body {
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  background: #f4f6f5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 520px;
  margin: auto;
  padding: 16px;
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h1 {
  font-size: 20px;
  color: #043927;
}

/* SETTINGS BUTTON */
.settings-btn {
  background: #043927;
  color: white;
  border-radius: 50%;
  padding: 10px;
  border: none;
  cursor: pointer;
}

/* CARDS */
.card {
  background: white;
  padding: 14px;
  border-radius: 14px;
  margin-top: 14px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.05);
  animation: fadeIn 0.3s ease;
}

/* INPUTS */
select, input {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font-size: 15px;
}

/* BUTTONS */
button {
  margin-top: 10px;
  padding: 12px;
  border: none;
  background: #043927;
  color: white;
  border-radius: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover {
  transform: scale(1.02);
}

button.gold {
  background: #DFB74C;
  color: #043927;
}

/* CART */
.item {
  border-bottom: 1px solid #eee;
  padding: 12px 0;
  animation: slideUp 0.3s ease;
}

.item strong {
  display: block;
  font-size: 15px;
  color: #043927;
}

/* TOTALS */
.totals {
  font-size: 15px;
  line-height: 1.8;
}

.totals strong {
  color: #043927;
}

.totals h3 {
  margin-top: 10px;
}

/* SETTINGS PANEL */
.settings {
  background: white;
  padding: 14px;
  border-radius: 12px;
  margin-top: 10px;
  animation: fadeIn 0.3s ease;
}

.hidden {
  display: none;
}

/* BUTTON GROUP */
.btns {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.btns button {
  flex: 1;
}

/* ANIMATIONS */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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