/* ===========================
   HOW TO CUSTOMIZE COLORS AND STYLES:
   -----------------------------------
   CHANGE CATEGORY HEADER COLORS:
   - --category-coremedies-color: teal color for co-remedies
   - --category-bodycare-color: orange color for bodycare
   - --category-duo-filter-color: red color for duo-filter

   CHANGE SPACING AND PADDING:
   - --product-card-padding: padding inside each product row
   - --category-header-padding: padding inside category headers
   - --product-row-gap: spacing between product rows
   - --screen-side-padding: left/right padding on whole page

   CHANGE CARD STYLING:
   - Edit .product-card class in CSS below
   - Edit .category-header class for category styling
=========================== */

:root {
  /* === CUSTOMIZATION VARIABLES === */
  --category-coremedies-color: var(--color-primary);
  --category-bodycare-color: var(--color-warning);
  --category-duo-filter-color: var(--color-error);

  --category-header-padding: var(--space-16);
  --product-card-padding: var(--space-16);
  --product-row-gap: var(--space-12);
  --screen-side-padding: var(--space-20);
  /* ================================= */

  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgb(220, 220, 220, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08);
  --color-bg-4: rgba(239, 68, 68, 0.08);
  --color-bg-5: rgba(147, 51, 234, 0.08);
  --color-bg-6: rgba(249, 115, 22, 0.08);
  --color-bg-7: rgba(236, 72, 153, 0.08);
  --color-bg-8: rgba(6, 182, 212, 0.08);

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
/* @media (prefers-color-scheme: dark) {
  :root {
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    --color-bg-1: rgba(29, 78, 216, 0.15);
    --color-bg-2: rgba(180, 83, 9, 0.15);
    --color-bg-3: rgba(21, 128, 61, 0.15);
    --color-bg-4: rgba(185, 28, 28, 0.15);
    --color-bg-5: rgba(107, 33, 168, 0.15);
    --color-bg-6: rgba(194, 65, 12, 0.15);
    --color-bg-7: rgba(190, 24, 93, 0.15);
    --color-bg-8: rgba(8, 145, 178, 0.15);

    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
} */

@font-face {
  font-family: 'FKGroteskNeue';
  src: local('Arial'), local('Helvetica'), sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--color-background);
  font-family: var(--font-family-base);
  color: var(--color-text);
  margin: 0;
  padding: var(--space-16) var(--screen-side-padding);
  min-height: 100vh;
}

.container {
  margin: 0 auto;
  padding: 0;
  max-width: 1200px;
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.mb-0 {
  margin-bottom: 0;
}

.category-section {
  margin-bottom: var(--space-32);
}

/* Category navbar: sticky navigation */
.category-navbar {
  position: sticky;
  top: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-card-border);
  padding: var(--space-12) 0;
  margin-bottom: var(--space-24);
  display: flex;
  gap: var(--space-8);
  overflow-x: auto;
  z-index: 50;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.category-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-8) var(--space-12);
  background: var(--color-secondary);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  white-space: nowrap;
  flex-shrink: 0;
}

.category-nav-btn:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-1px);
}

.category-nav-btn:active {
  background: var(--color-secondary-active);
  transform: translateY(0);
}

.category-nav-icon {
  font-size: var(--font-size-lg);
}

.category-header {
  padding: var(--category-header-padding);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-16);
  border-left: 4px solid;
  background: var(--color-bg-1);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.category-header.coremedies {
  border-left-color: var(--category-coremedies-color);
  background: rgba(var(--color-teal-500-rgb), 0.08);
}

.category-header.bodycare {
  border-left-color: var(--category-bodycare-color);
  background: rgba(var(--color-warning-rgb), 0.08);
}

.category-header.duo-filter {
  border-left-color: var(--category-duo-filter-color);
  background: rgba(var(--color-error-rgb), 0.08);
}

.category-header.remedies {
  border-left-color: var(--category-remedies-color);
  background: rgba(var(--color-error-rgb), 0.08);
}

.category-header.autosus {
  border-left-color: var(--category-autosus-color);
  background: rgba(var(--color-error-rgb), 0.08);
}

.category-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.category-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.products-grid {
  display: flex;
  flex-direction: column;
  gap: var(--product-row-gap);
  margin-bottom: var(--space-16);
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card.product-card {
  padding: var(--product-card-padding);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-12);
  align-items: center;
  min-height: 80px;
  transition: all var(--duration-normal) var(--ease-standard);
}

.card.product-card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-xs);
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.product-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.product-price {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin: 0;
}

.product-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-8);
}

.quantity-controls {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.quantity-input {
  width: 60px;
  text-align: center;
  font-size: var(--font-size-xl);
  border-radius: var(--radius-base);
  border: 2px solid var(--color-border);
  background: var(--color-background);
  padding: var(--space-10);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  transition: all var(--duration-fast) var(--ease-standard);
  min-height: 44px;
}

.quantity-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: var(--focus-ring);
}

.quantity-btn {
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-base);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: var(--color-btn-primary-text);
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-sm);
}

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

.quantity-btn:active {
  background: var(--color-primary-active);
  transform: scale(0.95);
}

.product-subtotal {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-align: right;
  min-width: 80px;
}

.product-score {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: right;
}

.product-score-subtotal {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-align: right;
}

.product-score-inline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-left: var(--space-8);
}

/* Summary banner: sticky bottom with e-commerce checkout style */
.summary-section {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  border-top: 1px solid var(--color-card-border);
  padding: var(--space-12) var(--screen-side-padding);
  display: flex;
  flex-direction: row;
  gap: var(--space-16);
  align-items: center;
  justify-content: space-between;
  z-index: 100;
  flex-wrap: wrap;
}

.summary-row {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-base);
}

.summary-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
}

.summary-value {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

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

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.reset-btn {
  background: var(--color-red-400);
  color: var(--color-white);
  width: 100%;
  min-height: 40px;
  font-size: var(--font-size-lg);
  flex: 1; 
  margin-top: 0;
}

.discount-btn {
  background: var(--color-gray-300);  
  width: 100%;
  min-height: 40px;
  font-size: var(--font-size-lg);
  flex: 1; 
  margin-top: 0;
}

/* Discount toggle bar: aligned horizontally with title */
.discount-toggle-bar {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.discount-toggle-bar span {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  white-space: nowrap;
}

/* Primary button variant: moved from inline styles in index.html */
.btn--primary {
  background: #0078d4; /* primary blue */
  color: #ffffff;
  border: none;
}
.btn--primary:hover {
  background: #006bb3;
}
.btn--primary:active {
  background: #005c99;
  transform: translateY(1px);
}
.btn--primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 120, 212, 0.18);
}

/* Danger / delete button */
.btn--danger {
  background: var(--color-error);
  color: var(--color-white);
  border: none;
}
.btn--danger:hover {
  background: rgba(var(--color-error-rgb, 192,21,47), 0.9);
}
.btn--danger:active {
  background: rgba(var(--color-error-rgb, 192,21,47), 0.8);
  transform: translateY(1px);
}
.btn--danger:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(var(--color-error-rgb, 192,21,47), 0.18);
}

@media (min-width: 768px) {
  body {
    padding: var(--space-24) var(--screen-side-padding);
    padding-bottom: 140px;
  }

  .card.product-card {
    grid-template-columns: 2fr 1fr auto;
  }

  .product-controls {
    flex-direction: row;
    align-items: center;
    gap: var(--space-16);
  }

  .summary-section {
    padding: var(--space-16) var(--screen-side-padding);
  }
}

/* Adjust body padding on mobile to accommodate fixed bottom banner */
@media (max-width: 767px) {
  body {
    padding-bottom: 180px;
  }

  .summary-section {
    flex-direction: column;
    gap: var(--space-12);
  }

  .summary-row {
    width: 100%;
    justify-content: space-between;
  }
}

/* The switch - the box around the slider */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 26px;
}

/* Hide default HTML checkbox */
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

/* The slider */
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-transform: translateX(18px);
  -ms-transform: translateX(18px);
  transform: translateX(18px);
}

/* Rounded sliders */
.slider.round {
  border-radius: 26px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Flower selector grid and circle styling */
/* Flower grid: fixed 8 columns so circles don't expand on wide screens */
#flower-grid {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(8, 44px);
  justify-content: center;
}

.flower-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-gray-200);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  box-shadow: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.flower-circle:hover { transform: translateY(-2px); }
.flower-circle.selected {
  border-color: var(--color-primary);
  background: linear-gradient(180deg,#fff,#f7f7f7);
  box-shadow: 0 4px 8px rgba(0,0,0,0.12);
}

/* Selected badges in the strip */
.flower-badge { cursor: pointer; }

/* On very small screens reduce circle size slightly */
@media (max-width: 420px) {
  #flower-grid { grid-template-columns: repeat(8, 36px); gap: 4px; }
  .flower-circle { width: 36px; height: 36px; }
}