/* =========================================================
   Variables
   ========================================================= */
:root {
  /* Color Palette */
  --color-background: #f7f8fb;
  --color-surface: #ffffff;
  --color-text: #1c2330;
  --color-text-soft: #5c6776;

  --color-primary: #4a9fd9; /* pastel blue */
  --color-primary-soft: #e3f1fb;

  --color-accent-yellow: #ffd865; /* sunny yellow */
  --color-accent-coral: #ff8a70;  /* coral orange */

  --color-success: #3baf7a;
  --color-warning: #f7b556;
  --color-danger: #e55252;

  /* Neutral Grays */
  --gray-50: #f9fafb;
  --gray-100: #f2f4f7;
  --gray-200: #e4e7ec;
  --gray-300: #d0d5dd;
  --gray-400: #98a2b3;
  --gray-500: #667085;
  --gray-600: #475467;
  --gray-700: #344054;
  --gray-800: #1d2939;
  --gray-900: #111827;

  /* Typography */
  --font-sans: 'Nunito', system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;
  --font-display: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;

  --font-size-xs: 0.75rem;  /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem;   /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem;  /* 20px */
  --font-size-2xl: 1.5rem;  /* 24px */
  --font-size-3xl: 1.875rem;/* 30px */
  --font-size-4xl: 2.25rem; /* 36px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing Scale (px) */
  --space-0: 0;
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 6px;
  --space-4: 8px;
  --space-5: 10px;
  --space-6: 12px;
  --space-8: 16px;
  --space-10: 20px;
  --space-12: 24px;
  --space-16: 32px;
  --space-20: 40px;
  --space-24: 48px;
  --space-32: 64px;
  --space-40: 80px;
  --space-48: 96px;

  /* Radius */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows (soft and uplifting) */
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.07);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 250ms ease-out;

  /* Layout */
  --container-width: 1200px;
}

@media (min-width: 1440px) {
  :root {
    --container-width: 1280px;
  }
}

/* =========================================================
   Reset / Normalize
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Base Styles
   ========================================================= */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: var(--line-height-snug);
  letter-spacing: 0.01em;
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-12);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-10);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-8);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-6);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-6);
  color: var(--color-text-soft);
}

small {
  font-size: var(--font-size-xs);
}

strong {
  font-weight: 700;
}

code,
pre {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
    'Courier New', monospace;
}

a {
  cursor: pointer;
  position: relative;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Subtle underline for inline links used in text */
a[data-link="inline"] {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a[data-link="inline"]:hover {
  text-decoration-thickness: 2px;
}

hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-16) 0;
}

/* =========================================================
   Accessibility & Focus
   ========================================================= */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   Utilities
   ========================================================= */
/* Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-8);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-12);
  }
}

/* Flex Utilities */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

.gap-12 {
  gap: var(--space-12);
}

/* Grid Utilities */
.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-gap-6 {
  gap: var(--space-6);
}

.grid-gap-10 {
  gap: var(--space-10);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Text Alignment */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

/* Width */
.w-full {
  width: 100%;
}

/* Spacing Utilities (selected) */
.mt-0 {
  margin-top: 0;
}

.mt-6 {
  margin-top: var(--space-6);
}

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

.mt-12 {
  margin-top: var(--space-12);
}

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

.mb-6 {
  margin-bottom: var(--space-6);
}

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

.mb-12 {
  margin-bottom: var(--space-12);
}

.py-8 {
  padding-block: var(--space-8);
}

.py-12 {
  padding-block: var(--space-12);
}

.py-16 {
  padding-block: var(--space-16);
}

.px-8 {
  padding-inline: var(--space-8);
}

/* Tone Utilities (for badges/labels) */
.bg-primary-soft {
  background-color: var(--color-primary-soft);
}

.bg-surface {
  background-color: var(--color-surface);
}

.text-soft {
  color: var(--color-text-soft);
}

.text-primary {
  color: var(--color-primary);
}

/* =========================================================
   Components
   ========================================================= */
/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    border-color var(--transition-base);
  background-color: var(--color-primary);
  color: #ffffff!important;
  box-shadow: var(--shadow-sm);
}

.button:hover {
  background-color: #3b8cc4;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.button:focus-visible {
  outline: 2px solid var(--color-accent-yellow);
  outline-offset: 3px;
}

.button[disabled],
.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.button--ghost {
  background-color: transparent;
  color: var(--color-primary)!important;
  border-color: var(--color-primary-soft);
  box-shadow: none;
}

.button--ghost:hover {
  background-color: var(--color-primary-soft);
  box-shadow: var(--shadow-xs);
}

.button--secondary {
  background-color: var(--color-accent-yellow);
  color: var(--color-text)!important;
}

.button--secondary:hover {
  background-color: #ffc844;
}

/* Inputs & Form Controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

.input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.input[disabled],
textarea[disabled],
select[disabled] {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
}

.form-help {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.form-error {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-12);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.card--soft {
  background: linear-gradient(145deg, #ffffff, #f6f8ff);
  border-color: rgba(148, 163, 184, 0.1);
}

.card-header {
  margin-bottom: var(--space-6);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

/* Image wrappers for flat-lay product photography */
.product-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: #ffffff;
}

.product-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Badges for categories/labels */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge--accent {
  background: linear-gradient(120deg, var(--color-accent-yellow), var(--color-accent-coral));
  color: #1f2933;
}

/* Toast-style feedback chips */
.toast {
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-8);
  background-color: #ffffff;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.toast--success {
  border-left: 4px solid var(--color-success);
}

.toast--warning {
  border-left: 4px solid var(--color-warning);
}

.toast--danger {
  border-left: 4px solid var(--color-danger);
}