:root {
  --espresso: #3E2723;
  --cream: #FFF8E1;
  --caramel: #D4A373;
  --foam: #FEFAE0;
  --mint: #81C784;
  --dark-roast: #1B1B1B;
  --mocha: #5D4037;
  --latte: #BCAAA4;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Fredoka', sans-serif;
  background: linear-gradient(135deg, var(--espresso) 0%, var(--mocha) 50%, var(--espresso) 100%);
  min-height: 100vh;
  color: var(--dark-roast);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.game-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.game-header {
  background: linear-gradient(180deg, var(--espresso) 0%, transparent 100%);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.game-header h1 {
  color: var(--foam);
  font-size: 1.5rem;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.prestige-badge {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: var(--espresso);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.header-right {
  text-align: right;
}

.money-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--caramel);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.income-rate {
  font-family: 'JetBrains Mono', monospace;
  color: var(--mint);
  font-size: 1rem;
}

/* Main game area */
.game-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .game-main {
    flex-direction: row;
    padding: 2rem;
  }
}

/* Cup section */
.cup-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 300px;
}

.coffee-cup {
  position: relative;
  cursor: pointer;
  transition: transform 0.1s ease;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
}

.coffee-cup:hover {
  transform: scale(1.05);
}

.coffee-cup.animating {
  animation: cupBounce 0.1s ease;
}

@keyframes cupBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(0.95); }
}

.cup-body {
  width: 160px;
  height: 140px;
  background: linear-gradient(135deg, #FFFFFF 0%, #E8E8E8 50%, #D0D0D0 100%);
  border-radius: 0 0 40px 40px;
  position: relative;
  overflow: hidden;
  border: 4px solid #CCCCCC;
}

.cup-coffee {
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 10px;
  height: 100px;
  background: linear-gradient(180deg, var(--latte) 0%, var(--mocha) 30%, var(--espresso) 100%);
  border-radius: 0 0 30px 30px;
}

.cup-art {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at 30% 30%, var(--cream) 0%, var(--latte) 50%, transparent 70%);
  border-radius: 50%;
  opacity: 0.8;
}

.cup-handle {
  position: absolute;
  right: -35px;
  top: 30px;
  width: 40px;
  height: 60px;
  border: 12px solid #CCCCCC;
  border-left: none;
  border-radius: 0 30px 30px 0;
  background: transparent;
}

.cup-steam {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 15px;
}

.cup-steam span {
  width: 8px;
  height: 40px;
  background: linear-gradient(to top, rgba(255,255,255,0.6), transparent);
  border-radius: 4px;
  animation: steam 2s ease-in-out infinite;
}

.cup-steam span:nth-child(2) {
  animation-delay: 0.3s;
  height: 50px;
}

.cup-steam span:nth-child(3) {
  animation-delay: 0.6s;
}

@keyframes steam {
  0%, 100% {
    opacity: 0.3;
    transform: translateY(0) scaleY(1);
  }
  50% {
    opacity: 0.8;
    transform: translateY(-10px) scaleY(1.2);
  }
}

.click-power {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  color: var(--foam);
  font-weight: 500;
}

.floating-number {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--caramel);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  pointer-events: none;
  z-index: 100;
}

/* Upgrades panel */
.upgrades-panel {
  flex: 1;
  background: var(--cream);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  max-height: 60vh;
}

@media (min-width: 768px) {
  .upgrades-panel {
    max-height: none;
    max-width: 400px;
  }
}

.tabs {
  display: flex;
  background: var(--espresso);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  flex: 1;
  min-width: fit-content;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: var(--latte);
  font-family: 'Fredoka', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab.active {
  background: var(--mocha);
  color: var(--foam);
}

.tab:hover:not(.active) {
  background: rgba(255,255,255,0.1);
}

.upgrades-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.upgrade-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--foam);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.upgrade-card.affordable {
  border-color: var(--mint);
  animation: pulse 2s ease-in-out infinite;
}

.upgrade-card.affordable:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(129, 199, 132, 0.3);
}

.upgrade-card.unaffordable {
  opacity: 0.6;
  cursor: not-allowed;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(129, 199, 132, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(129, 199, 132, 0); }
}

.upgrade-icon {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  border-radius: 10px;
}

.upgrade-info {
  flex: 1;
}

.upgrade-name {
  font-weight: 600;
  color: var(--espresso);
}

.upgrade-desc {
  font-size: 0.85rem;
  color: var(--mocha);
}

.upgrade-cost {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--caramel);
}

.upgrade-owned {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--espresso);
  color: var(--foam);
  border-radius: 50%;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

/* Achievements */
.achievements-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.achievement {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--foam);
  border-radius: 12px;
  transition: all 0.2s ease;
}

.achievement.locked {
  opacity: 0.5;
  filter: grayscale(1);
}

.achievement.unlocked {
  border: 2px solid var(--caramel);
}

.achievement-icon {
  font-size: 1.5rem;
  width: 40px;
  text-align: center;
}

.achievement-info {
  flex: 1;
}

.achievement-name {
  font-weight: 600;
  color: var(--espresso);
}

.achievement-desc {
  font-size: 0.8rem;
  color: var(--mocha);
}

/* Bottom bar */
.bottom-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(0,0,0,0.2);
  flex-wrap: wrap;
}

.bottom-bar button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 999px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.prestige-btn {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: var(--espresso);
  font-size: 1rem;
}

.prestige-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
}

.stats-btn, .sound-btn, .reset-btn {
  background: var(--mocha);
  color: var(--foam);
  width: 44px;
  height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.stats-btn:hover, .sound-btn:hover {
  background: var(--espresso);
}

.reset-btn:hover {
  background: #c62828;
}

/* Stats panel */
.stats-panel {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cream);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  z-index: 100;
  min-width: 280px;
}

.stats-panel h3 {
  color: var(--espresso);
  margin-bottom: 1rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--latte);
  font-size: 0.9rem;
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-row span:last-child {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--mocha);
}

/* Toasts */
.toasts-container {
  position: fixed;
  top: 100px;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 200;
}

.toast-notification {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--foam);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: slideIn 0.3s ease;
  font-weight: 500;
  color: var(--espresso);
}

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

.toast-icon {
  font-size: 1.5rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 1rem;
}

.modal-content {
  background: var(--cream);
  padding: 2rem;
  border-radius: 20px;
  max-width: 400px;
  text-align: center;
  animation: modalPop 0.3s ease;
}

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

.modal-content h2 {
  color: var(--espresso);
  margin-bottom: 1rem;
}

.modal-content p {
  color: var(--mocha);
  margin-bottom: 0.5rem;
}

.prestige-warning {
  background: rgba(255, 193, 7, 0.2);
  padding: 0.75rem;
  border-radius: 8px;
  margin: 1rem 0;
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.cancel-btn {
  flex: 1;
  padding: 0.75rem;
  background: var(--latte);
  border: none;
  border-radius: 10px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cancel-btn:hover {
  background: var(--mocha);
  color: var(--foam);
}

.prestige-confirm-btn {
  flex: 1;
  padding: 0.75rem;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  border: none;
  border-radius: 10px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.prestige-confirm-btn:hover {
  transform: scale(1.05);
}

.welcome-modal .offline-earnings {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--caramel);
  margin: 1.5rem 0;
}

/* Footer */
.game-footer {
  background: var(--espresso);
  padding: 1rem;
  text-align: center;
}

.game-footer a {
  color: var(--caramel);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.game-footer a:hover {
  color: var(--foam);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--cream);
}

::-webkit-scrollbar-thumb {
  background: var(--latte);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--mocha);
}