/* ==========================================================
   CDS Journey — Public Cart (Phase 20B)
   Namespace: .rd-cart-*
   Tokens: Tactical Navy / Olive Drab / Valor Gold — no lavender.
   ========================================================== */

.rd-cart {
    --rd-cart-navy: #1A2B4C;
    --rd-cart-olive: #4B5320;
    --rd-cart-gold: #D4AF37;
    --rd-cart-gold-hover: #C49F28; /* match --rd-action-primary-hover-bg */
    --rd-cart-ink: #1D1D1F;
    --rd-cart-muted: #6C757D;
    --rd-cart-border: #E9ECEF;
    --rd-cart-surface: #FFFFFF;
    --rd-cart-bg: #F8F9FB;
    --rd-cart-radius: 10px;
    background: var(--rd-cart-bg);
    color: var(--rd-cart-ink);
}

.rd-cart--has-items {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
}

@media (min-width: 768px) {
    .rd-cart--has-items {
        padding-bottom: 0;
    }
}

/* —— Hero (compact) —— */
.rd-cart__hero {
    position: relative;
    overflow: hidden;
    background: var(--rd-cart-surface);
    border-bottom: 1px solid var(--rd-cart-border);
}

.rd-cart__hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.rd-cart__hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    opacity: 0.5;
}

.rd-cart__hero-scrim {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(105deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 42%, rgba(248, 249, 251, 0.55) 72%, rgba(248, 249, 251, 0.28) 100%),
        linear-gradient(180deg, rgba(26, 43, 76, 0.04) 0%, transparent 50%);
}

.rd-cart__hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 1.5rem;
    align-items: end;
    padding: 1.75rem 0 1.85rem;
    min-height: 10.5rem;
}

.rd-cart__breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    margin: 0 0 0.85rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.8125rem;
    color: var(--rd-cart-muted);
}

.rd-cart__breadcrumb a {
    color: var(--rd-cart-navy);
    text-decoration: none;
    font-weight: 500;
}

.rd-cart__breadcrumb a:hover,
.rd-cart__breadcrumb a:focus-visible {
    text-decoration: underline;
    outline: 2px solid var(--rd-cart-navy);
    outline-offset: 2px;
}

.rd-cart__breadcrumb-sep {
    color: #ADB5BD;
}

.rd-cart__title {
    margin: 0 0 0.55rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(1.85rem, 3.2vw, 2.55rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.12;
    color: var(--rd-cart-navy);
}

.rd-cart__lead {
    margin: 0;
    max-width: 34rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1rem;
    line-height: 1.55;
    color: var(--rd-cart-muted);
}

.rd-cart__hero-quote {
    margin: 0 0 0.25rem;
    justify-self: end;
    text-align: right;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(1.05rem, 1.8vw, 1.35rem);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 0.01em;
    color: var(--rd-cart-navy);
    opacity: 0.72;
    max-width: 12rem;
}

/* —— Body —— */
.rd-cart__body {
    padding: 1.75rem 0 3.5rem;
}

.rd-cart__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.85fr) minmax(17rem, 1fr);
    gap: 1.5rem 1.75rem;
    align-items: start;
}

/* —— Items surface —— */
.rd-cart__items {
    background: var(--rd-cart-surface);
    border: 1px solid var(--rd-cart-border);
    border-radius: var(--rd-cart-radius);
    padding: 1.15rem 1.2rem 0.35rem;
    box-shadow: 0 1px 2px rgba(29, 29, 31, 0.03);
}

.rd-cart__items-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.35rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--rd-cart-border);
}

.rd-cart__items-heading {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--rd-cart-ink);
}

.rd-cart__clear {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 0;
    background: transparent;
    padding: 0.25rem 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rd-cart-muted);
    cursor: pointer;
}

.rd-cart__clear:hover,
.rd-cart__clear:focus-visible {
    color: var(--rd-cart-navy);
    outline: 2px solid var(--rd-cart-navy);
    outline-offset: 3px;
}

.rd-cart__clear:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.rd-cart__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rd-cart__row + .rd-cart__row {
    border-top: 1px solid var(--rd-cart-border);
}

.rd-cart__item {
    display: grid;
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 1rem 1.15rem;
    padding: 1.15rem 0;
}

.rd-cart__item-media {
    position: relative;
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 8px;
    overflow: hidden;
    background:
        linear-gradient(145deg, #1A2B4C 0%, #2a3f66 45%, #4B5320 100%);
    flex-shrink: 0;
}

.rd-cart__item-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.rd-cart__item-fallback {
    display: none;
    position: absolute;
    inset: 0;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0.55rem;
    color: #FFFFFF;
}

.rd-cart__item-media--fallback .rd-cart__item-fallback,
.rd-cart__item-media:not(:has(img)) .rd-cart__item-fallback {
    display: flex;
}

.rd-cart__item-fallback-brand {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.55rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.75;
}

.rd-cart__item-fallback-exam {
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0.15rem;
}

.rd-cart__item-body {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "meta price"
        "actions actions";
    gap: 0.45rem 1rem;
    align-items: start;
}

.rd-cart__item-meta {
    grid-area: meta;
    min-width: 0;
}

.rd-cart__item-exam {
    margin: 0 0 0.3rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--rd-cart-olive);
    text-transform: uppercase;
}

.rd-cart__item-sep {
    margin: 0 0.25rem;
    color: #ADB5BD;
    font-weight: 400;
}

.rd-cart__item-name {
    margin: 0 0 0.35rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--rd-cart-ink);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.rd-cart__item-facts {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.8125rem;
    color: var(--rd-cart-muted);
    line-height: 1.4;
}

.rd-cart__item-dot {
    margin: 0 0.3rem;
}

.rd-cart__item-price {
    grid-area: price;
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--rd-cart-navy);
    font-variant-numeric: tabular-nums;
    text-align: right;
    white-space: nowrap;
}

.rd-cart__item-actions {
    grid-area: actions;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1rem;
    margin-top: 0.25rem;
}

.rd-cart__view-batch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    padding: 0.4rem 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--rd-cart-navy);
    background: var(--rd-cart-surface);
    color: var(--rd-cart-navy);
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.rd-cart__view-batch:hover {
    background: var(--rd-cart-navy);
    color: #FFFFFF;
    border-color: var(--rd-cart-navy);
    outline: none;
}

.rd-cart__view-batch:focus-visible {
    outline: 2px solid var(--rd-cart-gold);
    outline-offset: 2px;
}

.rd-cart__remove {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    border: 0;
    background: transparent;
    padding: 0.35rem 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #6C757D;
    cursor: pointer;
}

.rd-cart__remove:hover,
.rd-cart__remove:focus-visible {
    color: #A73B2E;
    outline: 2px solid var(--rd-cart-navy);
    outline-offset: 2px;
}

/* —— Order summary —— */
.rd-cart__aside {
    position: sticky;
    top: 5.5rem;
}

.rd-cart__summary {
    background: var(--rd-cart-surface);
    border: 1px solid var(--rd-cart-border);
    border-radius: var(--rd-cart-radius);
    padding: 1.35rem 1.25rem 1.25rem;
    box-shadow: 0 6px 20px rgba(26, 43, 76, 0.05);
}

.rd-cart__summary-title {
    margin: 0 0 1.15rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--rd-cart-navy);
}

.rd-cart__summary-rows {
    margin: 0 0 1.15rem;
}

.rd-cart__summary-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin: 0 0 0.7rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.95rem;
    color: var(--rd-cart-muted);
}

.rd-cart__summary-row dt,
.rd-cart__summary-row dd {
    margin: 0;
}

.rd-cart__summary-row dd {
    color: var(--rd-cart-ink);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.rd-cart__summary-row--total {
    margin-top: 0.85rem;
    margin-bottom: 0;
    padding-top: 0.95rem;
    border-top: 1px solid var(--rd-cart-border);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--rd-cart-navy);
}

.rd-cart__summary-row--total dt,
.rd-cart__summary-row--total dd {
    color: var(--rd-cart-navy);
    font-weight: 700;
}

.rd-cart__summary-actions {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.rd-cart__summary-actions form {
    margin: 0;
    width: 100%;
}

/* Primary CTAs — match global .rd-cta--primary hover */
.rd-cart__checkout,
.rd-cart__sticky-checkout,
.rd-cart__empty-cta {
    width: 100%;
    min-height: 3rem;
    padding: 0.7rem 1rem;
    border: none;
    border-radius: 8px;
    background: var(--rd-cart-gold);
    color: var(--rd-cart-ink);
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-decoration: none;
    box-shadow: none;
    transition:
        background 180ms ease,
        color 180ms ease,
        transform 180ms ease,
        box-shadow 180ms ease;
}

.rd-cart__checkout:hover,
.rd-cart__sticky-checkout:hover,
.rd-cart__empty-cta:hover {
    background: var(--rd-cart-gold-hover);
    color: var(--rd-cart-ink);
    border: none;
    outline: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(29, 29, 31, 0.1);
}

.rd-cart__checkout:hover > [aria-hidden="true"],
.rd-cart__sticky-checkout:hover > [aria-hidden="true"],
.rd-cart__empty-cta:hover > [aria-hidden="true"] {
    transform: translateX(3px);
}

.rd-cart__checkout > [aria-hidden="true"],
.rd-cart__sticky-checkout > [aria-hidden="true"],
.rd-cart__empty-cta > [aria-hidden="true"] {
    display: inline-block;
    transition: transform 180ms ease;
}

.rd-cart__checkout:active,
.rd-cart__sticky-checkout:active,
.rd-cart__empty-cta:active {
    background: #B08D1F;
    color: var(--rd-cart-ink);
    transform: translateY(0);
    box-shadow: none;
}

.rd-cart__checkout:focus-visible,
.rd-cart__sticky-checkout:focus-visible,
.rd-cart__empty-cta:focus-visible {
    outline: 2px solid var(--rd-cart-gold);
    outline-offset: 2px;
}

/* Secondary CTAs — match global .rd-cta--secondary hover */
.rd-cart__explore,
.rd-cart__help-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 3rem;
    padding: 0.65rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--rd-cart-navy);
    background: var(--rd-cart-surface);
    color: var(--rd-cart-navy);
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.rd-cart__explore:hover,
.rd-cart__help-cta:hover {
    background: var(--rd-cart-navy);
    color: #FFFFFF;
    border-color: var(--rd-cart-navy);
    outline: none;
}

.rd-cart__explore:active,
.rd-cart__help-cta:active {
    background: #142038;
    border-color: #142038;
    color: #FFFFFF;
}

.rd-cart__explore:focus-visible,
.rd-cart__help-cta:focus-visible {
    outline: 2px solid var(--rd-cart-gold);
    outline-offset: 2px;
}

.rd-cart__trust {
    list-style: none;
    margin: 1.15rem 0 0;
    padding: 1rem 0 0;
    border-top: 1px solid var(--rd-cart-border);
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.rd-cart__trust-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.78rem;
    color: var(--rd-cart-muted);
}

.rd-cart__trust-icon {
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #F8F9FB;
    color: var(--rd-cart-navy);
    border: 1px solid var(--rd-cart-border);
}

/* —— Sticky mobile CTA —— */
.rd-cart__sticky {
    display: none;
}

@media (max-width: 767.98px) {
    .rd-cart__checkout {
        /* Avoid duplicate primary CTA — sticky bar owns payment on mobile */
        display: none;
    }

    .rd-cart__sticky {
        display: block;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 40;
        background: rgba(255, 255, 255, 0.96);
        border-top: 1px solid var(--rd-cart-border);
        box-shadow: 0 -6px 20px rgba(26, 43, 76, 0.08);
        padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0px));
    }

    .rd-cart__sticky-inner {
        display: flex;
        align-items: center;
        gap: 0.85rem;
        max-width: 1120px;
        margin: 0 auto;
    }

    .rd-cart__sticky-total {
        margin: 0;
        flex: 0 1 auto;
        min-width: 0;
    }

    .rd-cart__sticky-label {
        display: block;
        font-family: "Inter", system-ui, sans-serif;
        font-size: 0.7rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--rd-cart-muted);
    }

    .rd-cart__sticky-amount {
        display: block;
        font-family: "Inter", system-ui, sans-serif;
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--rd-cart-navy);
        font-variant-numeric: tabular-nums;
    }

    .rd-cart__sticky-checkout {
        flex: 1 1 auto;
        width: auto;
        min-width: 0;
        min-height: 2.85rem;
        font-size: 0.92rem;
        padding: 0.55rem 0.85rem;
    }
}

/* —— Empty —— */
.rd-cart__empty {
    max-width: 36rem;
    margin: 0 auto 2rem;
    padding: 2.25rem 1.5rem;
    text-align: center;
    background: var(--rd-cart-surface);
    border: 1px solid var(--rd-cart-border);
    border-radius: var(--rd-cart-radius);
}

.rd-cart__empty-title {
    margin: 0 0 0.65rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(1.45rem, 2.4vw, 1.85rem);
    font-weight: 700;
    color: var(--rd-cart-navy);
}

.rd-cart__empty-copy {
    margin: 0 0 1.35rem;
    font-family: "Inter", system-ui, sans-serif;
    color: var(--rd-cart-muted);
    line-height: 1.55;
}

.rd-cart__empty-cta {
    width: auto;
    min-width: 14rem;
    margin: 0 auto;
}

/* —— Help surface —— */
.rd-cart__help {
    margin-top: 1.75rem;
}

.rd-cart__help-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.15rem 1.5rem;
    padding: 1.25rem 1.35rem;
    background: #EEF1F5;
    border: 1px solid var(--rd-cart-border);
    border-radius: var(--rd-cart-radius);
}

.rd-cart__help-copy {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    min-width: 0;
    flex: 1 1 16rem;
}

.rd-cart__help-icon {
    flex-shrink: 0;
    color: var(--rd-cart-olive);
    margin-top: 0.1rem;
}

.rd-cart__help-title {
    margin: 0 0 0.3rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--rd-cart-navy);
}

.rd-cart__help-text {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--rd-cart-muted);
}

.rd-cart__help-cta {
    width: auto;
    min-width: 12.5rem;
    flex: 0 0 auto;
}

/* —— Responsive —— */
@media (max-width: 1199.98px) {
    .rd-cart__layout {
        grid-template-columns: minmax(0, 1.55fr) minmax(15rem, 1fr);
        gap: 1.25rem;
    }
}

@media (max-width: 767.98px) {
    .rd-cart__hero-inner {
        grid-template-columns: 1fr;
        min-height: 0;
        padding: 1.35rem 0 1.4rem;
    }

    .rd-cart__hero-img {
        opacity: 0.38;
        object-position: center 35%;
    }

    .rd-cart__hero-quote {
        justify-self: start;
        text-align: left;
        max-width: none;
        font-size: 1rem;
        opacity: 0.65;
    }

    .rd-cart__layout {
        grid-template-columns: 1fr;
    }

    .rd-cart__aside {
        position: static;
    }

    .rd-cart__items {
        padding: 1rem 0.95rem 0.2rem;
    }

    .rd-cart__item {
        grid-template-columns: 4.5rem minmax(0, 1fr);
        gap: 0.85rem;
    }

    .rd-cart__item-media {
        width: 4.5rem;
        height: 4.5rem;
    }

    .rd-cart__item-body {
        grid-template-columns: 1fr;
        grid-template-areas:
            "meta"
            "price"
            "actions";
    }

    .rd-cart__item-price {
        text-align: left;
    }

    .rd-cart__help-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .rd-cart__help-cta {
        width: 100%;
    }
}

@media (max-width: 414px) {
    .rd-cart__items-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .rd-cart__sticky-checkout {
        font-size: 0.85rem;
    }
}

/* Prefer modern :has; older Safari still gets --fallback class from onerror / SSR */
@supports not selector(:has(*)) {
    .rd-cart__item-media .rd-cart__item-fallback {
        display: none;
    }
    .rd-cart__item-media--fallback .rd-cart__item-fallback {
        display: flex;
    }
}