/*
 * Public storefront UI — light ecommerce look inspired by fashion retail.
 * Isolated from the dark operational back office styles.
 */

:root {
  --sf-bg: #ffffff;
  --sf-bg-soft: #f7f7f7;
  --sf-bg-muted: #f0f0f0;
  --sf-surface: #ffffff;
  --sf-text: #111111;
  --sf-text-muted: #5c5c5c;
  --sf-text-soft: #8a8a8a;
  --sf-border: #e8e8e8;
  --sf-border-strong: #d4d4d4;
  --sf-accent: #111111;
  --sf-accent-invert: #ffffff;
  --sf-success: #15803d;
  --sf-success-bg: #ecfdf3;
  --sf-warning: #b45309;
  --sf-warning-bg: #fffbeb;
  --sf-danger: #b91c1c;
  --sf-danger-bg: #fef2f2;
  --sf-shadow: 0 10px 30px rgba(17, 17, 17, 0.06);
  --sf-radius: 12px;
  --sf-radius-sm: 8px;
  --sf-max: 1180px;
  --sf-header-h: 4.25rem;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--sf-bg);
}

body.sf-body {
  min-height: 100vh;
  margin: 0;
  color: var(--sf-text);
  background: var(--sf-bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

.sf-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

/* Header */
.sf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--sf-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.sf-header-inner {
  display: flex;
  width: min(100% - 2rem, var(--sf-max));
  height: var(--sf-header-h);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
}

.sf-logo-text {
  color: var(--sf-text);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sf-logo-image {
  display: block;
  max-width: 9rem;
  max-height: 2.4rem;
  object-fit: contain;
}

.sf-header-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
}

.sf-nav-link {
  color: var(--sf-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.sf-nav-link:hover {
  color: var(--sf-text);
}

.sf-cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.5rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--sf-border);
  border-radius: 999px;
  color: var(--sf-text);
  font-size: 0.88rem;
  font-weight: 650;
  transition: border-color 140ms ease, background 140ms ease;
}

.sf-cart-link:hover {
  border-color: var(--sf-border-strong);
  background: var(--sf-bg-soft);
}

.sf-cart-icon {
  display: grid;
  place-items: center;
}

.sf-cart-badge {
  display: inline-grid;
  min-width: 1.35rem;
  height: 1.35rem;
  place-items: center;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--sf-accent);
  color: var(--sf-accent-invert);
  font-size: 0.72rem;
  font-weight: 800;
}

/* Main / footer */
.sf-main {
  width: min(100% - 2rem, var(--sf-max));
  flex: 1;
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.sf-footer {
  margin-top: auto;
  border-top: 1px solid var(--sf-border);
  background: var(--sf-bg-soft);
}

.sf-footer-inner {
  width: min(100% - 2rem, var(--sf-max));
  margin: 0 auto;
  padding: 1.4rem 0;
  text-align: center;
}

.sf-footer-brand {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sf-footer-note {
  margin: 0.35rem 0 0;
  color: var(--sf-text-soft);
  font-size: 0.82rem;
}

/* Flash */
.sf-shell .flash {
  width: min(100% - 2rem, var(--sf-max));
  margin: 1rem auto 0;
  padding: 0.85rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--sf-radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
}

.sf-shell .flash-notice {
  border-color: rgba(21, 128, 61, 0.2);
  background: var(--sf-success-bg);
  color: var(--sf-success);
}

.sf-shell .flash-warning {
  border-color: rgba(180, 83, 9, 0.22);
  background: var(--sf-warning-bg);
  color: var(--sf-warning);
}

.sf-shell .flash-alert {
  border-color: rgba(185, 28, 28, 0.2);
  background: var(--sf-danger-bg);
  color: var(--sf-danger);
}

/* Hero / page heads */
.sf-hero {
  margin: 0 0 1.75rem;
  padding: 1.6rem 1.4rem;
  border: 1px solid var(--sf-border);
  border-radius: calc(var(--sf-radius) + 4px);
  background:
    linear-gradient(135deg, rgba(17, 17, 17, 0.03), transparent 48%),
    linear-gradient(180deg, #fafafa, #ffffff);
}

.sf-hero-kicker {
  margin: 0 0 0.4rem;
  color: var(--sf-text-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sf-hero h1,
.sf-page-head h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.sf-hero p,
.sf-page-head p {
  margin: 0.55rem 0 0;
  max-width: 40rem;
  color: var(--sf-text-muted);
}

.sf-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.sf-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  color: var(--sf-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.sf-back-link:hover {
  color: var(--sf-text);
}

/* Product grid */
.sf-section-title {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sf-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (min-width: 720px) {
  .sf-product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 1024px) {
  .sf-product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.sf-product-card {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  background: var(--sf-surface);
  transition: box-shadow 160ms ease, transform 160ms ease, border-color 160ms ease;
}

.sf-product-card:hover {
  border-color: var(--sf-border-strong);
  box-shadow: var(--sf-shadow);
  transform: translateY(-2px);
}

.sf-product-card-media {
  display: block;
  aspect-ratio: 3 / 4;
  background: var(--sf-bg-muted);
  overflow: hidden;
}

.sf-product-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 280ms ease;
}

.sf-product-card:hover .sf-product-image {
  transform: scale(1.04);
}

.sf-product-image-lg {
  width: 100%;
  height: 100%;
  min-height: 100%;
}

.sf-product-image-thumb {
  border-radius: var(--sf-radius-sm);
}

.sf-product-placeholder {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  background:
    linear-gradient(160deg, #ececec 0%, #f7f7f7 45%, #e4e4e4 100%);
  color: #b0b0b0;
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.sf-product-card-body {
  display: grid;
  gap: 0.45rem;
  padding: 0.95rem 0.95rem 1.05rem;
}

.sf-product-card-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.sf-product-card-title a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.sf-product-card-desc {
  margin: 0;
  color: var(--sf-text-soft);
  font-size: 0.84rem;
  line-height: 1.4;
}

.sf-product-card-price {
  margin: 0.15rem 0 0;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sf-product-card-variants {
  margin: 0;
  color: var(--sf-text-soft);
  font-size: 0.75rem;
}

/* Product detail */
.sf-product-layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 860px) {
  .sf-product-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.5rem;
    align-items: start;
  }
}

.sf-product-gallery {
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--sf-border);
  border-radius: calc(var(--sf-radius) + 2px);
  background: var(--sf-bg-muted);
}

.sf-product-gallery .sf-product-image,
.sf-product-gallery .sf-product-placeholder {
  width: 100%;
  height: 100%;
}

.sf-product-info h1 {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.sf-product-price {
  margin: 0.75rem 0 0;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.sf-product-description {
  margin: 1rem 0 0;
  color: var(--sf-text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.sf-product-description p {
  margin: 0 0 0.75rem;
}

.sf-product-description p:last-child {
  margin-bottom: 0;
}

.sf-product-cart-link {
  margin-top: 1.25rem;
}

.sf-sticky-cta {
  display: none;
}

.sf-variant-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.4rem 0 0;
}

.sf-variant-card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  background: var(--sf-surface);
}

.sf-variant-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.sf-variant-sku {
  font-size: 0.92rem;
  font-weight: 700;
}

.sf-variant-price {
  font-size: 0.98rem;
  font-weight: 800;
}

.sf-inline-form {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.65rem;
}

.sf-inline-form .sf-field {
  min-width: 5.5rem;
  flex: 0 0 auto;
}

.sf-inline-form .sf-btn {
  flex: 1 1 auto;
}

/* Buttons / fields */
.sf-btn,
.sf-shell input[type="submit"],
.sf-shell button,
.sf-shell form.button_to button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--sf-accent);
  border-radius: 999px;
  background: var(--sf-accent);
  color: var(--sf-accent-invert);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, opacity 140ms ease;
}

.sf-btn:hover,
.sf-shell input[type="submit"]:hover,
.sf-shell button:hover,
.sf-shell form.button_to button:hover {
  background: #2a2a2a;
  border-color: #2a2a2a;
  color: #fff;
}

.sf-btn-secondary,
a.sf-btn-secondary {
  background: transparent;
  color: var(--sf-text);
}

.sf-btn-secondary:hover,
a.sf-btn-secondary:hover {
  background: var(--sf-bg-soft);
  border-color: var(--sf-border-strong);
  color: var(--sf-text);
}

.sf-btn-ghost,
a.sf-btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--sf-text-muted);
}

.sf-btn-ghost:hover,
a.sf-btn-ghost:hover {
  background: var(--sf-bg-soft);
  border-color: transparent;
  color: var(--sf-text);
}

.sf-btn-danger,
.sf-shell form.button_to button.sf-btn-danger {
  border-color: var(--sf-danger);
  background: transparent;
  color: var(--sf-danger);
}

.sf-btn-danger:hover,
.sf-shell form.button_to button.sf-btn-danger:hover {
  background: var(--sf-danger-bg);
  border-color: var(--sf-danger);
  color: var(--sf-danger);
}

.sf-btn-block {
  width: 100%;
}

.sf-btn-sm,
.sf-shell form.button_to button.sf-btn-sm {
  min-height: 2.25rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
}

.sf-field {
  display: grid;
  gap: 0.35rem;
}

.sf-field label {
  color: var(--sf-text-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sf-shell input[type="text"],
.sf-shell input[type="email"],
.sf-shell input[type="tel"],
.sf-shell input[type="number"],
.sf-shell input[type="password"],
.sf-shell select,
.sf-shell textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--sf-border-strong);
  border-radius: var(--sf-radius-sm);
  background: #fff;
  color: var(--sf-text);
  outline: none;
}

.sf-shell input:focus,
.sf-shell select:focus,
.sf-shell textarea:focus,
.sf-shell button:focus-visible,
.sf-shell a:focus-visible {
  outline: 2px solid #111;
  outline-offset: 2px;
}

.sf-form {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.sf-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

@media (min-width: 720px) {
  .sf-form-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

.sf-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

/* Panels / empty */
.sf-panel {
  padding: 1.15rem;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  background: var(--sf-surface);
}

.sf-panel + .sf-panel {
  margin-top: 1rem;
}

.sf-panel h2 {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sf-empty {
  padding: 2.5rem 1.25rem;
  border: 1px dashed var(--sf-border-strong);
  border-radius: var(--sf-radius);
  background: var(--sf-bg-soft);
  color: var(--sf-text-muted);
  text-align: center;
}

.sf-empty h2 {
  margin: 0 0 0.4rem;
  color: var(--sf-text);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  text-transform: none;
}

.sf-empty p {
  margin: 0;
}

/* Cart layout */
.sf-cart-layout,
.sf-checkout-layout {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .sf-cart-layout,
  .sf-checkout-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.75fr);
    align-items: start;
  }
}

.sf-line-item {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--sf-border);
}

.sf-line-item:first-child {
  padding-top: 0;
}

.sf-line-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.sf-line-thumb {
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: var(--sf-radius-sm);
  background:
    linear-gradient(160deg, #ececec 0%, #f7f7f7 45%, #e4e4e4 100%);
}

.sf-line-thumb .sf-product-image,
.sf-line-thumb .sf-product-placeholder {
  width: 100%;
  height: 100%;
}

.sf-line-thumb .sf-product-placeholder {
  font-size: 1rem;
}

.sf-line-body {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.sf-line-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}

.sf-line-meta {
  margin: 0;
  color: var(--sf-text-soft);
  font-size: 0.84rem;
}

.sf-line-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.sf-line-total {
  margin: 0;
  font-weight: 800;
}

.sf-summary {
  position: sticky;
  top: calc(var(--sf-header-h) + 1rem);
  display: grid;
  gap: 0.75rem;
  padding: 1.2rem;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  background: var(--sf-bg-soft);
}

.sf-summary h2 {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sf-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--sf-text-muted);
  font-size: 0.92rem;
}

.sf-summary-row.is-total {
  margin-top: 0.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--sf-border);
  color: var(--sf-text);
  font-size: 1.05rem;
  font-weight: 800;
}

/* Checkout steps */
.sf-steps {
  margin: 0 0 1.4rem;
  overflow-x: auto;
}

.sf-steps-list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sf-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.2rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--sf-border);
  border-radius: 999px;
  color: var(--sf-text-soft);
  font-size: 0.8rem;
  font-weight: 650;
  white-space: nowrap;
}

.sf-step-index {
  display: inline-grid;
  width: 1.25rem;
  height: 1.25rem;
  place-items: center;
  border-radius: 999px;
  background: var(--sf-bg-muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.sf-step.is-current {
  border-color: var(--sf-text);
  color: var(--sf-text);
  background: #fff;
}

.sf-step.is-current .sf-step-index {
  background: var(--sf-text);
  color: #fff;
}

.sf-step.is-done {
  border-color: rgba(21, 128, 61, 0.25);
  background: var(--sf-success-bg);
  color: var(--sf-success);
}

.sf-step.is-done .sf-step-index {
  background: var(--sf-success);
  color: #fff;
}

/* Delivery options */
.sf-option-list {
  display: grid;
  gap: 0.75rem;
}

.sf-option-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  background: #fff;
}

.sf-option-card strong {
  display: block;
  font-size: 0.98rem;
}

.sf-option-card span {
  color: var(--sf-text-muted);
  font-size: 0.88rem;
}

.sf-confirm-box {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(21, 128, 61, 0.18);
  border-radius: var(--sf-radius);
  background: var(--sf-success-bg);
}

.sf-confirm-box p {
  margin: 0 0 0.85rem;
  color: var(--sf-success);
  font-size: 0.92rem;
}

.sf-success-hero {
  padding: 2rem 1.25rem;
  border: 1px solid var(--sf-border);
  border-radius: calc(var(--sf-radius) + 4px);
  background:
    linear-gradient(180deg, #f7f7f7, #ffffff);
  text-align: center;
}

.sf-success-hero h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.04em;
}

.sf-success-hero p {
  margin: 0.6rem auto 0;
  max-width: 32rem;
  color: var(--sf-text-muted);
}

.sf-success-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.sf-success-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--sf-border);
  font-size: 0.94rem;
}

.sf-success-list li:last-child {
  border-bottom: 0;
}

.sf-success-list span {
  color: var(--sf-text-muted);
}

.sf-success-list strong {
  text-align: right;
}

/* Utility */
.sf-muted {
  color: var(--sf-text-muted);
}

.sf-stack {
  display: grid;
  gap: 1rem;
}

@media (max-width: 640px) {
  .sf-cart-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .sf-cart-link {
    padding: 0.45rem 0.65rem;
  }

  .sf-main {
    padding-bottom: 5.5rem;
  }

  .sf-product-layout {
    gap: 1.1rem;
  }

  .sf-product-info h1 {
    font-size: 1.45rem;
  }

  .sf-product-cart-link {
    display: none;
  }

  .sf-sticky-cta {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    display: block;
    padding: 0.7rem 0.9rem calc(0.7rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--sf-border);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    box-shadow: 0 -8px 24px rgba(17, 17, 17, 0.06);
  }

  .sf-sticky-cta-inner {
    display: flex;
    width: min(100%, var(--sf-max));
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0 auto;
  }

  .sf-sticky-cta-copy {
    display: grid;
    min-width: 0;
    gap: 0.1rem;
  }

  .sf-sticky-cta-copy strong {
    overflow: hidden;
    font-size: 0.86rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .sf-sticky-cta-copy span {
    color: var(--sf-text-muted);
    font-size: 0.8rem;
    font-weight: 700;
  }

  .sf-sticky-cta .sf-btn {
    flex: 0 0 auto;
    min-height: 2.5rem;
    padding: 0.55rem 0.95rem;
    font-size: 0.84rem;
  }

  .sf-variant-card {
    padding: 0.85rem;
  }

  .sf-inline-form {
    width: 100%;
  }

  .sf-inline-form .sf-btn {
    width: 100%;
  }

  .sf-summary {
    position: static;
  }

  .sf-cart-layout,
  .sf-checkout-layout {
    gap: 1rem;
  }

  .sf-line-item {
    grid-template-columns: 3.75rem minmax(0, 1fr);
  }

  .sf-option-card {
    align-items: stretch;
    flex-direction: column;
  }

  .sf-option-card .sf-btn,
  .sf-option-card form {
    width: 100%;
  }

  .sf-option-card form button {
    width: 100%;
  }
}

@media (hover: hover) and (pointer: fine) {
  .sf-product-card {
    transition: box-shadow 160ms ease, transform 160ms ease, border-color 160ms ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sf-product-card,
  .sf-product-image {
    transition: none;
  }

  .sf-product-card:hover {
    transform: none;
  }

  .sf-product-card:hover .sf-product-image {
    transform: none;
  }
}

/* Variant picker + multi-image gallery */
.sf-product-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.sf-product-thumb {
  width: 4.25rem;
  height: 5.25rem;
  padding: 0;
  border: 1px solid var(--sf-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--sf-bg-soft);
  cursor: pointer;
}

.sf-product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sf-product-thumb.is-active {
  border-color: var(--sf-accent);
  box-shadow: 0 0 0 1px var(--sf-accent);
}

.sf-option-form {
  display: grid;
  gap: 0.85rem;
  max-width: 22rem;
}

.sf-variant-message {
  min-height: 1.25rem;
  margin: 0;
  color: var(--sf-warning);
  font-size: 0.9rem;
}

.sf-variant-stock {
  margin: 0;
  color: var(--sf-text-muted);
  font-size: 0.9rem;
}

.sf-option-card.is-selected {
  border-color: var(--sf-accent);
  box-shadow: 0 0 0 1px var(--sf-accent);
}

.sf-check {
  font-size: 0.95rem;
  color: var(--sf-text-muted);
}

.sf-checkout-main {
  min-width: 0;
}

/* Catalog product card carousel */
.sf-card-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--sf-bg-muted);
}

.sf-card-slide {
  width: 100%;
  height: 100%;
}

.sf-card-slide .sf-product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sf-card-carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--sf-text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  z-index: 2;
}

.sf-card-carousel-prev { left: 0.5rem; }
.sf-card-carousel-next { right: 0.5rem; }

.sf-card-carousel-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.55rem;
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  z-index: 2;
}

.sf-card-dot {
  width: 0.45rem;
  height: 0.45rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
}

.sf-card-dot.is-active {
  background: #111;
  transform: scale(1.15);
}

.sf-card-carousel-status {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.65);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  z-index: 2;
}

/* Size / color chips on product page */
.sf-variant-picker {
  margin-top: 1.25rem;
}

.sf-option-group {
  margin-bottom: 1rem;
}

.sf-option-label {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sf-text-muted);
}

.sf-option-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sf-option-chip {
  min-width: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--sf-border-strong);
  border-radius: 999px;
  background: var(--sf-surface);
  color: var(--sf-text);
  font-weight: 600;
  cursor: pointer;
}

.sf-option-chip:hover:not(:disabled) {
  border-color: var(--sf-accent);
}

.sf-option-chip.is-active {
  background: var(--sf-accent);
  border-color: var(--sf-accent);
  color: var(--sf-accent-invert);
}

.sf-option-chip:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.sf-product-card-body .sf-product-card-title {
  margin-bottom: 0.35rem;
}