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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 16px;
  color: #222;
}

h2 {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 12px;
  color: #444;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  margin-bottom: 12px;
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 4px;
}

.form-group input {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: #4a90d9;
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

.btn-primary {
  width: 100%;
  background: #4a90d9;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 12px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: #357abd;
}

.summary-bar {
  background: #fff;
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: #555;
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.item-count {
  font-size: 0.85rem;
  color: #888;
}

.sort-buttons {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: #888;
}

.btn-sort {
  background: #eee;
  border: none;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-sort:hover,
.btn-sort.active {
  background: #4a90d9;
  color: #fff;
}

.product-item {
  background: #fff;
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  margin-bottom: 8px;
  border-left: 4px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.product-item.danger {
  border-left-color: #e74c3c;
  background: #fff8f8;
}

.product-item.warning {
  border-left-color: #f39c12;
  background: #fffaf0;
}

.product-item.good {
  border-left-color: #27ae60;
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-name {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-prices {
  font-size: 0.82rem;
  color: #777;
  margin-bottom: 6px;
}

.product-rates {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.rate-item {
  font-size: 0.85rem;
}

.rate-label {
  color: #888;
}

.rate-value {
  font-weight: bold;
  margin-left: 4px;
}

.rate-value.danger { color: #e74c3c; }
.rate-value.warning { color: #f39c12; }
.rate-value.good { color: #27ae60; }

.btn-delete {
  background: none;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.8rem;
  color: #aaa;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-delete:hover {
  background: #fee;
  border-color: #e74c3c;
  color: #e74c3c;
}

.empty-msg {
  text-align: center;
  color: #aaa;
  padding: 40px 0;
  font-size: 0.9rem;
}

.legend {
  margin-top: 8px;
  font-size: 0.8rem;
  color: #888;
  text-align: center;
}

.badge {
  font-size: 1rem;
}

.badge-danger { color: #e74c3c; }
.badge-warning { color: #f39c12; }

@media (max-width: 480px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .product-rates {
    gap: 8px;
  }
}