:root {
  --bg-main: #FAFAFA;
  --bg-secondary: #FFFFFF;

  --color-primary: #CA3884;
  --color-primary-hover: #A52C6B;
  --color-danger: #C93847;

  --text-primary: #080B12;
  --text-secondary: #374151;
  --text-tertiary: #9CA3AF;
  --border-color: #D1D5DB;

  --font-family: 'Inter', sans-serif;
}

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

body {
  background-color: var(--bg-main);
  font-family: var(--font-family);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 720px;
}

.app-header {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  padding-top: 20px;
}

.logo {
  height: 32px;
}

.navigation {
  margin-bottom: 16px;
}

.back-link {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.input-group input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-main);
  font-family: var(--font-family);
  font-size: 14px;
  outline: none;
}

.input-group input:focus {
  border-color: var(--color-primary);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-family);
  transition: background 0.2s;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.shopping-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list-item {
  background-color: var(--bg-secondary);
  padding: 16px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border-color);
  transition: border 0.2s;
}

.list-item:hover {
  border-color: var(--color-primary-hover);
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  height: 20px;
  width: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: inline-block;
  transition: all 0.2s;
}

.checkbox-container:hover input~.checkmark {
  border-color: var(--color-primary);
}

.checkbox-container input:checked~.checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 3L4.5 8.5L2 6' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.item-text {
  font-size: 14px;
  color: var(--text-secondary);
}

.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.delete-btn:hover {
  opacity: 1;
}

.alert-content {
  background-color: var(--color-danger);
  color: white;
  padding: 12px 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  margin-top: 24px;
  font-size: 14px;
  font-weight: 500;
  gap: .5rem;
}

.alert-content span {
  margin-right: auto;
}

.close-alert {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
}

.hidden {
  display: none;
}

@media (max-width: 480px) {
  .container {
    padding: 0 5px;
  }

  .input-group {
    flex-direction: column;
  }

  .btn-primary {
    width: 100%;
  }
}