:root {
  --brand-dark-teal: #173046;
  --brand-ink: #0f2130;
  --brand-secondary-ink: #243b50;
  --brand-teal: #31b1b4;
  --brand-teal-dark: #156567;
  --brand-alpaca-cream: #f8f7f3;
  --brand-alpaca-cream-deep: #efece4;
  --brand-test-plum: #3a2a55;
  --surface-white: #ffffff;
  --border-strong: #c8c4b8;
  --border-subtle: #dedad0;
  --danger-ink: #8f1d24;
  --danger-bg: #fef2f2;
  --success-ink: #0f5132;
  --success-bg: #ecfdf5;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--brand-alpaca-cream);
  color: var(--brand-ink);
  line-height: 1.5;
  accent-color: var(--brand-teal-dark);
  -webkit-font-smoothing: antialiased;
}

.tnum,
code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

[hidden] {
  display: none !important;
}

.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;
}

/* Header */
.site-header {
  background-color: var(--brand-dark-teal);
  color: var(--surface-white);
  border-bottom: 2px solid var(--brand-teal);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.875rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--surface-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-link:focus-visible,
.school-link:focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 4px;
}

.brand-logo {
  border-radius: 0.5rem;
  display: block;
}

.brand-domain {
  color: var(--brand-teal);
  font-family: var(--font-mono);
  font-weight: 600;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.delivery-pill {
  font-size: 0.85rem;
  background-color: #0f2130;
  border: 1px solid #31b1b466;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  color: var(--surface-white);
}

.free-tag {
  color: #6ee7e9;
  font-family: var(--font-mono);
}

.school-link {
  color: var(--surface-white);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  transition: background-color 0.15s ease;
}

.school-link:hover {
  background-color: rgba(255, 255, 255, 0.14);
}

/* Main Structural Grid */
.main-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.intro-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-strong);
  margin-bottom: 2rem;
}

@media (min-width: 960px) {
  .intro-strip {
    grid-template-columns: 5fr 7fr;
    align-items: end;
  }
}

.eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-teal-dark);
}

.headline {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--brand-dark-teal);
}

.headline-accent {
  display: block;
  font-style: italic;
  font-weight: 600;
  color: var(--brand-teal-dark);
}

.pricing-matrix {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border: 1px solid var(--border-strong);
  background-color: var(--surface-white);
}

.matrix-cell {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 640px) {
  .matrix-cell {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }
  .matrix-cell:last-child {
    border-right: none;
  }
}

.matrix-cell dt {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-secondary-ink);
}

.matrix-cell dd {
  margin: 0.25rem 0 0.15rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--brand-dark-teal);
}

.matrix-sub {
  display: block;
  font-size: 0.78rem;
  color: var(--brand-secondary-ink);
}

/* Two-Column Product & Configurator Layout */
.store-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: start;
}

@media (min-width: 960px) {
  .store-grid {
    grid-template-columns: 5fr 7fr;
  }
  .visual-stage {
    position: sticky;
    top: 1.5rem;
  }
}

.canvas-frame {
  background-color: var(--surface-white);
  border: 1px solid var(--border-strong);
}

.stage-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1.15rem;
  background-color: var(--brand-dark-teal);
  color: var(--surface-white);
  font-size: 0.875rem;
}

.active-color-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.swatch-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--surface-white);
  background-color: #181c22;
  display: inline-block;
}

.unit-rate-badge {
  background-color: var(--brand-teal);
  color: var(--brand-ink);
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.canvas-wrapper {
  padding: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-white);
}

#shirt-canvas {
  width: 100%;
  max-width: 380px;
  height: auto;
  aspect-ratio: 1 / 1;
  display: block;
}

.stage-footer {
  padding: 1rem 1.15rem;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--brand-alpaca-cream);
}

.stage-caption {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  color: var(--brand-ink);
}

.tier-live-notice {
  margin: 0;
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--surface-white);
  border-left: 3px solid var(--brand-teal-dark);
  color: var(--brand-ink);
}

/* Configurator Sections */
.configurator-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.config-block {
  background-color: var(--surface-white);
  border: 1px solid var(--border-strong);
  padding: 1.35rem 1.5rem;
}

.block-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 0.85rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.block-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-dark-teal);
}

.selected-readout {
  font-size: 0.84rem;
  color: var(--brand-secondary-ink);
}

/* Size Selector */
.size-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
}

.size-btn {
  font-family: var(--font-mono);
  font-size: 0.925rem;
  font-weight: 600;
  padding: 0.65rem 0.4rem;
  background-color: var(--surface-white);
  color: var(--brand-ink);
  border: 1.5px solid var(--border-strong);
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.size-btn:hover {
  border-color: var(--brand-dark-teal);
  background-color: var(--brand-alpaca-cream);
}

.size-btn:focus-visible {
  outline: 2px solid var(--brand-teal-dark);
  outline-offset: 2px;
}

.size-btn.is-selected {
  background-color: var(--brand-dark-teal);
  color: var(--surface-white);
  border-color: var(--brand-dark-teal);
}

/* Color Swatches */
.color-group-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-secondary-ink);
  margin: 0.85rem 0 0.5rem;
}

.color-group-label:first-of-type {
  margin-top: 0;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.5rem;
}

.swatch-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  background-color: var(--surface-white);
  color: var(--brand-ink);
  border: 1.5px solid var(--border-strong);
  text-align: left;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}

.swatch-btn:hover:not(:disabled) {
  border-color: var(--brand-dark-teal);
  background-color: var(--brand-alpaca-cream);
}

.swatch-btn:focus-visible {
  outline: 2px solid var(--brand-teal-dark);
  outline-offset: 2px;
}

.swatch-btn.is-selected {
  border-color: var(--brand-dark-teal);
  background-color: var(--brand-alpaca-cream-deep);
  font-weight: 700;
  box-shadow: inset 0 0 0 1px var(--brand-dark-teal);
}

.swatch-btn:disabled {
  opacity: 0.52;
  cursor: not-allowed;
  background-color: var(--brand-alpaca-cream);
  border-style: dashed;
}

.swatch-chip {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(15, 33, 48, 0.35);
  flex-shrink: 0;
}

.swatch-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.swatch-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.swatch-price {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--brand-secondary-ink);
}

/* Quantity, Progress & Order Bag */
.shipping-meter-row {
  margin-bottom: 1rem;
}

progress {
  width: 100%;
  height: 10px;
  accent-color: var(--brand-teal-dark);
}

.qty-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: stretch;
}

.qty-stepper {
  display: inline-flex;
  border: 1.5px solid var(--border-strong);
  background-color: var(--surface-white);
}

.stepper-btn {
  width: 38px;
  font-size: 1.1rem;
  font-weight: 700;
  background-color: var(--brand-alpaca-cream);
  color: var(--brand-ink);
  border: none;
  cursor: pointer;
}

.stepper-btn:hover {
  background-color: var(--brand-alpaca-cream-deep);
}

.stepper-btn:focus-visible {
  outline: 2px solid var(--brand-teal-dark);
  outline-offset: -2px;
}

.qty-input {
  width: 54px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-ink);
}

.add-bag-btn {
  flex: 1;
  min-width: 220px;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  background-color: var(--brand-alpaca-cream);
  color: var(--brand-dark-teal);
  border: 1.5px solid var(--brand-dark-teal);
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.add-bag-btn:hover {
  background-color: var(--brand-dark-teal);
  color: var(--surface-white);
}

.add-bag-btn:focus-visible {
  outline: 2px solid var(--brand-teal-dark);
  outline-offset: 2px;
}

.order-items-section {
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.order-items-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.order-items-title {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-secondary-ink);
}

.text-danger-btn {
  background: none;
  border: 1px solid var(--danger-ink);
  color: var(--danger-ink);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
}

.text-danger-btn:hover {
  background-color: var(--danger-bg);
}

.order-items-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.order-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  background-color: var(--brand-alpaca-cream);
  border: 1px solid var(--border-subtle);
  font-size: 0.875rem;
}

.order-item-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.order-item-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.remove-item-btn {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--danger-ink);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  cursor: pointer;
}

.remove-item-btn:hover {
  background-color: var(--danger-bg);
  border-color: var(--danger-ink);
}

/* Checkout Form & Financial Ledger */
.square-verified-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-teal-dark);
  border: 1px solid var(--brand-teal-dark);
  padding: 0.15rem 0.5rem;
}

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

@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .field-full {
    grid-column: 1 / -1;
  }
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--brand-ink);
}

.text-input {
  padding: 0.6rem 0.75rem;
  font-size: 0.925rem;
  color: var(--brand-ink);
  background-color: var(--surface-white);
  border: 1.5px solid var(--border-strong);
}

.text-input:focus-visible {
  outline: 2px solid var(--brand-teal-dark);
  outline-offset: 1px;
  border-color: var(--brand-dark-teal);
}

.financial-ledger {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background-color: var(--brand-alpaca-cream);
  border: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.925rem;
  color: var(--brand-ink);
}

.ledger-total {
  margin-top: 0.35rem;
  padding-top: 0.6rem;
  border-top: 1.5px solid var(--brand-dark-teal);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-dark-teal);
}

.delivery-mode-fieldset {
  margin: 0 0 1.1rem;
  padding: 0;
  border: none;
}

.promo-row {
  margin-top: 1rem;
}

.promo-controls {
  display: flex;
  gap: 0.5rem;
}

.promo-controls .text-input {
  flex: 1;
  text-transform: uppercase;
}

.secondary-btn {
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--brand-dark-teal);
  background-color: var(--brand-alpaca-cream);
  border: 1.5px solid var(--brand-dark-teal);
  cursor: pointer;
}

.secondary-btn:hover {
  background-color: var(--brand-dark-teal);
  color: var(--surface-white);
}

.promo-status-msg {
  font-size: 0.8rem;
  font-weight: 600;
}

.promo-status-msg.is-valid {
  color: var(--success-ink);
}

.promo-status-msg.is-invalid {
  color: var(--danger-ink);
}

.ledger-discount {
  color: var(--success-ink);
  font-weight: 600;
}

/* Payment Method Radio Controls */
.payment-mode-fieldset {
  margin: 1.15rem 0 0;
  padding: 0;
  border: none;
}

.payment-mode-options {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .payment-mode-options {
    grid-template-columns: 1fr 1fr;
  }
}

.mode-radio-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--border-strong);
  background-color: var(--surface-white);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
}

.mode-radio-label:has(input:checked) {
  border-color: var(--brand-dark-teal);
  background-color: var(--brand-alpaca-cream-deep);
}

/* Progressive enhancement fallback when accent-color is unsupported */
@supports not (accent-color: var(--brand-teal-dark)) {
  form input[type='radio'].visually-hidden {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
  }

  .mode-radio-label {
    position: relative;
    padding-left: 2.1rem;
  }

  .mode-radio-label input[type='radio'] + span::before {
    content: '';
    position: absolute;
    left: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--brand-dark-teal);
    border-radius: 50%;
    background: var(--surface-white);
  }

  .mode-radio-label input[type='radio']:checked + span::before {
    background-color: var(--brand-teal-dark);
    box-shadow: inset 0 0 0 3px var(--surface-white);
  }

  progress {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border: 1px solid var(--border-strong);
    background: var(--brand-alpaca-cream-deep);
    height: 10px;
  }

  progress::-webkit-progress-bar {
    background-color: var(--brand-alpaca-cream-deep);
  }

  progress::-webkit-progress-value {
    background-color: var(--brand-teal-dark);
  }

  progress::-moz-progress-bar {
    background-color: var(--brand-teal-dark);
  }
}

.square-card-wrapper {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-strong);
  background-color: var(--brand-alpaca-cream);
}

.sdk-status-note {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  color: var(--brand-secondary-ink);
}

.checkout-feedback {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 1.5px solid var(--brand-dark-teal);
  font-size: 0.9rem;
}

.checkout-feedback.is-error {
  border-color: var(--danger-ink);
  background-color: var(--danger-bg);
  color: var(--danger-ink);
}

.checkout-feedback.is-success {
  border-color: var(--success-ink);
  background-color: var(--success-bg);
  color: var(--success-ink);
}

.checkout-feedback a {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
}

.checkout-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.primary-checkout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 1.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--surface-white);
  background-color: var(--brand-dark-teal);
  border: 2px solid var(--brand-dark-teal);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.primary-checkout-btn:hover:not(:disabled) {
  background-color: var(--brand-ink);
}

.primary-checkout-btn:focus-visible {
  outline: 3px solid var(--brand-teal);
  outline-offset: 2px;
}

.primary-checkout-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.cash-checkout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.35rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-dark-teal);
  background-color: var(--brand-alpaca-cream);
  border: 2px solid var(--brand-teal-dark);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.cash-checkout-btn:hover:not(:disabled) {
  background-color: var(--brand-teal-dark);
  color: var(--surface-white);
}

.cash-checkout-btn:focus-visible {
  outline: 3px solid var(--brand-dark-teal);
  outline-offset: 2px;
}

.cash-checkout-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-strong);
  background-color: var(--surface-white);
  padding: 1.5rem;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--brand-secondary-ink);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-brand a {
  color: var(--brand-dark-teal);
  font-weight: 600;
}

.footer-copy {
  margin: 0;
}