: 0 -8px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}
x-buckets .input {
  cursor: move;
  background: rgba(255, 255, 255, 0.6);
  box-sizing: border-box;
  padding: 5px 12px;
  margin: 6px 0;
  border-radius: 4px;
  width: 180px;
  font-size: 16px;
  line-height: 1.35;
  text-align: center;
  transition: left 0.2s, top 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
x-buckets .input.touch-device {
  /* Increase tap target size on touch devices */
  padding: 8px 12px;
}
x-buckets .inputs .input {
  background: #c5c2cc;
}
x-buckets .input.error {
  background: #e9b0cb;
  color: #cd0e66;
}
x-buckets .input.correct {
  background: #b6dfb7;
  color: #22ab24;
}
x-buckets .input.active {
  z-index: 10; /* Ensure active items appear on top */
  background: white;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.45);
  color: inherit;
}
x-buckets .bucket {
  width: 200px;
  border-radius: 8px;
  margin: 6px;
  position: relative;
  padding-bottom: 6px;
  background: #3a3645;
  transition: box-shadow 0.2s;
}
x-buckets .bucket .title {
  text-align: center;
  font-weight: 600;
  margin-top: 8px;
  color: white;
}
x-buckets .bucket.active {
  box-shadow: inset 0 0 0 5px rgba(0, 0, 0, 0.4);
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
  x-buckets .bucket {
    width: 180px; /* Slightly smaller buckets on tablets */
    margin: 4px;
  }
  x-buckets .input {
    width: 160px; /* Slightly smaller input items */
    font-size: 15px;
  }
}
@media (max-width: 480px) {
  x-buckets .buckets {
    margin: 0 -4px;
  }
  x-buckets .bucket {
    width: calc(50% - 8px); /* Half width minus margins on mobile */
    min-width: 140px; /* Ensure minimum readable width */
    margin: 4px;
  }
  x-buckets .bucket .title {
    font-size: 14px;
    margin-top: 6px;
  }
  x-buckets .input {
    width: 140px; /* Smaller input items on mobile */
    font-size: 14px;
    padding: 6px 8px;
    margin: 4px 0;
  }
  x-buckets .input.active {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45); /* Smaller shadow on mobile */
  }
}
/* Extra small devices */
@media (max-width: 360px) {
  x-buckets .bucket {
    width: 100%; /* Full width on very small devices */
    max-width: 260px;
    margin: 4px auto;
  }
  x-buckets .input {
    width: 130px;
    font-size: 13px;
  }
}
.c-system {
  position: sticky;
  top: calc(50vh - 220px);
}

.chart-point {
  width: 24px;
  height: 24px;
  border-radius: 12px;
  background: #cd0e66;
  position: absolute;
  margin: -12px;
  transition: transform 0.2s, background 0.2s;
  cursor: pointer;
  pointer-events: none;
  transform: scale(0);
}
.chart-point.visible {
  transform: scale(0.5);
}
.chart-point.fixed {
  transform: none;
  pointer-events: all;
}
.chart-point:hover, .chart-point:active {
  background: #f01e7f;
  transform: scale(1.4);
}

.chart-label {
  font-size: 18px;
  font-weight: 600;
  position: absolute;
  background: white;
  line-height: 1;
  border-radius: 4px;
  padding: 1px 2px;
  display: none;
}
.chart-label.blue {
  color: #0f82f2;
  transform: translateX(-50%);
  margin-top: 2px;
}
.chart-label.green {
  color: #22ab24;
  margin: -10px 0 0 5px;
}

.triangle {
  display: none;
  fill: rgba(205, 14, 102, 0.2);
  transition: fill 0.2s;
}

.line-x {
  display: none;
  stroke: #0f82f2;
  stroke-width: 4px;
  stroke-linecap: round;
}

.line-y {
  display: none;
  stroke: #22ab24;
  stroke-width: 4px;
  stroke-linecap: round;
}

x-coordinate-system {
  margin: 0 auto 0.5em;
}
x-coordinate-system .grid, x-coordinate-system .axes, x-coordinate-system .plot, x-coordinate-system .labels {
  transition: opacity 0.2s;
}
.focus x-coordinate-system .axes, .focus x-coordinate-system .plot, .focus x-coordinate-system .labels {
  opacity: 0.1;
}
.focus x-coordinate-system .grid {
  opacity: 0.01;
}
.focus x-coordinate-system .triangle {
  fill: rgba(205, 14, 102, 0.05);
}
.focus x-coordinate-system .chart-point {
  background: #f0b7d1;
}
x-coordinate-system .line-x, x-coordinate-system .line-y {
  transition: stroke 0.2s;
}
.focus x-coordinate-system .line-x:not(.focus) {
  stroke: #b7dafb;
}
.focus x-coordinate-system .line-y:not(.focus) {
  stroke: #bde6bd;
}
x-coordinate-system .chart-label {
  transition: color 0.2s;
}
.focus x-coordinate-system .chart-label.blue:not(.focus) {
  color: #b7dafb;
}
.focus x-coordinate-system .chart-label.green:not(.focus) {
  color: #bde6bd;
}

#intercept .arrow {
  marker-start: url(#blue-circle);
  marker-end: url(#blue-arrow);
  stroke-width: 4px;
  stroke: #fd8c00;
}

.pill {
  line-height: 26px;
  min-width: 26px;
  box-sizing: border-box;
}

mn + mi.pill {
  margin-left: 5px;
}

.hover-image {
  transition: transform 0.2s ease-in-out;
}

.hover-image:hover {
  transform: scale(1.1);
}