/* Probability Plinko: the Mendel Midway Plinko cabinet (left) and the lab-report clipboard (right) inside the practice stage. */
.pp { position: absolute; inset: 0; display: grid; grid-template-columns: minmax(0, 1fr) 450px; gap: 12px; padding: 8px 12px; color: var(--tlg-text); font-size: 16px; }

/* ---- the cabinet ---- */
.pp-cabinet { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; min-width: 0; min-height: 0; padding: 8px 10px 8px; border-radius: 18px;
  background: linear-gradient(180deg, #b56b2c, #8a4b1c 55%, #6e3a14); border: 2px solid #4a250b;
  box-shadow: inset 0 2px 0 rgba(255, 220, 170, .35), inset 0 -3px 0 rgba(0, 0, 0, .25), 0 6px 16px rgba(0, 0, 0, .22); }
.pp-marquee { position: relative; display: flex; align-items: center; gap: 10px; padding: 6px 12px 6px 14px; margin-bottom: 8px; border-radius: 12px; color: #fff;
  background: linear-gradient(180deg, #c22d61, #8e1a43); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25); }
.pp-marquee::before { content: ''; position: absolute; left: 8px; right: 8px; top: 3px; height: 4px;
  background: radial-gradient(circle, #fff6c9 0 2px, transparent 2.5px) 0 0 / 16px 4px repeat-x; opacity: .85; }
.pp-cross { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 8px; min-width: 0; font-size: 16px; }
.pp-cross b { font-size: 19px; letter-spacing: .02em; }
.pp-pair { display: inline-flex; align-items: baseline; gap: 6px; white-space: nowrap; margin-right: 10px; }
.pp-k { font-size: 16px; font-weight: 700; letter-spacing: .1em; color: #ffd9e6; }
.pp-modeltag { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.pp-modelchip { position: absolute; right: 8px; top: 8px; z-index: 1; font-size: 16px; font-weight: 700; padding: 2px 8px; border-radius: 6px; background: rgba(0, 0, 0, .45); color: #dfe6ff; white-space: nowrap; pointer-events: none; }
.pp-about-btn { font: inherit; font-size: 16px; font-weight: 700; min-height: 36px; padding: 4px 10px; border-radius: 8px; border: 2px solid #ffd9e6; background: transparent; color: #fff; cursor: pointer; }
.pp-about-btn:hover { background: rgba(255, 255, 255, .12); }
.pp-about-btn:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.pp-frame { position: relative; min-height: 0; border-radius: 12px; overflow: hidden; border: 3px solid #3b1e08; box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .08); background: #141832; }
.pp-canvas { display: block; width: 100%; height: 100%; }
.pp-about { position: absolute; left: 10px; right: 10px; top: 10px; padding: 12px 14px; border-radius: 12px; background: var(--tlg-surface); color: var(--tlg-text);
  border: 2px solid var(--tlg-border-strong); box-shadow: 0 8px 22px rgba(0, 0, 0, .35); font-size: 16px; line-height: 1.45; z-index: 2; }
.pp-about p { margin: 0; }
.pp-tally { display: flex; flex-wrap: wrap; gap: 2px 10px; margin: 6px 2px 0; min-height: 24px; font-size: 16px; color: #fff3e2; }
.pp-tally b { color: #fff; }
.pp-tally-swap { color: #ffe08a; font-style: normal; font-weight: 700; }

/* ---- the clipboard ---- */
.pp-panel { position: relative; display: flex; flex-direction: column; gap: 8px; min-width: 0; min-height: 0; overflow: auto; padding: 22px 14px 10px; border-radius: 14px;
  background: var(--tlg-surface); border: 2px solid var(--tlg-border-strong); box-shadow: 0 4px 12px rgba(0, 0, 0, .12); }
.pp-panel::before { content: ''; position: absolute; top: 4px; left: 50%; width: 110px; height: 12px; margin-left: -55px; border-radius: 0 0 8px 8px;
  background: linear-gradient(#c7ccd6, #8e95a3); box-shadow: 0 1px 2px rgba(0, 0, 0, .3); }
.pp-panel > * { flex-shrink: 0; }
.pp-field { margin: 0; min-width: 0; }
.pp input { font-size: 16px; }
.pp-label { display: block; margin: 0 0 4px; font-size: 16px; font-weight: 700; color: var(--tlg-text); }
.pp-label--sec { margin-bottom: 2px; }

/* radio options: segmented (drop size, df) and cards (decision, why) */
.pp-options { display: flex; gap: 6px; }
.pp-opt { position: relative; flex: 1 1 0; min-width: 0; cursor: pointer; }
.pp-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.pp-opt span { display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 4px 8px; border-radius: 10px; text-align: center;
  border: 2px solid var(--tlg-border-strong); background: var(--tlg-bg-band, var(--tlg-bg)); color: var(--tlg-text); font-size: 16px; line-height: 1.25; transition: background .15s, border-color .15s, transform .1s; }
.pp-opt:hover span { border-color: #a3214f; }
.pp-opt input:checked + span { background: #a3214f; border-color: #a3214f; color: #fff; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .2); }
.pp-opt input:checked + span::before { content: '●'; font-size: 16px; }
.pp-opt input:focus-visible + span { outline: 3px solid var(--tlg-focus); outline-offset: 2px; }
.pp-opt input:disabled + span { cursor: default; }
.pp-opt input:checked:disabled + span { opacity: 1; background: #a3214f; border-color: #a3214f; color: #fff; }
.pp-opt input:disabled:not(:checked) + span { opacity: .6; }
.pp-drop .pp-opt span { min-height: 48px; }
.pp-drop .pp-opt b { font-size: 22px; }
.pp-drop .pp-opt small { font-size: 16px; }
.pp-drop .pp-opt input:checked + span::before { content: '▼'; font-size: 16px; }
.pp-cards .pp-options { flex-direction: column; gap: 5px; }
.pp-cards .pp-opt span { justify-content: flex-start; text-align: left; min-height: 40px; padding: 4px 10px; }
.pp-cards .pp-opt input:not(:checked) + span::before { content: '○'; font-size: 16px; }
.pp-seg .pp-opt span { min-height: 44px; font-weight: 700; }

/* probability sliders */
.pp-slider { padding: 2px 0 0; }
.pp-slider-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.pp-slider-head .pp-label { margin: 0; }
.pp-readout { font-size: 18px; font-weight: 800; color: var(--tlg-text); min-width: 4ch; text-align: right; }
.pp-slider input[type=range] { display: block; width: 100%; height: 30px; margin: 0; accent-color: #a3214f; cursor: pointer; background: transparent; }
.pp-slider input[type=range]:focus-visible { outline: 3px solid var(--tlg-focus); outline-offset: 2px; border-radius: 6px; }
.pp-slider:not(.is-set) input[type=range] { opacity: .55; }
.pp-ticks { display: flex; justify-content: space-between; margin: -2px 2px 0; font-size: 16px; color: var(--tlg-text-muted, var(--tlg-text)); }
.pp-ticks span { width: 0; display: flex; justify-content: center; white-space: nowrap; }
.pp--di .pp-ticks { display: none; }
.pp-muted { color: var(--tlg-text-muted, var(--tlg-text)); font-weight: 400; }
.pp-preds { display: flex; flex-direction: column; gap: 2px; }
.pp--di .pp-slider input[type=range] { height: 24px; }
.pp-slider--c0 .pp-label::before, .pp-slider--c1 .pp-label::before, .pp-slider--c2 .pp-label::before, .pp-slider--c3 .pp-label::before,
.pp-sw { content: ''; display: inline-block; width: 14px; height: 14px; margin-right: 6px; border-radius: 3px; vertical-align: -1px; border: 1px solid rgba(0, 0, 0, .35); }
.pp-slider--c0 .pp-label::before, .pp-sw0 { background: #f2b632; }
.pp-slider--c1 .pp-label::before, .pp-sw1 { background: repeating-linear-gradient(135deg, #3fb6a8 0 3px, #2f8a80 3px 5px); }
.pp-slider--c2 .pp-label::before, .pp-sw2 { background: radial-gradient(circle, #a8495a 0 2px, #ef7a8f 2.5px) 0 0 / 7px 7px; }
.pp-slider--c3 .pp-label::before, .pp-sw3 { background: #9aa8ff linear-gradient(90deg, transparent 6px, #6a76c8 6px 8px, transparent 8px); }
.pp-sum { margin: 2px 0 0; font-size: 16px; color: var(--tlg-text-muted, var(--tlg-text)); }

/* number boxes */
.pp-row { display: flex; gap: 10px; align-items: flex-end; }
.pp-row > * { flex: 1 1 0; }
.pp-num input { display: block; width: 100%; box-sizing: border-box; min-height: 44px; padding: 6px 10px; font: inherit; font-size: 18px; font-weight: 700;
  border: 2px solid var(--tlg-border-strong); border-radius: 10px; background: var(--tlg-bg); color: var(--tlg-text); }
.pp-num input:focus-visible { outline: 3px solid var(--tlg-focus); outline-offset: 2px; }
.pp-num input:disabled { opacity: 1; background: var(--tlg-surface); }
.pp-row--counts .pp-label { font-size: 16px; line-height: 1.2; min-height: 38px; display: flex; align-items: flex-end; }

/* chi-square card */
.pp-stats { padding: 6px 10px; border-radius: 10px; background: var(--tlg-bg-band, var(--tlg-bg)); border: 1px solid var(--tlg-border); font-size: 16px; line-height: 1.3; }
.pp-stats p { margin: 0 0 2px; }
.pp-stats-note { color: var(--tlg-text-muted, var(--tlg-text)); }
.pp-stats-note:empty { display: none; }
.pp-nudge { margin: 0; min-height: 0; font-size: 16px; font-weight: 700; color: var(--tlg-danger, #b42318); }
.pp-nudge:empty { display: none; }

@media (prefers-reduced-motion: reduce) { .pp-opt span { transition: none; } }
@media (max-width: 1100px) { .pp { grid-template-columns: minmax(0, 1fr) 380px; } }
@media (max-width: 900px) {
  .pp { position: static; grid-template-columns: 1fr; }
  .pp-cabinet { grid-template-rows: auto 540px auto; }
  .pp--di .pp-cabinet { grid-template-rows: auto 600px auto; }
  .pp-panel { overflow: visible; }
}
@media (max-width: 560px) {
  .pp { padding: 6px; }
  .pp-marquee { flex-wrap: wrap; }
  .pp-modeltag { margin-left: 0; }
  .pp-cabinet { padding: 6px; }
  .pp-ticks { font-size: 16px; letter-spacing: -.03em; }
  .pp-ticks span:nth-child(even) { visibility: hidden; }
  .pp-row { flex-wrap: wrap; }
}