/* Design tokens — palette "E-commerce Luxury" + font "Luxury Serif" (ui-ux-pro-max) */
:root {
  --color-primary: #1c1917;
  --color-on-primary: #ffffff;
  --color-secondary: #44403c;
  --color-accent: #a16207;
  --color-accent-soft: #fdf6e3;
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-sand: #f3efe9;
  --color-fg: #0c0a09;
  --color-muted: #57534e;
  --color-border: #d6d3d1;
  --color-border-soft: #e7e5e4;
  --color-sale: #b91c1c;
  --color-success: #15803d;
  --color-success-soft: #dcfce7;
  --color-warning-soft: #fef3c7;
  --color-danger-soft: #fee2e2;
  --color-ring: #a16207;

  --font-heading: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgb(28 25 23 / 0.06);
  --shadow: 0 8px 24px rgb(28 25 23 / 0.08);
  --shadow-lg: 0 24px 48px rgb(28 25 23 / 0.16);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 150ms;
  --dur: 220ms;
  --dur-slow: 360ms;
  --container: 1240px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  font-variant-numeric: lining-nums;
}
:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}
.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;
}
.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-5);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:active:not(:disabled) {
  transform: scale(0.98);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-secondary);
}
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-ghost {
  background: transparent;
  color: var(--color-fg);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-sand);
}
.btn-danger {
  background: var(--color-sale);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  background: #991b1b;
}
.btn-block {
  width: 100%;
}
.btn-sm {
  min-height: 36px;
  padding: 0 var(--space-3);
  font-size: 13px;
}
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: background-color var(--dur) var(--ease);
}
.icon-btn:hover {
  background: var(--color-sand);
}

/* Forms */
.field {
  display: grid;
  gap: 6px;
}
.field label,
.field .label {
  font-size: 14px;
  font-weight: 600;
}
.field .hint {
  font-size: 13px;
  color: var(--color-muted);
}
.field .error {
  font-size: 13px;
  color: var(--color-sale);
}
.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 16px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
}
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgb(161 98 7 / 0.18);
}
.input[aria-invalid='true'] {
  border-color: var(--color-sale);
}

/* Price */
.price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.price-now {
  font-weight: 700;
  color: var(--color-fg);
}
.price-now.is-sale {
  color: var(--color-sale);
}
.price-old {
  color: var(--color-muted);
  text-decoration: line-through;
  font-size: 0.875em;
}

/* Toast */
.toast-wrap {
  position: fixed;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  z-index: 100;
  display: grid;
  gap: var(--space-2);
  width: min(92vw, 420px);
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  animation: toast-in var(--dur-slow) var(--ease);
}
.toast.is-error {
  background: var(--color-sale);
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}