/* Flip a coin + dice mode (tools.d, 2026-10-17). Every rule under #visu-tools.vt-coin-flip; borders stay 1px hairline. */
#visu-tools.vt-coin-flip [hidden] { display: none !important; }
#visu-tools.vt-coin-flip .vt-cf-main { display: grid; gap: 14px; }
#visu-tools.vt-coin-flip .vt-cf-modes .vt-seg-items { justify-content: center; }
#visu-tools.vt-coin-flip .vt-cf-modes .vt-seg-item span { min-width: 96px; justify-content: center; }
#visu-tools.vt-coin-flip .vt-cf-result { display: grid; gap: 6px; justify-items: center; text-align: center; }

/* Stage: a real button (tap, Space, Enter). !important: the theme styles bare <button> elements. */
#visu-tools.vt-coin-flip .vt-cf-stage { display: grid; place-items: center; width: 100% !important; min-height: 236px; margin: 0 !important; padding: 18px 8px !important; border: 0 !important;
  border-radius: 16px !important; background: none !important; box-shadow: none !important; color: inherit !important; cursor: pointer; -webkit-tap-highlight-color: transparent; text-transform: none !important; letter-spacing: 0 !important; }
#visu-tools.vt-coin-flip .vt-cf-stage:focus-visible { outline: 2px solid var(--vt-accent-text); outline-offset: 2px; }
#visu-tools.vt-coin-flip .vt-cf-busy .vt-cf-stage { cursor: progress; }
#visu-tools.vt-coin-flip .vt-cf-items { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px; max-width: 520px; --s: 168px; --d: 120px; }
#visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n2 { --s: 136px; --d: 108px; }
#visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n4 { --s: 104px; --d: 92px; gap: 12px; }
#visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n6 { --s: 92px; --d: 80px; gap: 10px; }
#visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n10 { --s: 68px; gap: 10px; }

/* Coin: two faces back to back, turned on the X axis. The face shown = rotation / 180 (even heads, odd tails). */
#visu-tools.vt-coin-flip .vt-cf-coin { display: block; width: var(--s); height: var(--s); perspective: 800px; }
#visu-tools.vt-coin-flip .vt-cf-spin { position: relative; display: block; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform .95s cubic-bezier(.2, .7, .25, 1); }
#visu-tools.vt-coin-flip .vt-cf-face { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 2px; border-radius: 50%;
  backface-visibility: hidden; -webkit-backface-visibility: hidden; border: 1px solid rgba(10, 19, 36, .16); }
#visu-tools.vt-coin-flip .vt-cf-heads { background: radial-gradient(circle at 34% 28%, #ffe7a3 0, #f6c453 42%, #e0a12c 78%, #c9871a 100%); color: #5b3b04;
  box-shadow: inset 0 0 0 calc(var(--s) * .055) rgba(255, 240, 200, .45), inset 0 -6px 14px rgba(120, 72, 0, .18); }
#visu-tools.vt-coin-flip .vt-cf-tails { transform: rotateX(180deg); background: radial-gradient(circle at 34% 28%, #ffffff 0, #e6ecf3 45%, #c3cedb 82%, #aab8c8 100%); color: #33415a;
  box-shadow: inset 0 0 0 calc(var(--s) * .055) rgba(255, 255, 255, .55), inset 0 -6px 14px rgba(10, 19, 36, .12); }
#visu-tools.vt-coin-flip .vt-cf-face svg { width: calc(var(--s) * .4); height: calc(var(--s) * .4); fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
#visu-tools.vt-coin-flip .vt-cf-face b { font-size: calc(var(--s) * .105); font-weight: 760; letter-spacing: .06em; text-transform: uppercase; line-height: 1; }
#visu-tools.vt-coin-flip :is(.vt-cf-n6, .vt-cf-n10) .vt-cf-face b { display: none; }
#visu-tools.vt-coin-flip :is(.vt-cf-n6, .vt-cf-n10) .vt-cf-face svg { width: calc(var(--s) * .5); height: calc(var(--s) * .5); }
#visu-tools.vt-coin-flip .vt-cf-coin.vt-cf-toss { animation: vt-cf-toss .95s cubic-bezier(.3, .6, .4, 1); }
@keyframes vt-cf-toss { 0% { transform: translateY(0) scale(1); } 40% { transform: translateY(-34%) scale(1.08); } 100% { transform: translateY(0) scale(1); } }

/* Dice: white rounded squares, d6 with pips on a 3 x 3 grid, the others with the number. */
#visu-tools.vt-coin-flip .vt-cf-die { position: relative; display: grid; place-items: center; width: var(--d); height: var(--d); border-radius: 18%; background: #fff; border: 1px solid var(--vt-line-2);
  box-shadow: 0 2px 0 rgba(10, 19, 36, .06), 0 8px 18px rgba(10, 19, 36, .08); color: var(--vt-ink); }
#visu-tools.vt-coin-flip .vt-cf-die.vt-cf-d6 { grid-template: repeat(3, 1fr) / repeat(3, 1fr); padding: 14%; }
#visu-tools.vt-coin-flip .vt-cf-die i { display: block; width: calc(var(--d) * .15); height: calc(var(--d) * .15); border-radius: 50%; place-self: center; }
#visu-tools.vt-coin-flip .vt-cf-die i.vt-cf-pip { background: var(--vt-ink); }
#visu-tools.vt-coin-flip .vt-cf-dv { font-size: calc(var(--d) * .44); font-weight: 760; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
#visu-tools.vt-coin-flip .vt-cf-dl { position: absolute; right: 9%; bottom: 7%; font-size: calc(var(--d) * .12); font-weight: 650; color: var(--vt-muted); }
#visu-tools.vt-coin-flip .vt-cf-die.vt-cf-tumble { animation: vt-cf-tumble .64s ease-out; }
@keyframes vt-cf-tumble { 0% { transform: translateY(0) rotate(0); } 30% { transform: translateY(-18%) rotate(-22deg); } 60% { transform: translateY(-6%) rotate(14deg); } 100% { transform: translateY(0) rotate(0); } }

/* Result text */
#visu-tools.vt-coin-flip .vt-cf-said { display: grid; gap: 2px; min-height: 58px; align-content: center; }
#visu-tools.vt-coin-flip .vt-cf-said strong { font-size: 15px; font-weight: 500; color: var(--vt-muted); }
#visu-tools.vt-coin-flip .vt-cf-has .vt-cf-said strong { font-size: 32px; line-height: 1.15; font-weight: 780; letter-spacing: -0.02em; color: var(--vt-ink); }
#visu-tools.vt-coin-flip .vt-cf-busy .vt-cf-said strong { font-size: 15px; font-weight: 500; color: var(--vt-muted); }
#visu-tools.vt-coin-flip #vt-cf-sub { font-size: 14px; color: var(--vt-text); overflow-wrap: anywhere; }
#visu-tools.vt-coin-flip #vt-cf-sub:empty { display: none; }
#visu-tools.vt-coin-flip .vt-cf-seedline { min-height: 1.4em; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; color: var(--vt-muted); }
#visu-tools.vt-coin-flip .vt-cf-go .vt-btn { flex: 1 1 100%; min-height: 52px; font-size: 16.5px; }

/* Count stepper + sides */
#visu-tools.vt-coin-flip .vt-cf-opts { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: flex-end; justify-content: center; padding-top: 14px; border-top: 1px solid var(--vt-line); }
#visu-tools.vt-coin-flip .vt-cf-count { display: grid; gap: 8px; justify-items: center; }
#visu-tools.vt-coin-flip .vt-cf-stepper { display: inline-flex; align-items: center; gap: 4px; }
#visu-tools.vt-coin-flip .vt-cf-step { display: grid; place-items: center; width: 44px !important; height: 44px !important; min-height: 0 !important; margin: 0 !important; padding: 0 !important; border-radius: 50% !important;
  border: 1px solid var(--vt-line-2) !important; background: #fff !important; color: var(--vt-ink) !important; box-shadow: none !important; cursor: pointer; }
#visu-tools.vt-coin-flip .vt-cf-step:hover:not(:disabled) { border-color: var(--vt-ink) !important; }
#visu-tools.vt-coin-flip .vt-cf-step:disabled { opacity: .4; cursor: default; }
#visu-tools.vt-coin-flip .vt-cf-step svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
#visu-tools.vt-coin-flip .vt-cf-num { min-width: 44px; text-align: center; font-size: 22px; font-weight: 740; color: var(--vt-ink); font-variant-numeric: tabular-nums; }
#visu-tools.vt-coin-flip .vt-cf-sides-seg > legend { text-align: center; width: 100%; margin-bottom: 8px; }
#visu-tools.vt-coin-flip .vt-cf-sides-seg .vt-seg-items { justify-content: center; gap: 6px; }
#visu-tools.vt-coin-flip .vt-cf-sides-seg .vt-seg-item span { min-height: 40px; min-width: 48px; padding: 6px 10px; justify-content: center; font-variant-numeric: tabular-nums; }
#visu-tools.vt-coin-flip .vt-cf-shared { padding: 10px 14px; border-radius: 12px; background: var(--vt-tint); font-size: 14px; }
#visu-tools.vt-coin-flip .vt-cf-sample { justify-self: center; }

/* Session panel */
#visu-tools.vt-coin-flip .vt-cf-side { display: grid; gap: 12px; }
#visu-tools.vt-coin-flip .vt-cf-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 30px; }
#visu-tools.vt-coin-flip .vt-cf-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0 !important; }
#visu-tools.vt-coin-flip .vt-cf-stats:empty { display: none; }
#visu-tools.vt-coin-flip .vt-cf-stat { display: grid; gap: 2px; padding: 10px 12px; border: 1px solid var(--vt-line); border-radius: 12px; background: var(--vt-bg); min-width: 0; }
#visu-tools.vt-coin-flip .vt-cf-stat dt { font-size: 12px; font-weight: 650; color: var(--vt-muted); }
#visu-tools.vt-coin-flip .vt-cf-stat dd { margin: 0 !important; font-size: 18px; font-weight: 740; color: var(--vt-ink); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
#visu-tools.vt-coin-flip .vt-cf-stat.vt-cf-h dt::before, #visu-tools.vt-coin-flip .vt-cf-stat.vt-cf-t dt::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 6px; border-radius: 50%; vertical-align: 1px; }
#visu-tools.vt-coin-flip .vt-cf-stat.vt-cf-h dt::before { background: #e0a12c; }
#visu-tools.vt-coin-flip .vt-cf-stat.vt-cf-t dt::before { background: #aab8c8; }
#visu-tools.vt-coin-flip .vt-cf-bar { grid-column: 1 / -1; height: 8px; border-radius: 4px; background: #d5dde7; overflow: hidden; }
#visu-tools.vt-coin-flip .vt-cf-bar-h { display: block; height: 100%; background: #e0a12c; transition: width .3s ease; }
#visu-tools.vt-coin-flip .vt-cf-history { list-style: none; margin: 0 !important; padding: 0 !important; display: grid; }
#visu-tools.vt-coin-flip .vt-cf-history:empty { display: none; }
#visu-tools.vt-coin-flip .vt-cf-history li { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--vt-line); font-size: 14.5px; color: var(--vt-text); }
#visu-tools.vt-coin-flip .vt-cf-history li:last-child { border-bottom: 0; }
#visu-tools.vt-coin-flip .vt-cf-history .vt-cf-last { color: var(--vt-ink); font-weight: 650; }
#visu-tools.vt-coin-flip .vt-cf-hres { min-width: 0; overflow-wrap: anywhere; }
#visu-tools.vt-coin-flip .vt-cf-hseed { flex: none; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; font-weight: 400; color: var(--vt-muted); }
#visu-tools.vt-coin-flip .vt-cf-linkbox:not([hidden]) { display: grid; gap: 6px; }
#visu-tools.vt-coin-flip .vt-cf-linkbox input { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important; font-size: 13px !important; color: var(--vt-muted) !important; text-overflow: ellipsis; }
#visu-tools.vt-coin-flip .vt-cf-check { display: grid; gap: 8px; padding-top: 14px; border-top: 1px solid var(--vt-line); }
#visu-tools.vt-coin-flip .vt-cf-checkrow { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; }
#visu-tools.vt-coin-flip .vt-cf-checkrow input { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important; text-transform: uppercase; letter-spacing: .04em; }
#visu-tools.vt-coin-flip .vt-cf-checkrow .vt-btn { min-height: 46px; }
#visu-tools.vt-coin-flip .vt-cf-dice-sec { padding-top: 40px; display: grid; gap: 10px; max-width: 760px; }
#visu-tools.vt-coin-flip .vt-cf-dice-sec p { font-size: 16.5px; line-height: 1.6; color: var(--vt-text); }

@media (prefers-reduced-motion: reduce) {
  #visu-tools.vt-coin-flip .vt-cf-spin, #visu-tools.vt-coin-flip .vt-cf-bar-h { transition: none; }
  #visu-tools.vt-coin-flip .vt-cf-coin.vt-cf-toss, #visu-tools.vt-coin-flip .vt-cf-die.vt-cf-tumble { animation: none; }
}
@media (max-width: 600px) {
  #visu-tools.vt-coin-flip .vt-cf-main { gap: 10px; }
  #visu-tools.vt-coin-flip .vt-cf-stage { min-height: 196px; padding: 12px 0 !important; }
  #visu-tools.vt-coin-flip .vt-cf-items { --s: 148px; --d: 108px; }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n2 { --s: 118px; --d: 100px; }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n4 { --s: 92px; --d: 80px; }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n6 { --s: 72px; --d: 72px; }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n10 { --s: 52px; gap: 8px; max-width: calc(5 * 52px + 4 * 8px); }
  /* Balanced rows on a phone: 4 = 2 + 2, 5 = 3 + 2, 6 = 3 + 3, 7 to 10 = 5 per row. */
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n4[data-count="4"] { max-width: calc(2 * var(--s) + 12px); }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n4[data-count="4"][data-mode="dice"] { max-width: calc(2 * var(--d) + 12px); }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n6 { max-width: calc(3 * var(--s) + 20px); }
  #visu-tools.vt-coin-flip .vt-cf-items.vt-cf-n6[data-mode="dice"] { max-width: calc(3 * var(--d) + 20px); }
  #visu-tools.vt-coin-flip .vt-cf-has .vt-cf-said strong { font-size: 28px; }
  #visu-tools.vt-coin-flip .vt-cf-stat { padding: 8px 10px; }
  #visu-tools.vt-coin-flip .vt-cf-stat dd { font-size: 16px; }
}