.tutorial-page { font-size: 15px; line-height: 1.5; }
.tutorial-page main { max-width: 960px; padding: 22px 24px; }
.tutorial-page section { margin-block: 22px; }
.tutorial-page p { margin-bottom: 10px; }
.tutorial-header { max-width: 1012px; }
.tutorial-header > a { font-size: 14px; }
.tutorial-header .section-number { margin-top: 12px; font-weight: 600; font-size: 10px; }
.tutorial-header h1 { font-size: 27px; margin: 6px 0 8px; }
.tutorial-intro { max-width: 820px; font-size: 16px; line-height: 1.45; }
.demo-notice { font-size: 14px; color: #666; border-left: 2px solid #7b263b; padding-left: 14px; }
.experiment-settings { display: flex; gap: 10px 18px; flex-wrap: wrap; padding-top: 8px; margin-top: 10px; }
.experiment-settings label { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.experiment-settings select { font-size: 14px; }
#data-description { margin-top: 10px; }
.example-description { margin-top: 4px; }
.example-description summary { font-size: 13px; font-weight: normal; padding: 5px 0; }
.temperature-presets { border: 0; padding: 0; margin: 10px 0 6px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.temperature-presets legend { font-size: 13px; color: #666; margin-bottom: 6px; }
.temperature-presets label { font-size: 14px; display: flex; align-items: center; gap: 5px; cursor: pointer; }
.temperature-presets input { accent-color: #7b263b; }
#state-explanation { min-height: 40px; margin: 0; }
.minimum-dot { fill: none; stroke: #36745e; stroke-width: 2; }
.optimization-details { border-block: 1px solid #ccc; }
.optimization-details p,.optimization-details li { font-size: 15px; line-height: 1.5; }
.optimization-details p { margin: 10px 0; }
.optimization-details ol { padding-left: 22px; }
.optimization-details table,.bin-details table { font-size: 14px; }
.lab-context details p { font-size: 14px; }
.tutorial-page .temperature-controls { margin: 12px 0 16px; padding: 12px 0 8px; border-block: 1px solid #bbb; }
.control-heading { display: flex; align-items: center; gap: 14px; }
.control-heading label { font-weight: bold; font-size: 17px; }
.control-heading output { font-size: 22px; min-width: 58px; font-variant-numeric: tabular-nums; }
.tutorial-page button { cursor: pointer; background: #fff; border: 1px solid #aaa; border-radius: 3px; color: #333; font: inherit; padding: 7px 12px; }
.control-heading button { width: 36px; height: 36px; padding: 0; }
#temperature { width: 100%; margin: 10px 0 0; accent-color: #7b263b; }
.range-labels { position: relative; display: flex; justify-content: space-between; font-size: 13px; color: #666; }
.range-labels span:nth-child(2) { position: absolute; left: 20%; transform: translateX(-50%); }
.control-footer { display: flex; gap: 16px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.control-footer p { margin: 0; font-size: 15px; }
.control-footer button { font-size: 14px; }
.tutorial-page .lab-metrics { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; margin: 16px 0 10px; }
.lab-metrics article { border-bottom: 1px solid #aaa; padding-bottom: 12px; }
.lab-metrics h2 { font-size: 18px; text-align: left; margin: 0 0 6px; }
.lab-metrics small { font-size: 12px; font-weight: normal; color: #666; margin-left: 8px; }
.lab-metrics strong { display: block; font-size: 25px; font-variant-numeric: tabular-nums; line-height: 1.2; }
.lab-metrics article > span { display: block; font-size: 13px; color: #666; margin: 6px 0; min-height: 22px; }
.lab-metrics p { font-size: 15px; margin: 4px 0 0; }
.tutorial-page svg { display: block; width: 100%; overflow: visible; }
.tutorial-page svg text { font: 11px Arial,sans-serif; fill: #555; }
.axis { stroke: #aaa; stroke-width: 1; }
.reference { stroke: #888; stroke-dasharray: 4 4; stroke-width: 1; }
.metric-line { stroke: #2c648b; stroke-width: 2; fill: none; }
.metric-dot { fill: #7b263b; stroke: #fff; stroke-width: 1; }
.gridline { stroke: #e4e4e4; stroke-width: 1; }
.gap-line { stroke: #a66c35; stroke-width: 2; }
.lab-note { font-size: 14px; line-height: 1.55; color: #666; }
.lab-details { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px; margin: 22px 0 12px; }
.lab-details > div { min-width: 0; }
.lab-details h2 { text-align: left; font-size: 18px; margin-bottom: 12px; }
#reliability { max-width: 310px; margin-inline: auto; }
.lab-details label,.lab-details select { font-size: 15px; }
#logit-values,#sample-loss { font-size: 14px; margin: 10px 0; }
.probability-row { display: grid; grid-template-columns: 140px 1fr 50px; gap: 10px; align-items: center; margin: 15px 0; font-size: 14px; }
.probability-row > span:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.probability-track { background: #eee; height: 18px; }
.probability-fill { display: block; height: 100%; background: #7b8590; transition: width 120ms linear; }
.reference-class .probability-fill { background: #2c648b; }
.reference-class > span:first-child { font-weight: bold; }
.bin-details { border-block: 1px solid #ccc; }
.bin-details p { font-size: 14px; }
.equation-guide { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 28px; border-top: 1px solid #aaa; padding-top: 14px; margin-top: 20px; }
.equation-guide > h2 { grid-column: 1 / -1; }
.equation-guide article { min-width: 0; }
.equation-guide > h2,.lab-context h2 { text-align: left; font-size: 20px; margin: 0 0 8px; }
.equation-guide article { border-bottom: 1px solid #ddd; padding: 10px 0 14px; }
.equation-guide h3 { font-size: 16px; margin: 0 0 6px; }
.equation-guide math { font-size: 16px; margin: 6px 0; overflow-x: auto; padding-block: 4px; min-height: 64px; align-content: center; }
.equation-guide p { max-width: 850px; margin: 6px 0 0; font-size: 14px; line-height: 1.5; }
.lab-context { margin-top: 24px; }
.lab-context p { font-size: 16px; line-height: 1.5; }
@media(max-width: 700px) {
  .tutorial-page main { padding: 18px 16px; }
  .tutorial-header h1 { font-size: 24px; }
  .range-labels span:nth-child(2) { transform: none; }
  .lab-metrics { gap: 12px; }
  .lab-metrics h2 { font-size: 17px; }
  .lab-metrics small { display: block; margin: 5px 0; }
  .lab-metrics strong { font-size: 22px; }
  .lab-metrics article > span { min-height: 40px; }
  .lab-details { grid-template-columns: 1fr; gap: 24px; }
  .probability-row { grid-template-columns: 125px 1fr 45px; }
  .equation-guide { grid-template-columns: 1fr; gap: 8px; }
  .equation-guide math { font-size: 16px; }
  .experiment-settings { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
  .experiment-settings label { flex-direction: column; align-items: stretch; gap: 3px; min-width: 0; }
  .experiment-settings label:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .experiment-settings select { width: 100%; }
}
@media(prefers-reduced-motion: reduce) { .probability-fill { transition: none; } }