:root {
  --bg-warm: #fff8e1;
  --bg-cream: #fffde7;
  --brown-dark: #3e2723;
  --brown-medium: #5d4037;
  --brown-light: #8d6e63;
  --bear-brown: #a1887f;
  --shelf-bg: #efebe9;
  --gold: #ffc107;
  --gold-dark: #ff8f00;
  --green: #66bb6a;
  --green-dark: #43a047;
  --red: #ef5350;
  --red-dark: #e53935;
  --blue: #42a5f5;
  --blue-dark: #1e88e5;
  --orange: #ffa726;
  --pink: #f48fb1;
  --purple: #ce93d8;
  --white: #ffffff;
  --shadow: rgba(0, 0, 0, 0.12);
}

/* Reset and base font inherited from shared/variables.css */

body {
  background: var(--bg-warm);
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--brown-dark);
}

/* ===== SCREENS ===== */
.screen {
  display: none;
  min-height: 100vh;
}
.screen.active {
  display: flex;
  flex-direction: column;
}

/* ===== WELCOME SCREEN ===== */
#welcome {
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #ffe0b2 0%, #fff8e1 50%, #ffecb3 100%);
  text-align: center;
  padding: 20px;
  gap: 20px;
}

.welcome-bear {
  font-size: 120px;
  will-change: transform;
  animation: bearBounce 2s ease-in-out infinite;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
}

@keyframes bearBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.welcome-title {
  font-size: 42px;
  font-weight: 900;
  color: var(--brown-dark);
  text-shadow: 2px 2px 0 var(--gold);
  letter-spacing: 4px;
}

.welcome-subtitle {
  font-size: 18px;
  color: var(--brown-medium);
  margin-top: -8px;
}

.welcome-features {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 500px;
}

.feature-tag {
  background: var(--white);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 15px;
  box-shadow: 0 2px 8px var(--shadow);
}

.btn-start {
  background: linear-gradient(135deg, var(--gold), var(--orange));
  border: none;
  color: var(--white);
  font-size: 28px;
  font-weight: 800;
  padding: 18px 56px;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
  transition: all 0.2s;
  margin-top: 10px;
  letter-spacing: 2px;
}

.btn-start:active {
  transform: scale(0.95);
  box-shadow: 0 3px 10px rgba(255, 152, 0, 0.4);
}

/* ===== GAME SCREEN ===== */
#game {
  height: 100vh;
  overflow: hidden;
}

.game-header {
  background: linear-gradient(135deg, var(--brown-medium), var(--brown-dark));
  color: var(--white);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.store-name {
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-stats {
  display: flex;
  gap: 16px;
  font-size: 15px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.15);
  padding: 4px 12px;
  border-radius: 16px;
}

.stat-value {
  font-weight: 700;
  color: var(--gold);
}

.game-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== INVENTORY PANEL ===== */
.inventory-panel {
  width: 280px;
  background: var(--shelf-bg);
  border-right: 3px solid #d7ccc8;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.inventory-title {
  padding: 10px 14px;
  font-size: 16px;
  font-weight: 700;
  background: #d7ccc8;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.inventory-grid {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-content: start;
}

.toy-card {
  background: var(--white);
  border-radius: 12px;
  padding: 10px 8px;
  text-align: center;
  box-shadow: 0 2px 6px var(--shadow);
  transition: all 0.2s;
  position: relative;
}

.toy-card.out-of-stock {
  opacity: 0.4;
  filter: grayscale(0.5);
}

.toy-card.highlight {
  border: 3px solid var(--gold);
  box-shadow: 0 0 12px rgba(255, 193, 7, 0.4);
}

.toy-emoji {
  font-size: 32px;
}

.toy-name {
  font-size: 12px;
  font-weight: 600;
  margin: 4px 0 2px;
  color: var(--brown-dark);
}

.toy-price {
  font-size: 14px;
  font-weight: 800;
  color: var(--gold-dark);
}

.toy-stock {
  font-size: 11px;
  color: var(--brown-light);
  margin-top: 2px;
}

.stock-dots {
  display: flex;
  justify-content: center;
  gap: 3px;
  margin-top: 3px;
}

.stock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.stock-dot.empty {
  background: #e0e0e0;
}

.sold-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--red);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 8px;
}

/* ===== INTERACTION PANEL ===== */
.interaction-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #fff8e1 0%, #fffde7 100%);
  overflow: hidden;
}

.chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  display: flex;
  gap: 10px;
  animation: msgAppear 0.4s ease-out;
  max-width: 85%;
}

.chat-msg.customer {
  align-self: flex-start;
}
.chat-msg.bear {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-msg.system {
  align-self: center;
}

@keyframes msgAppear {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-avatar {
  font-size: 36px;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-bubble {
  padding: 10px 16px;
  border-radius: 16px;
  font-size: 16px;
  line-height: 1.5;
  box-shadow: 0 2px 6px var(--shadow);
}

.customer .chat-bubble {
  background: var(--white);
  border-bottom-left-radius: 4px;
}

.bear .chat-bubble {
  background: #e8f5e9;
  border-bottom-right-radius: 4px;
}

.system .chat-bubble {
  background: linear-gradient(135deg, #fff3e0, #ffe0b2);
  border-radius: 20px;
  font-size: 14px;
  padding: 8px 20px;
  font-weight: 600;
}

/* ===== TOY DISPLAY CARD ===== */
.toy-display {
  background: var(--white);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
  box-shadow: 0 4px 12px var(--shadow);
  margin: 4px 0;
  animation: cardPop 0.3s ease-out;
  align-self: center;
  min-width: 200px;
}

@keyframes cardPop {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.toy-display .toy-emoji {
  font-size: 56px;
}
.toy-display .toy-name {
  font-size: 18px;
  margin: 6px 0;
}
.toy-display .toy-price {
  font-size: 20px;
}
.toy-display .toy-stock {
  font-size: 14px;
}

/* ===== ACTION AREA ===== */
.action-area {
  padding: 12px 16px;
  background: var(--white);
  border-top: 2px solid #f5f5f5;
  flex-shrink: 0;
}

.price-setter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.price-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  font-size: 28px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.price-btn:active {
  transform: scale(0.9);
}

.price-btn.minus {
  background: linear-gradient(135deg, #ffcdd2, var(--red));
  color: white;
}

.price-btn.plus {
  background: linear-gradient(135deg, #c8e6c9, var(--green));
  color: white;
}

.price-display {
  font-size: 48px;
  font-weight: 900;
  color: var(--gold-dark);
  min-width: 100px;
  text-align: center;
}

.price-display small {
  font-size: 24px;
  font-weight: 600;
}

.price-hint {
  text-align: center;
  font-size: 13px;
  color: var(--brown-light);
  margin-bottom: 8px;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.action-btn {
  border: none;
  padding: 14px 24px;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.action-btn:active {
  transform: scale(0.96);
}

.action-btn.primary {
  background: linear-gradient(135deg, var(--gold), var(--orange));
  color: white;
  box-shadow: 0 3px 10px rgba(255, 152, 0, 0.3);
}

.action-btn.accept {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: white;
  box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}

.action-btn.reject {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: white;
  box-shadow: 0 3px 10px rgba(244, 67, 54, 0.3);
}

.action-btn.counter {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: white;
  box-shadow: 0 3px 10px rgba(33, 150, 243, 0.3);
}

.action-btn.secondary {
  background: #f5f5f5;
  color: var(--brown-medium);
}

.action-btn.next {
  background: linear-gradient(135deg, var(--purple), #ab47bc);
  color: white;
  box-shadow: 0 3px 10px rgba(171, 71, 188, 0.3);
}

.counter-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.counter-option {
  flex: 1;
  min-width: 80px;
  border: none;
  padding: 12px 8px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
  color: var(--blue-dark);
  transition: all 0.15s;
}

.counter-option:active {
  transform: scale(0.95);
}

/* ===== DEAL CELEBRATION ===== */
.deal-celebration {
  text-align: center;
  padding: 20px;
  animation: celebrate 0.5s ease-out;
}

@keyframes celebrate {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.deal-emoji {
  font-size: 72px;
}
.deal-text {
  font-size: 24px;
  font-weight: 800;
  margin: 10px 0;
}
.deal-amount {
  font-size: 36px;
  font-weight: 900;
  color: var(--gold-dark);
}

/* ===== CONFETTI ===== */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
}

.confetti-piece {
  position: absolute;
  top: -10px;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  will-change: transform, opacity;
  animation: confettiFall linear forwards;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* ===== COIN ANIMATION ===== */
.coin-fly {
  position: fixed;
  font-size: 32px;
  z-index: 99;
  pointer-events: none;
  will-change: transform, opacity;
  animation: coinFlyUp 1s ease-out forwards;
}

@keyframes coinFlyUp {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    transform: scale(1.3) translateY(-50px);
  }
  100% {
    opacity: 0;
    transform: scale(0.5) translateY(-120px);
  }
}

/* ===== CUSTOMER ENTER/EXIT ===== */
.customer-enter {
  animation: slideInRight 0.5s ease-out;
}
.customer-exit {
  animation: slideOutLeft 0.5s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutLeft {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(-100px);
    opacity: 0;
  }
}

/* ===== SUMMARY SCREEN ===== */
#summary {
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #e8f5e9 0%, #fff8e1 50%, #ffecb3 100%);
  text-align: center;
  padding: 20px;
  gap: 16px;
}

.summary-title {
  font-size: 32px;
  font-weight: 900;
  color: var(--brown-dark);
}

.summary-bear {
  font-size: 80px;
}

.summary-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 500px;
}

.summary-stat {
  background: var(--white);
  border-radius: 16px;
  padding: 16px 24px;
  box-shadow: 0 4px 12px var(--shadow);
  min-width: 140px;
}

.summary-stat-value {
  font-size: 32px;
  font-weight: 900;
  color: var(--gold-dark);
}

.summary-stat-label {
  font-size: 14px;
  color: var(--brown-light);
  margin-top: 4px;
}

.stars {
  font-size: 40px;
  letter-spacing: 8px;
  margin: 8px 0;
}

.star-label {
  font-size: 18px;
  font-weight: 700;
  color: var(--brown-medium);
}

.btn-restart {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border: none;
  color: white;
  font-size: 22px;
  font-weight: 800;
  padding: 16px 48px;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(76, 175, 80, 0.3);
  transition: all 0.2s;
  margin-top: 8px;
}

.btn-restart:active {
  transform: scale(0.95);
}

/* ===== RESTOCK MODAL ===== */
.restock-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.restock-modal {
  background: white;
  border-radius: 20px;
  padding: 24px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.restock-modal h3 {
  font-size: 22px;
  margin-bottom: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .inventory-panel {
    display: none;
  }

  .game-header {
    padding: 8px 12px;
  }

  .store-name {
    font-size: 18px;
  }
  .header-stats {
    gap: 8px;
    font-size: 13px;
  }

  .stat-item {
    padding: 3px 8px;
  }

  .welcome-bear {
    font-size: 80px;
  }
  .welcome-title {
    font-size: 32px;
  }

  .price-display {
    font-size: 40px;
  }
  .price-btn {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .action-btn {
    padding: 12px 20px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .welcome-title {
    font-size: 26px;
    letter-spacing: 2px;
  }
  .btn-start {
    font-size: 22px;
    padding: 14px 40px;
  }
}

/* ===== MOBILE INVENTORY BAR ===== */
.mobile-inventory-bar {
  display: none;
  overflow-x: auto;
  background: var(--shelf-bg);
  border-bottom: 2px solid #d7ccc8;
  padding: 6px 8px;
  gap: 6px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .mobile-inventory-bar {
    display: flex;
  }
}

.mobile-toy-chip {
  flex-shrink: 0;
  background: var(--white);
  border-radius: 10px;
  padding: 4px 10px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 1px 4px var(--shadow);
}

.mobile-toy-chip.out-of-stock {
  opacity: 0.35;
}
.mobile-toy-chip.highlight {
  border: 2px solid var(--gold);
  background: #fff8e1;
}

.mobile-toy-chip .chip-emoji {
  font-size: 18px;
}
.mobile-toy-chip .chip-stock {
  font-size: 11px;
  color: var(--brown-light);
}

/* idle prompt */
.idle-prompt {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  padding: 20px;
}

.idle-bear {
  font-size: 64px;
  animation: bearBounce 2s ease-in-out infinite;
}
.idle-text {
  font-size: 18px;
  color: var(--brown-light);
}

/* scrollbar */
.inventory-grid::-webkit-scrollbar,
.chat-area::-webkit-scrollbar {
  width: 6px;
}
.inventory-grid::-webkit-scrollbar-thumb,
.chat-area::-webkit-scrollbar-thumb {
  background: #d7ccc8;
  border-radius: 3px;
}

.no-deal-face {
  font-size: 64px;
  margin: 10px 0;
}