/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Color Palette - Earthy base with vibrant accents */
  --color-background: #f8f5f1;
  --color-surface: #ffffff;
  --color-surface-muted: #f1ebe4;

  --color-text: #1f2933;
  --color-text-muted: #6b7280;
  --color-border-subtle: #e0d8cf;

  --color-primary: #e07a2b; /* warm, vibrant accent */
  --color-primary-soft: #f7c198;
  --color-primary-strong: #b65a16;

  --color-success: #259e63;
  --color-warning: #d97706;
  --color-danger: #d32f2f;

  --color-success-soft: #daf3e7;
  --color-warning-soft: #fff4e5;
  --color-danger-soft: #fde4e4;

  /* Neutral grays */
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e5e7eb;
  --gray-300: #d4d4d8;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --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: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spatial scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radii */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows - soft, welcoming depth */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 240ms ease;
}

/* Motion reduction */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0s;
    --transition-normal: 0s;
    --transition-slow: 0s;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

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

textarea {
  resize: vertical;
}

:focus {
  outline: none;
}

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

/* Headings - clean, scalable, with controlled margins */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(2.25rem, 2.1rem + 0.5vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.875rem, 1.8rem + 0.4vw, 2.25rem);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

h5 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  line-height: var(--line-height-relaxed);
  /* comfortable line length */
}

p:last-child {
  margin-bottom: 0;
}

/* Links - subtle, brand-aligned accents */
a {
  color: var(--color-primary-strong);
  text-decoration: none;
  transition: color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

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

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

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

[tabindex="-1"]:focus {
  outline: none !important;
}

/* Screen reader only utility */
.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;
}

/* ========================================================================
   Layout Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: 1120px; /* generous for imagery-rich e-commerce */
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

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

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

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

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

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

/* Spacing utilities (y-axis, x-axis for quick layout tweaks) */
.my-4 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

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

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.py-6 {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

/******************************* Components *******************************/

/* ========================================================================
   Buttons
   ======================================================================== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.button-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

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

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

.button-outline {
  background-color: transparent;
  color: var(--color-primary-strong);
  border-color: var(--color-primary-soft);
  background-image: linear-gradient(135deg, rgba(224, 122, 43, 0.04), rgba(182, 90, 22, 0.02));
}

.button-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(224, 122, 43, 0.06);
}

.button-ghost {
  background-color: transparent;
  color: var(--color-text);
}

.button-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

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

/* ========================================================================
   Form Controls
   ======================================================================== */
label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.input,
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.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), 0 0 0 4px rgba(224, 122, 43, 0.18);
}

.input[disabled],
select[disabled],
textarea[disabled] {
  background-color: var(--gray-100);
  color: var(--gray-400);
  cursor: not-allowed;
}

.input--error {
  border-color: var(--color-danger);
}

.input--error:focus-visible {
  box-shadow: 0 0 0 1px var(--color-danger-soft), 0 0 0 4px rgba(211, 47, 47, 0.18);
}

.form-help {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* ========================================================================
   Card - core surface component for products & content
   ======================================================================== */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 119, 91, 0.12);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  overflow: hidden;
  transition:
    box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(224, 122, 43, 0.22);
  background-color: #fdfaf6;
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
}

/* ========================================================================
   Badges & Pills (useful for pet type, status labels)
   ======================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

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

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

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

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

/* ========================================================================
   Tags / Filter Chips (for intuitive product filtering)
   ======================================================================== */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  background-color: #f6f2ec;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.chip:hover {
  border-color: var(--color-primary);
  background-color: #faede1;
}

.chip--active {
  border-color: var(--color-primary-strong);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(224, 122, 43, 0.2);
}

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

/* ========================================================================
   Helper States & Messages
   ======================================================================== */
.alert {
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
}

.alert-success {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

.alert-warning {
  background-color: var(--color-warning-soft);
  color: var(--color-warning);
}

.alert-danger {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}

/* ========================================================================
   Images & Media Helpers (for vibrant product & pet imagery)
   ======================================================================== */
.img-rounded {
  border-radius: var(--radius-md);
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ========================================================================
   Misc Layout Helpers
   ======================================================================== */
.text-center {
  text-align: center;
}

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

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

.max-w-prose {
  max-width: 70ch;
}

.w-full {
  width: 100%;
}

.hide-scrollbar {
  scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}