/* Checkout page (light surface): details form, UPI QR payment step, confirmation and the
   order summary. Reuses .field / .btn / .qty from the rest of the site. Tokens only. */
@layer components {
  .checkout {
    background-color: var(--cream-100);
    padding-block: var(--section-pad);
    min-height: 70vh;
  }

  .checkout [data-co-title]:focus {
    outline: none;
  }

  /* ---- Progress ------------------------------------------------------- */
  .checkout__steps {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin: var(--space-5) 0 0;
    padding: 0;
    list-style: none;
    color: var(--ca-muted);
    letter-spacing: var(--ls-micro);
    text-transform: uppercase;

    & li {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      white-space: nowrap;
    }

    & li::before {
      content: "";
      width: 10px;
      height: 10px;
      border: 1px solid var(--sand-300);
      border-radius: 50%;
    }

    & li.is-done {
      color: var(--ca-body);

      &::before {
        background-color: var(--gold-500);
        border-color: var(--gold-500);
      }
    }

    & li.is-current {
      color: var(--ca-heading);
      font-weight: 700;

      &::before {
        background-color: var(--gold-500);
        border-color: var(--gold-600);
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold-400) 35%, transparent);
      }
    }
  }

  /* ---- Layout --------------------------------------------------------- */
  .checkout__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--space-7);
    align-items: start;
    margin-top: var(--space-7);

    &:has([data-co-summary][hidden]) {
      grid-template-columns: minmax(0, 640px);
      justify-content: center;
    }
  }

  .checkout__main,
  .checkout__summary {
    padding: var(--space-6);
    border: 1px solid var(--sand-300);
    background-color: var(--cream-50);
  }

  .checkout__summary {
    position: sticky;
    top: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);

    &[hidden] {
      display: none;
    }
  }

  .checkout :where(h2) {
    margin: 0;
    color: var(--ca-heading);
  }

  .checkout [data-focus]:focus {
    outline: none;
  }

  /* ---- Form (light-surface field colours, same parts as .page-form) --------- */
  .co-form,
  .co-pay,
  .co-done {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
  }

  .co-fieldset {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    border: none;
    min-inline-size: 0;

    & legend {
      margin-bottom: var(--space-3);
      padding: 0;
      color: var(--gold-600);
    }
  }

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

  .checkout .field__label,
  .checkout .field__hint {
    color: var(--ca-muted);
  }

  .field__hint {
    margin: 0;
  }

  .checkout .field__input {
    border-color: var(--sand-300);
    background-color: var(--cream-100);
    color: var(--text-on-light);

    &::placeholder {
      color: var(--text-on-light-muted);
      opacity: 0.7;
    }

    &:focus-visible {
      outline-offset: 0;
      border-color: var(--gold-600);
    }

    &[aria-invalid="true"] {
      border-color: var(--cocoa-600);
    }
  }

  .checkout .field__error {
    color: var(--cocoa-600);
  }

  .co-form__banner {
    margin: 0;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--cocoa-600);
    color: var(--cocoa-700);

    &[hidden] {
      display: none;
    }
  }

  .co-form__cta {
    align-self: stretch;
    min-height: 52px;
  }

  .co-link {
    align-self: flex-start;
    padding: 0;
    border: none;
    background: none;
    color: var(--gold-600);
    text-decoration: underline;
    cursor: pointer;

    &:hover {
      color: var(--cocoa-700);
    }
  }

  /* ---- Payment ---------------------------------------------------------- */
  .co-pay__grid {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-6);
    align-items: center;
  }

  .co-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    margin: 0;
    padding: var(--space-4);
    border: 1px solid var(--sand-300);
    background-color: var(--cream-100);
    text-align: center;

    & figcaption {
      display: flex;
      flex-direction: column;
      gap: var(--space-1);
      color: var(--ca-body);
    }
  }

  .co-qr__img {
    width: 220px;
    max-width: 100%;
    height: auto;
    background-color: var(--cream-50);
  }

  .co-qr__amount {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--fs-lead);
    color: var(--ca-heading);
  }

  .co-pay__steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: 0;
    padding-left: var(--space-5);
    list-style: decimal;
    color: var(--ca-body);
  }

  .co-pay__to {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    padding-block: var(--space-4);
    border-block: 1px solid var(--sand-300);

    & p {
      margin: 0;
      color: var(--ca-body);
    }
  }

  .co-pay__fine {
    margin: 0;
    color: var(--ca-muted);
    text-align: center;
  }

  /* ---- Confirmation ------------------------------------------------------ */
  .co-done {
    align-items: center;
    text-align: center;

    & .icon {
      color: var(--gold-600);
    }

    & p {
      max-width: 52ch;
      margin: 0;
      color: var(--ca-body);
    }
  }

  .co-done__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);

    & .btn {
      min-height: 47px;
      padding-inline: 28px;
      font-size: var(--fs-button-lg);
    }
  }

  /* Cart empty / blocked states */
  .co-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-block: var(--space-6);
    text-align: center;
    color: var(--ca-body);

    & p {
      margin: 0;
    }
  }

  /* ---- Order summary ------------------------------------------------------ */
  .co-lines {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .co-line {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) auto;
    gap: var(--space-4);
    align-items: center;

    & img {
      display: block;
      width: 64px;
      height: 64px;
      object-fit: cover;
      border: 1px solid var(--sand-300);
    }
  }

  .co-line__name {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--fs-card-title);
    line-height: 1.15;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--ca-heading);

    & small {
      font-family: var(--font-body);
      font-weight: 400;
      letter-spacing: 0;
      text-transform: none;
      color: var(--ca-muted);
    }
  }

  .co-line__total {
    color: var(--ca-heading);
    font-weight: 700;
  }

  .co-totals {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: 0;
    padding-top: var(--space-4);
    border-top: 1px solid var(--sand-300);
    color: var(--ca-body);

    & > div {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: var(--space-4);
    }

    & dt,
    & dd {
      margin: 0;
    }

    & dd.type-caption {
      text-align: right;
      color: var(--ca-muted);
    }
  }

  .co-totals__grand {
    padding-top: var(--space-3);
    border-top: 1px solid var(--sand-300);
    color: var(--ca-heading);

    & dt {
      font-weight: 700;
    }

    & dd {
      font-family: var(--font-display);
      font-weight: 600;
      font-size: var(--fs-lead);
    }
  }

  /* ---- Responsive --------------------------------------------------------- */
  @media (max-width: 960px) {
    .checkout__layout {
      grid-template-columns: minmax(0, 1fr);
      gap: var(--space-5);
    }

    /* Summary reads first on small screens, like most shops. */
    .checkout__summary {
      position: static;
      order: -1;
    }
  }

  @media (max-width: 560px) {
    .checkout__main,
    .checkout__summary {
      padding: var(--space-5) var(--space-4);
    }

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

    .co-row,
    .co-pay__grid {
      grid-template-columns: minmax(0, 1fr);
    }

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