.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 40;
}

.cart-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(400px, 100%);
    background-color: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 50;
}

.cart-drawer.open {
    transform: translateX(0);
}

.cart-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.cart-drawer-header h2 {
    font-size: 1.15rem;
}

.cart-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.cart-close:hover {
    background-color: var(--surface-2);
    color: var(--text);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    padding: 3rem 1rem;
    text-align: center;
}

.cart-empty i {
    font-size: 2rem;
    color: var(--text-faint);
}

.cart-item {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.cart-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.cart-item-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
}

.cart-item-sku {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-faint);
    text-transform: uppercase;
}

.cart-item-price {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background-color: var(--surface-2);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
}

.qty-btn:hover {
    border-color: var(--border-hover);
}

.qty-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    min-width: 16px;
    text-align: center;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-faint);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.2rem;
}

.cart-item-remove:hover {
    color: var(--danger);
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cart-subtotal-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 1rem;
}

.cart-subtotal-row span:last-child {
    font-weight: 600;
}

.btn-checkout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    background-color: var(--accent);
    color: #ffffff;
    border: none;
    padding: 0.85rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.btn-checkout:hover {
    background-color: #6d4bff;
}

.btn-checkout:disabled {
    background-color: var(--surface-2);
    color: var(--text-faint);
    cursor: not-allowed;
}