:root {
  --game-teal: #007f69;
  --game-teal-dark: #005c50;
  --game-mint: #dff7ef;
  --game-ink: #153d47;
  --game-gold: #e9a23b;
  --game-red: #c2413a;
}

.game-page {
  background: #f3f7f7;
}

.game-hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 35%, rgba(255,255,255,.12) 0 7%, transparent 7.5%),
    radial-gradient(circle at 86% 44%, rgba(255,255,255,.08) 0 13%, transparent 13.5%),
    linear-gradient(135deg, var(--navy) 0%, #005466 55%, var(--game-teal) 100%);
  color: var(--white);
}

.game-hero-inner {
  max-width: 1120px;
  min-height: 260px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 2.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.game-hero .breadcrumb {
  margin-bottom: 1.4rem;
}

.game-eyebrow,
.game-kicker {
  display: block;
  color: var(--game-teal);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.game-hero .game-eyebrow {
  margin-bottom: .45rem;
  color: #9af3d8;
}

.game-hero h1 {
  max-width: 720px;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.game-hero p {
  max-width: 660px;
  margin-top: .85rem;
  color: rgba(255,255,255,.82);
  font-size: 1.05rem;
}

.game-hero-badge {
  width: 148px;
  height: 148px;
  flex: 0 0 148px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 34px;
  background: rgba(255,255,255,.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 24px 60px rgba(0,0,0,.18);
  display: flex;
  align-items: baseline;
  justify-content: center;
  transform: rotate(4deg);
}

.game-hero-badge span {
  font-size: 3.6rem;
  font-weight: 850;
}

.game-hero-badge strong {
  color: #9af3d8;
  font-size: 4.5rem;
  line-height: 1;
}

.game-container {
  max-width: 1120px;
  min-height: 60vh;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.game-section {
  animation: gameFade .25s ease-out;
}

.game-section[hidden] {
  display: none;
}

@keyframes gameFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.game-intro-heading {
  max-width: 760px;
}

.game-intro-heading h2,
.debrief-hero h2 {
  margin-top: .2rem;
  color: var(--navy);
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  letter-spacing: -.02em;
  line-height: 1.2;
}

.game-intro-heading > p,
.debrief-hero > p {
  margin-top: .65rem;
  color: var(--gray-700);
  font-size: .98rem;
}

.game-how-grid {
  margin: 1.75rem 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.game-how-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid #d8e5e5;
  border-radius: 10px;
  background: rgba(255,255,255,.68);
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}

.game-how-number {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  font-weight: 800;
}

.game-how-card strong {
  color: var(--navy);
  font-size: .9rem;
}

.game-how-card p {
  margin-top: .15rem;
  color: var(--gray-500);
  font-size: .8rem;
  line-height: 1.45;
}

.scenario-card {
  overflow: hidden;
  border: 1px solid #b8ddd5;
  border-radius: 16px;
  background: var(--white);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(340px, .9fr);
}

.scenario-copy {
  padding: 1.75rem 2rem;
}

.scenario-copy h3 {
  margin-top: .2rem;
  color: var(--navy);
  font-size: 1.45rem;
}

.scenario-copy > p {
  margin-top: .45rem;
  color: var(--gray-700);
  font-size: .92rem;
}

.scenario-mission {
  margin-top: 1.15rem;
  padding: .8rem 1rem;
  border-left: 4px solid var(--game-teal);
  border-radius: 4px 8px 8px 4px;
  background: #ecfdf5;
}

.scenario-mission strong,
.scenario-mission span {
  display: block;
}

.scenario-mission strong {
  color: var(--game-teal-dark);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.scenario-mission span {
  margin-top: .18rem;
  color: var(--gray-700);
  font-size: .84rem;
}

.economics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: linear-gradient(145deg, var(--navy), #004d5a);
  color: var(--white);
}

.economics-grid > div {
  padding: 1.6rem .85rem;
  border-left: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.economics-grid dt {
  color: rgba(255,255,255,.66);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.economics-grid dd {
  margin-top: .2rem;
  color: #a7f3d0;
  font-size: 1.7rem;
  font-weight: 850;
}

.economics-grid dd sub {
  font-size: .5em;
}

.economics-grid span {
  color: rgba(255,255,255,.6);
  font-size: .68rem;
}

.game-start-row,
.debrief-actions {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.game-start-row p {
  color: var(--gray-500);
  font-size: .82rem;
}

.game-primary-btn,
.game-secondary-btn {
  min-height: 46px;
  border-radius: 9px;
  padding: .7rem 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-size: .88rem;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
}

.game-primary-btn {
  border: 1px solid var(--game-teal);
  background: var(--game-teal);
  color: var(--white);
  box-shadow: 0 5px 14px rgba(0,127,105,.18);
}

.game-primary-btn:hover {
  background: var(--game-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,127,105,.22);
}

.game-primary-btn:disabled {
  cursor: not-allowed;
  opacity: .55;
  transform: none;
}

.game-secondary-btn {
  border: 1px solid #aabfc2;
  background: var(--white);
  color: var(--navy);
}

.game-secondary-btn:hover {
  border-color: var(--game-teal);
  background: #f0fdfa;
}

.score-strip {
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid #d6e3e4;
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr auto auto;
}

.score-progress,
.score-stat {
  padding: .9rem 1.15rem;
}

.score-progress {
  min-width: 0;
}

.score-progress > span,
.score-stat span {
  display: block;
  color: var(--gray-500);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.round-progress {
  max-width: 360px;
  height: 6px;
  margin-top: .55rem;
  overflow: hidden;
  border-radius: 999px;
  background: #e4ecec;
}

.round-progress span {
  display: block;
  width: 12.5%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--game-teal), #21b99a);
  transition: width .25s ease;
}

.score-stat {
  min-width: 150px;
  border-left: 1px solid var(--gray-200);
}

.score-stat strong {
  display: block;
  margin-top: .08rem;
  color: var(--navy);
  font-size: 1.2rem;
}

.game-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.decision-card,
.round-result,
.history-card,
.formula-debrief,
.lesson-debrief {
  border: 1px solid #d6e3e4;
  border-radius: 14px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.decision-card,
.round-result {
  min-height: 460px;
  padding: 1.5rem;
}

.decision-card h2,
.round-result h2,
.history-card h2 {
  margin-top: .18rem;
  color: var(--navy);
  font-size: 1.3rem;
  line-height: 1.3;
}

.decision-reminder,
.result-heading > p {
  margin-top: .35rem;
  color: var(--gray-500);
  font-size: .84rem;
}

.round-change-chip {
  margin-top: .65rem;
  border-radius: 999px;
  padding: .24rem .62rem;
  background: #e6f6f2;
  color: var(--game-teal-dark);
  display: inline-flex;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .025em;
}

.round-brief-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  overflow: hidden;
  border: 1px solid #d9e6e6;
  border-radius: 9px;
  background: #f6fafa;
}

.round-brief-grid > div {
  min-width: 0;
  padding: .62rem .45rem;
  border-left: 1px solid #d9e6e6;
  text-align: center;
}

.round-brief-grid > div:first-child {
  border-left: 0;
}

.round-brief-grid > div.brief-changed {
  background: #fff8e8;
  box-shadow: inset 0 3px 0 var(--game-gold);
}

.round-brief-grid > div.brief-changed dt::after {
  content: "changed";
  margin-top: .08rem;
  color: #a6630a;
  display: block;
  font-size: .5rem;
  letter-spacing: .03em;
}

.round-brief-grid dt {
  color: var(--gray-500);
  font-size: .58rem;
  font-weight: 750;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.round-brief-grid dd {
  margin-top: .06rem;
  color: var(--navy);
  font-size: .98rem;
  font-weight: 850;
}

.prediction-fieldset {
  min-width: 0;
  margin-top: 1.15rem;
  border: 1px solid #c9dddd;
  border-radius: 10px;
  padding: .85rem;
  background: #f8fbfb;
}

.prediction-fieldset legend {
  max-width: 100%;
  padding: 0 .35rem;
  color: var(--navy);
  font-size: .81rem;
  font-weight: 760;
  line-height: 1.45;
}

.prediction-options {
  margin-top: .35rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .45rem;
}

.prediction-options label {
  min-width: 0;
  min-height: 42px;
  border: 1px solid #c4d4d5;
  border-radius: 8px;
  padding: .5rem .55rem;
  background: var(--white);
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  font-weight: 700;
  cursor: pointer;
}

.prediction-options label:has(input:checked) {
  border-color: var(--game-teal);
  background: #e6f6f2;
  color: var(--game-teal-dark);
  box-shadow: 0 0 0 2px rgba(0,127,105,.09);
}

.prediction-options input {
  flex: 0 0 auto;
  accent-color: var(--game-teal);
}

.prediction-error {
  margin-bottom: -.25rem;
}

.quantity-control {
  margin: 1.5rem 0 1rem;
}

.quantity-control > label {
  display: block;
  margin-bottom: .65rem;
  color: var(--navy);
  font-size: .85rem;
  font-weight: 750;
}

.quantity-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 1rem;
  align-items: center;
}

#order-slider {
  width: 100%;
  accent-color: var(--game-teal);
  cursor: pointer;
}

.quantity-number-wrap {
  height: 48px;
  overflow: hidden;
  border: 1.5px solid #aabfc2;
  border-radius: 9px;
  background: var(--white);
  display: flex;
  align-items: stretch;
}

.quantity-number-wrap:focus-within {
  border-color: var(--game-teal);
  box-shadow: 0 0 0 3px rgba(0,127,105,.12);
}

.quantity-number-wrap input {
  min-width: 0;
  width: 72px;
  border: 0;
  padding: 0 0 0 .8rem;
  color: var(--navy);
  background: transparent;
  font: inherit;
  font-size: 1.1rem;
  font-weight: 800;
  outline: 0;
}

.quantity-number-wrap span {
  padding-right: .65rem;
  align-self: center;
  color: var(--gray-500);
  font-size: .7rem;
}

.range-labels {
  margin-top: .25rem;
  display: flex;
  justify-content: space-between;
  color: var(--gray-500);
  font-size: .65rem;
}

.input-error {
  min-height: 1.2em;
  margin-top: .3rem;
  color: var(--game-red);
  font-size: .75rem;
}

.game-order-btn {
  width: 100%;
}

.decision-hint {
  margin-top: 1.15rem;
  border-top: 1px solid var(--gray-200);
  padding-top: .85rem;
}

.decision-hint summary {
  color: var(--game-teal-dark);
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
}

.decision-hint > div {
  margin-top: .65rem;
  padding: .8rem .9rem;
  border-radius: 8px;
  background: #f0fdfa;
  color: var(--gray-700);
  font-size: .78rem;
}

.decision-hint p + p {
  margin-top: .35rem;
}

.round-result {
  border-color: #a7d8cb;
}

.quantity-visual {
  margin: 1.15rem 0;
  padding: .9rem;
  border-radius: 9px;
  background: #f3f7f7;
}

.quantity-visual-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 34px;
  gap: .6rem;
  align-items: center;
  font-size: .75rem;
}

.quantity-visual-row + .quantity-visual-row {
  margin-top: .65rem;
}

.quantity-visual-row > span {
  color: var(--gray-500);
  font-weight: 650;
}

.quantity-track {
  height: 14px;
  overflow: hidden;
  border-radius: 4px;
  background: #dbe5e5;
}

.quantity-fill {
  display: block;
  min-width: 2px;
  height: 100%;
  border-radius: inherit;
  transition: width .35s ease;
}

.ordered-fill {
  background: var(--game-gold);
}

.demand-fill {
  background: var(--game-teal);
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: 9px;
}

.outcome-grid > div {
  padding: .75rem .6rem;
  border-left: 1px solid var(--gray-200);
  text-align: center;
}

.outcome-grid > div:first-child {
  border-left: 0;
}

.outcome-grid dt {
  color: var(--gray-500);
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
}

.outcome-grid dd {
  margin-top: .08rem;
  color: var(--navy);
  font-size: 1.1rem;
  font-weight: 850;
}

.outcome-grid .profit-outcome {
  background: #ecfdf5;
}

.profit-equation {
  margin: .85rem 0 .55rem;
  padding: .65rem .75rem;
  border-radius: 7px;
  background: var(--navy);
  color: rgba(255,255,255,.82);
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: .7rem;
  line-height: 1.5;
}

.round-benchmark {
  margin-bottom: .85rem;
  padding: .62rem .75rem;
  border: 1px solid #b8ddd5;
  border-radius: 7px;
  background: #ecfdf5;
  color: var(--game-teal-dark);
  font-size: .74rem;
  line-height: 1.45;
}

.prediction-result {
  margin-bottom: .55rem;
  padding: .68rem .75rem;
  border: 1px solid;
  border-radius: 7px;
  font-size: .74rem;
  line-height: 1.5;
}

.prediction-result.correct {
  border-color: #9ad8c8;
  background: #eefbf6;
  color: #145c4c;
}

.prediction-result.review {
  border-color: #f1cf87;
  background: #fffbeb;
  color: #81510c;
}

.prediction-result strong {
  color: var(--navy);
}

.round-benchmark strong {
  color: var(--navy);
}

.round-result .game-primary-btn {
  width: 100%;
}

.history-card {
  margin-top: 1rem;
  padding: 1.25rem 1.4rem;
}

.history-table-wrap {
  margin-top: .8rem;
  overflow-x: auto;
}

.history-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}

.history-card th,
.history-card td {
  padding: .55rem .7rem;
  border-bottom: 1px solid var(--gray-100);
  text-align: left;
  white-space: nowrap;
}

.history-card th {
  color: var(--gray-500);
  font-size: .65rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.history-card td:last-child,
.history-card th:last-child {
  text-align: right;
}

.history-empty td {
  color: var(--gray-500);
  text-align: center !important;
  white-space: normal;
}

.outcome-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: .18rem .5rem;
  font-size: .68rem;
  font-weight: 700;
}

.outcome-pill.leftover {
  background: #fff7ed;
  color: #9a3412;
}

.outcome-pill.stockout {
  background: #fef2f2;
  color: #991b1b;
}

.outcome-pill.exact {
  background: #ecfdf5;
  color: #166534;
}

.debrief-hero {
  max-width: 760px;
}

.debrief-score-grid {
  margin: 1.5rem 0 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.replay-comparison-note {
  margin: -.15rem 0 1.35rem;
  color: var(--gray-500);
  font-size: .78rem;
  line-height: 1.5;
  text-align: center;
}

.replay-comparison-note strong {
  color: var(--navy);
}

.debrief-score-card {
  padding: 1.25rem;
  border: 1px solid #d6e3e4;
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.debrief-score-card.player-score {
  border-color: #8cd6c4;
  background: linear-gradient(145deg, #ecfdf5, #ffffff);
}

.debrief-score-card span,
.debrief-score-card small {
  display: block;
}

.debrief-score-card span {
  color: var(--gray-500);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.debrief-score-card strong {
  display: block;
  margin: .15rem 0;
  color: var(--navy);
  font-size: 1.65rem;
}

.debrief-score-card small {
  color: var(--gray-500);
  font-size: .72rem;
}

.debrief-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 1rem;
}

.formula-debrief,
.lesson-debrief {
  min-width: 0;
  padding: 1.4rem;
}

.formula-debrief h3,
.lesson-debrief h3 {
  margin-top: .15rem;
  color: var(--navy);
  font-size: 1.15rem;
}

.debrief-steps {
  margin-top: 1rem;
  display: grid;
  gap: .55rem;
}

.debrief-steps > div {
  display: flex;
  align-items: center;
  gap: .7rem;
}

.debrief-steps span {
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  border-radius: 7px;
  background: var(--navy);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 800;
}

.debrief-steps p {
  color: var(--gray-700);
  font-size: .82rem;
}

.policy-table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
}

.table-scroll-hint {
  display: none;
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .72rem;
}

.policy-table th,
.policy-table td {
  padding: .45rem .5rem;
  border-bottom: 1px solid var(--gray-100);
  text-align: right;
  white-space: nowrap;
}

.policy-table th:first-child,
.policy-table td:first-child {
  text-align: left;
}

.policy-table th {
  color: var(--gray-500);
  font-size: .61rem;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.policy-table td:last-child {
  color: var(--game-teal-dark);
  font-weight: 800;
}

.prediction-table-status {
  font-weight: 750;
}

.prediction-table-status.correct {
  color: #14735e;
}

.prediction-table-status.review {
  color: #9a670e;
}

.lesson-debrief {
  background: linear-gradient(145deg, #ffffff, #f0fdfa);
}

.lesson-debrief ul {
  margin: .8rem 0 0 1.1rem;
  color: var(--gray-700);
  font-size: .82rem;
}

.lesson-debrief li + li {
  margin-top: .45rem;
}

@media (max-width: 900px) {
  .scenario-card {
    grid-template-columns: 1fr;
  }

  .economics-grid {
    min-height: 145px;
  }

  .game-board,
  .debrief-grid {
    grid-template-columns: 1fr;
  }

  .decision-card,
  .round-result {
    min-height: 0;
  }

  .debrief-score-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .game-hero-inner {
    min-height: 225px;
    padding-top: 2rem;
  }

  .game-hero-badge {
    display: none;
  }

  .game-hero p {
    font-size: .9rem;
  }

  .game-container {
    padding: 1.5rem 1rem 3.5rem;
  }

  .game-how-grid {
    grid-template-columns: 1fr;
    gap: .6rem;
  }

  .scenario-copy {
    padding: 1.3rem;
  }

  .economics-grid > div {
    padding: 1.1rem .5rem;
  }

  .game-start-row,
  .debrief-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .game-start-row .game-primary-btn,
  .debrief-actions > * {
    width: 100%;
  }

  .score-strip {
    grid-template-columns: 1fr 1fr;
  }

  .score-progress {
    grid-column: 1 / -1;
    border-bottom: 1px solid var(--gray-200);
  }

  .score-stat {
    min-width: 0;
    border-left: 0;
  }

  .score-stat + .score-stat {
    border-left: 1px solid var(--gray-200);
  }

  .decision-card,
  .round-result,
  .history-card {
    padding: 1.15rem;
  }

  .quantity-input-row {
    grid-template-columns: 1fr 104px;
  }

  .prediction-options {
    gap: .35rem;
  }

  .prediction-options label {
    padding: .45rem .38rem;
    font-size: .66rem;
  }

  .table-scroll-hint {
    margin: .85rem 0 -.55rem;
    color: var(--gray-500);
    display: block;
    font-size: .68rem;
  }

  .round-brief-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .round-brief-grid > div {
    grid-column: span 2;
  }

  .round-brief-grid > div:nth-child(4) {
    grid-column: span 3;
    border-left: 0;
    border-top: 1px solid #d9e6e6;
  }

  .round-brief-grid > div:nth-child(5) {
    grid-column: span 3;
    border-top: 1px solid #d9e6e6;
  }

  .quantity-number-wrap input {
    width: 63px;
  }

  .outcome-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .outcome-grid > div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--gray-200);
  }

  .outcome-grid > div:nth-child(4) {
    border-top: 1px solid var(--gray-200);
  }
}

@media (prefers-reduced-motion: reduce) {
  .game-section,
  .quantity-fill {
    animation: none;
    transition: none;
  }
}