/* ═══════════════════════════════════════════════
   SHARED TOKENS
═══════════════════════════════════════════════ */
:root {
    --sl-accent: #2563eb;
    --sl-accent2: #0ea5e9;
    --sl-green: #10b981;
    --sl-yellow: #f59e0b;
    --sl-red: #ef4444;
    --sl-purple: #8b5cf6;
    --sl-bg: var(--bg1, #0d1117);
    --sl-bg2: var(--bg2, #161b22);
    --sl-bg3: var(--bg3, #1c2333);
    --sl-line: var(--line, rgba(255,255,255,.08));
    --sl-line2: var(--line2, rgba(255,255,255,.13));
    --sl-t1: var(--t1, #f0f6fc);
    --sl-t2: var(--t2, #c9d1d9);
    --sl-t3: var(--t3, #8b949e);
    --sl-r: 10px;
    --sl-r-sm: 7px;
    --sl-r-lg: 14px;
    --sl-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --sl-shadow: 0 4px 24px rgba(0,0,0,.35);
    --sl-shadow-sm: 0 2px 10px rgba(0,0,0,.25);
}

/* ── Page ── */
.cart-page {
    max-width: 1060px;
    margin: 0 auto;
    padding: 28px 20px 80px;
}

/* ── Header ── */
.cart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.cart-header-title {
    font-size: 21px;
    font-weight: 700;
    color: var(--sl-t1);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

    .cart-header-title i {
        color: var(--sl-accent2);
    }

.cart-count-badge {
    font-size: 11px;
    font-weight: 700;
    background: rgba(37,99,235,.18);
    color: var(--sl-accent2);
    border: 1px solid rgba(37,99,235,.28);
    padding: 2px 9px;
    border-radius: 20px;
    font-family: var(--sl-mono);
}

.cart-header-sub {
    font-size: 13px;
    color: var(--sl-t3);
}

/* ── Layout ── */
.cart-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
    align-items: start;
}

/* ── Item cards ── */
.cart-item {
    background: var(--sl-bg2);
    border: 1px solid var(--sl-line);
    border-radius: var(--sl-r);
    padding: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--sl-shadow-sm);
    transition: border-color .18s, opacity .3s;
}

    .cart-item:last-child {
        margin-bottom: 0;
    }

    .cart-item:hover {
        border-color: var(--sl-line2);
    }

/* Thumbnail */
.cart-thumb {
    width: 76px;
    height: 56px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--sl-bg3);
    flex-shrink: 0;
    border: 1px solid var(--sl-line);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: opacity .15s;
}

    .cart-thumb:hover {
        opacity: .85;
    }

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

.cart-thumb-placeholder {
    color: var(--sl-t3);
    font-size: 22px;
}

/* Item info */
.cart-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--sl-t1);
    text-decoration: none;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color .15s;
    margin-bottom: 5px;
}

    .cart-item-name:hover {
        color: var(--sl-accent2);
    }

.cart-item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.cart-meta-seller {
    font-size: 11.5px;
    color: var(--sl-t3);
    display: flex;
    align-items: center;
    gap: 4px;
}

.cart-tech-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.cart-tech-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    background: rgba(37,99,235,.1);
    border: 1px solid rgba(37,99,235,.18);
    border-radius: 4px;
    color: var(--sl-accent2);
}

/* Price + remove */
.cart-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

.cart-item-price {
    font-size: 16px;
    font-weight: 700;
    font-family: var(--sl-mono);
    color: var(--sl-accent2);
    white-space: nowrap;
}

.cart-remove-btn {
    background: rgba(239,68,68,.1);
    border: 1px solid rgba(239,68,68,.22);
    border-radius: var(--sl-r-sm);
    color: var(--sl-red);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
    cursor: pointer;
    transition: all .15s;
    display: flex;
    align-items: center;
    gap: 5px;
}

    .cart-remove-btn:hover {
        background: rgba(239,68,68,.22);
        border-color: rgba(239,68,68,.4);
    }

/* ── Sidebar: Summary card ── */
.summary-card {
    background: var(--sl-bg2);
    border: 1px solid var(--sl-line);
    border-radius: var(--sl-r);
    overflow: hidden;
    box-shadow: var(--sl-shadow-sm);
    position: sticky;
    top: calc(var(--navbar-height, 64px) + 16px);
}

.summary-hd {
    padding: 13px 18px;
    border-bottom: 1px solid var(--sl-line);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--sl-bg3);
}

.summary-hd-ico {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: rgba(37,99,235,.15);
    color: var(--sl-accent2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.summary-hd-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--sl-t1);
}

.summary-bd {
    padding: 16px;
}

/* Line items */
.summary-lines {
    margin-bottom: 14px;
}

.summary-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid var(--sl-line);
    gap: 10px;
    font-size: 12.5px;
}

    .summary-line:last-child {
        border-bottom: none;
    }

.summary-line-name {
    color: var(--sl-t3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.summary-line-price {
    font-family: var(--sl-mono);
    font-weight: 600;
    color: var(--sl-t2);
    flex-shrink: 0;
}

/* Total row */
.summary-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 0 12px;
    border-top: 2px solid var(--sl-line2);
    margin-top: 4px;
}

.summary-total-lbl {
    font-size: 15px;
    font-weight: 700;
    color: var(--sl-t1);
}

.summary-total-val {
    font-size: 20px;
    font-weight: 700;
    font-family: var(--sl-mono);
    color: var(--sl-accent2);
}

/* Balance check box */
.balance-box {
    background: var(--sl-bg3);
    border: 1px solid var(--sl-line);
    border-radius: var(--sl-r-sm);
    padding: 12px 14px;
    margin-bottom: 14px;
}

.balance-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12.5px;
}

.balance-lbl {
    color: var(--sl-t3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.balance-val-ok {
    font-family: var(--sl-mono);
    font-weight: 700;
    color: var(--sl-green);
}

.balance-val-err {
    font-family: var(--sl-mono);
    font-weight: 700;
    color: var(--sl-red);
}

.balance-warn {
    margin-top: 10px;
    padding: 8px 10px;
    background: rgba(239,68,68,.07);
    border: 1px solid rgba(239,68,68,.18);
    border-radius: var(--sl-r-sm);
    font-size: 12px;
    color: var(--sl-red);
    display: flex;
    align-items: flex-start;
    gap: 7px;
    line-height: 1.5;
}

    .balance-warn i {
        flex-shrink: 0;
        margin-top: 1px;
    }

/* Checkout button */
.checkout-btn {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--sl-r-sm);
    border: none;
    background: linear-gradient(135deg, var(--sl-accent), #1d4ed8);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity .18s, transform .15s;
    box-shadow: 0 4px 14px rgba(37,99,235,.35);
    margin-bottom: 8px;
    font-family: inherit;
}

    .checkout-btn:hover:not(:disabled) {
        opacity: .92;
        transform: translateY(-1px);
    }

    .checkout-btn:disabled {
        background: var(--sl-bg3);
        color: var(--sl-t3);
        box-shadow: none;
        cursor: not-allowed;
        transform: none;
    }

.continue-btn {
    width: 100%;
    padding: 9px 16px;
    border-radius: var(--sl-r-sm);
    border: 1px solid var(--sl-line2);
    background: transparent;
    color: var(--sl-t2);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    transition: background .15s, border-color .15s;
    text-decoration: none;
    font-family: inherit;
}

    .continue-btn:hover {
        background: var(--sl-bg3);
        border-color: var(--sl-line2);
        color: var(--sl-t1);
    }

/* Trust badges */
.trust-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 12px 0 4px;
    border-top: 1px solid var(--sl-line);
    margin-top: 10px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10.5px;
    color: var(--sl-t3);
}

    .trust-item i {
        font-size: 11px;
    }

/* ── Empty state ── */
.cart-empty {
    text-align: center;
    padding: 80px 20px;
    background: var(--sl-bg2);
    border: 1px solid var(--sl-line);
    border-radius: var(--sl-r-lg);
    box-shadow: var(--sl-shadow-sm);
}

    .cart-empty i {
        font-size: 52px;
        opacity: .15;
        display: block;
        margin-bottom: 18px;
        color: var(--sl-t3);
    }

    .cart-empty p {
        font-size: 16px;
        color: var(--sl-t3);
        margin-bottom: 22px;
    }

/* ── Removing animation ── */
.cart-item.removing {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity .3s, transform .3s;
}

/* ── Responsive ── */
@media (max-width: 860px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }

    .summary-card {
        position: static; /* Remove sticky on tablet */
    }
}

@media (max-width: 600px) {
    .cart-page {
        padding: 14px 12px 70px;
    }

    .cart-header-title {
        font-size: 17px;
    }

    .cart-item {
        padding: 12px;
        gap: 10px;
    }

    .cart-thumb {
        width: 58px;
        height: 44px;
        border-radius: 7px;
    }

    .cart-item-name {
        font-size: 13px;
    }

    .cart-meta-seller {
        font-size: 11px;
    }

    .cart-tech-tags {
        display: none;
    }

    .cart-item-price {
        font-size: 14px;
    }

    .cart-remove-btn span {
        display: none;
    }

    .cart-remove-btn {
        padding: 6px 8px;
    }

    .summary-line-name {
        font-size: 11.5px;
    }

    .summary-total-val {
        font-size: 18px;
    }

    .trust-row {
        gap: 10px;
    }
}

@media (max-width: 400px) {
    .cart-thumb {
        display: none;
    }

    .cart-item {
        gap: 8px;
    }
}