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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, #0f2b3d 0%, #1a4a6e 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.atm-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.atm-machine {
  background: #2c3e50;
  border-radius: 48px;
  padding: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.atm-header {
  background: #1a252f;
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.atm-header i {
  font-size: 1.4rem;
  color: #ffd966;
}

.atm-screen {
  background: #e8f0f5;
  border-radius: 24px;
  padding: 1.8rem;
  min-height: 350px;
  margin-bottom: 1.5rem;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05), 0 4px 12px rgba(0, 0, 0, 0.1);
}

.screen-content {
  text-align: center;
}

.welcome-screen h2 {
  margin: 1rem 0 0.5rem;
  color: #0f2b3d;
}

.welcome-screen p {
  color: #2c475c;
  margin-bottom: 1rem;
}

.pin-input-area {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.pin-field {
  padding: 0.8rem;
  font-size: 1.5rem;
  text-align: center;
  width: 100px;
  border: 2px solid #cbd5e1;
  border-radius: 16px;
  font-family: monospace;
  letter-spacing: 4px;
}

.atm-btn-primary {
  background: #2c7da0;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

.atm-btn-primary:hover {
  background: #1e5a74;
  transform: scale(1.02);
}

.demo-hint {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 1rem;
}

/* Dashboard Styles */
.balance-display {
  background: white;
  padding: 1.5rem;
  border-radius: 24px;
  margin: 1rem 0;
}

.balance-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: #2c7da0;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.dash-btn {
  background: white;
  border: 2px solid #2c7da0;
  padding: 1rem;
  border-radius: 20px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.dash-btn:hover {
  background: #2c7da0;
  color: white;
}

.transaction-history {
  max-height: 200px;
  overflow-y: auto;
  text-align: left;
  background: white;
  border-radius: 16px;
  padding: 0.8rem;
}

.history-item {
  padding: 0.5rem;
  border-bottom: 1px solid #e2edf2;
  font-size: 0.85rem;
}

.amount-input {
  padding: 0.8rem;
  font-size: 1.2rem;
  border: 2px solid #cbd5e1;
  border-radius: 16px;
  width: 150px;
  text-align: center;
  margin: 1rem auto;
}

/* Keypad Styles */
.atm-keypad {
  background: #1e2a36;
  border-radius: 28px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.keypad-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.key-btn {
  width: 70px;
  height: 60px;
  font-size: 1.5rem;
  font-weight: 700;
  border: none;
  border-radius: 20px;
  background: #2c3e50;
  color: white;
  cursor: pointer;
  transition: 0.1s;
}

.key-btn:active {
  transform: scale(0.95);
  background: #2c7da0;
}

.clear-btn, .enter-btn {
  background: #ff8c42;
}

.atm-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.action-btn {
  background: #ffd966;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

.action-btn:hover {
  background: #ffc107;
}

.atm-footer {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  color: #8aa0b0;
  font-size: 0.7rem;
}

@media (max-width: 560px) {
  .atm-machine {
    padding: 1rem;
  }
  .key-btn {
    width: 55px;
    height: 50px;
  }
}