:root {
  /* Typography */
  --font-family-base: 'Helvetica', sans-serif;
  --font-family-heading: 'Helvetica', sans-serif;
  --font-family-work-sans: 'Work Sans', sans-serif;
  --font-weight-regular: 400;
  --font-weight-bold: 700;
  --font-weight-extra-bold: 800;

  /* Font sizes */
  --font-size-body: 16px;
  --font-size-xs: 12px;
  --font-size-small: 14px;
  --font-size-button: 16px;
  --font-size-h3: 24px;
  --font-size-h2: 36px;
  --font-size-h1: 64px;
  --font-size-form: 16px;
  --font-size-helper: 14px;

  /* Line heights */
  --line-height-normal: 1.5;
  --letter-spacing-wide: 1px;

  /* Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-TC-black: #1b1b1b;
  --color-primary: #145840;
  --color-secondary: #B57BA6;
  --color-highlight: #f26a6a;
  --color-accent: #e4c9d8;
  --color-gray-light: #ebdce2;
  --color-gray-dark: #555555;
  --color-light-slate: #8c8ca1;
  --color-beige: #f2efeb;
  --color-light-cloud: #f5f7f9;
  --color-red-error: #fa461d;
  --color-yellow-warning: #ffbb00;
  --color-green-success: #ed489e;

  /* Form Colors */
  --form-background-default: #ecf1f4;
  --form-text: #0e0e2c;
  --form-placeholder-text: var(--color-light-slate);
  --form-border-active: #4e97ff;
  --form-border-valid: #31d0aa;
  --form-border-error: #ed4b9e;
  --form-border-default: transparent;
  --form-bg-disabled: #f0f2f5;
  --form-text-disabled: var(--color-light-slate);
  --form-icon-disabled: var(--color-light-slate);
  --form-label-text: #0e0e2c;
  --form-helper-text: var(--color-light-slate);

  /* Button Styles */
  --button-primary-bg: var(--color-primary);
  --button-primary-text: var(--color-white);
  --button-secondary-bg: var(--color-primary);
  --button-secondary-bg-transparency: 0.1;
  --button-secondary-text: var(--color-primary);
  --button-tertiary-bg: var(--color-white);
  --button-tertiary-text: var(--color-primary);
  --button-tertiary-border: var(--color-primary);
  --button-tertiary-border-transparency: 0.1;
  --button-link-text: var(--color-gray-dark);
  --button-disabled-bg: var(--color-gray-dark);
  --button-disabled-text: var(--color-white);
  --interactive-tag-bg: var(--color-white);
  --interactive-tag-border: #9b9b9b;
  --interactive-tag-text: #222222;
  --interactive-tag-active-bg: var(--color-highlight);
  --interactive-tag-active-bg-transparency: 0.1;
  --interactive-tag-active-text: var(--color-highlight);
  --interactive-tag-active-border: var(--color-highlight);
  --tag-bg: var(--color-highlight);
  --tag-text: var(--color-white);
  --save-item-tag-bg: #f2efeb;
  --save-item-tag-bg-transparency: 0.8;
  --save-item-tag-text: #000000;
  --search-box-bg: #f8f8f8;
  --search-box-border: #e6e8ec;
  --search-box-text: var(--color-gray-dark);
  --toggle-checkbox-active-bg: var(--color-highlight);
  --toggle-checkbox-active-text: var(--color-white);
  --toggle-checkbox-inactive-bg: var(--color-white);

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 40px;
  --spacing-2xl: 48px;
  --spacing-3xl: 56px;
  --spacing-4xl: 64px;

  /* Specific Component Border Radius */
  --button-radius: 8px;
  --tag-circle-radius: 20px;
  --save-item-tag-radius: 20px;
  --toggle-radius: 24px;
  --checkbox-radius: 40px;

  /* Borders */
  --border-width-sm: 1px;
  --border-width-md: 2px;
  --border-width-lg: 3px;
  --border-width-xl: 4px;

  /* Transitions */
  --transition-fast: 0.2s;
  --transition-normal: 0.3s;

  /* Effects */
  --box-shadow-normal: 0 2px 4px rgba(0, 0, 0, 0.1);
  --box-shadow-active: 0 0 0 3px rgba(61, 138, 247, 0.25);
  --box-shadow-valid: 0 0 0 3px rgba(44, 197, 111, 0.25);
  --box-shadow-error: 0 0 0 3px rgba(255, 105, 120, 0.25);

  /* Layouts */
  --navbar-height: 60px;
  --button-height-primary: 48px;
  --button-height-secondary: 48px;
  --button-height-tertiary: 48px;
  --button-height-link: 48px;
  --button-height-disabled: 40px;
  --interactive-tag-height: 40px;
  --tag-height: 33px;
  --save-item-tag-height: 50.64px;
  --save-item-tag-width: 74.69px;
  --search-box-height: 52px;
  --form-field-height: 48px;
  --form-field-padding: 16px;
  --z-index-navbar: 600;
  --z-index-dropdown: 1200;
  --z-index-overlay: 1300;
  --z-index-higher: 2000;

  /* Form Elements */
  --input-height: 40px;
  --input-radius: 8px;
  --textarea-min-height: 120px;
}

body {
  background-color: var(--color-light-cloud);
}

.btn-primary {
  background-color: var(--button-primary-bg) !important;
  color: var(--button-primary-text) !important;
  border-radius: var(--button-radius) !important;
  height: var(--button-height-primary) !important;
  padding: var(--spacing-xs) var(--spacing-sm) !important;
  font-size: var(--font-size-button) !important;
  font-weight: var(--font-weight-bold) !important;
  border: none !important;
  text-transform: uppercase !important;
  text-decoration: none !important;
}

.btn-primary:hover {
  background-color: var(--button-primary-bg) !important;
  color: var(--button-primary-text) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25) !important;
  text-decoration: none !important;
}

.btn-secondary {
  background-color: rgba(20, 88, 64, 0.1) !important; /* TC green with 10% opacity */
  height: var(--button-height-secondary) !important;
  color: var(--button-secondary-text) !important;
  border-radius: var(--button-radius) !important;
  font-size: var(--font-size-button) !important;
  font-weight: var(--font-weight-bold) !important;
  text-transform: uppercase !important;
  border: 2px solid transparent !important;
  text-decoration: none !important;
}

.btn-secondary:hover {
  background-color: rgba(20, 88, 64, 0.1) !important;
  border: 2px solid #145840 !important;
  color: var(--button-secondary-text) !important;
  text-decoration: none !important;
}

.btn-link {
  background: none;
  border: none;
  color: var(--button-link-text);
  text-decoration: underline;
  cursor: pointer;
  margin-top: var(--spacing-sm);
}

/* Sort radio button style */
.sort-radio {
  position: relative;
  width: 28px;
  height: 28px;
  border: 1px solid #555555;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sort-radio.selected {
  position: relative;
  width: 28px;
  height: 28px;
  border: 6px solid #F06A6A; /* Thick border for the outer circle */
  border-radius: 50%;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  display: block;
}

.form-field {
  font-family: var(--font-family-work-sans);
  font-size: var(--font-size-form);
  background-color: var(--form-background-default);
  border: var(--border-width-sm) solid var(--form-border-default);
  border-radius: var(--button-radius);
  height: var(--form-field-height);
  padding: 0 var(--form-field-padding);
  transition: all var(--transition-normal);
}

.form-field:focus {
  border-color: var(--form-border-active);
  box-shadow: var(--box-shadow-active);
  outline: none;
}

.form-field.valid {
  border-color: var(--form-border-valid);
  box-shadow: var(--box-shadow-valid);
}

.form-field.error {
  border-color: var(--form-border-error);
  box-shadow: var(--box-shadow-error);
}

.form-field.disabled {
  background-color: var(--form-bg-disabled);
  color: var(--form-text-disabled);
  cursor: not-allowed;
}

.form-label {
  font-family: var(--font-family-work-sans);
  font-size: var(--font-size-form);
  color: var(--form-label);
  margin-bottom: var(--spacing-xs);
}

.form-helper {
  font-family: var(--font-family-work-sans);
  font-size: var(--font-size-helper);
  color: var(--form-helper-text);
  margin-top: var(--spacing-xs);
}