/* ============================================================
   /blackjack-rules/ page sheet (Rules + Practice hub, Option A
   phase 1). Rides the article shell (article.css); this file only
   adds the page's bespoke blocks: the printable-chart download
   card and the practice-tool cards in What's Next. Everything
   else on the page uses the shared .av2-prose vocabulary.
   ============================================================ */

/* --- printable chart download card --- */
.av2-prose .rules-dl {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: var(--bji-space-5);
  align-items: center;
  background: var(--bji-surface);
  border: 1px solid var(--bji-border);
  border-left: 4px solid var(--bji-green-500);
  border-radius: var(--bji-radius-lg);
  padding: var(--bji-space-5);
  margin: 0 0 var(--bji-space-4);
}
.av2-prose .rules-dl .thumb img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-sm);
  box-shadow: var(--bji-shadow-sm);
}
.av2-prose .rules-dl h3 { margin: 0 0 var(--bji-space-2); }
.av2-prose .rules-dl p { margin: 0 0 var(--bji-space-3); font-size: var(--bji-text-sm); color: var(--bji-text-muted); }
.av2-prose .rules-dl .btns { display: flex; flex-wrap: wrap; gap: var(--bji-space-3); }
.av2-prose .rules-dl .btns .cv2-btn { font-size: var(--bji-text-sm); }
.av2-prose .rules-dl .fine { margin: var(--bji-space-3) 0 0; font-size: var(--bji-text-xs); color: var(--bji-text-faint); }
@media (max-width: 560px) {
  .av2-prose .rules-dl { grid-template-columns: 1fr; }
  .av2-prose .rules-dl .thumb { max-width: 200px; }
}

/* --- playing-card visuals ---
   Mirrors the .bjvs-card idiom from the variation practice tables
   (css/free-games.css), adapted to the light prose column: border +
   softer shadow instead of the dark-felt drop shadow. Ranks and suits
   are TEXT (translate="no" in the markup), never images. --- */
.av2-prose .rcard {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 0 0 auto;
  width: 3rem;
  height: 4.3rem;
  padding: 4px 6px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--bji-border);
  box-shadow: 0 2px 6px rgb(14 22 56 / 0.16);
  color: var(--bji-navy-900);
  font-weight: var(--bji-weight-bold);
  font-size: var(--bji-text-lg);
  line-height: 1;
}
.av2-prose .rcard b { font-weight: inherit; }
.av2-prose .rcard i { font-style: normal; align-self: flex-end; font-size: 1.3rem; }
.av2-prose .rcard--red { color: #c22a2a; }
.av2-prose .rcard--back {
  background: repeating-linear-gradient(45deg, #1c2b57, #1c2b57 6px, #24356b 6px, #24356b 12px);
  border: 3px solid #fff;
}

.av2-prose .rhand { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.av2-prose .rtag {
  display: inline-block;
  margin-left: 4px;
  padding: 2px 10px;
  border-radius: var(--bji-radius-pill);
  background: var(--bji-gray-100);
  color: var(--bji-navy-900);
  font-size: var(--bji-text-sm);
  font-weight: var(--bji-weight-bold);
  white-space: nowrap;
}
.av2-prose .rtag--good { background: #dcf5e4; color: var(--bji-green-700); }
.av2-prose .rtag--bad { background: #ffe0e0; color: #c0392b; }
.av2-prose .rwho {
  display: block;
  font-size: var(--bji-text-xs);
  font-weight: var(--bji-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bji-text-faint);
}

/* example-hand gallery */
.av2-prose .rhands { display: flex; flex-wrap: wrap; gap: var(--bji-space-4); margin: 0 0 var(--bji-space-4); }
.av2-prose .rhands figure {
  flex: 1 1 208px;
  margin: 0;
  background: var(--bji-surface);
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-lg);
  padding: var(--bji-space-4);
  display: grid;
  gap: var(--bji-space-3);
  align-content: start;
  justify-items: start;
}
.av2-prose .rhands figcaption { margin: 0; font-size: var(--bji-text-sm); color: var(--bji-text-muted); text-align: left; }

/* whole-round step sequence */
.av2-prose .rround { display: grid; grid-template-columns: 1fr 1fr; gap: var(--bji-space-4); margin: 0 0 var(--bji-space-4); counter-reset: rround; }
@media (max-width: 640px) { .av2-prose .rround { grid-template-columns: 1fr; } }
.av2-prose .rround .step {
  background: var(--bji-surface);
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-lg);
  padding: var(--bji-space-4) var(--bji-space-5);
  counter-increment: rround;
}
.av2-prose .rround .step > .t {
  display: flex;
  align-items: center;
  gap: var(--bji-space-3);
  font-weight: var(--bji-weight-bold);
  margin: 0 0 var(--bji-space-3);
}
.av2-prose .rround .step > .t::before {
  content: counter(rround);
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bji-navy-900);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--bji-text-sm);
}
.av2-prose .rround .step .rwho { margin: var(--bji-space-3) 0 4px; }
.av2-prose .rround .step .rwho:first-of-type { margin-top: 0; }
.av2-prose .rround .step > p:not(.t) { margin: var(--bji-space-3) 0 0; font-size: var(--bji-text-sm); color: var(--bji-text-muted); }

/* betting chip */
.av2-prose .rchip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: #c22a2a;
  border: 4px dashed #fff;
  box-shadow: 0 0 0 1px #a52222, 0 2px 6px rgb(14 22 56 / 0.25);
  color: #fff;
  font-weight: var(--bji-weight-bold);
  font-size: var(--bji-text-sm);
}

/* deal-in animation: js/rules.js adds .rjs to <html> and .is-in to each
   .rdeal hand as it scrolls into view. Without JS, or with reduced
   motion, every card is simply visible: static is the base state. */
@media (prefers-reduced-motion: no-preference) {
  html.rjs .av2-prose .rdeal .rcard { opacity: 0; transform: translateY(-10px) rotate(-2deg); }
  html.rjs .av2-prose .rdeal.is-in .rcard {
    opacity: 1;
    transform: none;
    transition: opacity 0.3s var(--bji-ease), transform 0.3s var(--bji-ease);
  }
  html.rjs .av2-prose .rdeal.is-in .rcard:nth-child(2) { transition-delay: 90ms; }
  html.rjs .av2-prose .rdeal.is-in .rcard:nth-child(3) { transition-delay: 180ms; }
  html.rjs .av2-prose .rdeal.is-in .rcard:nth-child(4) { transition-delay: 270ms; }
  html.rjs .av2-prose .rdeal.is-in .rcard:nth-child(5) { transition-delay: 360ms; }
}

/* ============================================================
   Wave-1 interactive learning widgets (js/rules.js). The mounts
   ship hidden and empty; everything below styles JS-built DOM,
   so none of it affects the no-JS/static rendering.
   ============================================================ */

.av2-prose .rwidget {
  background: var(--bji-surface);
  border: 1px solid var(--bji-border);
  border-left: 4px solid var(--bji-blue-500);
  border-radius: var(--bji-radius-lg);
  padding: var(--bji-space-5);
  margin: 0 0 var(--bji-space-4);
}
.av2-prose .rw-kicker {
  margin: 0 0 var(--bji-space-2);
  font-size: var(--bji-text-xs);
  font-weight: var(--bji-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--bji-blue-600);
}
.av2-prose .rw-lead { margin: 0 0 var(--bji-space-4); font-size: var(--bji-text-sm); color: var(--bji-text-muted); }
.av2-prose .rw-cta {
  margin: var(--bji-space-4) 0 0;
  padding-top: var(--bji-space-3);
  border-top: 1px solid var(--bji-border);
  font-size: var(--bji-text-sm);
  color: var(--bji-text-muted);
}
.av2-prose .rw-progress { margin: var(--bji-space-3) 0 0; font-size: var(--bji-text-xs); color: var(--bji-text-faint); }

/* --- widget 1: hand-value builder --- */
.av2-prose .rhb-hand {
  min-height: 4.9rem;
  align-items: center;
  border: 1px dashed var(--bji-border-strong);
  border-radius: var(--bji-radius-md);
  padding: var(--bji-space-3);
  margin: 0 0 var(--bji-space-3);
}
.av2-prose .rhb-hand:empty::after {
  content: attr(data-empty);
  font-size: var(--bji-text-sm);
  color: var(--bji-text-faint);
}
.av2-prose .rhb-total { min-height: 1.6em; margin: 0 0 var(--bji-space-4); font-size: var(--bji-text-sm); color: var(--bji-text-muted); }
.av2-prose .rhb-rail { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 var(--bji-space-3); }
.av2-prose .rhb-add {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  border-radius: 8px;
  transition: transform var(--bji-duration-fast) var(--bji-ease);
}
.av2-prose .rhb-add:hover:not(:disabled) { transform: translateY(-3px); }
.av2-prose .rhb-add:focus-visible { outline: 2px solid var(--bji-blue-500); outline-offset: 2px; }
.av2-prose .rhb-add:disabled { cursor: default; }
.av2-prose .rhb-add:disabled .rcard { opacity: 0.35; }
.av2-prose .rhb-add .rcard { width: 2.6rem; height: 3.7rem; font-size: var(--bji-text-base); }
.av2-prose .rhb-actions { margin: 0; }

/* --- widget 2: you make the call --- */
.av2-prose .rmc-deal { display: grid; gap: var(--bji-space-4); margin: 0 0 var(--bji-space-4); }
.av2-prose .rmc-deal .rwho { margin-bottom: 4px; }
.av2-prose .rmc-btns { display: flex; flex-wrap: wrap; gap: var(--bji-space-2); }
.av2-prose .rmc-btn.is-right { background: var(--bji-green-500); border-color: var(--bji-green-500); color: #fff; }
.av2-prose .rmc-btn.is-wrong { background: #ffe0e0; border-color: #c0392b; color: #c0392b; }
.av2-prose .rmc-fb { outline: none; }
.av2-prose .rmc-fb.is-open {
  margin-top: var(--bji-space-4);
  border-left: 3px solid var(--bji-border-strong);
  padding: var(--bji-space-3) var(--bji-space-4);
  background: var(--bji-gray-050);
  border-radius: 0 var(--bji-radius-md) var(--bji-radius-md) 0;
}
.av2-prose .rmc-fb.is-right { border-left-color: var(--bji-green-500); }
.av2-prose .rmc-fb.is-wrong { border-left-color: #c0392b; }
.av2-prose .rmc-fb .verdict { margin: 0 0 var(--bji-space-2); font-weight: var(--bji-weight-bold); }
.av2-prose .rmc-fb.is-right .verdict { color: var(--bji-green-700); }
.av2-prose .rmc-fb.is-wrong .verdict { color: #c0392b; }
.av2-prose .rmc-fb p { font-size: var(--bji-text-sm); margin: 0 0 var(--bji-space-3); }

/* --- widget 3: table diagram --- */
.av2-prose .rtd-stage { position: relative; aspect-ratio: 5 / 3; margin: 0 0 var(--bji-space-3); }
.av2-prose .rtd-felt {
  position: absolute;
  inset: 2% 3% 6%;
  background: linear-gradient(180deg, var(--bji-navy-800), #1c2b57);
  border: 3px solid var(--bji-navy-900);
  border-radius: 14px 14px 50% 50% / 14px 14px 78% 78%;
  overflow: hidden;
}
.av2-prose .rtd-tray {
  position: absolute; top: 5%; left: 37%; width: 26%; height: 10%;
  border: 2px solid rgb(255 255 255 / 0.45); border-radius: 6px;
}
.av2-prose .rtd-shoe {
  position: absolute; top: 7%; right: 13%; width: 9%; height: 14%;
  background: rgb(255 255 255 / 0.18);
  border: 2px solid rgb(255 255 255 / 0.4);
  border-radius: 4px 10px 4px 4px;
}
.av2-prose .rtd-sign {
  position: absolute; top: 7%; left: 8%; width: 11%;
  background: #fff; color: var(--bji-navy-900);
  border-radius: 4px; padding: 2% 0;
  font-size: var(--bji-text-xs); font-weight: var(--bji-weight-bold);
  line-height: 1.15; text-align: center;
}
.av2-prose .rtd-arc {
  position: absolute; left: 0; right: 0; text-align: center;
  font-weight: var(--bji-weight-bold);
  letter-spacing: 0.18em;
  font-size: clamp(9px, 1.9vw, 14px);
}
.av2-prose .rtd-arc--pays { top: 36%; color: var(--bji-amber-500); }
.av2-prose .rtd-arc--ins { top: 52%; color: rgb(255 255 255 / 0.55); font-size: clamp(8px, 1.5vw, 11px); }
.av2-prose .rtd-circles {
  position: absolute; left: 12%; right: 12%; bottom: 14%;
  display: flex; justify-content: space-between;
}
.av2-prose .rtd-circles i {
  width: clamp(26px, 7%, 44px); aspect-ratio: 1;
  border: 2px solid rgb(255 255 255 / 0.55); border-radius: 50%;
}
.av2-prose .rtd-circles i:nth-child(1), .av2-prose .rtd-circles i:nth-child(5) { transform: translateY(-70%); }
.av2-prose .rtd-circles i:nth-child(2), .av2-prose .rtd-circles i:nth-child(4) { transform: translateY(-18%); }
.av2-prose .rtd-spot {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: var(--bji-navy-900);
  color: #fff;
  font-weight: var(--bji-weight-bold);
  font-size: var(--bji-text-sm);
  cursor: pointer;
  box-shadow: 0 2px 6px rgb(0 0 0 / 0.35);
  transition: transform var(--bji-duration-fast) var(--bji-ease), background var(--bji-duration-fast) var(--bji-ease);
}
.av2-prose .rtd-spot:hover { transform: translate(-50%, -50%) scale(1.12); }
.av2-prose .rtd-spot:focus-visible { outline: 2px solid var(--bji-amber-500); outline-offset: 2px; }
.av2-prose .rtd-spot.is-on { background: var(--bji-green-500); }
.av2-prose .rtd-panel {
  min-height: 4.2em;
  background: var(--bji-gray-050);
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-md);
  padding: var(--bji-space-3) var(--bji-space-4);
  font-size: var(--bji-text-sm);
}
.av2-prose .rtd-panel p { margin: 0; }
.av2-prose .rtd-panel .rtd-hint { color: var(--bji-text-faint); }
@media (max-width: 560px) {
  .av2-prose .rtd-stage { aspect-ratio: 4 / 3; }
  .av2-prose .rtd-sign { font-size: 9px; }
  .av2-prose .rtd-spot { width: 26px; height: 26px; font-size: var(--bji-text-xs); }
}

/* --- wave 2: interactive round demo (js/rules.js buildRoundDemo) ---
   Staged on the same felt vocabulary as the table diagram. All DOM is
   JS-built; the static #rround-static sequence is the no-JS fallback
   and is hidden by the script once the demo mounts. --- */
.av2-prose .rrd-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bji-space-2);
  list-style: none;
  counter-reset: rrdstep;
  margin: 0 0 var(--bji-space-3);
  padding: 0;
}
.av2-prose .rrd-steps li { counter-increment: rrdstep; margin: 0; padding: 0; }
.av2-prose .rrd-steps li button {
  display: inline-flex;
  align-items: center;
  font-size: var(--bji-text-xs);
  font-weight: var(--bji-weight-semibold);
  color: var(--bji-text-faint);
  background: var(--bji-surface);
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-pill);
  padding: 2px 10px 2px 6px;
  cursor: default;
}
.av2-prose .rrd-steps li button::before {
  content: counter(rrdstep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--bji-gray-100);
  color: var(--bji-text-muted);
  font-size: 10px;
}
.av2-prose .rrd-steps li button:not(:disabled) {
  cursor: pointer;
  color: var(--bji-text-muted);
  border-color: var(--bji-border-strong);
}
.av2-prose .rrd-steps li button:not(:disabled):hover { border-color: var(--bji-blue-500); color: var(--bji-navy-900); }
.av2-prose .rrd-steps li button:focus-visible { outline: 2px solid var(--bji-blue-500); outline-offset: 2px; }
.av2-prose .rrd-steps li.is-on button {
  color: #fff;
  background: var(--bji-navy-900);
  border-color: var(--bji-navy-900);
}
.av2-prose .rrd-steps li.is-on button::before { background: var(--bji-green-500); color: #fff; }
.av2-prose .rrd-steps li.is-skipped button { opacity: 0.55; text-decoration: line-through; }

/* JS visitors never see the static four-step fallback: the inline script in
   the template stamps html.rrd-js during parse, before the grid paints.
   No-JS leaves the class off and the grid renders; a demo build failure
   removes the class again (js/rules.js). */
html.rrd-js #rround-static { display: none; }

/* cards flying out of the shoe manage their own transition; keep the
   generic pop-in keyframe off them */
.av2-prose .rrd-stage .rcard.fly { animation: none; will-change: transform; }

.av2-prose .rrd-stage { position: relative; aspect-ratio: 5 / 3; margin: 0 0 var(--bji-space-3); }
.av2-prose .rrd-stage .rcard { width: 2.5rem; height: 3.6rem; font-size: var(--bji-text-base); }
.av2-prose .rrd-stage .rcard i { font-size: 1.05rem; }
.av2-prose .rrd-dealer {
  position: absolute; top: 9%; left: 0; right: 0;
  justify-content: center;
}
.av2-prose .rrd-hands {
  position: absolute; top: 46%; left: 0; right: 0;
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--bji-space-3) var(--bji-space-5);
}
.av2-prose .rrd-hand { justify-content: center; position: relative; padding: 6px; border-radius: var(--bji-radius-md); }
.av2-prose .rrd-hand.is-waiting { opacity: 0.45; }
.av2-prose .rrd-hand.is-done { opacity: 0.75; }
.av2-prose .rrd-hand.is-active { box-shadow: 0 0 0 2px var(--bji-green-500), 0 0 14px rgb(31 162 84 / 0.5); }
.av2-prose .rrd-handtag {
  flex-basis: 100%;
  text-align: center;
  font-size: var(--bji-text-xs);
  font-weight: var(--bji-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgb(255 255 255 / 0.75);
}
.av2-prose .rrd-hand.is-active .rrd-handtag { color: #7ce3a1; }
.av2-prose .rrd-circle {
  position: absolute; left: 50%; bottom: 5%;
  transform: translateX(-50%);
  width: 56px; height: 56px;
  border: 2px solid rgb(255 255 255 / 0.55);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.av2-prose .rrd-chip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  margin-left: -14px;
  border-radius: 50%;
  background: #c22a2a;
  border: 3px dashed #fff;
  box-shadow: 0 0 0 1px #a52222, 0 1px 4px rgb(0 0 0 / 0.4);
  color: #fff; font-weight: var(--bji-weight-bold); font-size: 10px;
  font-style: normal;
}
.av2-prose .rrd-chip:first-child { margin-left: 0; }
@media (prefers-reduced-motion: no-preference) {
  .av2-prose .rrd-stage .rcard { animation: rrd-deal 0.25s var(--bji-ease); }
  @keyframes rrd-deal { from { transform: translateY(-12px); opacity: 0; } to { transform: none; opacity: 1; } }
}

.av2-prose .rrd-log {
  min-height: 3.4em;
  background: var(--bji-gray-050);
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-md);
  padding: var(--bji-space-3) var(--bji-space-4);
  font-size: var(--bji-text-sm);
  margin: 0 0 var(--bji-space-3);
}
.av2-prose .rrd-log p { margin: 0; }
.av2-prose .rrd-controls { display: flex; flex-wrap: wrap; gap: var(--bji-space-2); margin: 0 0 var(--bji-space-2); }
.av2-prose .rrd-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  padding: 8px 14px;
  border: 1px solid var(--bji-border-strong);
  border-radius: var(--bji-radius-md);
  background: var(--bji-surface);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--bji-duration-fast) var(--bji-ease), transform var(--bji-duration-fast) var(--bji-ease);
}
.av2-prose .rrd-btn:hover:not(:disabled) { border-color: var(--bji-blue-500); transform: translateY(-1px); }
.av2-prose .rrd-btn:focus-visible { outline: 2px solid var(--bji-blue-500); outline-offset: 2px; }
.av2-prose .rrd-btn:disabled { opacity: 0.45; cursor: default; }
.av2-prose .rrd-btn b { font-size: var(--bji-text-sm); font-weight: var(--bji-weight-bold); color: var(--bji-navy-900); }
.av2-prose .rrd-btn span { font-size: var(--bji-text-xs); color: var(--bji-text-muted); }
.av2-prose .rrd-btn.is-primary { background: var(--bji-green-500); border-color: var(--bji-green-500); }
.av2-prose .rrd-btn.is-primary b, .av2-prose .rrd-btn.is-primary span { color: #fff; }
.av2-prose .rrd-note { margin: 0; font-size: var(--bji-text-xs); color: var(--bji-text-faint); }
@media (max-width: 560px) {
  .av2-prose .rrd-stage { aspect-ratio: 4 / 3; }
  .av2-prose .rrd-stage .rcard { width: 2.05rem; height: 3rem; font-size: var(--bji-text-sm); }
  .av2-prose .rrd-stage .rcard i { font-size: 0.85rem; }
  .av2-prose .rrd-circle { width: 44px; height: 44px; }
  .av2-prose .rrd-btn { flex: 1 1 44%; }
}

/* --- practice-tool cards (What's Next) --- */
.av2-prose .rules-tools { display: grid; grid-template-columns: 1fr 1fr; gap: var(--bji-space-4); margin: 0 0 var(--bji-space-4); }
@media (max-width: 640px) { .av2-prose .rules-tools { grid-template-columns: 1fr; } }
.av2-prose .rules-tool {
  display: block;
  background: var(--bji-surface);
  border: 1px solid var(--bji-border);
  border-radius: var(--bji-radius-lg);
  padding: var(--bji-space-4) var(--bji-space-5);
  text-decoration: none;
  transition: border-color var(--bji-duration-fast) var(--bji-ease), box-shadow var(--bji-duration-fast) var(--bji-ease);
}
.av2-prose .rules-tool:hover { border-color: var(--bji-blue-500); box-shadow: var(--bji-shadow-sm); text-decoration: none; }
.av2-prose .rules-tool .name { display: block; font-weight: var(--bji-weight-bold); color: var(--bji-link); margin-bottom: var(--bji-space-1); }
.av2-prose .rules-tool .desc { display: block; font-size: var(--bji-text-sm); color: var(--bji-text-muted); }