/* Balance — algebra scale game on /playground/balance/ */
/* Page colours come from the shared mv-biz tokens; scale colours are defined here */

.mv-bl {
  --bl-beam: #3d4a42;
  --bl-pan: #e4e9e3;
  --bl-x: #2f6fd0;
  --bl-x-fg: #ffffff;
  --bl-unit: #e3a82b;
  --bl-neg: #c4493a;
  --bl-gold: #e3a82b;
  --bl-warn: #b4432f;
}

[data-theme="myvillage-dark"] .mv-bl {
  --bl-beam: #9fb3a5;
  --bl-pan: #25302a;
  --bl-x: #5b94ec;
  --bl-x-fg: #0d1626;
  --bl-unit: #f2bb45;
  --bl-neg: #f08a74;
  --bl-gold: #f2bb45;
  --bl-warn: #f08a74;
}

.mv-bl__inner {
  max-width: 28rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1rem max(1rem, env(safe-area-inset-right, 0px))
    calc(2rem + env(safe-area-inset-bottom, 0px))
    max(1rem, env(safe-area-inset-left, 0px));
  color: var(--mv-biz-foreground);
}

.mv-bl__back {
  font-size: 0.875rem;
  color: var(--mv-biz-muted-fg);
  text-decoration: none;
}

.mv-bl__back:hover {
  color: var(--mv-biz-primary);
}

.mv-bl__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.75rem;
}

.mv-bl__brand {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 800;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--mv-biz-primary);
}

.mv-bl__kicker,
.mv-bl__builder p {
  margin: 0.3rem 0 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mv-biz-muted-fg);
}

.mv-bl__builder p {
  margin: 0;
}

.mv-bl__hud {
  display: flex;
  gap: 0.85rem;
  font-size: 0.75rem;
  color: var(--mv-biz-muted-fg);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.mv-bl__hud b {
  display: block;
  font-size: 1.1rem;
  color: var(--mv-biz-foreground);
}

.mv-bl__levels {
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.mv-bl__chip {
  flex: none;
  min-height: 2.5rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1.5px solid var(--mv-biz-border);
  background: var(--mv-biz-card);
  color: var(--mv-biz-foreground);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.mv-bl__chip[aria-pressed="true"] {
  background: var(--mv-biz-primary);
  border-color: var(--mv-biz-primary);
  color: var(--mv-biz-primary-fg);
}

.mv-bl__scale {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.85rem 0.75rem 0.6rem;
  border-radius: 16px;
  border: 1px solid var(--mv-biz-border);
  background: var(--mv-biz-card);
}

.mv-bl__pans {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  width: 100%;
}

.mv-bl__pan {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: flex-end;
  gap: 5px;
  min-height: 86px;
  padding: 10px 8px 14px;
  border-radius: 0 0 40px 40px;
  border-bottom: 4px solid var(--bl-beam);
  background: var(--bl-pan);
}

.mv-bl__beam {
  width: 92%;
  height: 6px;
  margin-top: 2px;
  border-radius: 3px;
  background: var(--bl-beam);
}

.mv-bl__post {
  width: 6px;
  height: 22px;
  background: var(--bl-beam);
}

.mv-bl__base {
  width: 70px;
  height: 8px;
  border-radius: 4px;
  background: var(--bl-beam);
}

.mv-bl__item {
  flex: none;
  display: grid;
  place-items: center;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
}

.mv-bl__item.is-x {
  min-width: 30px;
  height: 30px;
  padding: 0 6px;
  border-radius: 7px;
  background: var(--bl-x);
  color: var(--bl-x-fg);
}

.mv-bl__item.is-unit {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bl-unit);
  color: #2a2207;
}

.mv-bl__item.is-unit.is-neg {
  background: transparent;
  color: var(--bl-neg);
  box-shadow: inset 0 0 0 2.5px var(--bl-neg);
}

.mv-bl__item.is-count {
  padding: 0 2px;
  color: var(--mv-biz-muted-fg);
}

.mv-bl__eq {
  min-height: 2.25rem;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 1.6rem;
  font-weight: 600;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.mv-bl__eq.is-solved {
  color: var(--mv-biz-primary);
}

.mv-bl__history {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  text-align: center;
  color: var(--mv-biz-muted-fg);
}

.mv-bl__op {
  font-size: 0.75rem;
  color: var(--mv-biz-primary);
}

.mv-bl__status {
  min-height: 1.4rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--mv-biz-muted-fg);
}

.mv-bl__status.is-ok {
  color: var(--mv-biz-primary);
}

.mv-bl__status.is-bad {
  color: var(--bl-warn);
}

.mv-bl__builder {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.75rem;
  border-radius: 14px;
  border: 1px solid var(--mv-biz-border);
  background: var(--mv-biz-card);
}

.mv-bl__ops {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.mv-bl__amounts {
  display: grid;
  grid-template-columns: 4.5em minmax(0, 1fr);
  gap: 6px;
}

.mv-bl__key {
  min-height: 2.75rem;
  border-radius: 10px;
  border: 1.5px solid var(--mv-biz-border);
  background: var(--mv-biz-background);
  color: var(--mv-biz-foreground);
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
}

.mv-bl__key[aria-pressed="true"] {
  background: var(--mv-biz-primary);
  border-color: var(--mv-biz-primary);
  color: var(--mv-biz-primary-fg);
}

.mv-bl__key--x[aria-pressed="true"] {
  background: var(--bl-x);
  border-color: var(--bl-x);
  color: var(--bl-x-fg);
}

.mv-bl__key:disabled,
.mv-bl__amount:disabled {
  opacity: 0.35;
  cursor: default;
}

.mv-bl__amount {
  min-width: 0;
  width: 100%;
  min-height: 2.75rem;
  padding: 0 0.75rem;
  border-radius: 10px;
  border: 1.5px solid var(--mv-biz-border);
  background: var(--mv-biz-background);
  color: var(--mv-biz-foreground);
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 1.2rem;
  font-weight: 700;
}

.mv-bl__row {
  display: flex;
  gap: 0.5rem;
}

.mv-bl__btn {
  flex: 1;
  min-height: 3rem;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  border: 1.5px solid var(--mv-biz-border);
  background: transparent;
  color: var(--mv-biz-foreground);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.mv-bl__btn--primary {
  background: var(--mv-biz-primary);
  border-color: var(--mv-biz-primary);
  color: var(--mv-biz-primary-fg);
}

.mv-bl__btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.mv-bl__key:focus-visible,
.mv-bl__btn:focus-visible,
.mv-bl__chip:focus-visible,
.mv-bl__amount:focus-visible {
  outline: 3px solid var(--bl-gold);
  outline-offset: 2px;
}

.mv-bl__done {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 2px solid var(--bl-gold);
  background: var(--mv-biz-card);
}

.mv-bl__done h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.5rem;
}

.mv-bl__done p {
  margin: 0;
  color: var(--mv-biz-muted-fg);
}

.mv-bl__stars {
  font-size: 1.5rem;
  letter-spacing: 4px;
  color: var(--bl-gold);
}

.mv-bl__tip {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--mv-biz-muted-fg);
}